1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.widget; 18 19 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH; 20 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX; 21 import static android.view.accessibility.AccessibilityNodeInfo.EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY; 22 import static android.view.inputmethod.CursorAnchorInfo.FLAG_HAS_VISIBLE_REGION; 23 24 import android.R; 25 import android.annotation.ColorInt; 26 import android.annotation.DrawableRes; 27 import android.annotation.FloatRange; 28 import android.annotation.IntDef; 29 import android.annotation.NonNull; 30 import android.annotation.Nullable; 31 import android.annotation.Size; 32 import android.annotation.StringRes; 33 import android.annotation.StyleRes; 34 import android.annotation.XmlRes; 35 import android.app.Activity; 36 import android.app.assist.AssistStructure; 37 import android.content.ClipData; 38 import android.content.ClipDescription; 39 import android.content.ClipboardManager; 40 import android.content.Context; 41 import android.content.Intent; 42 import android.content.UndoManager; 43 import android.content.res.ColorStateList; 44 import android.content.res.CompatibilityInfo; 45 import android.content.res.Configuration; 46 import android.content.res.Resources; 47 import android.content.res.TypedArray; 48 import android.content.res.XmlResourceParser; 49 import android.graphics.BaseCanvas; 50 import android.graphics.Canvas; 51 import android.graphics.Insets; 52 import android.graphics.Paint; 53 import android.graphics.Path; 54 import android.graphics.PorterDuff; 55 import android.graphics.Rect; 56 import android.graphics.RectF; 57 import android.graphics.Typeface; 58 import android.graphics.drawable.Drawable; 59 import android.graphics.fonts.FontVariationAxis; 60 import android.icu.text.DecimalFormatSymbols; 61 import android.os.AsyncTask; 62 import android.os.Build.VERSION_CODES; 63 import android.os.Bundle; 64 import android.os.LocaleList; 65 import android.os.Parcel; 66 import android.os.Parcelable; 67 import android.os.ParcelableParcel; 68 import android.os.SystemClock; 69 import android.provider.Settings; 70 import android.text.BoringLayout; 71 import android.text.DynamicLayout; 72 import android.text.Editable; 73 import android.text.GetChars; 74 import android.text.GraphicsOperations; 75 import android.text.InputFilter; 76 import android.text.InputType; 77 import android.text.Layout; 78 import android.text.ParcelableSpan; 79 import android.text.Selection; 80 import android.text.SpanWatcher; 81 import android.text.Spannable; 82 import android.text.SpannableStringBuilder; 83 import android.text.Spanned; 84 import android.text.SpannedString; 85 import android.text.StaticLayout; 86 import android.text.TextDirectionHeuristic; 87 import android.text.TextDirectionHeuristics; 88 import android.text.TextPaint; 89 import android.text.TextUtils; 90 import android.text.TextUtils.TruncateAt; 91 import android.text.TextWatcher; 92 import android.text.method.AllCapsTransformationMethod; 93 import android.text.method.ArrowKeyMovementMethod; 94 import android.text.method.DateKeyListener; 95 import android.text.method.DateTimeKeyListener; 96 import android.text.method.DialerKeyListener; 97 import android.text.method.DigitsKeyListener; 98 import android.text.method.KeyListener; 99 import android.text.method.LinkMovementMethod; 100 import android.text.method.MetaKeyKeyListener; 101 import android.text.method.MovementMethod; 102 import android.text.method.PasswordTransformationMethod; 103 import android.text.method.SingleLineTransformationMethod; 104 import android.text.method.TextKeyListener; 105 import android.text.method.TimeKeyListener; 106 import android.text.method.TransformationMethod; 107 import android.text.method.TransformationMethod2; 108 import android.text.method.WordIterator; 109 import android.text.style.CharacterStyle; 110 import android.text.style.ClickableSpan; 111 import android.text.style.ParagraphStyle; 112 import android.text.style.SpellCheckSpan; 113 import android.text.style.SuggestionSpan; 114 import android.text.style.URLSpan; 115 import android.text.style.UpdateAppearance; 116 import android.text.util.Linkify; 117 import android.util.AttributeSet; 118 import android.util.DisplayMetrics; 119 import android.util.IntArray; 120 import android.util.Log; 121 import android.util.TypedValue; 122 import android.view.AccessibilityIterators.TextSegmentIterator; 123 import android.view.ActionMode; 124 import android.view.Choreographer; 125 import android.view.ContextMenu; 126 import android.view.DragEvent; 127 import android.view.Gravity; 128 import android.view.HapticFeedbackConstants; 129 import android.view.InputDevice; 130 import android.view.KeyCharacterMap; 131 import android.view.KeyEvent; 132 import android.view.MotionEvent; 133 import android.view.PointerIcon; 134 import android.view.View; 135 import android.view.ViewConfiguration; 136 import android.view.ViewDebug; 137 import android.view.ViewGroup.LayoutParams; 138 import android.view.ViewHierarchyEncoder; 139 import android.view.ViewParent; 140 import android.view.ViewRootImpl; 141 import android.view.ViewStructure; 142 import android.view.ViewTreeObserver; 143 import android.view.accessibility.AccessibilityEvent; 144 import android.view.accessibility.AccessibilityManager; 145 import android.view.accessibility.AccessibilityNodeInfo; 146 import android.view.animation.AnimationUtils; 147 import android.view.autofill.AutofillManager; 148 import android.view.autofill.AutofillValue; 149 import android.view.inputmethod.BaseInputConnection; 150 import android.view.inputmethod.CompletionInfo; 151 import android.view.inputmethod.CorrectionInfo; 152 import android.view.inputmethod.CursorAnchorInfo; 153 import android.view.inputmethod.EditorInfo; 154 import android.view.inputmethod.ExtractedText; 155 import android.view.inputmethod.ExtractedTextRequest; 156 import android.view.inputmethod.InputConnection; 157 import android.view.inputmethod.InputMethodManager; 158 import android.view.textclassifier.TextClassificationManager; 159 import android.view.textclassifier.TextClassifier; 160 import android.view.textservice.SpellCheckerSubtype; 161 import android.view.textservice.TextServicesManager; 162 import android.widget.RemoteViews.RemoteView; 163 164 import com.android.internal.annotations.VisibleForTesting; 165 import com.android.internal.logging.MetricsLogger; 166 import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 167 import com.android.internal.util.FastMath; 168 import com.android.internal.widget.EditableInputConnection; 169 170 import libcore.util.EmptyArray; 171 172 import org.xmlpull.v1.XmlPullParserException; 173 174 import java.io.IOException; 175 import java.lang.annotation.Retention; 176 import java.lang.annotation.RetentionPolicy; 177 import java.lang.ref.WeakReference; 178 import java.util.ArrayList; 179 import java.util.Arrays; 180 import java.util.Locale; 181 182 /** 183 * A user interface element that displays text to the user. 184 * To provide user-editable text, see {@link EditText}. 185 * <p> 186 * The following code sample shows a typical use, with an XML layout 187 * and code to modify the contents of the text view: 188 * </p> 189 190 * <pre> 191 * <LinearLayout 192 xmlns:android="http://schemas.android.com/apk/res/android" 193 android:layout_width="match_parent" 194 android:layout_height="match_parent"> 195 * <TextView 196 * android:id="@+id/text_view_id" 197 * android:layout_height="wrap_content" 198 * android:layout_width="wrap_content" 199 * android:text="@string/hello" /> 200 * </LinearLayout> 201 * </pre> 202 * <p> 203 * This code sample demonstrates how to modify the contents of the text view 204 * defined in the previous XML layout: 205 * </p> 206 * <pre> 207 * public class MainActivity extends Activity { 208 * 209 * protected void onCreate(Bundle savedInstanceState) { 210 * super.onCreate(savedInstanceState); 211 * setContentView(R.layout.activity_main); 212 * final TextView helloTextView = (TextView) findViewById(R.id.text_view_id); 213 * helloTextView.setText(R.string.user_greeting); 214 * } 215 * } 216 * </pre> 217 * <p> 218 * To customize the appearance of TextView, see <a href="https://developer.android.com/guide/topics/ui/themes.html">Styles and Themes</a>. 219 * </p> 220 * <p> 221 * <b>XML attributes</b> 222 * <p> 223 * See {@link android.R.styleable#TextView TextView Attributes}, 224 * {@link android.R.styleable#View View Attributes} 225 * 226 * @attr ref android.R.styleable#TextView_text 227 * @attr ref android.R.styleable#TextView_bufferType 228 * @attr ref android.R.styleable#TextView_hint 229 * @attr ref android.R.styleable#TextView_textColor 230 * @attr ref android.R.styleable#TextView_textColorHighlight 231 * @attr ref android.R.styleable#TextView_textColorHint 232 * @attr ref android.R.styleable#TextView_textAppearance 233 * @attr ref android.R.styleable#TextView_textColorLink 234 * @attr ref android.R.styleable#TextView_textSize 235 * @attr ref android.R.styleable#TextView_textScaleX 236 * @attr ref android.R.styleable#TextView_fontFamily 237 * @attr ref android.R.styleable#TextView_typeface 238 * @attr ref android.R.styleable#TextView_textStyle 239 * @attr ref android.R.styleable#TextView_cursorVisible 240 * @attr ref android.R.styleable#TextView_maxLines 241 * @attr ref android.R.styleable#TextView_maxHeight 242 * @attr ref android.R.styleable#TextView_lines 243 * @attr ref android.R.styleable#TextView_height 244 * @attr ref android.R.styleable#TextView_minLines 245 * @attr ref android.R.styleable#TextView_minHeight 246 * @attr ref android.R.styleable#TextView_maxEms 247 * @attr ref android.R.styleable#TextView_maxWidth 248 * @attr ref android.R.styleable#TextView_ems 249 * @attr ref android.R.styleable#TextView_width 250 * @attr ref android.R.styleable#TextView_minEms 251 * @attr ref android.R.styleable#TextView_minWidth 252 * @attr ref android.R.styleable#TextView_gravity 253 * @attr ref android.R.styleable#TextView_scrollHorizontally 254 * @attr ref android.R.styleable#TextView_password 255 * @attr ref android.R.styleable#TextView_singleLine 256 * @attr ref android.R.styleable#TextView_selectAllOnFocus 257 * @attr ref android.R.styleable#TextView_includeFontPadding 258 * @attr ref android.R.styleable#TextView_maxLength 259 * @attr ref android.R.styleable#TextView_shadowColor 260 * @attr ref android.R.styleable#TextView_shadowDx 261 * @attr ref android.R.styleable#TextView_shadowDy 262 * @attr ref android.R.styleable#TextView_shadowRadius 263 * @attr ref android.R.styleable#TextView_autoLink 264 * @attr ref android.R.styleable#TextView_linksClickable 265 * @attr ref android.R.styleable#TextView_numeric 266 * @attr ref android.R.styleable#TextView_digits 267 * @attr ref android.R.styleable#TextView_phoneNumber 268 * @attr ref android.R.styleable#TextView_inputMethod 269 * @attr ref android.R.styleable#TextView_capitalize 270 * @attr ref android.R.styleable#TextView_autoText 271 * @attr ref android.R.styleable#TextView_editable 272 * @attr ref android.R.styleable#TextView_freezesText 273 * @attr ref android.R.styleable#TextView_ellipsize 274 * @attr ref android.R.styleable#TextView_drawableTop 275 * @attr ref android.R.styleable#TextView_drawableBottom 276 * @attr ref android.R.styleable#TextView_drawableRight 277 * @attr ref android.R.styleable#TextView_drawableLeft 278 * @attr ref android.R.styleable#TextView_drawableStart 279 * @attr ref android.R.styleable#TextView_drawableEnd 280 * @attr ref android.R.styleable#TextView_drawablePadding 281 * @attr ref android.R.styleable#TextView_drawableTint 282 * @attr ref android.R.styleable#TextView_drawableTintMode 283 * @attr ref android.R.styleable#TextView_lineSpacingExtra 284 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 285 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 286 * @attr ref android.R.styleable#TextView_inputType 287 * @attr ref android.R.styleable#TextView_imeOptions 288 * @attr ref android.R.styleable#TextView_privateImeOptions 289 * @attr ref android.R.styleable#TextView_imeActionLabel 290 * @attr ref android.R.styleable#TextView_imeActionId 291 * @attr ref android.R.styleable#TextView_editorExtras 292 * @attr ref android.R.styleable#TextView_elegantTextHeight 293 * @attr ref android.R.styleable#TextView_letterSpacing 294 * @attr ref android.R.styleable#TextView_fontFeatureSettings 295 * @attr ref android.R.styleable#TextView_breakStrategy 296 * @attr ref android.R.styleable#TextView_hyphenationFrequency 297 * @attr ref android.R.styleable#TextView_autoSizeTextType 298 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 299 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 300 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 301 * @attr ref android.R.styleable#TextView_autoSizePresetSizes 302 */ 303 @RemoteView 304 public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 305 static final String LOG_TAG = "TextView"; 306 static final boolean DEBUG_EXTRACT = false; 307 static final boolean DEBUG_AUTOFILL = false; 308 private static final float[] TEMP_POSITION = new float[2]; 309 310 // Enum for the "typeface" XML parameter. 311 // TODO: How can we get this from the XML instead of hardcoding it here? 312 private static final int SANS = 1; 313 private static final int SERIF = 2; 314 private static final int MONOSPACE = 3; 315 316 // Bitfield for the "numeric" XML parameter. 317 // TODO: How can we get this from the XML instead of hardcoding it here? 318 private static final int SIGNED = 2; 319 private static final int DECIMAL = 4; 320 321 /** 322 * Draw marquee text with fading edges as usual 323 */ 324 private static final int MARQUEE_FADE_NORMAL = 0; 325 326 /** 327 * Draw marquee text as ellipsize end while inactive instead of with the fade. 328 * (Useful for devices where the fade can be expensive if overdone) 329 */ 330 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 331 332 /** 333 * Draw marquee text with fading edges because it is currently active/animating. 334 */ 335 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 336 337 private static final int LINES = 1; 338 private static final int EMS = LINES; 339 private static final int PIXELS = 2; 340 341 private static final RectF TEMP_RECTF = new RectF(); 342 343 /** @hide */ 344 static final int VERY_WIDE = 1024 * 1024; // XXX should be much larger 345 private static final int ANIMATED_SCROLL_GAP = 250; 346 347 private static final InputFilter[] NO_FILTERS = new InputFilter[0]; 348 private static final Spanned EMPTY_SPANNED = new SpannedString(""); 349 350 private static final int CHANGE_WATCHER_PRIORITY = 100; 351 352 // New state used to change background based on whether this TextView is multiline. 353 private static final int[] MULTILINE_STATE_SET = { R.attr.state_multiline }; 354 355 // Accessibility action to share selected text. 356 private static final int ACCESSIBILITY_ACTION_SHARE = 0x10000000; 357 358 /** 359 * @hide 360 */ 361 // Accessibility action start id for "process text" actions. 362 static final int ACCESSIBILITY_ACTION_PROCESS_TEXT_START_ID = 0x10000100; 363 364 /** 365 * @hide 366 */ 367 static final int PROCESS_TEXT_REQUEST_CODE = 100; 368 369 /** 370 * Return code of {@link #doKeyDown}. 371 */ 372 private static final int KEY_EVENT_NOT_HANDLED = 0; 373 private static final int KEY_EVENT_HANDLED = -1; 374 private static final int KEY_DOWN_HANDLED_BY_KEY_LISTENER = 1; 375 private static final int KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD = 2; 376 377 // System wide time for last cut, copy or text changed action. 378 static long sLastCutCopyOrTextChangedTime; 379 380 private ColorStateList mTextColor; 381 private ColorStateList mHintTextColor; 382 private ColorStateList mLinkTextColor; 383 @ViewDebug.ExportedProperty(category = "text") 384 private int mCurTextColor; 385 private int mCurHintTextColor; 386 private boolean mFreezesText; 387 388 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 389 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 390 391 private float mShadowRadius, mShadowDx, mShadowDy; 392 private int mShadowColor; 393 394 private boolean mPreDrawRegistered; 395 private boolean mPreDrawListenerDetached; 396 397 private TextClassifier mTextClassifier; 398 399 // A flag to prevent repeated movements from escaping the enclosing text view. The idea here is 400 // that if a user is holding down a movement key to traverse text, we shouldn't also traverse 401 // the view hierarchy. On the other hand, if the user is using the movement key to traverse 402 // views (i.e. the first movement was to traverse out of this view, or this view was traversed 403 // into by the user holding the movement key down) then we shouldn't prevent the focus from 404 // changing. 405 private boolean mPreventDefaultMovement; 406 407 private TextUtils.TruncateAt mEllipsize; 408 409 static class Drawables { 410 static final int LEFT = 0; 411 static final int TOP = 1; 412 static final int RIGHT = 2; 413 static final int BOTTOM = 3; 414 415 static final int DRAWABLE_NONE = -1; 416 static final int DRAWABLE_RIGHT = 0; 417 static final int DRAWABLE_LEFT = 1; 418 419 final Rect mCompoundRect = new Rect(); 420 421 final Drawable[] mShowing = new Drawable[4]; 422 423 ColorStateList mTintList; 424 PorterDuff.Mode mTintMode; 425 boolean mHasTint; 426 boolean mHasTintMode; 427 428 Drawable mDrawableStart, mDrawableEnd, mDrawableError, mDrawableTemp; 429 Drawable mDrawableLeftInitial, mDrawableRightInitial; 430 431 boolean mIsRtlCompatibilityMode; 432 boolean mOverride; 433 434 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 435 mDrawableSizeStart, mDrawableSizeEnd, mDrawableSizeError, mDrawableSizeTemp; 436 437 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 438 mDrawableHeightStart, mDrawableHeightEnd, mDrawableHeightError, mDrawableHeightTemp; 439 440 int mDrawablePadding; 441 442 int mDrawableSaved = DRAWABLE_NONE; 443 444 public Drawables(Context context) { 445 final int targetSdkVersion = context.getApplicationInfo().targetSdkVersion; 446 mIsRtlCompatibilityMode = targetSdkVersion < VERSION_CODES.JELLY_BEAN_MR1 447 || !context.getApplicationInfo().hasRtlSupport(); 448 mOverride = false; 449 } 450 451 /** 452 * @return {@code true} if this object contains metadata that needs to 453 * be retained, {@code false} otherwise 454 */ 455 public boolean hasMetadata() { 456 return mDrawablePadding != 0 || mHasTintMode || mHasTint; 457 } 458 459 /** 460 * Updates the list of displayed drawables to account for the current 461 * layout direction. 462 * 463 * @param layoutDirection the current layout direction 464 * @return {@code true} if the displayed drawables changed 465 */ 466 public boolean resolveWithLayoutDirection(int layoutDirection) { 467 final Drawable previousLeft = mShowing[Drawables.LEFT]; 468 final Drawable previousRight = mShowing[Drawables.RIGHT]; 469 470 // First reset "left" and "right" drawables to their initial values 471 mShowing[Drawables.LEFT] = mDrawableLeftInitial; 472 mShowing[Drawables.RIGHT] = mDrawableRightInitial; 473 474 if (mIsRtlCompatibilityMode) { 475 // Use "start" drawable as "left" drawable if the "left" drawable was not defined 476 if (mDrawableStart != null && mShowing[Drawables.LEFT] == null) { 477 mShowing[Drawables.LEFT] = mDrawableStart; 478 mDrawableSizeLeft = mDrawableSizeStart; 479 mDrawableHeightLeft = mDrawableHeightStart; 480 } 481 // Use "end" drawable as "right" drawable if the "right" drawable was not defined 482 if (mDrawableEnd != null && mShowing[Drawables.RIGHT] == null) { 483 mShowing[Drawables.RIGHT] = mDrawableEnd; 484 mDrawableSizeRight = mDrawableSizeEnd; 485 mDrawableHeightRight = mDrawableHeightEnd; 486 } 487 } else { 488 // JB-MR1+ normal case: "start" / "end" drawables are overriding "left" / "right" 489 // drawable if and only if they have been defined 490 switch(layoutDirection) { 491 case LAYOUT_DIRECTION_RTL: 492 if (mOverride) { 493 mShowing[Drawables.RIGHT] = mDrawableStart; 494 mDrawableSizeRight = mDrawableSizeStart; 495 mDrawableHeightRight = mDrawableHeightStart; 496 497 mShowing[Drawables.LEFT] = mDrawableEnd; 498 mDrawableSizeLeft = mDrawableSizeEnd; 499 mDrawableHeightLeft = mDrawableHeightEnd; 500 } 501 break; 502 503 case LAYOUT_DIRECTION_LTR: 504 default: 505 if (mOverride) { 506 mShowing[Drawables.LEFT] = mDrawableStart; 507 mDrawableSizeLeft = mDrawableSizeStart; 508 mDrawableHeightLeft = mDrawableHeightStart; 509 510 mShowing[Drawables.RIGHT] = mDrawableEnd; 511 mDrawableSizeRight = mDrawableSizeEnd; 512 mDrawableHeightRight = mDrawableHeightEnd; 513 } 514 break; 515 } 516 } 517 518 applyErrorDrawableIfNeeded(layoutDirection); 519 520 return mShowing[Drawables.LEFT] != previousLeft 521 || mShowing[Drawables.RIGHT] != previousRight; 522 } 523 524 public void setErrorDrawable(Drawable dr, TextView tv) { 525 if (mDrawableError != dr && mDrawableError != null) { 526 mDrawableError.setCallback(null); 527 } 528 mDrawableError = dr; 529 530 if (mDrawableError != null) { 531 final Rect compoundRect = mCompoundRect; 532 final int[] state = tv.getDrawableState(); 533 534 mDrawableError.setState(state); 535 mDrawableError.copyBounds(compoundRect); 536 mDrawableError.setCallback(tv); 537 mDrawableSizeError = compoundRect.width(); 538 mDrawableHeightError = compoundRect.height(); 539 } else { 540 mDrawableSizeError = mDrawableHeightError = 0; 541 } 542 } 543 544 private void applyErrorDrawableIfNeeded(int layoutDirection) { 545 // first restore the initial state if needed 546 switch (mDrawableSaved) { 547 case DRAWABLE_LEFT: 548 mShowing[Drawables.LEFT] = mDrawableTemp; 549 mDrawableSizeLeft = mDrawableSizeTemp; 550 mDrawableHeightLeft = mDrawableHeightTemp; 551 break; 552 case DRAWABLE_RIGHT: 553 mShowing[Drawables.RIGHT] = mDrawableTemp; 554 mDrawableSizeRight = mDrawableSizeTemp; 555 mDrawableHeightRight = mDrawableHeightTemp; 556 break; 557 case DRAWABLE_NONE: 558 default: 559 } 560 // then, if needed, assign the Error drawable to the correct location 561 if (mDrawableError != null) { 562 switch(layoutDirection) { 563 case LAYOUT_DIRECTION_RTL: 564 mDrawableSaved = DRAWABLE_LEFT; 565 566 mDrawableTemp = mShowing[Drawables.LEFT]; 567 mDrawableSizeTemp = mDrawableSizeLeft; 568 mDrawableHeightTemp = mDrawableHeightLeft; 569 570 mShowing[Drawables.LEFT] = mDrawableError; 571 mDrawableSizeLeft = mDrawableSizeError; 572 mDrawableHeightLeft = mDrawableHeightError; 573 break; 574 case LAYOUT_DIRECTION_LTR: 575 default: 576 mDrawableSaved = DRAWABLE_RIGHT; 577 578 mDrawableTemp = mShowing[Drawables.RIGHT]; 579 mDrawableSizeTemp = mDrawableSizeRight; 580 mDrawableHeightTemp = mDrawableHeightRight; 581 582 mShowing[Drawables.RIGHT] = mDrawableError; 583 mDrawableSizeRight = mDrawableSizeError; 584 mDrawableHeightRight = mDrawableHeightError; 585 break; 586 } 587 } 588 } 589 } 590 591 Drawables mDrawables; 592 593 private CharWrapper mCharWrapper; 594 595 private Marquee mMarquee; 596 private boolean mRestartMarquee; 597 598 private int mMarqueeRepeatLimit = 3; 599 600 private int mLastLayoutDirection = -1; 601 602 /** 603 * On some devices the fading edges add a performance penalty if used 604 * extensively in the same layout. This mode indicates how the marquee 605 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 606 */ 607 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 608 609 /** 610 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 611 * the layout that should be used when the mode switches. 612 */ 613 private Layout mSavedMarqueeModeLayout; 614 615 @ViewDebug.ExportedProperty(category = "text") 616 private CharSequence mText; 617 private CharSequence mTransformed; 618 private BufferType mBufferType = BufferType.NORMAL; 619 620 private CharSequence mHint; 621 private Layout mHintLayout; 622 623 private MovementMethod mMovement; 624 625 private TransformationMethod mTransformation; 626 private boolean mAllowTransformationLengthChange; 627 private ChangeWatcher mChangeWatcher; 628 629 private ArrayList<TextWatcher> mListeners; 630 631 // display attributes 632 private final TextPaint mTextPaint; 633 private boolean mUserSetTextScaleX; 634 private Layout mLayout; 635 private boolean mLocalesChanged = false; 636 637 // True if setKeyListener() has been explicitly called 638 private boolean mListenerChanged = false; 639 // True if internationalized input should be used for numbers and date and time. 640 private final boolean mUseInternationalizedInput; 641 642 @ViewDebug.ExportedProperty(category = "text") 643 private int mGravity = Gravity.TOP | Gravity.START; 644 private boolean mHorizontallyScrolling; 645 646 private int mAutoLinkMask; 647 private boolean mLinksClickable = true; 648 649 private float mSpacingMult = 1.0f; 650 private float mSpacingAdd = 0.0f; 651 652 private int mBreakStrategy; 653 private int mHyphenationFrequency; 654 private int mJustificationMode; 655 656 private int mMaximum = Integer.MAX_VALUE; 657 private int mMaxMode = LINES; 658 private int mMinimum = 0; 659 private int mMinMode = LINES; 660 661 private int mOldMaximum = mMaximum; 662 private int mOldMaxMode = mMaxMode; 663 664 private int mMaxWidth = Integer.MAX_VALUE; 665 private int mMaxWidthMode = PIXELS; 666 private int mMinWidth = 0; 667 private int mMinWidthMode = PIXELS; 668 669 private boolean mSingleLine; 670 private int mDesiredHeightAtMeasure = -1; 671 private boolean mIncludePad = true; 672 private int mDeferScroll = -1; 673 674 // tmp primitives, so we don't alloc them on each draw 675 private Rect mTempRect; 676 private long mLastScroll; 677 private Scroller mScroller; 678 private TextPaint mTempTextPaint; 679 680 private BoringLayout.Metrics mBoring, mHintBoring; 681 private BoringLayout mSavedLayout, mSavedHintLayout; 682 683 private TextDirectionHeuristic mTextDir; 684 685 private InputFilter[] mFilters = NO_FILTERS; 686 687 private volatile Locale mCurrentSpellCheckerLocaleCache; 688 689 // It is possible to have a selection even when mEditor is null (programmatically set, like when 690 // a link is pressed). These highlight-related fields do not go in mEditor. 691 int mHighlightColor = 0x6633B5E5; 692 private Path mHighlightPath; 693 private final Paint mHighlightPaint; 694 private boolean mHighlightPathBogus = true; 695 696 // Although these fields are specific to editable text, they are not added to Editor because 697 // they are defined by the TextView's style and are theme-dependent. 698 int mCursorDrawableRes; 699 // These six fields, could be moved to Editor, since we know their default values and we 700 // could condition the creation of the Editor to a non standard value. This is however 701 // brittle since the hardcoded values here (such as 702 // com.android.internal.R.drawable.text_select_handle_left) would have to be updated if the 703 // default style is modified. 704 int mTextSelectHandleLeftRes; 705 int mTextSelectHandleRightRes; 706 int mTextSelectHandleRes; 707 int mTextEditSuggestionItemLayout; 708 int mTextEditSuggestionContainerLayout; 709 int mTextEditSuggestionHighlightStyle; 710 711 /** 712 * {@link EditText} specific data, created on demand when one of the Editor fields is used. 713 * See {@link #createEditorIfNeeded()}. 714 */ 715 private Editor mEditor; 716 717 private static final int DEVICE_PROVISIONED_UNKNOWN = 0; 718 private static final int DEVICE_PROVISIONED_NO = 1; 719 private static final int DEVICE_PROVISIONED_YES = 2; 720 721 /** 722 * Some special options such as sharing selected text should only be shown if the device 723 * is provisioned. Only check the provisioned state once for a given view instance. 724 */ 725 private int mDeviceProvisionedState = DEVICE_PROVISIONED_UNKNOWN; 726 727 /** 728 * The TextView does not auto-size text (default). 729 */ 730 public static final int AUTO_SIZE_TEXT_TYPE_NONE = 0; 731 732 /** 733 * The TextView scales text size both horizontally and vertically to fit within the 734 * container. 735 */ 736 public static final int AUTO_SIZE_TEXT_TYPE_UNIFORM = 1; 737 738 /** @hide */ 739 @IntDef({AUTO_SIZE_TEXT_TYPE_NONE, AUTO_SIZE_TEXT_TYPE_UNIFORM}) 740 @Retention(RetentionPolicy.SOURCE) 741 public @interface AutoSizeTextType {} 742 // Default minimum size for auto-sizing text in scaled pixels. 743 private static final int DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP = 12; 744 // Default maximum size for auto-sizing text in scaled pixels. 745 private static final int DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP = 112; 746 // Default value for the step size in pixels. 747 private static final int DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX = 1; 748 // Use this to specify that any of the auto-size configuration int values have not been set. 749 private static final float UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE = -1f; 750 // Auto-size text type. 751 private int mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 752 // Specify if auto-size text is needed. 753 private boolean mNeedsAutoSizeText = false; 754 // Step size for auto-sizing in pixels. 755 private float mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 756 // Minimum text size for auto-sizing in pixels. 757 private float mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 758 // Maximum text size for auto-sizing in pixels. 759 private float mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 760 // Contains a (specified or computed) distinct sorted set of text sizes in pixels to pick from 761 // when auto-sizing text. 762 private int[] mAutoSizeTextSizesInPx = EmptyArray.INT; 763 // Specifies whether auto-size should use the provided auto size steps set or if it should 764 // build the steps set using mAutoSizeMinTextSizeInPx, mAutoSizeMaxTextSizeInPx and 765 // mAutoSizeStepGranularityInPx. 766 private boolean mHasPresetAutoSizeValues = false; 767 768 // Indicates whether the text was set from resources or dynamically, so it can be used to 769 // sanitize autofill requests. 770 private boolean mTextFromResource = false; 771 772 /** 773 * Kick-start the font cache for the zygote process (to pay the cost of 774 * initializing freetype for our default font only once). 775 * @hide 776 */ 777 public static void preloadFontCache() { 778 Paint p = new Paint(); 779 p.setAntiAlias(true); 780 // Ensure that the Typeface is loaded here. 781 // Typically, Typeface is preloaded by zygote but not on all devices, e.g. Android Auto. 782 // So, sets Typeface.DEFAULT explicitly here for ensuring that the Typeface is loaded here 783 // since Paint.measureText can not be called without Typeface static initializer. 784 p.setTypeface(Typeface.DEFAULT); 785 // We don't care about the result, just the side-effect of measuring. 786 p.measureText("H"); 787 } 788 789 /** 790 * Interface definition for a callback to be invoked when an action is 791 * performed on the editor. 792 */ 793 public interface OnEditorActionListener { 794 /** 795 * Called when an action is being performed. 796 * 797 * @param v The view that was clicked. 798 * @param actionId Identifier of the action. This will be either the 799 * identifier you supplied, or {@link EditorInfo#IME_NULL 800 * EditorInfo.IME_NULL} if being called due to the enter key 801 * being pressed. 802 * @param event If triggered by an enter key, this is the event; 803 * otherwise, this is null. 804 * @return Return true if you have consumed the action, else false. 805 */ 806 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 807 } 808 809 public TextView(Context context) { 810 this(context, null); 811 } 812 813 public TextView(Context context, @Nullable AttributeSet attrs) { 814 this(context, attrs, com.android.internal.R.attr.textViewStyle); 815 } 816 817 public TextView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { 818 this(context, attrs, defStyleAttr, 0); 819 } 820 821 @SuppressWarnings("deprecation") 822 public TextView( 823 Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) { 824 super(context, attrs, defStyleAttr, defStyleRes); 825 826 // TextView is important by default, unless app developer overrode attribute. 827 if (getImportantForAutofill() == IMPORTANT_FOR_AUTOFILL_AUTO) { 828 setImportantForAutofill(IMPORTANT_FOR_AUTOFILL_YES); 829 } 830 831 mText = ""; 832 833 final Resources res = getResources(); 834 final CompatibilityInfo compat = res.getCompatibilityInfo(); 835 836 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 837 mTextPaint.density = res.getDisplayMetrics().density; 838 mTextPaint.setCompatibilityScaling(compat.applicationScale); 839 840 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 841 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 842 843 mMovement = getDefaultMovementMethod(); 844 845 mTransformation = null; 846 847 int textColorHighlight = 0; 848 ColorStateList textColor = null; 849 ColorStateList textColorHint = null; 850 ColorStateList textColorLink = null; 851 int textSize = 15; 852 String fontFamily = null; 853 Typeface fontTypeface = null; 854 boolean fontFamilyExplicit = false; 855 int typefaceIndex = -1; 856 int styleIndex = -1; 857 boolean allCaps = false; 858 int shadowcolor = 0; 859 float dx = 0, dy = 0, r = 0; 860 boolean elegant = false; 861 float letterSpacing = 0; 862 String fontFeatureSettings = null; 863 mBreakStrategy = Layout.BREAK_STRATEGY_SIMPLE; 864 mHyphenationFrequency = Layout.HYPHENATION_FREQUENCY_NONE; 865 mJustificationMode = Layout.JUSTIFICATION_MODE_NONE; 866 867 final Resources.Theme theme = context.getTheme(); 868 869 /* 870 * Look the appearance up without checking first if it exists because 871 * almost every TextView has one and it greatly simplifies the logic 872 * to be able to parse the appearance first and then let specific tags 873 * for this View override it. 874 */ 875 TypedArray a = theme.obtainStyledAttributes(attrs, 876 com.android.internal.R.styleable.TextViewAppearance, defStyleAttr, defStyleRes); 877 TypedArray appearance = null; 878 int ap = a.getResourceId( 879 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 880 a.recycle(); 881 if (ap != -1) { 882 appearance = theme.obtainStyledAttributes( 883 ap, com.android.internal.R.styleable.TextAppearance); 884 } 885 if (appearance != null) { 886 int n = appearance.getIndexCount(); 887 for (int i = 0; i < n; i++) { 888 int attr = appearance.getIndex(i); 889 890 switch (attr) { 891 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 892 textColorHighlight = appearance.getColor(attr, textColorHighlight); 893 break; 894 895 case com.android.internal.R.styleable.TextAppearance_textColor: 896 textColor = appearance.getColorStateList(attr); 897 break; 898 899 case com.android.internal.R.styleable.TextAppearance_textColorHint: 900 textColorHint = appearance.getColorStateList(attr); 901 break; 902 903 case com.android.internal.R.styleable.TextAppearance_textColorLink: 904 textColorLink = appearance.getColorStateList(attr); 905 break; 906 907 case com.android.internal.R.styleable.TextAppearance_textSize: 908 textSize = appearance.getDimensionPixelSize(attr, textSize); 909 break; 910 911 case com.android.internal.R.styleable.TextAppearance_typeface: 912 typefaceIndex = appearance.getInt(attr, -1); 913 break; 914 915 case com.android.internal.R.styleable.TextAppearance_fontFamily: 916 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 917 try { 918 fontTypeface = appearance.getFont(attr); 919 } catch (UnsupportedOperationException 920 | Resources.NotFoundException e) { 921 // Expected if it is not a font resource. 922 } 923 } 924 if (fontTypeface == null) { 925 fontFamily = appearance.getString(attr); 926 } 927 break; 928 929 case com.android.internal.R.styleable.TextAppearance_textStyle: 930 styleIndex = appearance.getInt(attr, -1); 931 break; 932 933 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 934 allCaps = appearance.getBoolean(attr, false); 935 break; 936 937 case com.android.internal.R.styleable.TextAppearance_shadowColor: 938 shadowcolor = appearance.getInt(attr, 0); 939 break; 940 941 case com.android.internal.R.styleable.TextAppearance_shadowDx: 942 dx = appearance.getFloat(attr, 0); 943 break; 944 945 case com.android.internal.R.styleable.TextAppearance_shadowDy: 946 dy = appearance.getFloat(attr, 0); 947 break; 948 949 case com.android.internal.R.styleable.TextAppearance_shadowRadius: 950 r = appearance.getFloat(attr, 0); 951 break; 952 953 case com.android.internal.R.styleable.TextAppearance_elegantTextHeight: 954 elegant = appearance.getBoolean(attr, false); 955 break; 956 957 case com.android.internal.R.styleable.TextAppearance_letterSpacing: 958 letterSpacing = appearance.getFloat(attr, 0); 959 break; 960 961 case com.android.internal.R.styleable.TextAppearance_fontFeatureSettings: 962 fontFeatureSettings = appearance.getString(attr); 963 break; 964 } 965 } 966 967 appearance.recycle(); 968 } 969 970 boolean editable = getDefaultEditable(); 971 CharSequence inputMethod = null; 972 int numeric = 0; 973 CharSequence digits = null; 974 boolean phone = false; 975 boolean autotext = false; 976 int autocap = -1; 977 int buffertype = 0; 978 boolean selectallonfocus = false; 979 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 980 drawableBottom = null, drawableStart = null, drawableEnd = null; 981 ColorStateList drawableTint = null; 982 PorterDuff.Mode drawableTintMode = null; 983 int drawablePadding = 0; 984 int ellipsize = -1; 985 boolean singleLine = false; 986 int maxlength = -1; 987 CharSequence text = ""; 988 CharSequence hint = null; 989 boolean password = false; 990 float autoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 991 float autoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 992 float autoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 993 int inputType = EditorInfo.TYPE_NULL; 994 a = theme.obtainStyledAttributes( 995 attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes); 996 997 int n = a.getIndexCount(); 998 999 boolean fromResourceId = false; 1000 for (int i = 0; i < n; i++) { 1001 int attr = a.getIndex(i); 1002 1003 switch (attr) { 1004 case com.android.internal.R.styleable.TextView_editable: 1005 editable = a.getBoolean(attr, editable); 1006 break; 1007 1008 case com.android.internal.R.styleable.TextView_inputMethod: 1009 inputMethod = a.getText(attr); 1010 break; 1011 1012 case com.android.internal.R.styleable.TextView_numeric: 1013 numeric = a.getInt(attr, numeric); 1014 break; 1015 1016 case com.android.internal.R.styleable.TextView_digits: 1017 digits = a.getText(attr); 1018 break; 1019 1020 case com.android.internal.R.styleable.TextView_phoneNumber: 1021 phone = a.getBoolean(attr, phone); 1022 break; 1023 1024 case com.android.internal.R.styleable.TextView_autoText: 1025 autotext = a.getBoolean(attr, autotext); 1026 break; 1027 1028 case com.android.internal.R.styleable.TextView_capitalize: 1029 autocap = a.getInt(attr, autocap); 1030 break; 1031 1032 case com.android.internal.R.styleable.TextView_bufferType: 1033 buffertype = a.getInt(attr, buffertype); 1034 break; 1035 1036 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 1037 selectallonfocus = a.getBoolean(attr, selectallonfocus); 1038 break; 1039 1040 case com.android.internal.R.styleable.TextView_autoLink: 1041 mAutoLinkMask = a.getInt(attr, 0); 1042 break; 1043 1044 case com.android.internal.R.styleable.TextView_linksClickable: 1045 mLinksClickable = a.getBoolean(attr, true); 1046 break; 1047 1048 case com.android.internal.R.styleable.TextView_drawableLeft: 1049 drawableLeft = a.getDrawable(attr); 1050 break; 1051 1052 case com.android.internal.R.styleable.TextView_drawableTop: 1053 drawableTop = a.getDrawable(attr); 1054 break; 1055 1056 case com.android.internal.R.styleable.TextView_drawableRight: 1057 drawableRight = a.getDrawable(attr); 1058 break; 1059 1060 case com.android.internal.R.styleable.TextView_drawableBottom: 1061 drawableBottom = a.getDrawable(attr); 1062 break; 1063 1064 case com.android.internal.R.styleable.TextView_drawableStart: 1065 drawableStart = a.getDrawable(attr); 1066 break; 1067 1068 case com.android.internal.R.styleable.TextView_drawableEnd: 1069 drawableEnd = a.getDrawable(attr); 1070 break; 1071 1072 case com.android.internal.R.styleable.TextView_drawableTint: 1073 drawableTint = a.getColorStateList(attr); 1074 break; 1075 1076 case com.android.internal.R.styleable.TextView_drawableTintMode: 1077 drawableTintMode = Drawable.parseTintMode(a.getInt(attr, -1), drawableTintMode); 1078 break; 1079 1080 case com.android.internal.R.styleable.TextView_drawablePadding: 1081 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 1082 break; 1083 1084 case com.android.internal.R.styleable.TextView_maxLines: 1085 setMaxLines(a.getInt(attr, -1)); 1086 break; 1087 1088 case com.android.internal.R.styleable.TextView_maxHeight: 1089 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 1090 break; 1091 1092 case com.android.internal.R.styleable.TextView_lines: 1093 setLines(a.getInt(attr, -1)); 1094 break; 1095 1096 case com.android.internal.R.styleable.TextView_height: 1097 setHeight(a.getDimensionPixelSize(attr, -1)); 1098 break; 1099 1100 case com.android.internal.R.styleable.TextView_minLines: 1101 setMinLines(a.getInt(attr, -1)); 1102 break; 1103 1104 case com.android.internal.R.styleable.TextView_minHeight: 1105 setMinHeight(a.getDimensionPixelSize(attr, -1)); 1106 break; 1107 1108 case com.android.internal.R.styleable.TextView_maxEms: 1109 setMaxEms(a.getInt(attr, -1)); 1110 break; 1111 1112 case com.android.internal.R.styleable.TextView_maxWidth: 1113 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 1114 break; 1115 1116 case com.android.internal.R.styleable.TextView_ems: 1117 setEms(a.getInt(attr, -1)); 1118 break; 1119 1120 case com.android.internal.R.styleable.TextView_width: 1121 setWidth(a.getDimensionPixelSize(attr, -1)); 1122 break; 1123 1124 case com.android.internal.R.styleable.TextView_minEms: 1125 setMinEms(a.getInt(attr, -1)); 1126 break; 1127 1128 case com.android.internal.R.styleable.TextView_minWidth: 1129 setMinWidth(a.getDimensionPixelSize(attr, -1)); 1130 break; 1131 1132 case com.android.internal.R.styleable.TextView_gravity: 1133 setGravity(a.getInt(attr, -1)); 1134 break; 1135 1136 case com.android.internal.R.styleable.TextView_hint: 1137 hint = a.getText(attr); 1138 break; 1139 1140 case com.android.internal.R.styleable.TextView_text: 1141 fromResourceId = true; 1142 text = a.getText(attr); 1143 break; 1144 1145 case com.android.internal.R.styleable.TextView_scrollHorizontally: 1146 if (a.getBoolean(attr, false)) { 1147 setHorizontallyScrolling(true); 1148 } 1149 break; 1150 1151 case com.android.internal.R.styleable.TextView_singleLine: 1152 singleLine = a.getBoolean(attr, singleLine); 1153 break; 1154 1155 case com.android.internal.R.styleable.TextView_ellipsize: 1156 ellipsize = a.getInt(attr, ellipsize); 1157 break; 1158 1159 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 1160 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 1161 break; 1162 1163 case com.android.internal.R.styleable.TextView_includeFontPadding: 1164 if (!a.getBoolean(attr, true)) { 1165 setIncludeFontPadding(false); 1166 } 1167 break; 1168 1169 case com.android.internal.R.styleable.TextView_cursorVisible: 1170 if (!a.getBoolean(attr, true)) { 1171 setCursorVisible(false); 1172 } 1173 break; 1174 1175 case com.android.internal.R.styleable.TextView_maxLength: 1176 maxlength = a.getInt(attr, -1); 1177 break; 1178 1179 case com.android.internal.R.styleable.TextView_textScaleX: 1180 setTextScaleX(a.getFloat(attr, 1.0f)); 1181 break; 1182 1183 case com.android.internal.R.styleable.TextView_freezesText: 1184 mFreezesText = a.getBoolean(attr, false); 1185 break; 1186 1187 case com.android.internal.R.styleable.TextView_shadowColor: 1188 shadowcolor = a.getInt(attr, 0); 1189 break; 1190 1191 case com.android.internal.R.styleable.TextView_shadowDx: 1192 dx = a.getFloat(attr, 0); 1193 break; 1194 1195 case com.android.internal.R.styleable.TextView_shadowDy: 1196 dy = a.getFloat(attr, 0); 1197 break; 1198 1199 case com.android.internal.R.styleable.TextView_shadowRadius: 1200 r = a.getFloat(attr, 0); 1201 break; 1202 1203 case com.android.internal.R.styleable.TextView_enabled: 1204 setEnabled(a.getBoolean(attr, isEnabled())); 1205 break; 1206 1207 case com.android.internal.R.styleable.TextView_textColorHighlight: 1208 textColorHighlight = a.getColor(attr, textColorHighlight); 1209 break; 1210 1211 case com.android.internal.R.styleable.TextView_textColor: 1212 textColor = a.getColorStateList(attr); 1213 break; 1214 1215 case com.android.internal.R.styleable.TextView_textColorHint: 1216 textColorHint = a.getColorStateList(attr); 1217 break; 1218 1219 case com.android.internal.R.styleable.TextView_textColorLink: 1220 textColorLink = a.getColorStateList(attr); 1221 break; 1222 1223 case com.android.internal.R.styleable.TextView_textSize: 1224 textSize = a.getDimensionPixelSize(attr, textSize); 1225 break; 1226 1227 case com.android.internal.R.styleable.TextView_typeface: 1228 typefaceIndex = a.getInt(attr, typefaceIndex); 1229 break; 1230 1231 case com.android.internal.R.styleable.TextView_textStyle: 1232 styleIndex = a.getInt(attr, styleIndex); 1233 break; 1234 1235 case com.android.internal.R.styleable.TextView_fontFamily: 1236 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 1237 try { 1238 fontTypeface = a.getFont(attr); 1239 } catch (UnsupportedOperationException | Resources.NotFoundException e) { 1240 // Expected if it is not a resource reference or if it is a reference to 1241 // another resource type. 1242 } 1243 } 1244 if (fontTypeface == null) { 1245 fontFamily = a.getString(attr); 1246 } 1247 fontFamilyExplicit = true; 1248 break; 1249 1250 case com.android.internal.R.styleable.TextView_password: 1251 password = a.getBoolean(attr, password); 1252 break; 1253 1254 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 1255 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 1256 break; 1257 1258 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 1259 mSpacingMult = a.getFloat(attr, mSpacingMult); 1260 break; 1261 1262 case com.android.internal.R.styleable.TextView_inputType: 1263 inputType = a.getInt(attr, EditorInfo.TYPE_NULL); 1264 break; 1265 1266 case com.android.internal.R.styleable.TextView_allowUndo: 1267 createEditorIfNeeded(); 1268 mEditor.mAllowUndo = a.getBoolean(attr, true); 1269 break; 1270 1271 case com.android.internal.R.styleable.TextView_imeOptions: 1272 createEditorIfNeeded(); 1273 mEditor.createInputContentTypeIfNeeded(); 1274 mEditor.mInputContentType.imeOptions = a.getInt(attr, 1275 mEditor.mInputContentType.imeOptions); 1276 break; 1277 1278 case com.android.internal.R.styleable.TextView_imeActionLabel: 1279 createEditorIfNeeded(); 1280 mEditor.createInputContentTypeIfNeeded(); 1281 mEditor.mInputContentType.imeActionLabel = a.getText(attr); 1282 break; 1283 1284 case com.android.internal.R.styleable.TextView_imeActionId: 1285 createEditorIfNeeded(); 1286 mEditor.createInputContentTypeIfNeeded(); 1287 mEditor.mInputContentType.imeActionId = a.getInt(attr, 1288 mEditor.mInputContentType.imeActionId); 1289 break; 1290 1291 case com.android.internal.R.styleable.TextView_privateImeOptions: 1292 setPrivateImeOptions(a.getString(attr)); 1293 break; 1294 1295 case com.android.internal.R.styleable.TextView_editorExtras: 1296 try { 1297 setInputExtras(a.getResourceId(attr, 0)); 1298 } catch (XmlPullParserException e) { 1299 Log.w(LOG_TAG, "Failure reading input extras", e); 1300 } catch (IOException e) { 1301 Log.w(LOG_TAG, "Failure reading input extras", e); 1302 } 1303 break; 1304 1305 case com.android.internal.R.styleable.TextView_textCursorDrawable: 1306 mCursorDrawableRes = a.getResourceId(attr, 0); 1307 break; 1308 1309 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 1310 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 1311 break; 1312 1313 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 1314 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 1315 break; 1316 1317 case com.android.internal.R.styleable.TextView_textSelectHandle: 1318 mTextSelectHandleRes = a.getResourceId(attr, 0); 1319 break; 1320 1321 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 1322 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 1323 break; 1324 1325 case com.android.internal.R.styleable.TextView_textEditSuggestionContainerLayout: 1326 mTextEditSuggestionContainerLayout = a.getResourceId(attr, 0); 1327 break; 1328 1329 case com.android.internal.R.styleable.TextView_textEditSuggestionHighlightStyle: 1330 mTextEditSuggestionHighlightStyle = a.getResourceId(attr, 0); 1331 break; 1332 1333 case com.android.internal.R.styleable.TextView_textIsSelectable: 1334 setTextIsSelectable(a.getBoolean(attr, false)); 1335 break; 1336 1337 case com.android.internal.R.styleable.TextView_textAllCaps: 1338 allCaps = a.getBoolean(attr, false); 1339 break; 1340 1341 case com.android.internal.R.styleable.TextView_elegantTextHeight: 1342 elegant = a.getBoolean(attr, false); 1343 break; 1344 1345 case com.android.internal.R.styleable.TextView_letterSpacing: 1346 letterSpacing = a.getFloat(attr, 0); 1347 break; 1348 1349 case com.android.internal.R.styleable.TextView_fontFeatureSettings: 1350 fontFeatureSettings = a.getString(attr); 1351 break; 1352 1353 case com.android.internal.R.styleable.TextView_breakStrategy: 1354 mBreakStrategy = a.getInt(attr, Layout.BREAK_STRATEGY_SIMPLE); 1355 break; 1356 1357 case com.android.internal.R.styleable.TextView_hyphenationFrequency: 1358 mHyphenationFrequency = a.getInt(attr, Layout.HYPHENATION_FREQUENCY_NONE); 1359 break; 1360 1361 case com.android.internal.R.styleable.TextView_autoSizeTextType: 1362 mAutoSizeTextType = a.getInt(attr, AUTO_SIZE_TEXT_TYPE_NONE); 1363 break; 1364 1365 case com.android.internal.R.styleable.TextView_autoSizeStepGranularity: 1366 autoSizeStepGranularityInPx = a.getDimension(attr, 1367 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1368 break; 1369 1370 case com.android.internal.R.styleable.TextView_autoSizeMinTextSize: 1371 autoSizeMinTextSizeInPx = a.getDimension(attr, 1372 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1373 break; 1374 1375 case com.android.internal.R.styleable.TextView_autoSizeMaxTextSize: 1376 autoSizeMaxTextSizeInPx = a.getDimension(attr, 1377 UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE); 1378 break; 1379 1380 case com.android.internal.R.styleable.TextView_autoSizePresetSizes: 1381 final int autoSizeStepSizeArrayResId = a.getResourceId(attr, 0); 1382 if (autoSizeStepSizeArrayResId > 0) { 1383 final TypedArray autoSizePresetTextSizes = a.getResources() 1384 .obtainTypedArray(autoSizeStepSizeArrayResId); 1385 setupAutoSizeUniformPresetSizes(autoSizePresetTextSizes); 1386 autoSizePresetTextSizes.recycle(); 1387 } 1388 break; 1389 case com.android.internal.R.styleable.TextView_justificationMode: 1390 mJustificationMode = a.getInt(attr, Layout.JUSTIFICATION_MODE_NONE); 1391 break; 1392 } 1393 } 1394 1395 a.recycle(); 1396 1397 BufferType bufferType = BufferType.EDITABLE; 1398 1399 final int variation = 1400 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 1401 final boolean passwordInputType = variation 1402 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 1403 final boolean webPasswordInputType = variation 1404 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 1405 final boolean numberPasswordInputType = variation 1406 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 1407 1408 mUseInternationalizedInput = 1409 context.getApplicationInfo().targetSdkVersion >= VERSION_CODES.O; 1410 1411 if (inputMethod != null) { 1412 Class<?> c; 1413 1414 try { 1415 c = Class.forName(inputMethod.toString()); 1416 } catch (ClassNotFoundException ex) { 1417 throw new RuntimeException(ex); 1418 } 1419 1420 try { 1421 createEditorIfNeeded(); 1422 mEditor.mKeyListener = (KeyListener) c.newInstance(); 1423 } catch (InstantiationException ex) { 1424 throw new RuntimeException(ex); 1425 } catch (IllegalAccessException ex) { 1426 throw new RuntimeException(ex); 1427 } 1428 try { 1429 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1430 ? inputType 1431 : mEditor.mKeyListener.getInputType(); 1432 } catch (IncompatibleClassChangeError e) { 1433 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1434 } 1435 } else if (digits != null) { 1436 createEditorIfNeeded(); 1437 mEditor.mKeyListener = DigitsKeyListener.getInstance(digits.toString()); 1438 // If no input type was specified, we will default to generic 1439 // text, since we can't tell the IME about the set of digits 1440 // that was selected. 1441 mEditor.mInputType = inputType != EditorInfo.TYPE_NULL 1442 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 1443 } else if (inputType != EditorInfo.TYPE_NULL) { 1444 setInputType(inputType, true); 1445 // If set, the input type overrides what was set using the deprecated singleLine flag. 1446 singleLine = !isMultilineInputType(inputType); 1447 } else if (phone) { 1448 createEditorIfNeeded(); 1449 mEditor.mKeyListener = DialerKeyListener.getInstance(); 1450 mEditor.mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 1451 } else if (numeric != 0) { 1452 createEditorIfNeeded(); 1453 mEditor.mKeyListener = DigitsKeyListener.getInstance( 1454 null, // locale 1455 (numeric & SIGNED) != 0, 1456 (numeric & DECIMAL) != 0); 1457 inputType = mEditor.mKeyListener.getInputType(); 1458 mEditor.mInputType = inputType; 1459 } else if (autotext || autocap != -1) { 1460 TextKeyListener.Capitalize cap; 1461 1462 inputType = EditorInfo.TYPE_CLASS_TEXT; 1463 1464 switch (autocap) { 1465 case 1: 1466 cap = TextKeyListener.Capitalize.SENTENCES; 1467 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 1468 break; 1469 1470 case 2: 1471 cap = TextKeyListener.Capitalize.WORDS; 1472 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 1473 break; 1474 1475 case 3: 1476 cap = TextKeyListener.Capitalize.CHARACTERS; 1477 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 1478 break; 1479 1480 default: 1481 cap = TextKeyListener.Capitalize.NONE; 1482 break; 1483 } 1484 1485 createEditorIfNeeded(); 1486 mEditor.mKeyListener = TextKeyListener.getInstance(autotext, cap); 1487 mEditor.mInputType = inputType; 1488 } else if (editable) { 1489 createEditorIfNeeded(); 1490 mEditor.mKeyListener = TextKeyListener.getInstance(); 1491 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 1492 } else if (isTextSelectable()) { 1493 // Prevent text changes from keyboard. 1494 if (mEditor != null) { 1495 mEditor.mKeyListener = null; 1496 mEditor.mInputType = EditorInfo.TYPE_NULL; 1497 } 1498 bufferType = BufferType.SPANNABLE; 1499 // So that selection can be changed using arrow keys and touch is handled. 1500 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 1501 } else { 1502 if (mEditor != null) mEditor.mKeyListener = null; 1503 1504 switch (buffertype) { 1505 case 0: 1506 bufferType = BufferType.NORMAL; 1507 break; 1508 case 1: 1509 bufferType = BufferType.SPANNABLE; 1510 break; 1511 case 2: 1512 bufferType = BufferType.EDITABLE; 1513 break; 1514 } 1515 } 1516 1517 if (mEditor != null) { 1518 mEditor.adjustInputType(password, passwordInputType, webPasswordInputType, 1519 numberPasswordInputType); 1520 } 1521 1522 if (selectallonfocus) { 1523 createEditorIfNeeded(); 1524 mEditor.mSelectAllOnFocus = true; 1525 1526 if (bufferType == BufferType.NORMAL) { 1527 bufferType = BufferType.SPANNABLE; 1528 } 1529 } 1530 1531 // Set up the tint (if needed) before setting the drawables so that it 1532 // gets applied correctly. 1533 if (drawableTint != null || drawableTintMode != null) { 1534 if (mDrawables == null) { 1535 mDrawables = new Drawables(context); 1536 } 1537 if (drawableTint != null) { 1538 mDrawables.mTintList = drawableTint; 1539 mDrawables.mHasTint = true; 1540 } 1541 if (drawableTintMode != null) { 1542 mDrawables.mTintMode = drawableTintMode; 1543 mDrawables.mHasTintMode = true; 1544 } 1545 } 1546 1547 // This call will save the initial left/right drawables 1548 setCompoundDrawablesWithIntrinsicBounds( 1549 drawableLeft, drawableTop, drawableRight, drawableBottom); 1550 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1551 setCompoundDrawablePadding(drawablePadding); 1552 1553 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1554 // of lines of height are unchanged for multi-line TextViews. 1555 setInputTypeSingleLine(singleLine); 1556 applySingleLine(singleLine, singleLine, singleLine); 1557 1558 if (singleLine && getKeyListener() == null && ellipsize < 0) { 1559 ellipsize = 3; // END 1560 } 1561 1562 switch (ellipsize) { 1563 case 1: 1564 setEllipsize(TextUtils.TruncateAt.START); 1565 break; 1566 case 2: 1567 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1568 break; 1569 case 3: 1570 setEllipsize(TextUtils.TruncateAt.END); 1571 break; 1572 case 4: 1573 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1574 setHorizontalFadingEdgeEnabled(true); 1575 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1576 } else { 1577 setHorizontalFadingEdgeEnabled(false); 1578 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1579 } 1580 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1581 break; 1582 } 1583 1584 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1585 setHintTextColor(textColorHint); 1586 setLinkTextColor(textColorLink); 1587 if (textColorHighlight != 0) { 1588 setHighlightColor(textColorHighlight); 1589 } 1590 setRawTextSize(textSize, true /* shouldRequestLayout */); 1591 setElegantTextHeight(elegant); 1592 setLetterSpacing(letterSpacing); 1593 setFontFeatureSettings(fontFeatureSettings); 1594 1595 if (allCaps) { 1596 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1597 } 1598 1599 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1600 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1601 typefaceIndex = MONOSPACE; 1602 } else if (mEditor != null 1603 && (mEditor.mInputType 1604 & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1605 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1606 typefaceIndex = MONOSPACE; 1607 } 1608 1609 if (typefaceIndex != -1 && !fontFamilyExplicit) { 1610 fontFamily = null; 1611 } 1612 setTypefaceFromAttrs(fontTypeface, fontFamily, typefaceIndex, styleIndex); 1613 1614 if (shadowcolor != 0) { 1615 setShadowLayer(r, dx, dy, shadowcolor); 1616 } 1617 1618 if (maxlength >= 0) { 1619 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1620 } else { 1621 setFilters(NO_FILTERS); 1622 } 1623 1624 setText(text, bufferType); 1625 if (fromResourceId) { 1626 mTextFromResource = true; 1627 } 1628 1629 if (hint != null) setHint(hint); 1630 1631 /* 1632 * Views are not normally clickable unless specified to be. 1633 * However, TextViews that have input or movement methods *are* 1634 * clickable by default. By setting clickable here, we implicitly set focusable as well 1635 * if not overridden by the developer. 1636 */ 1637 a = context.obtainStyledAttributes( 1638 attrs, com.android.internal.R.styleable.View, defStyleAttr, defStyleRes); 1639 boolean canInputOrMove = (mMovement != null || getKeyListener() != null); 1640 boolean clickable = canInputOrMove || isClickable(); 1641 boolean longClickable = canInputOrMove || isLongClickable(); 1642 int focusable = getFocusable(); 1643 1644 n = a.getIndexCount(); 1645 for (int i = 0; i < n; i++) { 1646 int attr = a.getIndex(i); 1647 1648 switch (attr) { 1649 case com.android.internal.R.styleable.View_focusable: 1650 TypedValue val = new TypedValue(); 1651 if (a.getValue(attr, val)) { 1652 focusable = (val.type == TypedValue.TYPE_INT_BOOLEAN) 1653 ? (val.data == 0 ? NOT_FOCUSABLE : FOCUSABLE) 1654 : val.data; 1655 } 1656 break; 1657 1658 case com.android.internal.R.styleable.View_clickable: 1659 clickable = a.getBoolean(attr, clickable); 1660 break; 1661 1662 case com.android.internal.R.styleable.View_longClickable: 1663 longClickable = a.getBoolean(attr, longClickable); 1664 break; 1665 } 1666 } 1667 a.recycle(); 1668 1669 // Some apps were relying on the undefined behavior of focusable winning over 1670 // focusableInTouchMode != focusable in TextViews if both were specified in XML (usually 1671 // when starting with EditText and setting only focusable=false). To keep those apps from 1672 // breaking, re-apply the focusable attribute here. 1673 if (focusable != getFocusable()) { 1674 setFocusable(focusable); 1675 } 1676 setClickable(clickable); 1677 setLongClickable(longClickable); 1678 1679 if (mEditor != null) mEditor.prepareCursorControllers(); 1680 1681 // If not explicitly specified this view is important for accessibility. 1682 if (getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) { 1683 setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES); 1684 } 1685 1686 if (supportsAutoSizeText()) { 1687 if (mAutoSizeTextType == AUTO_SIZE_TEXT_TYPE_UNIFORM) { 1688 // If uniform auto-size has been specified but preset values have not been set then 1689 // replace the auto-size configuration values that have not been specified with the 1690 // defaults. 1691 if (!mHasPresetAutoSizeValues) { 1692 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1693 1694 if (autoSizeMinTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1695 autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1696 TypedValue.COMPLEX_UNIT_SP, 1697 DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP, 1698 displayMetrics); 1699 } 1700 1701 if (autoSizeMaxTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1702 autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1703 TypedValue.COMPLEX_UNIT_SP, 1704 DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP, 1705 displayMetrics); 1706 } 1707 1708 if (autoSizeStepGranularityInPx 1709 == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) { 1710 autoSizeStepGranularityInPx = DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX; 1711 } 1712 1713 validateAndSetAutoSizeTextTypeUniformConfiguration(autoSizeMinTextSizeInPx, 1714 autoSizeMaxTextSizeInPx, 1715 autoSizeStepGranularityInPx); 1716 } 1717 1718 setupAutoSizeText(); 1719 } 1720 } else { 1721 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 1722 } 1723 } 1724 1725 /** 1726 * Specify whether this widget should automatically scale the text to try to perfectly fit 1727 * within the layout bounds by using the default auto-size configuration. 1728 * 1729 * @param autoSizeTextType the type of auto-size. Must be one of 1730 * {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or 1731 * {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM} 1732 * 1733 * @throws IllegalArgumentException if <code>autoSizeTextType</code> is none of the types above. 1734 * 1735 * @attr ref android.R.styleable#TextView_autoSizeTextType 1736 * 1737 * @see #getAutoSizeTextType() 1738 */ 1739 public void setAutoSizeTextTypeWithDefaults(@AutoSizeTextType int autoSizeTextType) { 1740 if (supportsAutoSizeText()) { 1741 switch (autoSizeTextType) { 1742 case AUTO_SIZE_TEXT_TYPE_NONE: 1743 clearAutoSizeConfiguration(); 1744 break; 1745 case AUTO_SIZE_TEXT_TYPE_UNIFORM: 1746 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1747 final float autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1748 TypedValue.COMPLEX_UNIT_SP, 1749 DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP, 1750 displayMetrics); 1751 final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1752 TypedValue.COMPLEX_UNIT_SP, 1753 DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP, 1754 displayMetrics); 1755 1756 validateAndSetAutoSizeTextTypeUniformConfiguration( 1757 autoSizeMinTextSizeInPx, 1758 autoSizeMaxTextSizeInPx, 1759 DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX); 1760 if (setupAutoSizeText()) { 1761 autoSizeText(); 1762 invalidate(); 1763 } 1764 break; 1765 default: 1766 throw new IllegalArgumentException( 1767 "Unknown auto-size text type: " + autoSizeTextType); 1768 } 1769 } 1770 } 1771 1772 /** 1773 * Specify whether this widget should automatically scale the text to try to perfectly fit 1774 * within the layout bounds. If all the configuration params are valid the type of auto-size is 1775 * set to {@link #AUTO_SIZE_TEXT_TYPE_UNIFORM}. 1776 * 1777 * @param autoSizeMinTextSize the minimum text size available for auto-size 1778 * @param autoSizeMaxTextSize the maximum text size available for auto-size 1779 * @param autoSizeStepGranularity the auto-size step granularity. It is used in conjunction with 1780 * the minimum and maximum text size in order to build the set of 1781 * text sizes the system uses to choose from when auto-sizing 1782 * @param unit the desired dimension unit for all sizes above. See {@link TypedValue} for the 1783 * possible dimension units 1784 * 1785 * @throws IllegalArgumentException if any of the configuration params are invalid. 1786 * 1787 * @attr ref android.R.styleable#TextView_autoSizeTextType 1788 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 1789 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 1790 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 1791 * 1792 * @see #setAutoSizeTextTypeWithDefaults(int) 1793 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1794 * @see #getAutoSizeMinTextSize() 1795 * @see #getAutoSizeMaxTextSize() 1796 * @see #getAutoSizeStepGranularity() 1797 * @see #getAutoSizeTextAvailableSizes() 1798 */ 1799 public void setAutoSizeTextTypeUniformWithConfiguration(int autoSizeMinTextSize, 1800 int autoSizeMaxTextSize, int autoSizeStepGranularity, int unit) { 1801 if (supportsAutoSizeText()) { 1802 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1803 final float autoSizeMinTextSizeInPx = TypedValue.applyDimension( 1804 unit, autoSizeMinTextSize, displayMetrics); 1805 final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension( 1806 unit, autoSizeMaxTextSize, displayMetrics); 1807 final float autoSizeStepGranularityInPx = TypedValue.applyDimension( 1808 unit, autoSizeStepGranularity, displayMetrics); 1809 1810 validateAndSetAutoSizeTextTypeUniformConfiguration(autoSizeMinTextSizeInPx, 1811 autoSizeMaxTextSizeInPx, 1812 autoSizeStepGranularityInPx); 1813 1814 if (setupAutoSizeText()) { 1815 autoSizeText(); 1816 invalidate(); 1817 } 1818 } 1819 } 1820 1821 /** 1822 * Specify whether this widget should automatically scale the text to try to perfectly fit 1823 * within the layout bounds. If at least one value from the <code>presetSizes</code> is valid 1824 * then the type of auto-size is set to {@link #AUTO_SIZE_TEXT_TYPE_UNIFORM}. 1825 * 1826 * @param presetSizes an {@code int} array of sizes in pixels 1827 * @param unit the desired dimension unit for the preset sizes above. See {@link TypedValue} for 1828 * the possible dimension units 1829 * 1830 * @throws IllegalArgumentException if all of the <code>presetSizes</code> are invalid. 1831 * 1832 * @attr ref android.R.styleable#TextView_autoSizeTextType 1833 * @attr ref android.R.styleable#TextView_autoSizePresetSizes 1834 * 1835 * @see #setAutoSizeTextTypeWithDefaults(int) 1836 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1837 * @see #getAutoSizeMinTextSize() 1838 * @see #getAutoSizeMaxTextSize() 1839 * @see #getAutoSizeTextAvailableSizes() 1840 */ 1841 public void setAutoSizeTextTypeUniformWithPresetSizes(@NonNull int[] presetSizes, int unit) { 1842 if (supportsAutoSizeText()) { 1843 final int presetSizesLength = presetSizes.length; 1844 if (presetSizesLength > 0) { 1845 int[] presetSizesInPx = new int[presetSizesLength]; 1846 1847 if (unit == TypedValue.COMPLEX_UNIT_PX) { 1848 presetSizesInPx = Arrays.copyOf(presetSizes, presetSizesLength); 1849 } else { 1850 final DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); 1851 // Convert all to sizes to pixels. 1852 for (int i = 0; i < presetSizesLength; i++) { 1853 presetSizesInPx[i] = Math.round(TypedValue.applyDimension(unit, 1854 presetSizes[i], displayMetrics)); 1855 } 1856 } 1857 1858 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(presetSizesInPx); 1859 if (!setupAutoSizeUniformPresetSizesConfiguration()) { 1860 throw new IllegalArgumentException("None of the preset sizes is valid: " 1861 + Arrays.toString(presetSizes)); 1862 } 1863 } else { 1864 mHasPresetAutoSizeValues = false; 1865 } 1866 1867 if (setupAutoSizeText()) { 1868 autoSizeText(); 1869 invalidate(); 1870 } 1871 } 1872 } 1873 1874 /** 1875 * Returns the type of auto-size set for this widget. 1876 * 1877 * @return an {@code int} corresponding to one of the auto-size types: 1878 * {@link TextView#AUTO_SIZE_TEXT_TYPE_NONE} or 1879 * {@link TextView#AUTO_SIZE_TEXT_TYPE_UNIFORM} 1880 * 1881 * @attr ref android.R.styleable#TextView_autoSizeTextType 1882 * 1883 * @see #setAutoSizeTextTypeWithDefaults(int) 1884 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1885 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1886 */ 1887 @AutoSizeTextType 1888 public int getAutoSizeTextType() { 1889 return mAutoSizeTextType; 1890 } 1891 1892 /** 1893 * @return the current auto-size step granularity in pixels. 1894 * 1895 * @attr ref android.R.styleable#TextView_autoSizeStepGranularity 1896 * 1897 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1898 */ 1899 public int getAutoSizeStepGranularity() { 1900 return Math.round(mAutoSizeStepGranularityInPx); 1901 } 1902 1903 /** 1904 * @return the current auto-size minimum text size in pixels (the default is 12sp). Note that 1905 * if auto-size has not been configured this function returns {@code -1}. 1906 * 1907 * @attr ref android.R.styleable#TextView_autoSizeMinTextSize 1908 * 1909 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1910 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1911 */ 1912 public int getAutoSizeMinTextSize() { 1913 return Math.round(mAutoSizeMinTextSizeInPx); 1914 } 1915 1916 /** 1917 * @return the current auto-size maximum text size in pixels (the default is 112sp). Note that 1918 * if auto-size has not been configured this function returns {@code -1}. 1919 * 1920 * @attr ref android.R.styleable#TextView_autoSizeMaxTextSize 1921 * 1922 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1923 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1924 */ 1925 public int getAutoSizeMaxTextSize() { 1926 return Math.round(mAutoSizeMaxTextSizeInPx); 1927 } 1928 1929 /** 1930 * @return the current auto-size {@code int} sizes array (in pixels). 1931 * 1932 * @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int) 1933 * @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int) 1934 */ 1935 public int[] getAutoSizeTextAvailableSizes() { 1936 return mAutoSizeTextSizesInPx; 1937 } 1938 1939 private void setupAutoSizeUniformPresetSizes(TypedArray textSizes) { 1940 final int textSizesLength = textSizes.length(); 1941 final int[] parsedSizes = new int[textSizesLength]; 1942 1943 if (textSizesLength > 0) { 1944 for (int i = 0; i < textSizesLength; i++) { 1945 parsedSizes[i] = textSizes.getDimensionPixelSize(i, -1); 1946 } 1947 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(parsedSizes); 1948 setupAutoSizeUniformPresetSizesConfiguration(); 1949 } 1950 } 1951 1952 private boolean setupAutoSizeUniformPresetSizesConfiguration() { 1953 final int sizesLength = mAutoSizeTextSizesInPx.length; 1954 mHasPresetAutoSizeValues = sizesLength > 0; 1955 if (mHasPresetAutoSizeValues) { 1956 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_UNIFORM; 1957 mAutoSizeMinTextSizeInPx = mAutoSizeTextSizesInPx[0]; 1958 mAutoSizeMaxTextSizeInPx = mAutoSizeTextSizesInPx[sizesLength - 1]; 1959 mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 1960 } 1961 return mHasPresetAutoSizeValues; 1962 } 1963 1964 /** 1965 * If all params are valid then save the auto-size configuration. 1966 * 1967 * @throws IllegalArgumentException if any of the params are invalid 1968 */ 1969 private void validateAndSetAutoSizeTextTypeUniformConfiguration(float autoSizeMinTextSizeInPx, 1970 float autoSizeMaxTextSizeInPx, float autoSizeStepGranularityInPx) { 1971 // First validate. 1972 if (autoSizeMinTextSizeInPx <= 0) { 1973 throw new IllegalArgumentException("Minimum auto-size text size (" 1974 + autoSizeMinTextSizeInPx + "px) is less or equal to (0px)"); 1975 } 1976 1977 if (autoSizeMaxTextSizeInPx <= autoSizeMinTextSizeInPx) { 1978 throw new IllegalArgumentException("Maximum auto-size text size (" 1979 + autoSizeMaxTextSizeInPx + "px) is less or equal to minimum auto-size " 1980 + "text size (" + autoSizeMinTextSizeInPx + "px)"); 1981 } 1982 1983 if (autoSizeStepGranularityInPx <= 0) { 1984 throw new IllegalArgumentException("The auto-size step granularity (" 1985 + autoSizeStepGranularityInPx + "px) is less or equal to (0px)"); 1986 } 1987 1988 // All good, persist the configuration. 1989 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_UNIFORM; 1990 mAutoSizeMinTextSizeInPx = autoSizeMinTextSizeInPx; 1991 mAutoSizeMaxTextSizeInPx = autoSizeMaxTextSizeInPx; 1992 mAutoSizeStepGranularityInPx = autoSizeStepGranularityInPx; 1993 mHasPresetAutoSizeValues = false; 1994 } 1995 1996 private void clearAutoSizeConfiguration() { 1997 mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE; 1998 mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 1999 mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 2000 mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE; 2001 mAutoSizeTextSizesInPx = EmptyArray.INT; 2002 mNeedsAutoSizeText = false; 2003 } 2004 2005 // Returns distinct sorted positive values. 2006 private int[] cleanupAutoSizePresetSizes(int[] presetValues) { 2007 final int presetValuesLength = presetValues.length; 2008 if (presetValuesLength == 0) { 2009 return presetValues; 2010 } 2011 Arrays.sort(presetValues); 2012 2013 final IntArray uniqueValidSizes = new IntArray(); 2014 for (int i = 0; i < presetValuesLength; i++) { 2015 final int currentPresetValue = presetValues[i]; 2016 2017 if (currentPresetValue > 0 2018 && uniqueValidSizes.binarySearch(currentPresetValue) < 0) { 2019 uniqueValidSizes.add(currentPresetValue); 2020 } 2021 } 2022 2023 return presetValuesLength == uniqueValidSizes.size() 2024 ? presetValues 2025 : uniqueValidSizes.toArray(); 2026 } 2027 2028 private boolean setupAutoSizeText() { 2029 if (supportsAutoSizeText() && mAutoSizeTextType == AUTO_SIZE_TEXT_TYPE_UNIFORM) { 2030 // Calculate the sizes set based on minimum size, maximum size and step size if we do 2031 // not have a predefined set of sizes or if the current sizes array is empty. 2032 if (!mHasPresetAutoSizeValues || mAutoSizeTextSizesInPx.length == 0) { 2033 int autoSizeValuesLength = 1; 2034 float currentSize = Math.round(mAutoSizeMinTextSizeInPx); 2035 while (Math.round(currentSize + mAutoSizeStepGranularityInPx) 2036 <= Math.round(mAutoSizeMaxTextSizeInPx)) { 2037 autoSizeValuesLength++; 2038 currentSize += mAutoSizeStepGranularityInPx; 2039 } 2040 2041 int[] autoSizeTextSizesInPx = new int[autoSizeValuesLength]; 2042 float sizeToAdd = mAutoSizeMinTextSizeInPx; 2043 for (int i = 0; i < autoSizeValuesLength; i++) { 2044 autoSizeTextSizesInPx[i] = Math.round(sizeToAdd); 2045 sizeToAdd += mAutoSizeStepGranularityInPx; 2046 } 2047 mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(autoSizeTextSizesInPx); 2048 } 2049 2050 mNeedsAutoSizeText = true; 2051 } else { 2052 mNeedsAutoSizeText = false; 2053 } 2054 2055 return mNeedsAutoSizeText; 2056 } 2057 2058 private int[] parseDimensionArray(TypedArray dimens) { 2059 if (dimens == null) { 2060 return null; 2061 } 2062 int[] result = new int[dimens.length()]; 2063 for (int i = 0; i < result.length; i++) { 2064 result[i] = dimens.getDimensionPixelSize(i, 0); 2065 } 2066 return result; 2067 } 2068 2069 /** 2070 * @hide 2071 */ 2072 @Override 2073 public void onActivityResult(int requestCode, int resultCode, Intent data) { 2074 if (requestCode == PROCESS_TEXT_REQUEST_CODE) { 2075 if (resultCode == Activity.RESULT_OK && data != null) { 2076 CharSequence result = data.getCharSequenceExtra(Intent.EXTRA_PROCESS_TEXT); 2077 if (result != null) { 2078 if (isTextEditable()) { 2079 replaceSelectionWithText(result); 2080 if (mEditor != null) { 2081 mEditor.refreshTextActionMode(); 2082 } 2083 } else { 2084 if (result.length() > 0) { 2085 Toast.makeText(getContext(), String.valueOf(result), Toast.LENGTH_LONG) 2086 .show(); 2087 } 2088 } 2089 } 2090 } else if (mText instanceof Spannable) { 2091 // Reset the selection. 2092 Selection.setSelection((Spannable) mText, getSelectionEnd()); 2093 } 2094 } 2095 } 2096 2097 private void setTypefaceFromAttrs(Typeface fontTypeface, String familyName, int typefaceIndex, 2098 int styleIndex) { 2099 Typeface tf = fontTypeface; 2100 if (tf == null && familyName != null) { 2101 tf = Typeface.create(familyName, styleIndex); 2102 } else if (tf != null && tf.getStyle() != styleIndex) { 2103 tf = Typeface.create(tf, styleIndex); 2104 } 2105 if (tf != null) { 2106 setTypeface(tf); 2107 return; 2108 } 2109 switch (typefaceIndex) { 2110 case SANS: 2111 tf = Typeface.SANS_SERIF; 2112 break; 2113 2114 case SERIF: 2115 tf = Typeface.SERIF; 2116 break; 2117 2118 case MONOSPACE: 2119 tf = Typeface.MONOSPACE; 2120 break; 2121 } 2122 2123 setTypeface(tf, styleIndex); 2124 } 2125 2126 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 2127 boolean hasRelativeDrawables = (start != null) || (end != null); 2128 if (hasRelativeDrawables) { 2129 Drawables dr = mDrawables; 2130 if (dr == null) { 2131 mDrawables = dr = new Drawables(getContext()); 2132 } 2133 mDrawables.mOverride = true; 2134 final Rect compoundRect = dr.mCompoundRect; 2135 int[] state = getDrawableState(); 2136 if (start != null) { 2137 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 2138 start.setState(state); 2139 start.copyBounds(compoundRect); 2140 start.setCallback(this); 2141 2142 dr.mDrawableStart = start; 2143 dr.mDrawableSizeStart = compoundRect.width(); 2144 dr.mDrawableHeightStart = compoundRect.height(); 2145 } else { 2146 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2147 } 2148 if (end != null) { 2149 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 2150 end.setState(state); 2151 end.copyBounds(compoundRect); 2152 end.setCallback(this); 2153 2154 dr.mDrawableEnd = end; 2155 dr.mDrawableSizeEnd = compoundRect.width(); 2156 dr.mDrawableHeightEnd = compoundRect.height(); 2157 } else { 2158 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2159 } 2160 resetResolvedDrawables(); 2161 resolveDrawables(); 2162 applyCompoundDrawableTint(); 2163 } 2164 } 2165 2166 @android.view.RemotableViewMethod 2167 @Override 2168 public void setEnabled(boolean enabled) { 2169 if (enabled == isEnabled()) { 2170 return; 2171 } 2172 2173 if (!enabled) { 2174 // Hide the soft input if the currently active TextView is disabled 2175 InputMethodManager imm = InputMethodManager.peekInstance(); 2176 if (imm != null && imm.isActive(this)) { 2177 imm.hideSoftInputFromWindow(getWindowToken(), 0); 2178 } 2179 } 2180 2181 super.setEnabled(enabled); 2182 2183 if (enabled) { 2184 // Make sure IME is updated with current editor info. 2185 InputMethodManager imm = InputMethodManager.peekInstance(); 2186 if (imm != null) imm.restartInput(this); 2187 } 2188 2189 // Will change text color 2190 if (mEditor != null) { 2191 mEditor.invalidateTextDisplayList(); 2192 mEditor.prepareCursorControllers(); 2193 2194 // start or stop the cursor blinking as appropriate 2195 mEditor.makeBlink(); 2196 } 2197 } 2198 2199 /** 2200 * Sets the typeface and style in which the text should be displayed, 2201 * and turns on the fake bold and italic bits in the Paint if the 2202 * Typeface that you provided does not have all the bits in the 2203 * style that you specified. 2204 * 2205 * @attr ref android.R.styleable#TextView_typeface 2206 * @attr ref android.R.styleable#TextView_textStyle 2207 */ 2208 public void setTypeface(Typeface tf, int style) { 2209 if (style > 0) { 2210 if (tf == null) { 2211 tf = Typeface.defaultFromStyle(style); 2212 } else { 2213 tf = Typeface.create(tf, style); 2214 } 2215 2216 setTypeface(tf); 2217 // now compute what (if any) algorithmic styling is needed 2218 int typefaceStyle = tf != null ? tf.getStyle() : 0; 2219 int need = style & ~typefaceStyle; 2220 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 2221 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 2222 } else { 2223 mTextPaint.setFakeBoldText(false); 2224 mTextPaint.setTextSkewX(0); 2225 setTypeface(tf); 2226 } 2227 } 2228 2229 /** 2230 * Subclasses override this to specify that they have a KeyListener 2231 * by default even if not specifically called for in the XML options. 2232 */ 2233 protected boolean getDefaultEditable() { 2234 return false; 2235 } 2236 2237 /** 2238 * Subclasses override this to specify a default movement method. 2239 */ 2240 protected MovementMethod getDefaultMovementMethod() { 2241 return null; 2242 } 2243 2244 /** 2245 * Return the text that TextView is displaying. If {@link #setText(CharSequence)} was called 2246 * with an argument of {@link android.widget.TextView.BufferType#SPANNABLE BufferType.SPANNABLE} 2247 * or {@link android.widget.TextView.BufferType#EDITABLE BufferType.EDITABLE}, you can cast 2248 * the return value from this method to Spannable or Editable, respectively. 2249 * 2250 * <p>The content of the return value should not be modified. If you want a modifiable one, you 2251 * should make your own copy first.</p> 2252 * 2253 * @return The text displayed by the text view. 2254 * @attr ref android.R.styleable#TextView_text 2255 */ 2256 @ViewDebug.CapturedViewProperty 2257 public CharSequence getText() { 2258 return mText; 2259 } 2260 2261 /** 2262 * Returns the length, in characters, of the text managed by this TextView 2263 * @return The length of the text managed by the TextView in characters. 2264 */ 2265 public int length() { 2266 return mText.length(); 2267 } 2268 2269 /** 2270 * Return the text that TextView is displaying as an Editable object. If the text is not 2271 * editable, null is returned. 2272 * 2273 * @see #getText 2274 */ 2275 public Editable getEditableText() { 2276 return (mText instanceof Editable) ? (Editable) mText : null; 2277 } 2278 2279 /** 2280 * Gets the vertical distance between lines of text, in pixels. 2281 * Note that markup within the text can cause individual lines 2282 * to be taller or shorter than this height, and the layout may 2283 * contain additional first-or last-line padding. 2284 * @return The height of one standard line in pixels. 2285 */ 2286 public int getLineHeight() { 2287 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 2288 } 2289 2290 /** 2291 * Gets the {@link android.text.Layout} that is currently being used to display the text. 2292 * This value can be null if the text or width has recently changed. 2293 * @return The Layout that is currently being used to display the text. 2294 */ 2295 public final Layout getLayout() { 2296 return mLayout; 2297 } 2298 2299 /** 2300 * @return the {@link android.text.Layout} that is currently being used to 2301 * display the hint text. This can be null. 2302 */ 2303 final Layout getHintLayout() { 2304 return mHintLayout; 2305 } 2306 2307 /** 2308 * Retrieve the {@link android.content.UndoManager} that is currently associated 2309 * with this TextView. By default there is no associated UndoManager, so null 2310 * is returned. One can be associated with the TextView through 2311 * {@link #setUndoManager(android.content.UndoManager, String)} 2312 * 2313 * @hide 2314 */ 2315 public final UndoManager getUndoManager() { 2316 // TODO: Consider supporting a global undo manager. 2317 throw new UnsupportedOperationException("not implemented"); 2318 } 2319 2320 2321 /** 2322 * @hide 2323 */ 2324 @VisibleForTesting 2325 public final Editor getEditorForTesting() { 2326 return mEditor; 2327 } 2328 2329 /** 2330 * Associate an {@link android.content.UndoManager} with this TextView. Once 2331 * done, all edit operations on the TextView will result in appropriate 2332 * {@link android.content.UndoOperation} objects pushed on the given UndoManager's 2333 * stack. 2334 * 2335 * @param undoManager The {@link android.content.UndoManager} to associate with 2336 * this TextView, or null to clear any existing association. 2337 * @param tag String tag identifying this particular TextView owner in the 2338 * UndoManager. This is used to keep the correct association with the 2339 * {@link android.content.UndoOwner} of any operations inside of the UndoManager. 2340 * 2341 * @hide 2342 */ 2343 public final void setUndoManager(UndoManager undoManager, String tag) { 2344 // TODO: Consider supporting a global undo manager. An implementation will need to: 2345 // * createEditorIfNeeded() 2346 // * Promote to BufferType.EDITABLE if needed. 2347 // * Update the UndoManager and UndoOwner. 2348 // Likewise it will need to be able to restore the default UndoManager. 2349 throw new UnsupportedOperationException("not implemented"); 2350 } 2351 2352 /** 2353 * Gets the current {@link KeyListener} for the TextView. 2354 * This will frequently be null for non-EditText TextViews. 2355 * @return the current key listener for this TextView. 2356 * 2357 * @attr ref android.R.styleable#TextView_numeric 2358 * @attr ref android.R.styleable#TextView_digits 2359 * @attr ref android.R.styleable#TextView_phoneNumber 2360 * @attr ref android.R.styleable#TextView_inputMethod 2361 * @attr ref android.R.styleable#TextView_capitalize 2362 * @attr ref android.R.styleable#TextView_autoText 2363 */ 2364 public final KeyListener getKeyListener() { 2365 return mEditor == null ? null : mEditor.mKeyListener; 2366 } 2367 2368 /** 2369 * Sets the key listener to be used with this TextView. This can be null 2370 * to disallow user input. Note that this method has significant and 2371 * subtle interactions with soft keyboards and other input method: 2372 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 2373 * for important details. Calling this method will replace the current 2374 * content type of the text view with the content type returned by the 2375 * key listener. 2376 * <p> 2377 * Be warned that if you want a TextView with a key listener or movement 2378 * method not to be focusable, or if you want a TextView without a 2379 * key listener or movement method to be focusable, you must call 2380 * {@link #setFocusable} again after calling this to get the focusability 2381 * back the way you want it. 2382 * 2383 * @attr ref android.R.styleable#TextView_numeric 2384 * @attr ref android.R.styleable#TextView_digits 2385 * @attr ref android.R.styleable#TextView_phoneNumber 2386 * @attr ref android.R.styleable#TextView_inputMethod 2387 * @attr ref android.R.styleable#TextView_capitalize 2388 * @attr ref android.R.styleable#TextView_autoText 2389 */ 2390 public void setKeyListener(KeyListener input) { 2391 mListenerChanged = true; 2392 setKeyListenerOnly(input); 2393 fixFocusableAndClickableSettings(); 2394 2395 if (input != null) { 2396 createEditorIfNeeded(); 2397 setInputTypeFromEditor(); 2398 } else { 2399 if (mEditor != null) mEditor.mInputType = EditorInfo.TYPE_NULL; 2400 } 2401 2402 InputMethodManager imm = InputMethodManager.peekInstance(); 2403 if (imm != null) imm.restartInput(this); 2404 } 2405 2406 private void setInputTypeFromEditor() { 2407 try { 2408 mEditor.mInputType = mEditor.mKeyListener.getInputType(); 2409 } catch (IncompatibleClassChangeError e) { 2410 mEditor.mInputType = EditorInfo.TYPE_CLASS_TEXT; 2411 } 2412 // Change inputType, without affecting transformation. 2413 // No need to applySingleLine since mSingleLine is unchanged. 2414 setInputTypeSingleLine(mSingleLine); 2415 } 2416 2417 private void setKeyListenerOnly(KeyListener input) { 2418 if (mEditor == null && input == null) return; // null is the default value 2419 2420 createEditorIfNeeded(); 2421 if (mEditor.mKeyListener != input) { 2422 mEditor.mKeyListener = input; 2423 if (input != null && !(mText instanceof Editable)) { 2424 setText(mText); 2425 } 2426 2427 setFilters((Editable) mText, mFilters); 2428 } 2429 } 2430 2431 /** 2432 * Gets the {@link android.text.method.MovementMethod} being used for this TextView, 2433 * which provides positioning, scrolling, and text selection functionality. 2434 * This will frequently be null for non-EditText TextViews. 2435 * @return the movement method being used for this TextView. 2436 * @see android.text.method.MovementMethod 2437 */ 2438 public final MovementMethod getMovementMethod() { 2439 return mMovement; 2440 } 2441 2442 /** 2443 * Sets the {@link android.text.method.MovementMethod} for handling arrow key movement 2444 * for this TextView. This can be null to disallow using the arrow keys to move the 2445 * cursor or scroll the view. 2446 * <p> 2447 * Be warned that if you want a TextView with a key listener or movement 2448 * method not to be focusable, or if you want a TextView without a 2449 * key listener or movement method to be focusable, you must call 2450 * {@link #setFocusable} again after calling this to get the focusability 2451 * back the way you want it. 2452 */ 2453 public final void setMovementMethod(MovementMethod movement) { 2454 if (mMovement != movement) { 2455 mMovement = movement; 2456 2457 if (movement != null && !(mText instanceof Spannable)) { 2458 setText(mText); 2459 } 2460 2461 fixFocusableAndClickableSettings(); 2462 2463 // SelectionModifierCursorController depends on textCanBeSelected, which depends on 2464 // mMovement 2465 if (mEditor != null) mEditor.prepareCursorControllers(); 2466 } 2467 } 2468 2469 private void fixFocusableAndClickableSettings() { 2470 if (mMovement != null || (mEditor != null && mEditor.mKeyListener != null)) { 2471 setFocusable(FOCUSABLE); 2472 setClickable(true); 2473 setLongClickable(true); 2474 } else { 2475 setFocusable(FOCUSABLE_AUTO); 2476 setClickable(false); 2477 setLongClickable(false); 2478 } 2479 } 2480 2481 /** 2482 * Gets the current {@link android.text.method.TransformationMethod} for the TextView. 2483 * This is frequently null, except for single-line and password fields. 2484 * @return the current transformation method for this TextView. 2485 * 2486 * @attr ref android.R.styleable#TextView_password 2487 * @attr ref android.R.styleable#TextView_singleLine 2488 */ 2489 public final TransformationMethod getTransformationMethod() { 2490 return mTransformation; 2491 } 2492 2493 /** 2494 * Sets the transformation that is applied to the text that this 2495 * TextView is displaying. 2496 * 2497 * @attr ref android.R.styleable#TextView_password 2498 * @attr ref android.R.styleable#TextView_singleLine 2499 */ 2500 public final void setTransformationMethod(TransformationMethod method) { 2501 if (method == mTransformation) { 2502 // Avoid the setText() below if the transformation is 2503 // the same. 2504 return; 2505 } 2506 if (mTransformation != null) { 2507 if (mText instanceof Spannable) { 2508 ((Spannable) mText).removeSpan(mTransformation); 2509 } 2510 } 2511 2512 mTransformation = method; 2513 2514 if (method instanceof TransformationMethod2) { 2515 TransformationMethod2 method2 = (TransformationMethod2) method; 2516 mAllowTransformationLengthChange = !isTextSelectable() && !(mText instanceof Editable); 2517 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 2518 } else { 2519 mAllowTransformationLengthChange = false; 2520 } 2521 2522 setText(mText); 2523 2524 if (hasPasswordTransformationMethod()) { 2525 notifyViewAccessibilityStateChangedIfNeeded( 2526 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 2527 } 2528 2529 // PasswordTransformationMethod always have LTR text direction heuristics returned by 2530 // getTextDirectionHeuristic, needs reset 2531 mTextDir = getTextDirectionHeuristic(); 2532 } 2533 2534 /** 2535 * Returns the top padding of the view, plus space for the top 2536 * Drawable if any. 2537 */ 2538 public int getCompoundPaddingTop() { 2539 final Drawables dr = mDrawables; 2540 if (dr == null || dr.mShowing[Drawables.TOP] == null) { 2541 return mPaddingTop; 2542 } else { 2543 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 2544 } 2545 } 2546 2547 /** 2548 * Returns the bottom padding of the view, plus space for the bottom 2549 * Drawable if any. 2550 */ 2551 public int getCompoundPaddingBottom() { 2552 final Drawables dr = mDrawables; 2553 if (dr == null || dr.mShowing[Drawables.BOTTOM] == null) { 2554 return mPaddingBottom; 2555 } else { 2556 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 2557 } 2558 } 2559 2560 /** 2561 * Returns the left padding of the view, plus space for the left 2562 * Drawable if any. 2563 */ 2564 public int getCompoundPaddingLeft() { 2565 final Drawables dr = mDrawables; 2566 if (dr == null || dr.mShowing[Drawables.LEFT] == null) { 2567 return mPaddingLeft; 2568 } else { 2569 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 2570 } 2571 } 2572 2573 /** 2574 * Returns the right padding of the view, plus space for the right 2575 * Drawable if any. 2576 */ 2577 public int getCompoundPaddingRight() { 2578 final Drawables dr = mDrawables; 2579 if (dr == null || dr.mShowing[Drawables.RIGHT] == null) { 2580 return mPaddingRight; 2581 } else { 2582 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 2583 } 2584 } 2585 2586 /** 2587 * Returns the start padding of the view, plus space for the start 2588 * Drawable if any. 2589 */ 2590 public int getCompoundPaddingStart() { 2591 resolveDrawables(); 2592 switch(getLayoutDirection()) { 2593 default: 2594 case LAYOUT_DIRECTION_LTR: 2595 return getCompoundPaddingLeft(); 2596 case LAYOUT_DIRECTION_RTL: 2597 return getCompoundPaddingRight(); 2598 } 2599 } 2600 2601 /** 2602 * Returns the end padding of the view, plus space for the end 2603 * Drawable if any. 2604 */ 2605 public int getCompoundPaddingEnd() { 2606 resolveDrawables(); 2607 switch(getLayoutDirection()) { 2608 default: 2609 case LAYOUT_DIRECTION_LTR: 2610 return getCompoundPaddingRight(); 2611 case LAYOUT_DIRECTION_RTL: 2612 return getCompoundPaddingLeft(); 2613 } 2614 } 2615 2616 /** 2617 * Returns the extended top padding of the view, including both the 2618 * top Drawable if any and any extra space to keep more than maxLines 2619 * of text from showing. It is only valid to call this after measuring. 2620 */ 2621 public int getExtendedPaddingTop() { 2622 if (mMaxMode != LINES) { 2623 return getCompoundPaddingTop(); 2624 } 2625 2626 if (mLayout == null) { 2627 assumeLayout(); 2628 } 2629 2630 if (mLayout.getLineCount() <= mMaximum) { 2631 return getCompoundPaddingTop(); 2632 } 2633 2634 int top = getCompoundPaddingTop(); 2635 int bottom = getCompoundPaddingBottom(); 2636 int viewht = getHeight() - top - bottom; 2637 int layoutht = mLayout.getLineTop(mMaximum); 2638 2639 if (layoutht >= viewht) { 2640 return top; 2641 } 2642 2643 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2644 if (gravity == Gravity.TOP) { 2645 return top; 2646 } else if (gravity == Gravity.BOTTOM) { 2647 return top + viewht - layoutht; 2648 } else { // (gravity == Gravity.CENTER_VERTICAL) 2649 return top + (viewht - layoutht) / 2; 2650 } 2651 } 2652 2653 /** 2654 * Returns the extended bottom padding of the view, including both the 2655 * bottom Drawable if any and any extra space to keep more than maxLines 2656 * of text from showing. It is only valid to call this after measuring. 2657 */ 2658 public int getExtendedPaddingBottom() { 2659 if (mMaxMode != LINES) { 2660 return getCompoundPaddingBottom(); 2661 } 2662 2663 if (mLayout == null) { 2664 assumeLayout(); 2665 } 2666 2667 if (mLayout.getLineCount() <= mMaximum) { 2668 return getCompoundPaddingBottom(); 2669 } 2670 2671 int top = getCompoundPaddingTop(); 2672 int bottom = getCompoundPaddingBottom(); 2673 int viewht = getHeight() - top - bottom; 2674 int layoutht = mLayout.getLineTop(mMaximum); 2675 2676 if (layoutht >= viewht) { 2677 return bottom; 2678 } 2679 2680 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 2681 if (gravity == Gravity.TOP) { 2682 return bottom + viewht - layoutht; 2683 } else if (gravity == Gravity.BOTTOM) { 2684 return bottom; 2685 } else { // (gravity == Gravity.CENTER_VERTICAL) 2686 return bottom + (viewht - layoutht) / 2; 2687 } 2688 } 2689 2690 /** 2691 * Returns the total left padding of the view, including the left 2692 * Drawable if any. 2693 */ 2694 public int getTotalPaddingLeft() { 2695 return getCompoundPaddingLeft(); 2696 } 2697 2698 /** 2699 * Returns the total right padding of the view, including the right 2700 * Drawable if any. 2701 */ 2702 public int getTotalPaddingRight() { 2703 return getCompoundPaddingRight(); 2704 } 2705 2706 /** 2707 * Returns the total start padding of the view, including the start 2708 * Drawable if any. 2709 */ 2710 public int getTotalPaddingStart() { 2711 return getCompoundPaddingStart(); 2712 } 2713 2714 /** 2715 * Returns the total end padding of the view, including the end 2716 * Drawable if any. 2717 */ 2718 public int getTotalPaddingEnd() { 2719 return getCompoundPaddingEnd(); 2720 } 2721 2722 /** 2723 * Returns the total top padding of the view, including the top 2724 * Drawable if any, the extra space to keep more than maxLines 2725 * from showing, and the vertical offset for gravity, if any. 2726 */ 2727 public int getTotalPaddingTop() { 2728 return getExtendedPaddingTop() + getVerticalOffset(true); 2729 } 2730 2731 /** 2732 * Returns the total bottom padding of the view, including the bottom 2733 * Drawable if any, the extra space to keep more than maxLines 2734 * from showing, and the vertical offset for gravity, if any. 2735 */ 2736 public int getTotalPaddingBottom() { 2737 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 2738 } 2739 2740 /** 2741 * Sets the Drawables (if any) to appear to the left of, above, to the 2742 * right of, and below the text. Use {@code null} if you do not want a 2743 * Drawable there. The Drawables must already have had 2744 * {@link Drawable#setBounds} called. 2745 * <p> 2746 * Calling this method will overwrite any Drawables previously set using 2747 * {@link #setCompoundDrawablesRelative} or related methods. 2748 * 2749 * @attr ref android.R.styleable#TextView_drawableLeft 2750 * @attr ref android.R.styleable#TextView_drawableTop 2751 * @attr ref android.R.styleable#TextView_drawableRight 2752 * @attr ref android.R.styleable#TextView_drawableBottom 2753 */ 2754 public void setCompoundDrawables(@Nullable Drawable left, @Nullable Drawable top, 2755 @Nullable Drawable right, @Nullable Drawable bottom) { 2756 Drawables dr = mDrawables; 2757 2758 // We're switching to absolute, discard relative. 2759 if (dr != null) { 2760 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2761 dr.mDrawableStart = null; 2762 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 2763 dr.mDrawableEnd = null; 2764 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2765 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2766 } 2767 2768 final boolean drawables = left != null || top != null || right != null || bottom != null; 2769 if (!drawables) { 2770 // Clearing drawables... can we free the data structure? 2771 if (dr != null) { 2772 if (!dr.hasMetadata()) { 2773 mDrawables = null; 2774 } else { 2775 // We need to retain the last set padding, so just clear 2776 // out all of the fields in the existing structure. 2777 for (int i = dr.mShowing.length - 1; i >= 0; i--) { 2778 if (dr.mShowing[i] != null) { 2779 dr.mShowing[i].setCallback(null); 2780 } 2781 dr.mShowing[i] = null; 2782 } 2783 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2784 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2785 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2786 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2787 } 2788 } 2789 } else { 2790 if (dr == null) { 2791 mDrawables = dr = new Drawables(getContext()); 2792 } 2793 2794 mDrawables.mOverride = false; 2795 2796 if (dr.mShowing[Drawables.LEFT] != left && dr.mShowing[Drawables.LEFT] != null) { 2797 dr.mShowing[Drawables.LEFT].setCallback(null); 2798 } 2799 dr.mShowing[Drawables.LEFT] = left; 2800 2801 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 2802 dr.mShowing[Drawables.TOP].setCallback(null); 2803 } 2804 dr.mShowing[Drawables.TOP] = top; 2805 2806 if (dr.mShowing[Drawables.RIGHT] != right && dr.mShowing[Drawables.RIGHT] != null) { 2807 dr.mShowing[Drawables.RIGHT].setCallback(null); 2808 } 2809 dr.mShowing[Drawables.RIGHT] = right; 2810 2811 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 2812 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2813 } 2814 dr.mShowing[Drawables.BOTTOM] = bottom; 2815 2816 final Rect compoundRect = dr.mCompoundRect; 2817 int[] state; 2818 2819 state = getDrawableState(); 2820 2821 if (left != null) { 2822 left.setState(state); 2823 left.copyBounds(compoundRect); 2824 left.setCallback(this); 2825 dr.mDrawableSizeLeft = compoundRect.width(); 2826 dr.mDrawableHeightLeft = compoundRect.height(); 2827 } else { 2828 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2829 } 2830 2831 if (right != null) { 2832 right.setState(state); 2833 right.copyBounds(compoundRect); 2834 right.setCallback(this); 2835 dr.mDrawableSizeRight = compoundRect.width(); 2836 dr.mDrawableHeightRight = compoundRect.height(); 2837 } else { 2838 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2839 } 2840 2841 if (top != null) { 2842 top.setState(state); 2843 top.copyBounds(compoundRect); 2844 top.setCallback(this); 2845 dr.mDrawableSizeTop = compoundRect.height(); 2846 dr.mDrawableWidthTop = compoundRect.width(); 2847 } else { 2848 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2849 } 2850 2851 if (bottom != null) { 2852 bottom.setState(state); 2853 bottom.copyBounds(compoundRect); 2854 bottom.setCallback(this); 2855 dr.mDrawableSizeBottom = compoundRect.height(); 2856 dr.mDrawableWidthBottom = compoundRect.width(); 2857 } else { 2858 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2859 } 2860 } 2861 2862 // Save initial left/right drawables 2863 if (dr != null) { 2864 dr.mDrawableLeftInitial = left; 2865 dr.mDrawableRightInitial = right; 2866 } 2867 2868 resetResolvedDrawables(); 2869 resolveDrawables(); 2870 applyCompoundDrawableTint(); 2871 invalidate(); 2872 requestLayout(); 2873 } 2874 2875 /** 2876 * Sets the Drawables (if any) to appear to the left of, above, to the 2877 * right of, and below the text. Use 0 if you do not want a Drawable there. 2878 * The Drawables' bounds will be set to their intrinsic bounds. 2879 * <p> 2880 * Calling this method will overwrite any Drawables previously set using 2881 * {@link #setCompoundDrawablesRelative} or related methods. 2882 * 2883 * @param left Resource identifier of the left Drawable. 2884 * @param top Resource identifier of the top Drawable. 2885 * @param right Resource identifier of the right Drawable. 2886 * @param bottom Resource identifier of the bottom Drawable. 2887 * 2888 * @attr ref android.R.styleable#TextView_drawableLeft 2889 * @attr ref android.R.styleable#TextView_drawableTop 2890 * @attr ref android.R.styleable#TextView_drawableRight 2891 * @attr ref android.R.styleable#TextView_drawableBottom 2892 */ 2893 @android.view.RemotableViewMethod 2894 public void setCompoundDrawablesWithIntrinsicBounds(@DrawableRes int left, 2895 @DrawableRes int top, @DrawableRes int right, @DrawableRes int bottom) { 2896 final Context context = getContext(); 2897 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? context.getDrawable(left) : null, 2898 top != 0 ? context.getDrawable(top) : null, 2899 right != 0 ? context.getDrawable(right) : null, 2900 bottom != 0 ? context.getDrawable(bottom) : null); 2901 } 2902 2903 /** 2904 * Sets the Drawables (if any) to appear to the left of, above, to the 2905 * right of, and below the text. Use {@code null} if you do not want a 2906 * Drawable there. The Drawables' bounds will be set to their intrinsic 2907 * bounds. 2908 * <p> 2909 * Calling this method will overwrite any Drawables previously set using 2910 * {@link #setCompoundDrawablesRelative} or related methods. 2911 * 2912 * @attr ref android.R.styleable#TextView_drawableLeft 2913 * @attr ref android.R.styleable#TextView_drawableTop 2914 * @attr ref android.R.styleable#TextView_drawableRight 2915 * @attr ref android.R.styleable#TextView_drawableBottom 2916 */ 2917 @android.view.RemotableViewMethod 2918 public void setCompoundDrawablesWithIntrinsicBounds(@Nullable Drawable left, 2919 @Nullable Drawable top, @Nullable Drawable right, @Nullable Drawable bottom) { 2920 2921 if (left != null) { 2922 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 2923 } 2924 if (right != null) { 2925 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 2926 } 2927 if (top != null) { 2928 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 2929 } 2930 if (bottom != null) { 2931 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2932 } 2933 setCompoundDrawables(left, top, right, bottom); 2934 } 2935 2936 /** 2937 * Sets the Drawables (if any) to appear to the start of, above, to the end 2938 * of, and below the text. Use {@code null} if you do not want a Drawable 2939 * there. The Drawables must already have had {@link Drawable#setBounds} 2940 * called. 2941 * <p> 2942 * Calling this method will overwrite any Drawables previously set using 2943 * {@link #setCompoundDrawables} or related methods. 2944 * 2945 * @attr ref android.R.styleable#TextView_drawableStart 2946 * @attr ref android.R.styleable#TextView_drawableTop 2947 * @attr ref android.R.styleable#TextView_drawableEnd 2948 * @attr ref android.R.styleable#TextView_drawableBottom 2949 */ 2950 @android.view.RemotableViewMethod 2951 public void setCompoundDrawablesRelative(@Nullable Drawable start, @Nullable Drawable top, 2952 @Nullable Drawable end, @Nullable Drawable bottom) { 2953 Drawables dr = mDrawables; 2954 2955 // We're switching to relative, discard absolute. 2956 if (dr != null) { 2957 if (dr.mShowing[Drawables.LEFT] != null) { 2958 dr.mShowing[Drawables.LEFT].setCallback(null); 2959 } 2960 dr.mShowing[Drawables.LEFT] = dr.mDrawableLeftInitial = null; 2961 if (dr.mShowing[Drawables.RIGHT] != null) { 2962 dr.mShowing[Drawables.RIGHT].setCallback(null); 2963 } 2964 dr.mShowing[Drawables.RIGHT] = dr.mDrawableRightInitial = null; 2965 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 2966 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 2967 } 2968 2969 final boolean drawables = start != null || top != null 2970 || end != null || bottom != null; 2971 2972 if (!drawables) { 2973 // Clearing drawables... can we free the data structure? 2974 if (dr != null) { 2975 if (!dr.hasMetadata()) { 2976 mDrawables = null; 2977 } else { 2978 // We need to retain the last set padding, so just clear 2979 // out all of the fields in the existing structure. 2980 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 2981 dr.mDrawableStart = null; 2982 if (dr.mShowing[Drawables.TOP] != null) { 2983 dr.mShowing[Drawables.TOP].setCallback(null); 2984 } 2985 dr.mShowing[Drawables.TOP] = null; 2986 if (dr.mDrawableEnd != null) { 2987 dr.mDrawableEnd.setCallback(null); 2988 } 2989 dr.mDrawableEnd = null; 2990 if (dr.mShowing[Drawables.BOTTOM] != null) { 2991 dr.mShowing[Drawables.BOTTOM].setCallback(null); 2992 } 2993 dr.mShowing[Drawables.BOTTOM] = null; 2994 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 2995 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 2996 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 2997 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 2998 } 2999 } 3000 } else { 3001 if (dr == null) { 3002 mDrawables = dr = new Drawables(getContext()); 3003 } 3004 3005 mDrawables.mOverride = true; 3006 3007 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 3008 dr.mDrawableStart.setCallback(null); 3009 } 3010 dr.mDrawableStart = start; 3011 3012 if (dr.mShowing[Drawables.TOP] != top && dr.mShowing[Drawables.TOP] != null) { 3013 dr.mShowing[Drawables.TOP].setCallback(null); 3014 } 3015 dr.mShowing[Drawables.TOP] = top; 3016 3017 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 3018 dr.mDrawableEnd.setCallback(null); 3019 } 3020 dr.mDrawableEnd = end; 3021 3022 if (dr.mShowing[Drawables.BOTTOM] != bottom && dr.mShowing[Drawables.BOTTOM] != null) { 3023 dr.mShowing[Drawables.BOTTOM].setCallback(null); 3024 } 3025 dr.mShowing[Drawables.BOTTOM] = bottom; 3026 3027 final Rect compoundRect = dr.mCompoundRect; 3028 int[] state; 3029 3030 state = getDrawableState(); 3031 3032 if (start != null) { 3033 start.setState(state); 3034 start.copyBounds(compoundRect); 3035 start.setCallback(this); 3036 dr.mDrawableSizeStart = compoundRect.width(); 3037 dr.mDrawableHeightStart = compoundRect.height(); 3038 } else { 3039 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 3040 } 3041 3042 if (end != null) { 3043 end.setState(state); 3044 end.copyBounds(compoundRect); 3045 end.setCallback(this); 3046 dr.mDrawableSizeEnd = compoundRect.width(); 3047 dr.mDrawableHeightEnd = compoundRect.height(); 3048 } else { 3049 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 3050 } 3051 3052 if (top != null) { 3053 top.setState(state); 3054 top.copyBounds(compoundRect); 3055 top.setCallback(this); 3056 dr.mDrawableSizeTop = compoundRect.height(); 3057 dr.mDrawableWidthTop = compoundRect.width(); 3058 } else { 3059 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 3060 } 3061 3062 if (bottom != null) { 3063 bottom.setState(state); 3064 bottom.copyBounds(compoundRect); 3065 bottom.setCallback(this); 3066 dr.mDrawableSizeBottom = compoundRect.height(); 3067 dr.mDrawableWidthBottom = compoundRect.width(); 3068 } else { 3069 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 3070 } 3071 } 3072 3073 resetResolvedDrawables(); 3074 resolveDrawables(); 3075 invalidate(); 3076 requestLayout(); 3077 } 3078 3079 /** 3080 * Sets the Drawables (if any) to appear to the start of, above, to the end 3081 * of, and below the text. Use 0 if you do not want a Drawable there. The 3082 * Drawables' bounds will be set to their intrinsic bounds. 3083 * <p> 3084 * Calling this method will overwrite any Drawables previously set using 3085 * {@link #setCompoundDrawables} or related methods. 3086 * 3087 * @param start Resource identifier of the start Drawable. 3088 * @param top Resource identifier of the top Drawable. 3089 * @param end Resource identifier of the end Drawable. 3090 * @param bottom Resource identifier of the bottom Drawable. 3091 * 3092 * @attr ref android.R.styleable#TextView_drawableStart 3093 * @attr ref android.R.styleable#TextView_drawableTop 3094 * @attr ref android.R.styleable#TextView_drawableEnd 3095 * @attr ref android.R.styleable#TextView_drawableBottom 3096 */ 3097 @android.view.RemotableViewMethod 3098 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@DrawableRes int start, 3099 @DrawableRes int top, @DrawableRes int end, @DrawableRes int bottom) { 3100 final Context context = getContext(); 3101 setCompoundDrawablesRelativeWithIntrinsicBounds( 3102 start != 0 ? context.getDrawable(start) : null, 3103 top != 0 ? context.getDrawable(top) : null, 3104 end != 0 ? context.getDrawable(end) : null, 3105 bottom != 0 ? context.getDrawable(bottom) : null); 3106 } 3107 3108 /** 3109 * Sets the Drawables (if any) to appear to the start of, above, to the end 3110 * of, and below the text. Use {@code null} if you do not want a Drawable 3111 * there. The Drawables' bounds will be set to their intrinsic bounds. 3112 * <p> 3113 * Calling this method will overwrite any Drawables previously set using 3114 * {@link #setCompoundDrawables} or related methods. 3115 * 3116 * @attr ref android.R.styleable#TextView_drawableStart 3117 * @attr ref android.R.styleable#TextView_drawableTop 3118 * @attr ref android.R.styleable#TextView_drawableEnd 3119 * @attr ref android.R.styleable#TextView_drawableBottom 3120 */ 3121 @android.view.RemotableViewMethod 3122 public void setCompoundDrawablesRelativeWithIntrinsicBounds(@Nullable Drawable start, 3123 @Nullable Drawable top, @Nullable Drawable end, @Nullable Drawable bottom) { 3124 3125 if (start != null) { 3126 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 3127 } 3128 if (end != null) { 3129 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 3130 } 3131 if (top != null) { 3132 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 3133 } 3134 if (bottom != null) { 3135 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 3136 } 3137 setCompoundDrawablesRelative(start, top, end, bottom); 3138 } 3139 3140 /** 3141 * Returns drawables for the left, top, right, and bottom borders. 3142 * 3143 * @attr ref android.R.styleable#TextView_drawableLeft 3144 * @attr ref android.R.styleable#TextView_drawableTop 3145 * @attr ref android.R.styleable#TextView_drawableRight 3146 * @attr ref android.R.styleable#TextView_drawableBottom 3147 */ 3148 @NonNull 3149 public Drawable[] getCompoundDrawables() { 3150 final Drawables dr = mDrawables; 3151 if (dr != null) { 3152 return dr.mShowing.clone(); 3153 } else { 3154 return new Drawable[] { null, null, null, null }; 3155 } 3156 } 3157 3158 /** 3159 * Returns drawables for the start, top, end, and bottom borders. 3160 * 3161 * @attr ref android.R.styleable#TextView_drawableStart 3162 * @attr ref android.R.styleable#TextView_drawableTop 3163 * @attr ref android.R.styleable#TextView_drawableEnd 3164 * @attr ref android.R.styleable#TextView_drawableBottom 3165 */ 3166 @NonNull 3167 public Drawable[] getCompoundDrawablesRelative() { 3168 final Drawables dr = mDrawables; 3169 if (dr != null) { 3170 return new Drawable[] { 3171 dr.mDrawableStart, dr.mShowing[Drawables.TOP], 3172 dr.mDrawableEnd, dr.mShowing[Drawables.BOTTOM] 3173 }; 3174 } else { 3175 return new Drawable[] { null, null, null, null }; 3176 } 3177 } 3178 3179 /** 3180 * Sets the size of the padding between the compound drawables and 3181 * the text. 3182 * 3183 * @attr ref android.R.styleable#TextView_drawablePadding 3184 */ 3185 @android.view.RemotableViewMethod 3186 public void setCompoundDrawablePadding(int pad) { 3187 Drawables dr = mDrawables; 3188 if (pad == 0) { 3189 if (dr != null) { 3190 dr.mDrawablePadding = pad; 3191 } 3192 } else { 3193 if (dr == null) { 3194 mDrawables = dr = new Drawables(getContext()); 3195 } 3196 dr.mDrawablePadding = pad; 3197 } 3198 3199 invalidate(); 3200 requestLayout(); 3201 } 3202 3203 /** 3204 * Returns the padding between the compound drawables and the text. 3205 * 3206 * @attr ref android.R.styleable#TextView_drawablePadding 3207 */ 3208 public int getCompoundDrawablePadding() { 3209 final Drawables dr = mDrawables; 3210 return dr != null ? dr.mDrawablePadding : 0; 3211 } 3212 3213 /** 3214 * Applies a tint to the compound drawables. Does not modify the 3215 * current tint mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 3216 * <p> 3217 * Subsequent calls to 3218 * {@link #setCompoundDrawables(Drawable, Drawable, Drawable, Drawable)} 3219 * and related methods will automatically mutate the drawables and apply 3220 * the specified tint and tint mode using 3221 * {@link Drawable#setTintList(ColorStateList)}. 3222 * 3223 * @param tint the tint to apply, may be {@code null} to clear tint 3224 * 3225 * @attr ref android.R.styleable#TextView_drawableTint 3226 * @see #getCompoundDrawableTintList() 3227 * @see Drawable#setTintList(ColorStateList) 3228 */ 3229 public void setCompoundDrawableTintList(@Nullable ColorStateList tint) { 3230 if (mDrawables == null) { 3231 mDrawables = new Drawables(getContext()); 3232 } 3233 mDrawables.mTintList = tint; 3234 mDrawables.mHasTint = true; 3235 3236 applyCompoundDrawableTint(); 3237 } 3238 3239 /** 3240 * @return the tint applied to the compound drawables 3241 * @attr ref android.R.styleable#TextView_drawableTint 3242 * @see #setCompoundDrawableTintList(ColorStateList) 3243 */ 3244 public ColorStateList getCompoundDrawableTintList() { 3245 return mDrawables != null ? mDrawables.mTintList : null; 3246 } 3247 3248 /** 3249 * Specifies the blending mode used to apply the tint specified by 3250 * {@link #setCompoundDrawableTintList(ColorStateList)} to the compound 3251 * drawables. The default mode is {@link PorterDuff.Mode#SRC_IN}. 3252 * 3253 * @param tintMode the blending mode used to apply the tint, may be 3254 * {@code null} to clear tint 3255 * @attr ref android.R.styleable#TextView_drawableTintMode 3256 * @see #setCompoundDrawableTintList(ColorStateList) 3257 * @see Drawable#setTintMode(PorterDuff.Mode) 3258 */ 3259 public void setCompoundDrawableTintMode(@Nullable PorterDuff.Mode tintMode) { 3260 if (mDrawables == null) { 3261 mDrawables = new Drawables(getContext()); 3262 } 3263 mDrawables.mTintMode = tintMode; 3264 mDrawables.mHasTintMode = true; 3265 3266 applyCompoundDrawableTint(); 3267 } 3268 3269 /** 3270 * Returns the blending mode used to apply the tint to the compound 3271 * drawables, if specified. 3272 * 3273 * @return the blending mode used to apply the tint to the compound 3274 * drawables 3275 * @attr ref android.R.styleable#TextView_drawableTintMode 3276 * @see #setCompoundDrawableTintMode(PorterDuff.Mode) 3277 */ 3278 public PorterDuff.Mode getCompoundDrawableTintMode() { 3279 return mDrawables != null ? mDrawables.mTintMode : null; 3280 } 3281 3282 private void applyCompoundDrawableTint() { 3283 if (mDrawables == null) { 3284 return; 3285 } 3286 3287 if (mDrawables.mHasTint || mDrawables.mHasTintMode) { 3288 final ColorStateList tintList = mDrawables.mTintList; 3289 final PorterDuff.Mode tintMode = mDrawables.mTintMode; 3290 final boolean hasTint = mDrawables.mHasTint; 3291 final boolean hasTintMode = mDrawables.mHasTintMode; 3292 final int[] state = getDrawableState(); 3293 3294 for (Drawable dr : mDrawables.mShowing) { 3295 if (dr == null) { 3296 continue; 3297 } 3298 3299 if (dr == mDrawables.mDrawableError) { 3300 // From a developer's perspective, the error drawable isn't 3301 // a compound drawable. Don't apply the generic compound 3302 // drawable tint to it. 3303 continue; 3304 } 3305 3306 dr.mutate(); 3307 3308 if (hasTint) { 3309 dr.setTintList(tintList); 3310 } 3311 3312 if (hasTintMode) { 3313 dr.setTintMode(tintMode); 3314 } 3315 3316 // The drawable (or one of its children) may not have been 3317 // stateful before applying the tint, so let's try again. 3318 if (dr.isStateful()) { 3319 dr.setState(state); 3320 } 3321 } 3322 } 3323 } 3324 3325 @Override 3326 public void setPadding(int left, int top, int right, int bottom) { 3327 if (left != mPaddingLeft 3328 || right != mPaddingRight 3329 || top != mPaddingTop 3330 || bottom != mPaddingBottom) { 3331 nullLayouts(); 3332 } 3333 3334 // the super call will requestLayout() 3335 super.setPadding(left, top, right, bottom); 3336 invalidate(); 3337 } 3338 3339 @Override 3340 public void setPaddingRelative(int start, int top, int end, int bottom) { 3341 if (start != getPaddingStart() 3342 || end != getPaddingEnd() 3343 || top != mPaddingTop 3344 || bottom != mPaddingBottom) { 3345 nullLayouts(); 3346 } 3347 3348 // the super call will requestLayout() 3349 super.setPaddingRelative(start, top, end, bottom); 3350 invalidate(); 3351 } 3352 3353 /** 3354 * Gets the autolink mask of the text. See {@link 3355 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 3356 * possible values. 3357 * 3358 * @attr ref android.R.styleable#TextView_autoLink 3359 */ 3360 public final int getAutoLinkMask() { 3361 return mAutoLinkMask; 3362 } 3363 3364 /** 3365 * Sets the text appearance from the specified style resource. 3366 * <p> 3367 * Use a framework-defined {@code TextAppearance} style like 3368 * {@link android.R.style#TextAppearance_Material_Body1 @android:style/TextAppearance.Material.Body1} 3369 * or see {@link android.R.styleable#TextAppearance TextAppearance} for the 3370 * set of attributes that can be used in a custom style. 3371 * 3372 * @param resId the resource identifier of the style to apply 3373 * @attr ref android.R.styleable#TextView_textAppearance 3374 */ 3375 @SuppressWarnings("deprecation") 3376 public void setTextAppearance(@StyleRes int resId) { 3377 setTextAppearance(mContext, resId); 3378 } 3379 3380 /** 3381 * Sets the text color, size, style, hint color, and highlight color 3382 * from the specified TextAppearance resource. 3383 * 3384 * @deprecated Use {@link #setTextAppearance(int)} instead. 3385 */ 3386 @Deprecated 3387 public void setTextAppearance(Context context, @StyleRes int resId) { 3388 final TypedArray ta = context.obtainStyledAttributes(resId, R.styleable.TextAppearance); 3389 3390 final int textColorHighlight = ta.getColor( 3391 R.styleable.TextAppearance_textColorHighlight, 0); 3392 if (textColorHighlight != 0) { 3393 setHighlightColor(textColorHighlight); 3394 } 3395 3396 final ColorStateList textColor = ta.getColorStateList(R.styleable.TextAppearance_textColor); 3397 if (textColor != null) { 3398 setTextColor(textColor); 3399 } 3400 3401 final int textSize = ta.getDimensionPixelSize(R.styleable.TextAppearance_textSize, 0); 3402 if (textSize != 0) { 3403 setRawTextSize(textSize, true /* shouldRequestLayout */); 3404 } 3405 3406 final ColorStateList textColorHint = ta.getColorStateList( 3407 R.styleable.TextAppearance_textColorHint); 3408 if (textColorHint != null) { 3409 setHintTextColor(textColorHint); 3410 } 3411 3412 final ColorStateList textColorLink = ta.getColorStateList( 3413 R.styleable.TextAppearance_textColorLink); 3414 if (textColorLink != null) { 3415 setLinkTextColor(textColorLink); 3416 } 3417 3418 Typeface fontTypeface = null; 3419 String fontFamily = null; 3420 if (!context.isRestricted() && context.canLoadUnsafeResources()) { 3421 try { 3422 fontTypeface = ta.getFont(R.styleable.TextAppearance_fontFamily); 3423 } catch (UnsupportedOperationException | Resources.NotFoundException e) { 3424 // Expected if it is not a font resource. 3425 } 3426 } 3427 if (fontTypeface == null) { 3428 fontFamily = ta.getString(R.styleable.TextAppearance_fontFamily); 3429 } 3430 final int typefaceIndex = ta.getInt(R.styleable.TextAppearance_typeface, -1); 3431 final int styleIndex = ta.getInt(R.styleable.TextAppearance_textStyle, -1); 3432 setTypefaceFromAttrs(fontTypeface, fontFamily, typefaceIndex, styleIndex); 3433 3434 final int shadowColor = ta.getInt(R.styleable.TextAppearance_shadowColor, 0); 3435 if (shadowColor != 0) { 3436 final float dx = ta.getFloat(R.styleable.TextAppearance_shadowDx, 0); 3437 final float dy = ta.getFloat(R.styleable.TextAppearance_shadowDy, 0); 3438 final float r = ta.getFloat(R.styleable.TextAppearance_shadowRadius, 0); 3439 setShadowLayer(r, dx, dy, shadowColor); 3440 } 3441 3442 if (ta.getBoolean(R.styleable.TextAppearance_textAllCaps, false)) { 3443 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 3444 } 3445 3446 if (ta.hasValue(R.styleable.TextAppearance_elegantTextHeight)) { 3447 setElegantTextHeight(ta.getBoolean( 3448 R.styleable.TextAppearance_elegantTextHeight, false)); 3449 } 3450 3451 if (ta.hasValue(R.styleable.TextAppearance_letterSpacing)) { 3452 setLetterSpacing(ta.getFloat( 3453 R.styleable.TextAppearance_letterSpacing, 0)); 3454 } 3455 3456 if (ta.hasValue(R.styleable.TextAppearance_fontFeatureSettings)) { 3457 setFontFeatureSettings(ta.getString( 3458 R.styleable.TextAppearance_fontFeatureSettings)); 3459 } 3460 3461 ta.recycle(); 3462 } 3463 3464 /** 3465 * Get the default primary {@link Locale} of the text in this TextView. This will always be 3466 * the first member of {@link #getTextLocales()}. 3467 * @return the default primary {@link Locale} of the text in this TextView. 3468 */ 3469 @NonNull 3470 public Locale getTextLocale() { 3471 return mTextPaint.getTextLocale(); 3472 } 3473 3474 /** 3475 * Get the default {@link LocaleList} of the text in this TextView. 3476 * @return the default {@link LocaleList} of the text in this TextView. 3477 */ 3478 @NonNull @Size(min = 1) 3479 public LocaleList getTextLocales() { 3480 return mTextPaint.getTextLocales(); 3481 } 3482 3483 private void changeListenerLocaleTo(@Nullable Locale locale) { 3484 if (mListenerChanged) { 3485 // If a listener has been explicitly set, don't change it. We may break something. 3486 return; 3487 } 3488 // The following null check is not absolutely necessary since all calling points of 3489 // changeListenerLocaleTo() guarantee a non-null mEditor at the moment. But this is left 3490 // here in case others would want to call this method in the future. 3491 if (mEditor != null) { 3492 KeyListener listener = mEditor.mKeyListener; 3493 if (listener instanceof DigitsKeyListener) { 3494 listener = DigitsKeyListener.getInstance(locale, (DigitsKeyListener) listener); 3495 } else if (listener instanceof DateKeyListener) { 3496 listener = DateKeyListener.getInstance(locale); 3497 } else if (listener instanceof TimeKeyListener) { 3498 listener = TimeKeyListener.getInstance(locale); 3499 } else if (listener instanceof DateTimeKeyListener) { 3500 listener = DateTimeKeyListener.getInstance(locale); 3501 } else { 3502 return; 3503 } 3504 final boolean wasPasswordType = isPasswordInputType(mEditor.mInputType); 3505 setKeyListenerOnly(listener); 3506 setInputTypeFromEditor(); 3507 if (wasPasswordType) { 3508 final int newInputClass = mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS; 3509 if (newInputClass == EditorInfo.TYPE_CLASS_TEXT) { 3510 mEditor.mInputType |= EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 3511 } else if (newInputClass == EditorInfo.TYPE_CLASS_NUMBER) { 3512 mEditor.mInputType |= EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD; 3513 } 3514 } 3515 } 3516 } 3517 3518 /** 3519 * Set the default {@link Locale} of the text in this TextView to a one-member 3520 * {@link LocaleList} containing just the given Locale. 3521 * 3522 * @param locale the {@link Locale} for drawing text, must not be null. 3523 * 3524 * @see #setTextLocales 3525 */ 3526 public void setTextLocale(@NonNull Locale locale) { 3527 mLocalesChanged = true; 3528 mTextPaint.setTextLocale(locale); 3529 if (mLayout != null) { 3530 nullLayouts(); 3531 requestLayout(); 3532 invalidate(); 3533 } 3534 } 3535 3536 /** 3537 * Set the default {@link LocaleList} of the text in this TextView to the given value. 3538 * 3539 * This value is used to choose appropriate typefaces for ambiguous characters (typically used 3540 * for CJK locales to disambiguate Hanzi/Kanji/Hanja characters). It also affects 3541 * other aspects of text display, including line breaking. 3542 * 3543 * @param locales the {@link LocaleList} for drawing text, must not be null or empty. 3544 * 3545 * @see Paint#setTextLocales 3546 */ 3547 public void setTextLocales(@NonNull @Size(min = 1) LocaleList locales) { 3548 mLocalesChanged = true; 3549 mTextPaint.setTextLocales(locales); 3550 if (mLayout != null) { 3551 nullLayouts(); 3552 requestLayout(); 3553 invalidate(); 3554 } 3555 } 3556 3557 @Override 3558 protected void onConfigurationChanged(Configuration newConfig) { 3559 super.onConfigurationChanged(newConfig); 3560 if (!mLocalesChanged) { 3561 mTextPaint.setTextLocales(LocaleList.getDefault()); 3562 if (mLayout != null) { 3563 nullLayouts(); 3564 requestLayout(); 3565 invalidate(); 3566 } 3567 } 3568 } 3569 3570 /** 3571 * @return the size (in pixels) of the default text size in this TextView. 3572 */ 3573 @ViewDebug.ExportedProperty(category = "text") 3574 public float getTextSize() { 3575 return mTextPaint.getTextSize(); 3576 } 3577 3578 /** 3579 * @return the size (in scaled pixels) of the default text size in this TextView. 3580 * @hide 3581 */ 3582 @ViewDebug.ExportedProperty(category = "text") 3583 public float getScaledTextSize() { 3584 return mTextPaint.getTextSize() / mTextPaint.density; 3585 } 3586 3587 /** @hide */ 3588 @ViewDebug.ExportedProperty(category = "text", mapping = { 3589 @ViewDebug.IntToString(from = Typeface.NORMAL, to = "NORMAL"), 3590 @ViewDebug.IntToString(from = Typeface.BOLD, to = "BOLD"), 3591 @ViewDebug.IntToString(from = Typeface.ITALIC, to = "ITALIC"), 3592 @ViewDebug.IntToString(from = Typeface.BOLD_ITALIC, to = "BOLD_ITALIC") 3593 }) 3594 public int getTypefaceStyle() { 3595 Typeface typeface = mTextPaint.getTypeface(); 3596 return typeface != null ? typeface.getStyle() : Typeface.NORMAL; 3597 } 3598 3599 /** 3600 * Set the default text size to the given value, interpreted as "scaled 3601 * pixel" units. This size is adjusted based on the current density and 3602 * user font size preference. 3603 * 3604 * <p>Note: if this TextView has the auto-size feature enabled than this function is no-op. 3605 * 3606 * @param size The scaled pixel size. 3607 * 3608 * @attr ref android.R.styleable#TextView_textSize 3609 */ 3610 @android.view.RemotableViewMethod 3611 public void setTextSize(float size) { 3612 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 3613 } 3614 3615 /** 3616 * Set the default text size to a given unit and value. See {@link 3617 * TypedValue} for the possible dimension units. 3618 * 3619 * <p>Note: if this TextView has the auto-size feature enabled than this function is no-op. 3620 * 3621 * @param unit The desired dimension unit. 3622 * @param size The desired size in the given units. 3623 * 3624 * @attr ref android.R.styleable#TextView_textSize 3625 */ 3626 public void setTextSize(int unit, float size) { 3627 if (!isAutoSizeEnabled()) { 3628 setTextSizeInternal(unit, size, true /* shouldRequestLayout */); 3629 } 3630 } 3631 3632 private void setTextSizeInternal(int unit, float size, boolean shouldRequestLayout) { 3633 Context c = getContext(); 3634 Resources r; 3635 3636 if (c == null) { 3637 r = Resources.getSystem(); 3638 } else { 3639 r = c.getResources(); 3640 } 3641 3642 setRawTextSize(TypedValue.applyDimension(unit, size, r.getDisplayMetrics()), 3643 shouldRequestLayout); 3644 } 3645 3646 private void setRawTextSize(float size, boolean shouldRequestLayout) { 3647 if (size != mTextPaint.getTextSize()) { 3648 mTextPaint.setTextSize(size); 3649 3650 if (shouldRequestLayout && mLayout != null) { 3651 // Do not auto-size right after setting the text size. 3652 mNeedsAutoSizeText = false; 3653 nullLayouts(); 3654 requestLayout(); 3655 invalidate(); 3656 } 3657 } 3658 } 3659 3660 /** 3661 * Gets the extent by which text should be stretched horizontally. 3662 * This will usually be 1.0. 3663 * @return The horizontal scale factor. 3664 */ 3665 public float getTextScaleX() { 3666 return mTextPaint.getTextScaleX(); 3667 } 3668 3669 /** 3670 * Sets the horizontal scale factor for text. The default value 3671 * is 1.0. Values greater than 1.0 stretch the text wider. 3672 * Values less than 1.0 make the text narrower. By default, this value is 1.0. 3673 * @param size The horizontal scale factor. 3674 * @attr ref android.R.styleable#TextView_textScaleX 3675 */ 3676 @android.view.RemotableViewMethod 3677 public void setTextScaleX(float size) { 3678 if (size != mTextPaint.getTextScaleX()) { 3679 mUserSetTextScaleX = true; 3680 mTextPaint.setTextScaleX(size); 3681 3682 if (mLayout != null) { 3683 nullLayouts(); 3684 requestLayout(); 3685 invalidate(); 3686 } 3687 } 3688 } 3689 3690 /** 3691 * Sets the typeface and style in which the text should be displayed. 3692 * Note that not all Typeface families actually have bold and italic 3693 * variants, so you may need to use 3694 * {@link #setTypeface(Typeface, int)} to get the appearance 3695 * that you actually want. 3696 * 3697 * @see #getTypeface() 3698 * 3699 * @attr ref android.R.styleable#TextView_fontFamily 3700 * @attr ref android.R.styleable#TextView_typeface 3701 * @attr ref android.R.styleable#TextView_textStyle 3702 */ 3703 public void setTypeface(Typeface tf) { 3704 if (mTextPaint.getTypeface() != tf) { 3705 mTextPaint.setTypeface(tf); 3706 3707 if (mLayout != null) { 3708 nullLayouts(); 3709 requestLayout(); 3710 invalidate(); 3711 } 3712 } 3713 } 3714 3715 /** 3716 * Gets the current {@link Typeface} that is used to style the text. 3717 * @return The current Typeface. 3718 * 3719 * @see #setTypeface(Typeface) 3720 * 3721 * @attr ref android.R.styleable#TextView_fontFamily 3722 * @attr ref android.R.styleable#TextView_typeface 3723 * @attr ref android.R.styleable#TextView_textStyle 3724 */ 3725 public Typeface getTypeface() { 3726 return mTextPaint.getTypeface(); 3727 } 3728 3729 /** 3730 * Set the TextView's elegant height metrics flag. This setting selects font 3731 * variants that have not been compacted to fit Latin-based vertical 3732 * metrics, and also increases top and bottom bounds to provide more space. 3733 * 3734 * @param elegant set the paint's elegant metrics flag. 3735 * 3736 * @attr ref android.R.styleable#TextView_elegantTextHeight 3737 */ 3738 public void setElegantTextHeight(boolean elegant) { 3739 if (elegant != mTextPaint.isElegantTextHeight()) { 3740 mTextPaint.setElegantTextHeight(elegant); 3741 if (mLayout != null) { 3742 nullLayouts(); 3743 requestLayout(); 3744 invalidate(); 3745 } 3746 } 3747 } 3748 3749 /** 3750 * Gets the text letter-space value, which determines the spacing between characters. 3751 * The value returned is in ems. Normally, this value is 0.0. 3752 * @return The text letter-space value in ems. 3753 * 3754 * @see #setLetterSpacing(float) 3755 * @see Paint#setLetterSpacing 3756 */ 3757 public float getLetterSpacing() { 3758 return mTextPaint.getLetterSpacing(); 3759 } 3760 3761 /** 3762 * Sets text letter-spacing in em units. Typical values 3763 * for slight expansion will be around 0.05. Negative values tighten text. 3764 * 3765 * @see #getLetterSpacing() 3766 * @see Paint#getLetterSpacing 3767 * 3768 * @param letterSpacing A text letter-space value in ems. 3769 * @attr ref android.R.styleable#TextView_letterSpacing 3770 */ 3771 @android.view.RemotableViewMethod 3772 public void setLetterSpacing(float letterSpacing) { 3773 if (letterSpacing != mTextPaint.getLetterSpacing()) { 3774 mTextPaint.setLetterSpacing(letterSpacing); 3775 3776 if (mLayout != null) { 3777 nullLayouts(); 3778 requestLayout(); 3779 invalidate(); 3780 } 3781 } 3782 } 3783 3784 /** 3785 * Returns the font feature settings. The format is the same as the CSS 3786 * font-feature-settings attribute: 3787 * <a href="https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop"> 3788 * https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop</a> 3789 * 3790 * @return the currently set font feature settings. Default is null. 3791 * 3792 * @see #setFontFeatureSettings(String) 3793 * @see Paint#setFontFeatureSettings(String) Paint.setFontFeatureSettings(String) 3794 */ 3795 @Nullable 3796 public String getFontFeatureSettings() { 3797 return mTextPaint.getFontFeatureSettings(); 3798 } 3799 3800 /** 3801 * Returns the font variation settings. 3802 * 3803 * @return the currently set font variation settings. Returns null if no variation is 3804 * specified. 3805 * 3806 * @see #setFontVariationSettings(String) 3807 * @see Paint#setFontVariationSettings(String) Paint.setFontVariationSettings(String) 3808 */ 3809 @Nullable 3810 public String getFontVariationSettings() { 3811 return mTextPaint.getFontVariationSettings(); 3812 } 3813 3814 /** 3815 * Sets the break strategy for breaking paragraphs into lines. The default value for 3816 * TextView is {@link Layout#BREAK_STRATEGY_HIGH_QUALITY}, and the default value for 3817 * EditText is {@link Layout#BREAK_STRATEGY_SIMPLE}, the latter to avoid the 3818 * text "dancing" when being edited. 3819 * 3820 * @attr ref android.R.styleable#TextView_breakStrategy 3821 * @see #getBreakStrategy() 3822 */ 3823 public void setBreakStrategy(@Layout.BreakStrategy int breakStrategy) { 3824 mBreakStrategy = breakStrategy; 3825 if (mLayout != null) { 3826 nullLayouts(); 3827 requestLayout(); 3828 invalidate(); 3829 } 3830 } 3831 3832 /** 3833 * Gets the current strategy for breaking paragraphs into lines. 3834 * @return the current strategy for breaking paragraphs into lines. 3835 * 3836 * @attr ref android.R.styleable#TextView_breakStrategy 3837 * @see #setBreakStrategy(int) 3838 */ 3839 @Layout.BreakStrategy 3840 public int getBreakStrategy() { 3841 return mBreakStrategy; 3842 } 3843 3844 /** 3845 * Sets the frequency of automatic hyphenation to use when determining word breaks. 3846 * The default value for both TextView and {@link EditText} is 3847 * {@link Layout#HYPHENATION_FREQUENCY_NORMAL}. 3848 * Note that the default hyphenation frequency value is set from the theme. 3849 * 3850 * @param hyphenationFrequency The hyphenation frequency to use. 3851 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3852 * @see #getHyphenationFrequency() 3853 */ 3854 public void setHyphenationFrequency(@Layout.HyphenationFrequency int hyphenationFrequency) { 3855 mHyphenationFrequency = hyphenationFrequency; 3856 if (mLayout != null) { 3857 nullLayouts(); 3858 requestLayout(); 3859 invalidate(); 3860 } 3861 } 3862 3863 /** 3864 * Gets the current frequency of automatic hyphenation to be used when determining word breaks. 3865 * @return the current frequency of automatic hyphenation to be used when determining word 3866 * breaks. 3867 * 3868 * @attr ref android.R.styleable#TextView_hyphenationFrequency 3869 * @see #setHyphenationFrequency(int) 3870 */ 3871 @Layout.HyphenationFrequency 3872 public int getHyphenationFrequency() { 3873 return mHyphenationFrequency; 3874 } 3875 3876 /** 3877 * Set justification mode. The default value is {@link Layout#JUSTIFICATION_MODE_NONE}. If the 3878 * last line is too short for justification, the last line will be displayed with the 3879 * alignment set by {@link android.view.View#setTextAlignment}. 3880 * 3881 * @see #getJustificationMode() 3882 */ 3883 @Layout.JustificationMode 3884 public void setJustificationMode(@Layout.JustificationMode int justificationMode) { 3885 mJustificationMode = justificationMode; 3886 if (mLayout != null) { 3887 nullLayouts(); 3888 requestLayout(); 3889 invalidate(); 3890 } 3891 } 3892 3893 /** 3894 * @return true if currently paragraph justification mode. 3895 * 3896 * @see #setJustificationMode(int) 3897 */ 3898 public @Layout.JustificationMode int getJustificationMode() { 3899 return mJustificationMode; 3900 } 3901 3902 /** 3903 * Sets font feature settings. The format is the same as the CSS 3904 * font-feature-settings attribute: 3905 * <a href="https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop"> 3906 * https://www.w3.org/TR/css-fonts-3/#font-feature-settings-prop</a> 3907 * 3908 * @param fontFeatureSettings font feature settings represented as CSS compatible string 3909 * 3910 * @see #getFontFeatureSettings() 3911 * @see Paint#getFontFeatureSettings() Paint.getFontFeatureSettings() 3912 * 3913 * @attr ref android.R.styleable#TextView_fontFeatureSettings 3914 */ 3915 @android.view.RemotableViewMethod 3916 public void setFontFeatureSettings(@Nullable String fontFeatureSettings) { 3917 if (fontFeatureSettings != mTextPaint.getFontFeatureSettings()) { 3918 mTextPaint.setFontFeatureSettings(fontFeatureSettings); 3919 3920 if (mLayout != null) { 3921 nullLayouts(); 3922 requestLayout(); 3923 invalidate(); 3924 } 3925 } 3926 } 3927 3928 3929 /** 3930 * Sets TrueType or OpenType font variation settings. The settings string is constructed from 3931 * multiple pairs of axis tag and style values. The axis tag must contain four ASCII characters 3932 * and must be wrapped with single quotes (U+0027) or double quotes (U+0022). Axis strings that 3933 * are longer or shorter than four characters, or contain characters outside of U+0020..U+007E 3934 * are invalid. If a specified axis name is not defined in the font, the settings will be 3935 * ignored. 3936 * 3937 * <p> 3938 * Examples, 3939 * <ul> 3940 * <li>Set font width to 150. 3941 * <pre> 3942 * <code> 3943 * TextView textView = (TextView) findViewById(R.id.textView); 3944 * textView.setFontVariationSettings("'wdth' 150"); 3945 * </code> 3946 * </pre> 3947 * </li> 3948 * 3949 * <li>Set the font slant to 20 degrees and ask for italic style. 3950 * <pre> 3951 * <code> 3952 * TextView textView = (TextView) findViewById(R.id.textView); 3953 * textView.setFontVariationSettings("'slnt' 20, 'ital' 1"); 3954 * </code> 3955 * </pre> 3956 * </p> 3957 * </li> 3958 * </ul> 3959 * 3960 * @param fontVariationSettings font variation settings. You can pass null or empty string as 3961 * no variation settings. 3962 * @return true if the given settings is effective to at least one font file underlying this 3963 * TextView. This function also returns true for empty settings string. Otherwise 3964 * returns false. 3965 * 3966 * @throws IllegalArgumentException If given string is not a valid font variation settings 3967 * format. 3968 * 3969 * @see #getFontVariationSettings() 3970 * @see FontVariationAxis 3971 */ 3972 public boolean setFontVariationSettings(@Nullable String fontVariationSettings) { 3973 final String existingSettings = mTextPaint.getFontVariationSettings(); 3974 if (fontVariationSettings == existingSettings 3975 || (fontVariationSettings != null 3976 && fontVariationSettings.equals(existingSettings))) { 3977 return true; 3978 } 3979 boolean effective = mTextPaint.setFontVariationSettings(fontVariationSettings); 3980 3981 if (effective && mLayout != null) { 3982 nullLayouts(); 3983 requestLayout(); 3984 invalidate(); 3985 } 3986 return effective; 3987 } 3988 3989 /** 3990 * Sets the text color for all the states (normal, selected, 3991 * focused) to be this color. 3992 * 3993 * @param color A color value in the form 0xAARRGGBB. 3994 * Do not pass a resource ID. To get a color value from a resource ID, call 3995 * {@link android.support.v4.content.ContextCompat#getColor(Context, int) getColor}. 3996 * 3997 * @see #setTextColor(ColorStateList) 3998 * @see #getTextColors() 3999 * 4000 * @attr ref android.R.styleable#TextView_textColor 4001 */ 4002 @android.view.RemotableViewMethod 4003 public void setTextColor(@ColorInt int color) { 4004 mTextColor = ColorStateList.valueOf(color); 4005 updateTextColors(); 4006 } 4007 4008 /** 4009 * Sets the text color. 4010 * 4011 * @see #setTextColor(int) 4012 * @see #getTextColors() 4013 * @see #setHintTextColor(ColorStateList) 4014 * @see #setLinkTextColor(ColorStateList) 4015 * 4016 * @attr ref android.R.styleable#TextView_textColor 4017 */ 4018 @android.view.RemotableViewMethod 4019 public void setTextColor(ColorStateList colors) { 4020 if (colors == null) { 4021 throw new NullPointerException(); 4022 } 4023 4024 mTextColor = colors; 4025 updateTextColors(); 4026 } 4027 4028 /** 4029 * Gets the text colors for the different states (normal, selected, focused) of the TextView. 4030 * 4031 * @see #setTextColor(ColorStateList) 4032 * @see #setTextColor(int) 4033 * 4034 * @attr ref android.R.styleable#TextView_textColor 4035 */ 4036 public final ColorStateList getTextColors() { 4037 return mTextColor; 4038 } 4039 4040 /** 4041 * Return the current color selected for normal text. 4042 * 4043 * @return Returns the current text color. 4044 */ 4045 @ColorInt 4046 public final int getCurrentTextColor() { 4047 return mCurTextColor; 4048 } 4049 4050 /** 4051 * Sets the color used to display the selection highlight. 4052 * 4053 * @attr ref android.R.styleable#TextView_textColorHighlight 4054 */ 4055 @android.view.RemotableViewMethod 4056 public void setHighlightColor(@ColorInt int color) { 4057 if (mHighlightColor != color) { 4058 mHighlightColor = color; 4059 invalidate(); 4060 } 4061 } 4062 4063 /** 4064 * @return the color used to display the selection highlight 4065 * 4066 * @see #setHighlightColor(int) 4067 * 4068 * @attr ref android.R.styleable#TextView_textColorHighlight 4069 */ 4070 @ColorInt 4071 public int getHighlightColor() { 4072 return mHighlightColor; 4073 } 4074 4075 /** 4076 * Sets whether the soft input method will be made visible when this 4077 * TextView gets focused. The default is true. 4078 */ 4079 @android.view.RemotableViewMethod 4080 public final void setShowSoftInputOnFocus(boolean show) { 4081 createEditorIfNeeded(); 4082 mEditor.mShowSoftInputOnFocus = show; 4083 } 4084 4085 /** 4086 * Returns whether the soft input method will be made visible when this 4087 * TextView gets focused. The default is true. 4088 */ 4089 public final boolean getShowSoftInputOnFocus() { 4090 // When there is no Editor, return default true value 4091 return mEditor == null || mEditor.mShowSoftInputOnFocus; 4092 } 4093 4094 /** 4095 * Gives the text a shadow of the specified blur radius and color, the specified 4096 * distance from its drawn position. 4097 * <p> 4098 * The text shadow produced does not interact with the properties on view 4099 * that are responsible for real time shadows, 4100 * {@link View#getElevation() elevation} and 4101 * {@link View#getTranslationZ() translationZ}. 4102 * 4103 * @see Paint#setShadowLayer(float, float, float, int) 4104 * 4105 * @attr ref android.R.styleable#TextView_shadowColor 4106 * @attr ref android.R.styleable#TextView_shadowDx 4107 * @attr ref android.R.styleable#TextView_shadowDy 4108 * @attr ref android.R.styleable#TextView_shadowRadius 4109 */ 4110 public void setShadowLayer(float radius, float dx, float dy, int color) { 4111 mTextPaint.setShadowLayer(radius, dx, dy, color); 4112 4113 mShadowRadius = radius; 4114 mShadowDx = dx; 4115 mShadowDy = dy; 4116 mShadowColor = color; 4117 4118 // Will change text clip region 4119 if (mEditor != null) { 4120 mEditor.invalidateTextDisplayList(); 4121 mEditor.invalidateHandlesAndActionMode(); 4122 } 4123 invalidate(); 4124 } 4125 4126 /** 4127 * Gets the radius of the shadow layer. 4128 * 4129 * @return the radius of the shadow layer. If 0, the shadow layer is not visible 4130 * 4131 * @see #setShadowLayer(float, float, float, int) 4132 * 4133 * @attr ref android.R.styleable#TextView_shadowRadius 4134 */ 4135 public float getShadowRadius() { 4136 return mShadowRadius; 4137 } 4138 4139 /** 4140 * @return the horizontal offset of the shadow layer 4141 * 4142 * @see #setShadowLayer(float, float, float, int) 4143 * 4144 * @attr ref android.R.styleable#TextView_shadowDx 4145 */ 4146 public float getShadowDx() { 4147 return mShadowDx; 4148 } 4149 4150 /** 4151 * Gets the vertical offset of the shadow layer. 4152 * @return The vertical offset of the shadow layer. 4153 * 4154 * @see #setShadowLayer(float, float, float, int) 4155 * 4156 * @attr ref android.R.styleable#TextView_shadowDy 4157 */ 4158 public float getShadowDy() { 4159 return mShadowDy; 4160 } 4161 4162 /** 4163 * Gets the color of the shadow layer. 4164 * @return the color of the shadow layer 4165 * 4166 * @see #setShadowLayer(float, float, float, int) 4167 * 4168 * @attr ref android.R.styleable#TextView_shadowColor 4169 */ 4170 @ColorInt 4171 public int getShadowColor() { 4172 return mShadowColor; 4173 } 4174 4175 /** 4176 * Gets the {@link TextPaint} used for the text. 4177 * Use this only to consult the Paint's properties and not to change them. 4178 * @return The base paint used for the text. 4179 */ 4180 public TextPaint getPaint() { 4181 return mTextPaint; 4182 } 4183 4184 /** 4185 * Sets the autolink mask of the text. See {@link 4186 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 4187 * possible values. 4188 * 4189 * @attr ref android.R.styleable#TextView_autoLink 4190 */ 4191 @android.view.RemotableViewMethod 4192 public final void setAutoLinkMask(int mask) { 4193 mAutoLinkMask = mask; 4194 } 4195 4196 /** 4197 * Sets whether the movement method will automatically be set to 4198 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 4199 * set to nonzero and links are detected in {@link #setText}. 4200 * The default is true. 4201 * 4202 * @attr ref android.R.styleable#TextView_linksClickable 4203 */ 4204 @android.view.RemotableViewMethod 4205 public final void setLinksClickable(boolean whether) { 4206 mLinksClickable = whether; 4207 } 4208 4209 /** 4210 * Returns whether the movement method will automatically be set to 4211 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 4212 * set to nonzero and links are detected in {@link #setText}. 4213 * The default is true. 4214 * 4215 * @attr ref android.R.styleable#TextView_linksClickable 4216 */ 4217 public final boolean getLinksClickable() { 4218 return mLinksClickable; 4219 } 4220 4221 /** 4222 * Returns the list of {@link android.text.style.URLSpan URLSpans} attached to the text 4223 * (by {@link Linkify} or otherwise) if any. You can call 4224 * {@link URLSpan#getURL} on them to find where they link to 4225 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 4226 * to find the region of the text they are attached to. 4227 */ 4228 public URLSpan[] getUrls() { 4229 if (mText instanceof Spanned) { 4230 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 4231 } else { 4232 return new URLSpan[0]; 4233 } 4234 } 4235 4236 /** 4237 * Sets the color of the hint text for all the states (disabled, focussed, selected...) of this 4238 * TextView. 4239 * 4240 * @see #setHintTextColor(ColorStateList) 4241 * @see #getHintTextColors() 4242 * @see #setTextColor(int) 4243 * 4244 * @attr ref android.R.styleable#TextView_textColorHint 4245 */ 4246 @android.view.RemotableViewMethod 4247 public final void setHintTextColor(@ColorInt int color) { 4248 mHintTextColor = ColorStateList.valueOf(color); 4249 updateTextColors(); 4250 } 4251 4252 /** 4253 * Sets the color of the hint text. 4254 * 4255 * @see #getHintTextColors() 4256 * @see #setHintTextColor(int) 4257 * @see #setTextColor(ColorStateList) 4258 * @see #setLinkTextColor(ColorStateList) 4259 * 4260 * @attr ref android.R.styleable#TextView_textColorHint 4261 */ 4262 public final void setHintTextColor(ColorStateList colors) { 4263 mHintTextColor = colors; 4264 updateTextColors(); 4265 } 4266 4267 /** 4268 * @return the color of the hint text, for the different states of this TextView. 4269 * 4270 * @see #setHintTextColor(ColorStateList) 4271 * @see #setHintTextColor(int) 4272 * @see #setTextColor(ColorStateList) 4273 * @see #setLinkTextColor(ColorStateList) 4274 * 4275 * @attr ref android.R.styleable#TextView_textColorHint 4276 */ 4277 public final ColorStateList getHintTextColors() { 4278 return mHintTextColor; 4279 } 4280 4281 /** 4282 * <p>Return the current color selected to paint the hint text.</p> 4283 * 4284 * @return Returns the current hint text color. 4285 */ 4286 @ColorInt 4287 public final int getCurrentHintTextColor() { 4288 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 4289 } 4290 4291 /** 4292 * Sets the color of links in the text. 4293 * 4294 * @see #setLinkTextColor(ColorStateList) 4295 * @see #getLinkTextColors() 4296 * 4297 * @attr ref android.R.styleable#TextView_textColorLink 4298 */ 4299 @android.view.RemotableViewMethod 4300 public final void setLinkTextColor(@ColorInt int color) { 4301 mLinkTextColor = ColorStateList.valueOf(color); 4302 updateTextColors(); 4303 } 4304 4305 /** 4306 * Sets the color of links in the text. 4307 * 4308 * @see #setLinkTextColor(int) 4309 * @see #getLinkTextColors() 4310 * @see #setTextColor(ColorStateList) 4311 * @see #setHintTextColor(ColorStateList) 4312 * 4313 * @attr ref android.R.styleable#TextView_textColorLink 4314 */ 4315 public final void setLinkTextColor(ColorStateList colors) { 4316 mLinkTextColor = colors; 4317 updateTextColors(); 4318 } 4319 4320 /** 4321 * @return the list of colors used to paint the links in the text, for the different states of 4322 * this TextView 4323 * 4324 * @see #setLinkTextColor(ColorStateList) 4325 * @see #setLinkTextColor(int) 4326 * 4327 * @attr ref android.R.styleable#TextView_textColorLink 4328 */ 4329 public final ColorStateList getLinkTextColors() { 4330 return mLinkTextColor; 4331 } 4332 4333 /** 4334 * Sets the horizontal alignment of the text and the 4335 * vertical gravity that will be used when there is extra space 4336 * in the TextView beyond what is required for the text itself. 4337 * 4338 * @see android.view.Gravity 4339 * @attr ref android.R.styleable#TextView_gravity 4340 */ 4341 public void setGravity(int gravity) { 4342 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 4343 gravity |= Gravity.START; 4344 } 4345 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 4346 gravity |= Gravity.TOP; 4347 } 4348 4349 boolean newLayout = false; 4350 4351 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) 4352 != (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 4353 newLayout = true; 4354 } 4355 4356 if (gravity != mGravity) { 4357 invalidate(); 4358 } 4359 4360 mGravity = gravity; 4361 4362 if (mLayout != null && newLayout) { 4363 // XXX this is heavy-handed because no actual content changes. 4364 int want = mLayout.getWidth(); 4365 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 4366 4367 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 4368 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), true); 4369 } 4370 } 4371 4372 /** 4373 * Returns the horizontal and vertical alignment of this TextView. 4374 * 4375 * @see android.view.Gravity 4376 * @attr ref android.R.styleable#TextView_gravity 4377 */ 4378 public int getGravity() { 4379 return mGravity; 4380 } 4381 4382 /** 4383 * Gets the flags on the Paint being used to display the text. 4384 * @return The flags on the Paint being used to display the text. 4385 * @see Paint#getFlags 4386 */ 4387 public int getPaintFlags() { 4388 return mTextPaint.getFlags(); 4389 } 4390 4391 /** 4392 * Sets flags on the Paint being used to display the text and 4393 * reflows the text if they are different from the old flags. 4394 * @see Paint#setFlags 4395 */ 4396 @android.view.RemotableViewMethod 4397 public void setPaintFlags(int flags) { 4398 if (mTextPaint.getFlags() != flags) { 4399 mTextPaint.setFlags(flags); 4400 4401 if (mLayout != null) { 4402 nullLayouts(); 4403 requestLayout(); 4404 invalidate(); 4405 } 4406 } 4407 } 4408 4409 /** 4410 * Sets whether the text should be allowed to be wider than the 4411 * View is. If false, it will be wrapped to the width of the View. 4412 * 4413 * @attr ref android.R.styleable#TextView_scrollHorizontally 4414 */ 4415 public void setHorizontallyScrolling(boolean whether) { 4416 if (mHorizontallyScrolling != whether) { 4417 mHorizontallyScrolling = whether; 4418 4419 if (mLayout != null) { 4420 nullLayouts(); 4421 requestLayout(); 4422 invalidate(); 4423 } 4424 } 4425 } 4426 4427 /** 4428 * Returns whether the text is allowed to be wider than the View is. 4429 * If false, the text will be wrapped to the width of the View. 4430 * 4431 * @attr ref android.R.styleable#TextView_scrollHorizontally 4432 * @hide 4433 */ 4434 public boolean getHorizontallyScrolling() { 4435 return mHorizontallyScrolling; 4436 } 4437 4438 /** 4439 * Sets the height of the TextView to be at least {@code minLines} tall. 4440 * <p> 4441 * This value is used for height calculation if LayoutParams does not force TextView to have an 4442 * exact height. Setting this value overrides other previous minimum height configurations such 4443 * as {@link #setMinHeight(int)} or {@link #setHeight(int)}. {@link #setSingleLine()} will set 4444 * this value to 1. 4445 * 4446 * @param minLines the minimum height of TextView in terms of number of lines 4447 * 4448 * @see #getMinLines() 4449 * @see #setLines(int) 4450 * 4451 * @attr ref android.R.styleable#TextView_minLines 4452 */ 4453 @android.view.RemotableViewMethod 4454 public void setMinLines(int minLines) { 4455 mMinimum = minLines; 4456 mMinMode = LINES; 4457 4458 requestLayout(); 4459 invalidate(); 4460 } 4461 4462 /** 4463 * Returns the minimum height of TextView in terms of number of lines or -1 if the minimum 4464 * height was set using {@link #setMinHeight(int)} or {@link #setHeight(int)}. 4465 * 4466 * @return the minimum height of TextView in terms of number of lines or -1 if the minimum 4467 * height is not defined in lines 4468 * 4469 * @see #setMinLines(int) 4470 * @see #setLines(int) 4471 * 4472 * @attr ref android.R.styleable#TextView_minLines 4473 */ 4474 public int getMinLines() { 4475 return mMinMode == LINES ? mMinimum : -1; 4476 } 4477 4478 /** 4479 * Sets the height of the TextView to be at least {@code minPixels} tall. 4480 * <p> 4481 * This value is used for height calculation if LayoutParams does not force TextView to have an 4482 * exact height. Setting this value overrides previous minimum height configurations such as 4483 * {@link #setMinLines(int)} or {@link #setLines(int)}. 4484 * <p> 4485 * The value given here is different than {@link #setMinimumHeight(int)}. Between 4486 * {@code minHeight} and the value set in {@link #setMinimumHeight(int)}, the greater one is 4487 * used to decide the final height. 4488 * 4489 * @param minPixels the minimum height of TextView in terms of pixels 4490 * 4491 * @see #getMinHeight() 4492 * @see #setHeight(int) 4493 * 4494 * @attr ref android.R.styleable#TextView_minHeight 4495 */ 4496 @android.view.RemotableViewMethod 4497 public void setMinHeight(int minPixels) { 4498 mMinimum = minPixels; 4499 mMinMode = PIXELS; 4500 4501 requestLayout(); 4502 invalidate(); 4503 } 4504 4505 /** 4506 * Returns the minimum height of TextView in terms of pixels or -1 if the minimum height was 4507 * set using {@link #setMinLines(int)} or {@link #setLines(int)}. 4508 * 4509 * @return the minimum height of TextView in terms of pixels or -1 if the minimum height is not 4510 * defined in pixels 4511 * 4512 * @see #setMinHeight(int) 4513 * @see #setHeight(int) 4514 * 4515 * @attr ref android.R.styleable#TextView_minHeight 4516 */ 4517 public int getMinHeight() { 4518 return mMinMode == PIXELS ? mMinimum : -1; 4519 } 4520 4521 /** 4522 * Sets the height of the TextView to be at most {@code maxLines} tall. 4523 * <p> 4524 * This value is used for height calculation if LayoutParams does not force TextView to have an 4525 * exact height. Setting this value overrides previous maximum height configurations such as 4526 * {@link #setMaxHeight(int)} or {@link #setLines(int)}. 4527 * 4528 * @param maxLines the maximum height of TextView in terms of number of lines 4529 * 4530 * @see #getMaxLines() 4531 * @see #setLines(int) 4532 * 4533 * @attr ref android.R.styleable#TextView_maxLines 4534 */ 4535 @android.view.RemotableViewMethod 4536 public void setMaxLines(int maxLines) { 4537 mMaximum = maxLines; 4538 mMaxMode = LINES; 4539 4540 requestLayout(); 4541 invalidate(); 4542 } 4543 4544 /** 4545 * Returns the maximum height of TextView in terms of number of lines or -1 if the 4546 * maximum height was set using {@link #setMaxHeight(int)} or {@link #setHeight(int)}. 4547 * 4548 * @return the maximum height of TextView in terms of number of lines. -1 if the maximum height 4549 * is not defined in lines. 4550 * 4551 * @see #setMaxLines(int) 4552 * @see #setLines(int) 4553 * 4554 * @attr ref android.R.styleable#TextView_maxLines 4555 */ 4556 public int getMaxLines() { 4557 return mMaxMode == LINES ? mMaximum : -1; 4558 } 4559 4560 /** 4561 * Sets the height of the TextView to be at most {@code maxPixels} tall. 4562 * <p> 4563 * This value is used for height calculation if LayoutParams does not force TextView to have an 4564 * exact height. Setting this value overrides previous maximum height configurations such as 4565 * {@link #setMaxLines(int)} or {@link #setLines(int)}. 4566 * 4567 * @param maxPixels the maximum height of TextView in terms of pixels 4568 * 4569 * @see #getMaxHeight() 4570 * @see #setHeight(int) 4571 * 4572 * @attr ref android.R.styleable#TextView_maxHeight 4573 */ 4574 @android.view.RemotableViewMethod 4575 public void setMaxHeight(int maxPixels) { 4576 mMaximum = maxPixels; 4577 mMaxMode = PIXELS; 4578 4579 requestLayout(); 4580 invalidate(); 4581 } 4582 4583 /** 4584 * Returns the maximum height of TextView in terms of pixels or -1 if the maximum height was 4585 * set using {@link #setMaxLines(int)} or {@link #setLines(int)}. 4586 * 4587 * @return the maximum height of TextView in terms of pixels or -1 if the maximum height 4588 * is not defined in pixels 4589 * 4590 * @see #setMaxHeight(int) 4591 * @see #setHeight(int) 4592 * 4593 * @attr ref android.R.styleable#TextView_maxHeight 4594 */ 4595 public int getMaxHeight() { 4596 return mMaxMode == PIXELS ? mMaximum : -1; 4597 } 4598 4599 /** 4600 * Sets the height of the TextView to be exactly {@code lines} tall. 4601 * <p> 4602 * This value is used for height calculation if LayoutParams does not force TextView to have an 4603 * exact height. Setting this value overrides previous minimum/maximum height configurations 4604 * such as {@link #setMinLines(int)} or {@link #setMaxLines(int)}. {@link #setSingleLine()} will 4605 * set this value to 1. 4606 * 4607 * @param lines the exact height of the TextView in terms of lines 4608 * 4609 * @see #setHeight(int) 4610 * 4611 * @attr ref android.R.styleable#TextView_lines 4612 */ 4613 @android.view.RemotableViewMethod 4614 public void setLines(int lines) { 4615 mMaximum = mMinimum = lines; 4616 mMaxMode = mMinMode = LINES; 4617 4618 requestLayout(); 4619 invalidate(); 4620 } 4621 4622 /** 4623 * Sets the height of the TextView to be exactly <code>pixels</code> tall. 4624 * <p> 4625 * This value is used for height calculation if LayoutParams does not force TextView to have an 4626 * exact height. Setting this value overrides previous minimum/maximum height configurations 4627 * such as {@link #setMinHeight(int)} or {@link #setMaxHeight(int)}. 4628 * 4629 * @param pixels the exact height of the TextView in terms of pixels 4630 * 4631 * @see #setLines(int) 4632 * 4633 * @attr ref android.R.styleable#TextView_height 4634 */ 4635 @android.view.RemotableViewMethod 4636 public void setHeight(int pixels) { 4637 mMaximum = mMinimum = pixels; 4638 mMaxMode = mMinMode = PIXELS; 4639 4640 requestLayout(); 4641 invalidate(); 4642 } 4643 4644 /** 4645 * Sets the width of the TextView to be at least {@code minEms} wide. 4646 * <p> 4647 * This value is used for width calculation if LayoutParams does not force TextView to have an 4648 * exact width. Setting this value overrides previous minimum width configurations such as 4649 * {@link #setMinWidth(int)} or {@link #setWidth(int)}. 4650 * 4651 * @param minEms the minimum width of TextView in terms of ems 4652 * 4653 * @see #getMinEms() 4654 * @see #setEms(int) 4655 * 4656 * @attr ref android.R.styleable#TextView_minEms 4657 */ 4658 @android.view.RemotableViewMethod 4659 public void setMinEms(int minEms) { 4660 mMinWidth = minEms; 4661 mMinWidthMode = EMS; 4662 4663 requestLayout(); 4664 invalidate(); 4665 } 4666 4667 /** 4668 * Returns the minimum width of TextView in terms of ems or -1 if the minimum width was set 4669 * using {@link #setMinWidth(int)} or {@link #setWidth(int)}. 4670 * 4671 * @return the minimum width of TextView in terms of ems. -1 if the minimum width is not 4672 * defined in ems 4673 * 4674 * @see #setMinEms(int) 4675 * @see #setEms(int) 4676 * 4677 * @attr ref android.R.styleable#TextView_minEms 4678 */ 4679 public int getMinEms() { 4680 return mMinWidthMode == EMS ? mMinWidth : -1; 4681 } 4682 4683 /** 4684 * Sets the width of the TextView to be at least {@code minPixels} wide. 4685 * <p> 4686 * This value is used for width calculation if LayoutParams does not force TextView to have an 4687 * exact width. Setting this value overrides previous minimum width configurations such as 4688 * {@link #setMinEms(int)} or {@link #setEms(int)}. 4689 * <p> 4690 * The value given here is different than {@link #setMinimumWidth(int)}. Between 4691 * {@code minWidth} and the value set in {@link #setMinimumWidth(int)}, the greater one is used 4692 * to decide the final width. 4693 * 4694 * @param minPixels the minimum width of TextView in terms of pixels 4695 * 4696 * @see #getMinWidth() 4697 * @see #setWidth(int) 4698 * 4699 * @attr ref android.R.styleable#TextView_minWidth 4700 */ 4701 @android.view.RemotableViewMethod 4702 public void setMinWidth(int minPixels) { 4703 mMinWidth = minPixels; 4704 mMinWidthMode = PIXELS; 4705 4706 requestLayout(); 4707 invalidate(); 4708 } 4709 4710 /** 4711 * Returns the minimum width of TextView in terms of pixels or -1 if the minimum width was set 4712 * using {@link #setMinEms(int)} or {@link #setEms(int)}. 4713 * 4714 * @return the minimum width of TextView in terms of pixels or -1 if the minimum width is not 4715 * defined in pixels 4716 * 4717 * @see #setMinWidth(int) 4718 * @see #setWidth(int) 4719 * 4720 * @attr ref android.R.styleable#TextView_minWidth 4721 */ 4722 public int getMinWidth() { 4723 return mMinWidthMode == PIXELS ? mMinWidth : -1; 4724 } 4725 4726 /** 4727 * Sets the width of the TextView to be at most {@code maxEms} wide. 4728 * <p> 4729 * This value is used for width calculation if LayoutParams does not force TextView to have an 4730 * exact width. Setting this value overrides previous maximum width configurations such as 4731 * {@link #setMaxWidth(int)} or {@link #setWidth(int)}. 4732 * 4733 * @param maxEms the maximum width of TextView in terms of ems 4734 * 4735 * @see #getMaxEms() 4736 * @see #setEms(int) 4737 * 4738 * @attr ref android.R.styleable#TextView_maxEms 4739 */ 4740 @android.view.RemotableViewMethod 4741 public void setMaxEms(int maxEms) { 4742 mMaxWidth = maxEms; 4743 mMaxWidthMode = EMS; 4744 4745 requestLayout(); 4746 invalidate(); 4747 } 4748 4749 /** 4750 * Returns the maximum width of TextView in terms of ems or -1 if the maximum width was set 4751 * using {@link #setMaxWidth(int)} or {@link #setWidth(int)}. 4752 * 4753 * @return the maximum width of TextView in terms of ems or -1 if the maximum width is not 4754 * defined in ems 4755 * 4756 * @see #setMaxEms(int) 4757 * @see #setEms(int) 4758 * 4759 * @attr ref android.R.styleable#TextView_maxEms 4760 */ 4761 public int getMaxEms() { 4762 return mMaxWidthMode == EMS ? mMaxWidth : -1; 4763 } 4764 4765 /** 4766 * Sets the width of the TextView to be at most {@code maxPixels} wide. 4767 * <p> 4768 * This value is used for width calculation if LayoutParams does not force TextView to have an 4769 * exact width. Setting this value overrides previous maximum width configurations such as 4770 * {@link #setMaxEms(int)} or {@link #setEms(int)}. 4771 * 4772 * @param maxPixels the maximum width of TextView in terms of pixels 4773 * 4774 * @see #getMaxWidth() 4775 * @see #setWidth(int) 4776 * 4777 * @attr ref android.R.styleable#TextView_maxWidth 4778 */ 4779 @android.view.RemotableViewMethod 4780 public void setMaxWidth(int maxPixels) { 4781 mMaxWidth = maxPixels; 4782 mMaxWidthMode = PIXELS; 4783 4784 requestLayout(); 4785 invalidate(); 4786 } 4787 4788 /** 4789 * Returns the maximum width of TextView in terms of pixels or -1 if the maximum width was set 4790 * using {@link #setMaxEms(int)} or {@link #setEms(int)}. 4791 * 4792 * @return the maximum width of TextView in terms of pixels. -1 if the maximum width is not 4793 * defined in pixels 4794 * 4795 * @see #setMaxWidth(int) 4796 * @see #setWidth(int) 4797 * 4798 * @attr ref android.R.styleable#TextView_maxWidth 4799 */ 4800 public int getMaxWidth() { 4801 return mMaxWidthMode == PIXELS ? mMaxWidth : -1; 4802 } 4803 4804 /** 4805 * Sets the width of the TextView to be exactly {@code ems} wide. 4806 * 4807 * This value is used for width calculation if LayoutParams does not force TextView to have an 4808 * exact width. Setting this value overrides previous minimum/maximum configurations such as 4809 * {@link #setMinEms(int)} or {@link #setMaxEms(int)}. 4810 * 4811 * @param ems the exact width of the TextView in terms of ems 4812 * 4813 * @see #setWidth(int) 4814 * 4815 * @attr ref android.R.styleable#TextView_ems 4816 */ 4817 @android.view.RemotableViewMethod 4818 public void setEms(int ems) { 4819 mMaxWidth = mMinWidth = ems; 4820 mMaxWidthMode = mMinWidthMode = EMS; 4821 4822 requestLayout(); 4823 invalidate(); 4824 } 4825 4826 /** 4827 * Sets the width of the TextView to be exactly {@code pixels} wide. 4828 * <p> 4829 * This value is used for width calculation if LayoutParams does not force TextView to have an 4830 * exact width. Setting this value overrides previous minimum/maximum width configurations 4831 * such as {@link #setMinWidth(int)} or {@link #setMaxWidth(int)}. 4832 * 4833 * @param pixels the exact width of the TextView in terms of pixels 4834 * 4835 * @see #setEms(int) 4836 * 4837 * @attr ref android.R.styleable#TextView_width 4838 */ 4839 @android.view.RemotableViewMethod 4840 public void setWidth(int pixels) { 4841 mMaxWidth = mMinWidth = pixels; 4842 mMaxWidthMode = mMinWidthMode = PIXELS; 4843 4844 requestLayout(); 4845 invalidate(); 4846 } 4847 4848 /** 4849 * Sets line spacing for this TextView. Each line will have its height 4850 * multiplied by <code>mult</code> and have <code>add</code> added to it. 4851 * 4852 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4853 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4854 */ 4855 public void setLineSpacing(float add, float mult) { 4856 if (mSpacingAdd != add || mSpacingMult != mult) { 4857 mSpacingAdd = add; 4858 mSpacingMult = mult; 4859 4860 if (mLayout != null) { 4861 nullLayouts(); 4862 requestLayout(); 4863 invalidate(); 4864 } 4865 } 4866 } 4867 4868 /** 4869 * Gets the line spacing multiplier 4870 * 4871 * @return the value by which each line's height is multiplied to get its actual height. 4872 * 4873 * @see #setLineSpacing(float, float) 4874 * @see #getLineSpacingExtra() 4875 * 4876 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 4877 */ 4878 public float getLineSpacingMultiplier() { 4879 return mSpacingMult; 4880 } 4881 4882 /** 4883 * Gets the line spacing extra space 4884 * 4885 * @return the extra space that is added to the height of each lines of this TextView. 4886 * 4887 * @see #setLineSpacing(float, float) 4888 * @see #getLineSpacingMultiplier() 4889 * 4890 * @attr ref android.R.styleable#TextView_lineSpacingExtra 4891 */ 4892 public float getLineSpacingExtra() { 4893 return mSpacingAdd; 4894 } 4895 4896 /** 4897 * Convenience method to append the specified text to the TextView's 4898 * display buffer, upgrading it to {@link android.widget.TextView.BufferType#EDITABLE} 4899 * if it was not already editable. 4900 * 4901 * @param text text to be appended to the already displayed text 4902 */ 4903 public final void append(CharSequence text) { 4904 append(text, 0, text.length()); 4905 } 4906 4907 /** 4908 * Convenience method to append the specified text slice to the TextView's 4909 * display buffer, upgrading it to {@link android.widget.TextView.BufferType#EDITABLE} 4910 * if it was not already editable. 4911 * 4912 * @param text text to be appended to the already displayed text 4913 * @param start the index of the first character in the {@code text} 4914 * @param end the index of the character following the last character in the {@code text} 4915 * 4916 * @see Appendable#append(CharSequence, int, int) 4917 */ 4918 public void append(CharSequence text, int start, int end) { 4919 if (!(mText instanceof Editable)) { 4920 setText(mText, BufferType.EDITABLE); 4921 } 4922 4923 ((Editable) mText).append(text, start, end); 4924 4925 if (mAutoLinkMask != 0) { 4926 boolean linksWereAdded = Linkify.addLinks((Spannable) mText, mAutoLinkMask); 4927 // Do not change the movement method for text that support text selection as it 4928 // would prevent an arbitrary cursor displacement. 4929 if (linksWereAdded && mLinksClickable && !textCanBeSelected()) { 4930 setMovementMethod(LinkMovementMethod.getInstance()); 4931 } 4932 } 4933 } 4934 4935 private void updateTextColors() { 4936 boolean inval = false; 4937 int color = mTextColor.getColorForState(getDrawableState(), 0); 4938 if (color != mCurTextColor) { 4939 mCurTextColor = color; 4940 inval = true; 4941 } 4942 if (mLinkTextColor != null) { 4943 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 4944 if (color != mTextPaint.linkColor) { 4945 mTextPaint.linkColor = color; 4946 inval = true; 4947 } 4948 } 4949 if (mHintTextColor != null) { 4950 color = mHintTextColor.getColorForState(getDrawableState(), 0); 4951 if (color != mCurHintTextColor) { 4952 mCurHintTextColor = color; 4953 if (mText.length() == 0) { 4954 inval = true; 4955 } 4956 } 4957 } 4958 if (inval) { 4959 // Text needs to be redrawn with the new color 4960 if (mEditor != null) mEditor.invalidateTextDisplayList(); 4961 invalidate(); 4962 } 4963 } 4964 4965 @Override 4966 protected void drawableStateChanged() { 4967 super.drawableStateChanged(); 4968 4969 if (mTextColor != null && mTextColor.isStateful() 4970 || (mHintTextColor != null && mHintTextColor.isStateful()) 4971 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 4972 updateTextColors(); 4973 } 4974 4975 if (mDrawables != null) { 4976 final int[] state = getDrawableState(); 4977 for (Drawable dr : mDrawables.mShowing) { 4978 if (dr != null && dr.isStateful() && dr.setState(state)) { 4979 invalidateDrawable(dr); 4980 } 4981 } 4982 } 4983 } 4984 4985 @Override 4986 public void drawableHotspotChanged(float x, float y) { 4987 super.drawableHotspotChanged(x, y); 4988 4989 if (mDrawables != null) { 4990 for (Drawable dr : mDrawables.mShowing) { 4991 if (dr != null) { 4992 dr.setHotspot(x, y); 4993 } 4994 } 4995 } 4996 } 4997 4998 @Override 4999 public Parcelable onSaveInstanceState() { 5000 Parcelable superState = super.onSaveInstanceState(); 5001 5002 // Save state if we are forced to 5003 final boolean freezesText = getFreezesText(); 5004 boolean hasSelection = false; 5005 int start = -1; 5006 int end = -1; 5007 5008 if (mText != null) { 5009 start = getSelectionStart(); 5010 end = getSelectionEnd(); 5011 if (start >= 0 || end >= 0) { 5012 // Or save state if there is a selection 5013 hasSelection = true; 5014 } 5015 } 5016 5017 if (freezesText || hasSelection) { 5018 SavedState ss = new SavedState(superState); 5019 5020 if (freezesText) { 5021 if (mText instanceof Spanned) { 5022 final Spannable sp = new SpannableStringBuilder(mText); 5023 5024 if (mEditor != null) { 5025 removeMisspelledSpans(sp); 5026 sp.removeSpan(mEditor.mSuggestionRangeSpan); 5027 } 5028 5029 ss.text = sp; 5030 } else { 5031 ss.text = mText.toString(); 5032 } 5033 } 5034 5035 if (hasSelection) { 5036 // XXX Should also save the current scroll position! 5037 ss.selStart = start; 5038 ss.selEnd = end; 5039 } 5040 5041 if (isFocused() && start >= 0 && end >= 0) { 5042 ss.frozenWithFocus = true; 5043 } 5044 5045 ss.error = getError(); 5046 5047 if (mEditor != null) { 5048 ss.editorState = mEditor.saveInstanceState(); 5049 } 5050 return ss; 5051 } 5052 5053 return superState; 5054 } 5055 5056 void removeMisspelledSpans(Spannable spannable) { 5057 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 5058 SuggestionSpan.class); 5059 for (int i = 0; i < suggestionSpans.length; i++) { 5060 int flags = suggestionSpans[i].getFlags(); 5061 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 5062 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 5063 spannable.removeSpan(suggestionSpans[i]); 5064 } 5065 } 5066 } 5067 5068 @Override 5069 public void onRestoreInstanceState(Parcelable state) { 5070 if (!(state instanceof SavedState)) { 5071 super.onRestoreInstanceState(state); 5072 return; 5073 } 5074 5075 SavedState ss = (SavedState) state; 5076 super.onRestoreInstanceState(ss.getSuperState()); 5077 5078 // XXX restore buffer type too, as well as lots of other stuff 5079 if (ss.text != null) { 5080 setText(ss.text); 5081 } 5082 5083 if (ss.selStart >= 0 && ss.selEnd >= 0) { 5084 if (mText instanceof Spannable) { 5085 int len = mText.length(); 5086 5087 if (ss.selStart > len || ss.selEnd > len) { 5088 String restored = ""; 5089 5090 if (ss.text != null) { 5091 restored = "(restored) "; 5092 } 5093 5094 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + "/" + ss.selEnd 5095 + " out of range for " + restored + "text " + mText); 5096 } else { 5097 Selection.setSelection((Spannable) mText, ss.selStart, ss.selEnd); 5098 5099 if (ss.frozenWithFocus) { 5100 createEditorIfNeeded(); 5101 mEditor.mFrozenWithFocus = true; 5102 } 5103 } 5104 } 5105 } 5106 5107 if (ss.error != null) { 5108 final CharSequence error = ss.error; 5109 // Display the error later, after the first layout pass 5110 post(new Runnable() { 5111 public void run() { 5112 if (mEditor == null || !mEditor.mErrorWasChanged) { 5113 setError(error); 5114 } 5115 } 5116 }); 5117 } 5118 5119 if (ss.editorState != null) { 5120 createEditorIfNeeded(); 5121 mEditor.restoreInstanceState(ss.editorState); 5122 } 5123 } 5124 5125 /** 5126 * Control whether this text view saves its entire text contents when 5127 * freezing to an icicle, in addition to dynamic state such as cursor 5128 * position. By default this is false, not saving the text. Set to true 5129 * if the text in the text view is not being saved somewhere else in 5130 * persistent storage (such as in a content provider) so that if the 5131 * view is later thawed the user will not lose their data. For 5132 * {@link android.widget.EditText} it is always enabled, regardless of 5133 * the value of the attribute. 5134 * 5135 * @param freezesText Controls whether a frozen icicle should include the 5136 * entire text data: true to include it, false to not. 5137 * 5138 * @attr ref android.R.styleable#TextView_freezesText 5139 */ 5140 @android.view.RemotableViewMethod 5141 public void setFreezesText(boolean freezesText) { 5142 mFreezesText = freezesText; 5143 } 5144 5145 /** 5146 * Return whether this text view is including its entire text contents 5147 * in frozen icicles. For {@link android.widget.EditText} it always returns true. 5148 * 5149 * @return Returns true if text is included, false if it isn't. 5150 * 5151 * @see #setFreezesText 5152 */ 5153 public boolean getFreezesText() { 5154 return mFreezesText; 5155 } 5156 5157 /////////////////////////////////////////////////////////////////////////// 5158 5159 /** 5160 * Sets the Factory used to create new {@link Editable Editables}. 5161 * 5162 * @param factory {@link android.text.Editable.Factory Editable.Factory} to be used 5163 * 5164 * @see android.text.Editable.Factory 5165 * @see android.widget.TextView.BufferType#EDITABLE 5166 */ 5167 public final void setEditableFactory(Editable.Factory factory) { 5168 mEditableFactory = factory; 5169 setText(mText); 5170 } 5171 5172 /** 5173 * Sets the Factory used to create new {@link Spannable Spannables}. 5174 * 5175 * @param factory {@link android.text.Spannable.Factory Spannable.Factory} to be used 5176 * 5177 * @see android.text.Spannable.Factory 5178 * @see android.widget.TextView.BufferType#SPANNABLE 5179 */ 5180 public final void setSpannableFactory(Spannable.Factory factory) { 5181 mSpannableFactory = factory; 5182 setText(mText); 5183 } 5184 5185 /** 5186 * Sets the text to be displayed. TextView <em>does not</em> accept 5187 * HTML-like formatting, which you can do with text strings in XML resource files. 5188 * To style your strings, attach android.text.style.* objects to a 5189 * {@link android.text.SpannableString}, or see the 5190 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 5191 * Available Resource Types</a> documentation for an example of setting 5192 * formatted text in the XML resource file. 5193 * <p/> 5194 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5195 * intermediate {@link Spannable Spannables}. Likewise it will use 5196 * {@link android.text.Editable.Factory} to create final or intermediate 5197 * {@link Editable Editables}. 5198 * 5199 * @param text text to be displayed 5200 * 5201 * @attr ref android.R.styleable#TextView_text 5202 */ 5203 @android.view.RemotableViewMethod 5204 public final void setText(CharSequence text) { 5205 setText(text, mBufferType); 5206 } 5207 5208 /** 5209 * Sets the text to be displayed but retains the cursor position. Same as 5210 * {@link #setText(CharSequence)} except that the cursor position (if any) is retained in the 5211 * new text. 5212 * <p/> 5213 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5214 * intermediate {@link Spannable Spannables}. Likewise it will use 5215 * {@link android.text.Editable.Factory} to create final or intermediate 5216 * {@link Editable Editables}. 5217 * 5218 * @param text text to be displayed 5219 * 5220 * @see #setText(CharSequence) 5221 */ 5222 @android.view.RemotableViewMethod 5223 public final void setTextKeepState(CharSequence text) { 5224 setTextKeepState(text, mBufferType); 5225 } 5226 5227 /** 5228 * Sets the text to be displayed and the {@link android.widget.TextView.BufferType}. 5229 * <p/> 5230 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5231 * intermediate {@link Spannable Spannables}. Likewise it will use 5232 * {@link android.text.Editable.Factory} to create final or intermediate 5233 * {@link Editable Editables}. 5234 * 5235 * @param text text to be displayed 5236 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5237 * stored as a static text, styleable/spannable text, or editable text 5238 * 5239 * @see #setText(CharSequence) 5240 * @see android.widget.TextView.BufferType 5241 * @see #setSpannableFactory(Spannable.Factory) 5242 * @see #setEditableFactory(Editable.Factory) 5243 * 5244 * @attr ref android.R.styleable#TextView_text 5245 * @attr ref android.R.styleable#TextView_bufferType 5246 */ 5247 public void setText(CharSequence text, BufferType type) { 5248 setText(text, type, true, 0); 5249 5250 if (mCharWrapper != null) { 5251 mCharWrapper.mChars = null; 5252 } 5253 } 5254 5255 private void setText(CharSequence text, BufferType type, 5256 boolean notifyBefore, int oldlen) { 5257 mTextFromResource = false; 5258 if (text == null) { 5259 text = ""; 5260 } 5261 5262 // If suggestions are not enabled, remove the suggestion spans from the text 5263 if (!isSuggestionsEnabled()) { 5264 text = removeSuggestionSpans(text); 5265 } 5266 5267 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 5268 5269 if (text instanceof Spanned 5270 && ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 5271 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 5272 setHorizontalFadingEdgeEnabled(true); 5273 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 5274 } else { 5275 setHorizontalFadingEdgeEnabled(false); 5276 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 5277 } 5278 setEllipsize(TextUtils.TruncateAt.MARQUEE); 5279 } 5280 5281 int n = mFilters.length; 5282 for (int i = 0; i < n; i++) { 5283 CharSequence out = mFilters[i].filter(text, 0, text.length(), EMPTY_SPANNED, 0, 0); 5284 if (out != null) { 5285 text = out; 5286 } 5287 } 5288 5289 if (notifyBefore) { 5290 if (mText != null) { 5291 oldlen = mText.length(); 5292 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 5293 } else { 5294 sendBeforeTextChanged("", 0, 0, text.length()); 5295 } 5296 } 5297 5298 boolean needEditableForNotification = false; 5299 5300 if (mListeners != null && mListeners.size() != 0) { 5301 needEditableForNotification = true; 5302 } 5303 5304 if (type == BufferType.EDITABLE || getKeyListener() != null 5305 || needEditableForNotification) { 5306 createEditorIfNeeded(); 5307 mEditor.forgetUndoRedo(); 5308 Editable t = mEditableFactory.newEditable(text); 5309 text = t; 5310 setFilters(t, mFilters); 5311 InputMethodManager imm = InputMethodManager.peekInstance(); 5312 if (imm != null) imm.restartInput(this); 5313 } else if (type == BufferType.SPANNABLE || mMovement != null) { 5314 text = mSpannableFactory.newSpannable(text); 5315 } else if (!(text instanceof CharWrapper)) { 5316 text = TextUtils.stringOrSpannedString(text); 5317 } 5318 5319 if (mAutoLinkMask != 0) { 5320 Spannable s2; 5321 5322 if (type == BufferType.EDITABLE || text instanceof Spannable) { 5323 s2 = (Spannable) text; 5324 } else { 5325 s2 = mSpannableFactory.newSpannable(text); 5326 } 5327 5328 if (Linkify.addLinks(s2, mAutoLinkMask)) { 5329 text = s2; 5330 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 5331 5332 /* 5333 * We must go ahead and set the text before changing the 5334 * movement method, because setMovementMethod() may call 5335 * setText() again to try to upgrade the buffer type. 5336 */ 5337 mText = text; 5338 5339 // Do not change the movement method for text that support text selection as it 5340 // would prevent an arbitrary cursor displacement. 5341 if (mLinksClickable && !textCanBeSelected()) { 5342 setMovementMethod(LinkMovementMethod.getInstance()); 5343 } 5344 } 5345 } 5346 5347 mBufferType = type; 5348 mText = text; 5349 5350 if (mTransformation == null) { 5351 mTransformed = text; 5352 } else { 5353 mTransformed = mTransformation.getTransformation(text, this); 5354 } 5355 5356 final int textLength = text.length(); 5357 5358 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 5359 Spannable sp = (Spannable) text; 5360 5361 // Remove any ChangeWatchers that might have come from other TextViews. 5362 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 5363 final int count = watchers.length; 5364 for (int i = 0; i < count; i++) { 5365 sp.removeSpan(watchers[i]); 5366 } 5367 5368 if (mChangeWatcher == null) mChangeWatcher = new ChangeWatcher(); 5369 5370 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE 5371 | (CHANGE_WATCHER_PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 5372 5373 if (mEditor != null) mEditor.addSpanWatchers(sp); 5374 5375 if (mTransformation != null) { 5376 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 5377 } 5378 5379 if (mMovement != null) { 5380 mMovement.initialize(this, (Spannable) text); 5381 5382 /* 5383 * Initializing the movement method will have set the 5384 * selection, so reset mSelectionMoved to keep that from 5385 * interfering with the normal on-focus selection-setting. 5386 */ 5387 if (mEditor != null) mEditor.mSelectionMoved = false; 5388 } 5389 } 5390 5391 if (mLayout != null) { 5392 checkForRelayout(); 5393 } 5394 5395 sendOnTextChanged(text, 0, oldlen, textLength); 5396 onTextChanged(text, 0, oldlen, textLength); 5397 5398 notifyViewAccessibilityStateChangedIfNeeded(AccessibilityEvent.CONTENT_CHANGE_TYPE_TEXT); 5399 5400 if (needEditableForNotification) { 5401 sendAfterTextChanged((Editable) text); 5402 } else { 5403 // Always notify AutoFillManager - it will return right away if autofill is disabled. 5404 notifyAutoFillManagerAfterTextChangedIfNeeded(); 5405 } 5406 5407 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 5408 if (mEditor != null) mEditor.prepareCursorControllers(); 5409 } 5410 5411 /** 5412 * Sets the TextView to display the specified slice of the specified 5413 * char array. You must promise that you will not change the contents 5414 * of the array except for right before another call to setText(), 5415 * since the TextView has no way to know that the text 5416 * has changed and that it needs to invalidate and re-layout. 5417 * 5418 * @param text char array to be displayed 5419 * @param start start index in the char array 5420 * @param len length of char count after {@code start} 5421 */ 5422 public final void setText(char[] text, int start, int len) { 5423 int oldlen = 0; 5424 5425 if (start < 0 || len < 0 || start + len > text.length) { 5426 throw new IndexOutOfBoundsException(start + ", " + len); 5427 } 5428 5429 /* 5430 * We must do the before-notification here ourselves because if 5431 * the old text is a CharWrapper we destroy it before calling 5432 * into the normal path. 5433 */ 5434 if (mText != null) { 5435 oldlen = mText.length(); 5436 sendBeforeTextChanged(mText, 0, oldlen, len); 5437 } else { 5438 sendBeforeTextChanged("", 0, 0, len); 5439 } 5440 5441 if (mCharWrapper == null) { 5442 mCharWrapper = new CharWrapper(text, start, len); 5443 } else { 5444 mCharWrapper.set(text, start, len); 5445 } 5446 5447 setText(mCharWrapper, mBufferType, false, oldlen); 5448 } 5449 5450 /** 5451 * Sets the text to be displayed and the {@link android.widget.TextView.BufferType} but retains 5452 * the cursor position. Same as 5453 * {@link #setText(CharSequence, android.widget.TextView.BufferType)} except that the cursor 5454 * position (if any) is retained in the new text. 5455 * <p/> 5456 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5457 * intermediate {@link Spannable Spannables}. Likewise it will use 5458 * {@link android.text.Editable.Factory} to create final or intermediate 5459 * {@link Editable Editables}. 5460 * 5461 * @param text text to be displayed 5462 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5463 * stored as a static text, styleable/spannable text, or editable text 5464 * 5465 * @see #setText(CharSequence, android.widget.TextView.BufferType) 5466 */ 5467 public final void setTextKeepState(CharSequence text, BufferType type) { 5468 int start = getSelectionStart(); 5469 int end = getSelectionEnd(); 5470 int len = text.length(); 5471 5472 setText(text, type); 5473 5474 if (start >= 0 || end >= 0) { 5475 if (mText instanceof Spannable) { 5476 Selection.setSelection((Spannable) mText, 5477 Math.max(0, Math.min(start, len)), 5478 Math.max(0, Math.min(end, len))); 5479 } 5480 } 5481 } 5482 5483 /** 5484 * Sets the text to be displayed using a string resource identifier. 5485 * 5486 * @param resid the resource identifier of the string resource to be displayed 5487 * 5488 * @see #setText(CharSequence) 5489 * 5490 * @attr ref android.R.styleable#TextView_text 5491 */ 5492 @android.view.RemotableViewMethod 5493 public final void setText(@StringRes int resid) { 5494 setText(getContext().getResources().getText(resid)); 5495 mTextFromResource = true; 5496 } 5497 5498 /** 5499 * Sets the text to be displayed using a string resource identifier and the 5500 * {@link android.widget.TextView.BufferType}. 5501 * <p/> 5502 * When required, TextView will use {@link android.text.Spannable.Factory} to create final or 5503 * intermediate {@link Spannable Spannables}. Likewise it will use 5504 * {@link android.text.Editable.Factory} to create final or intermediate 5505 * {@link Editable Editables}. 5506 * 5507 * @param resid the resource identifier of the string resource to be displayed 5508 * @param type a {@link android.widget.TextView.BufferType} which defines whether the text is 5509 * stored as a static text, styleable/spannable text, or editable text 5510 * 5511 * @see #setText(int) 5512 * @see #setText(CharSequence) 5513 * @see android.widget.TextView.BufferType 5514 * @see #setSpannableFactory(Spannable.Factory) 5515 * @see #setEditableFactory(Editable.Factory) 5516 * 5517 * @attr ref android.R.styleable#TextView_text 5518 * @attr ref android.R.styleable#TextView_bufferType 5519 */ 5520 public final void setText(@StringRes int resid, BufferType type) { 5521 setText(getContext().getResources().getText(resid), type); 5522 mTextFromResource = true; 5523 } 5524 5525 /** 5526 * Sets the text to be displayed when the text of the TextView is empty. 5527 * Null means to use the normal empty text. The hint does not currently 5528 * participate in determining the size of the view. 5529 * 5530 * @attr ref android.R.styleable#TextView_hint 5531 */ 5532 @android.view.RemotableViewMethod 5533 public final void setHint(CharSequence hint) { 5534 mHint = TextUtils.stringOrSpannedString(hint); 5535 5536 if (mLayout != null) { 5537 checkForRelayout(); 5538 } 5539 5540 if (mText.length() == 0) { 5541 invalidate(); 5542 } 5543 5544 // Invalidate display list if hint is currently used 5545 if (mEditor != null && mText.length() == 0 && mHint != null) { 5546 mEditor.invalidateTextDisplayList(); 5547 } 5548 } 5549 5550 /** 5551 * Sets the text to be displayed when the text of the TextView is empty, 5552 * from a resource. 5553 * 5554 * @attr ref android.R.styleable#TextView_hint 5555 */ 5556 @android.view.RemotableViewMethod 5557 public final void setHint(@StringRes int resid) { 5558 setHint(getContext().getResources().getText(resid)); 5559 } 5560 5561 /** 5562 * Returns the hint that is displayed when the text of the TextView 5563 * is empty. 5564 * 5565 * @attr ref android.R.styleable#TextView_hint 5566 */ 5567 @ViewDebug.CapturedViewProperty 5568 public CharSequence getHint() { 5569 return mHint; 5570 } 5571 5572 boolean isSingleLine() { 5573 return mSingleLine; 5574 } 5575 5576 private static boolean isMultilineInputType(int type) { 5577 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) 5578 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 5579 } 5580 5581 /** 5582 * Removes the suggestion spans. 5583 */ 5584 CharSequence removeSuggestionSpans(CharSequence text) { 5585 if (text instanceof Spanned) { 5586 Spannable spannable; 5587 if (text instanceof Spannable) { 5588 spannable = (Spannable) text; 5589 } else { 5590 spannable = mSpannableFactory.newSpannable(text); 5591 text = spannable; 5592 } 5593 5594 SuggestionSpan[] spans = spannable.getSpans(0, text.length(), SuggestionSpan.class); 5595 for (int i = 0; i < spans.length; i++) { 5596 spannable.removeSpan(spans[i]); 5597 } 5598 } 5599 return text; 5600 } 5601 5602 /** 5603 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 5604 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 5605 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 5606 * then a soft keyboard will not be displayed for this text view. 5607 * 5608 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 5609 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 5610 * type. 5611 * 5612 * @see #getInputType() 5613 * @see #setRawInputType(int) 5614 * @see android.text.InputType 5615 * @attr ref android.R.styleable#TextView_inputType 5616 */ 5617 public void setInputType(int type) { 5618 final boolean wasPassword = isPasswordInputType(getInputType()); 5619 final boolean wasVisiblePassword = isVisiblePasswordInputType(getInputType()); 5620 setInputType(type, false); 5621 final boolean isPassword = isPasswordInputType(type); 5622 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 5623 boolean forceUpdate = false; 5624 if (isPassword) { 5625 setTransformationMethod(PasswordTransformationMethod.getInstance()); 5626 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, MONOSPACE, 0); 5627 } else if (isVisiblePassword) { 5628 if (mTransformation == PasswordTransformationMethod.getInstance()) { 5629 forceUpdate = true; 5630 } 5631 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, MONOSPACE, 0); 5632 } else if (wasPassword || wasVisiblePassword) { 5633 // not in password mode, clean up typeface and transformation 5634 setTypefaceFromAttrs(null/* fontTypeface */, null /* fontFamily */, -1, -1); 5635 if (mTransformation == PasswordTransformationMethod.getInstance()) { 5636 forceUpdate = true; 5637 } 5638 } 5639 5640 boolean singleLine = !isMultilineInputType(type); 5641 5642 // We need to update the single line mode if it has changed or we 5643 // were previously in password mode. 5644 if (mSingleLine != singleLine || forceUpdate) { 5645 // Change single line mode, but only change the transformation if 5646 // we are not in password mode. 5647 applySingleLine(singleLine, !isPassword, true); 5648 } 5649 5650 if (!isSuggestionsEnabled()) { 5651 mText = removeSuggestionSpans(mText); 5652 } 5653 5654 InputMethodManager imm = InputMethodManager.peekInstance(); 5655 if (imm != null) imm.restartInput(this); 5656 } 5657 5658 /** 5659 * It would be better to rely on the input type for everything. A password inputType should have 5660 * a password transformation. We should hence use isPasswordInputType instead of this method. 5661 * 5662 * We should: 5663 * - Call setInputType in setKeyListener instead of changing the input type directly (which 5664 * would install the correct transformation). 5665 * - Refuse the installation of a non-password transformation in setTransformation if the input 5666 * type is password. 5667 * 5668 * However, this is like this for legacy reasons and we cannot break existing apps. This method 5669 * is useful since it matches what the user can see (obfuscated text or not). 5670 * 5671 * @return true if the current transformation method is of the password type. 5672 */ 5673 boolean hasPasswordTransformationMethod() { 5674 return mTransformation instanceof PasswordTransformationMethod; 5675 } 5676 5677 private static boolean isPasswordInputType(int inputType) { 5678 final int variation = 5679 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 5680 return variation 5681 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 5682 || variation 5683 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 5684 || variation 5685 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 5686 } 5687 5688 private static boolean isVisiblePasswordInputType(int inputType) { 5689 final int variation = 5690 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 5691 return variation 5692 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 5693 } 5694 5695 /** 5696 * Directly change the content type integer of the text view, without 5697 * modifying any other state. 5698 * @see #setInputType(int) 5699 * @see android.text.InputType 5700 * @attr ref android.R.styleable#TextView_inputType 5701 */ 5702 public void setRawInputType(int type) { 5703 if (type == InputType.TYPE_NULL && mEditor == null) return; //TYPE_NULL is the default value 5704 createEditorIfNeeded(); 5705 mEditor.mInputType = type; 5706 } 5707 5708 /** 5709 * @return {@code null} if the key listener should use pre-O (locale-independent). Otherwise 5710 * a {@code Locale} object that can be used to customize key various listeners. 5711 * @see DateKeyListener#getInstance(Locale) 5712 * @see DateTimeKeyListener#getInstance(Locale) 5713 * @see DigitsKeyListener#getInstance(Locale) 5714 * @see TimeKeyListener#getInstance(Locale) 5715 */ 5716 @Nullable 5717 private Locale getCustomLocaleForKeyListenerOrNull() { 5718 if (!mUseInternationalizedInput) { 5719 // If the application does not target O, stick to the previous behavior. 5720 return null; 5721 } 5722 final LocaleList locales = getImeHintLocales(); 5723 if (locales == null) { 5724 // If the application does not explicitly specify IME hint locale, also stick to the 5725 // previous behavior. 5726 return null; 5727 } 5728 return locales.get(0); 5729 } 5730 5731 private void setInputType(int type, boolean direct) { 5732 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 5733 KeyListener input; 5734 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 5735 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 5736 TextKeyListener.Capitalize cap; 5737 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 5738 cap = TextKeyListener.Capitalize.CHARACTERS; 5739 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 5740 cap = TextKeyListener.Capitalize.WORDS; 5741 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 5742 cap = TextKeyListener.Capitalize.SENTENCES; 5743 } else { 5744 cap = TextKeyListener.Capitalize.NONE; 5745 } 5746 input = TextKeyListener.getInstance(autotext, cap); 5747 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 5748 final Locale locale = getCustomLocaleForKeyListenerOrNull(); 5749 input = DigitsKeyListener.getInstance( 5750 locale, 5751 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 5752 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 5753 if (locale != null) { 5754 // Override type, if necessary for i18n. 5755 int newType = input.getInputType(); 5756 final int newClass = newType & EditorInfo.TYPE_MASK_CLASS; 5757 if (newClass != EditorInfo.TYPE_CLASS_NUMBER) { 5758 // The class is different from the original class. So we need to override 5759 // 'type'. But we want to keep the password flag if it's there. 5760 if ((type & EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD) != 0) { 5761 newType |= EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 5762 } 5763 type = newType; 5764 } 5765 } 5766 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 5767 final Locale locale = getCustomLocaleForKeyListenerOrNull(); 5768 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 5769 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 5770 input = DateKeyListener.getInstance(locale); 5771 break; 5772 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 5773 input = TimeKeyListener.getInstance(locale); 5774 break; 5775 default: 5776 input = DateTimeKeyListener.getInstance(locale); 5777 break; 5778 } 5779 if (mUseInternationalizedInput) { 5780 type = input.getInputType(); // Override type, if necessary for i18n. 5781 } 5782 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 5783 input = DialerKeyListener.getInstance(); 5784 } else { 5785 input = TextKeyListener.getInstance(); 5786 } 5787 setRawInputType(type); 5788 mListenerChanged = false; 5789 if (direct) { 5790 createEditorIfNeeded(); 5791 mEditor.mKeyListener = input; 5792 } else { 5793 setKeyListenerOnly(input); 5794 } 5795 } 5796 5797 /** 5798 * Get the type of the editable content. 5799 * 5800 * @see #setInputType(int) 5801 * @see android.text.InputType 5802 */ 5803 public int getInputType() { 5804 return mEditor == null ? EditorInfo.TYPE_NULL : mEditor.mInputType; 5805 } 5806 5807 /** 5808 * Change the editor type integer associated with the text view, which 5809 * is reported to an Input Method Editor (IME) with {@link EditorInfo#imeOptions} 5810 * when it has focus. 5811 * @see #getImeOptions 5812 * @see android.view.inputmethod.EditorInfo 5813 * @attr ref android.R.styleable#TextView_imeOptions 5814 */ 5815 public void setImeOptions(int imeOptions) { 5816 createEditorIfNeeded(); 5817 mEditor.createInputContentTypeIfNeeded(); 5818 mEditor.mInputContentType.imeOptions = imeOptions; 5819 } 5820 5821 /** 5822 * Get the type of the Input Method Editor (IME). 5823 * @return the type of the IME 5824 * @see #setImeOptions(int) 5825 * @see android.view.inputmethod.EditorInfo 5826 */ 5827 public int getImeOptions() { 5828 return mEditor != null && mEditor.mInputContentType != null 5829 ? mEditor.mInputContentType.imeOptions : EditorInfo.IME_NULL; 5830 } 5831 5832 /** 5833 * Change the custom IME action associated with the text view, which 5834 * will be reported to an IME with {@link EditorInfo#actionLabel} 5835 * and {@link EditorInfo#actionId} when it has focus. 5836 * @see #getImeActionLabel 5837 * @see #getImeActionId 5838 * @see android.view.inputmethod.EditorInfo 5839 * @attr ref android.R.styleable#TextView_imeActionLabel 5840 * @attr ref android.R.styleable#TextView_imeActionId 5841 */ 5842 public void setImeActionLabel(CharSequence label, int actionId) { 5843 createEditorIfNeeded(); 5844 mEditor.createInputContentTypeIfNeeded(); 5845 mEditor.mInputContentType.imeActionLabel = label; 5846 mEditor.mInputContentType.imeActionId = actionId; 5847 } 5848 5849 /** 5850 * Get the IME action label previous set with {@link #setImeActionLabel}. 5851 * 5852 * @see #setImeActionLabel 5853 * @see android.view.inputmethod.EditorInfo 5854 */ 5855 public CharSequence getImeActionLabel() { 5856 return mEditor != null && mEditor.mInputContentType != null 5857 ? mEditor.mInputContentType.imeActionLabel : null; 5858 } 5859 5860 /** 5861 * Get the IME action ID previous set with {@link #setImeActionLabel}. 5862 * 5863 * @see #setImeActionLabel 5864 * @see android.view.inputmethod.EditorInfo 5865 */ 5866 public int getImeActionId() { 5867 return mEditor != null && mEditor.mInputContentType != null 5868 ? mEditor.mInputContentType.imeActionId : 0; 5869 } 5870 5871 /** 5872 * Set a special listener to be called when an action is performed 5873 * on the text view. This will be called when the enter key is pressed, 5874 * or when an action supplied to the IME is selected by the user. Setting 5875 * this means that the normal hard key event will not insert a newline 5876 * into the text view, even if it is multi-line; holding down the ALT 5877 * modifier will, however, allow the user to insert a newline character. 5878 */ 5879 public void setOnEditorActionListener(OnEditorActionListener l) { 5880 createEditorIfNeeded(); 5881 mEditor.createInputContentTypeIfNeeded(); 5882 mEditor.mInputContentType.onEditorActionListener = l; 5883 } 5884 5885 /** 5886 * Called when an attached input method calls 5887 * {@link InputConnection#performEditorAction(int) 5888 * InputConnection.performEditorAction()} 5889 * for this text view. The default implementation will call your action 5890 * listener supplied to {@link #setOnEditorActionListener}, or perform 5891 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 5892 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 5893 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 5894 * EditorInfo.IME_ACTION_DONE}. 5895 * 5896 * <p>For backwards compatibility, if no IME options have been set and the 5897 * text view would not normally advance focus on enter, then 5898 * the NEXT and DONE actions received here will be turned into an enter 5899 * key down/up pair to go through the normal key handling. 5900 * 5901 * @param actionCode The code of the action being performed. 5902 * 5903 * @see #setOnEditorActionListener 5904 */ 5905 public void onEditorAction(int actionCode) { 5906 final Editor.InputContentType ict = mEditor == null ? null : mEditor.mInputContentType; 5907 if (ict != null) { 5908 if (ict.onEditorActionListener != null) { 5909 if (ict.onEditorActionListener.onEditorAction(this, 5910 actionCode, null)) { 5911 return; 5912 } 5913 } 5914 5915 // This is the handling for some default action. 5916 // Note that for backwards compatibility we don't do this 5917 // default handling if explicit ime options have not been given, 5918 // instead turning this into the normal enter key codes that an 5919 // app may be expecting. 5920 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 5921 View v = focusSearch(FOCUS_FORWARD); 5922 if (v != null) { 5923 if (!v.requestFocus(FOCUS_FORWARD)) { 5924 throw new IllegalStateException("focus search returned a view " 5925 + "that wasn't able to take focus!"); 5926 } 5927 } 5928 return; 5929 5930 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 5931 View v = focusSearch(FOCUS_BACKWARD); 5932 if (v != null) { 5933 if (!v.requestFocus(FOCUS_BACKWARD)) { 5934 throw new IllegalStateException("focus search returned a view " 5935 + "that wasn't able to take focus!"); 5936 } 5937 } 5938 return; 5939 5940 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 5941 InputMethodManager imm = InputMethodManager.peekInstance(); 5942 if (imm != null && imm.isActive(this)) { 5943 imm.hideSoftInputFromWindow(getWindowToken(), 0); 5944 } 5945 return; 5946 } 5947 } 5948 5949 ViewRootImpl viewRootImpl = getViewRootImpl(); 5950 if (viewRootImpl != null) { 5951 long eventTime = SystemClock.uptimeMillis(); 5952 viewRootImpl.dispatchKeyFromIme( 5953 new KeyEvent(eventTime, eventTime, 5954 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 5955 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 5956 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 5957 | KeyEvent.FLAG_EDITOR_ACTION)); 5958 viewRootImpl.dispatchKeyFromIme( 5959 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 5960 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 5961 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 5962 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 5963 | KeyEvent.FLAG_EDITOR_ACTION)); 5964 } 5965 } 5966 5967 /** 5968 * Set the private content type of the text, which is the 5969 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 5970 * field that will be filled in when creating an input connection. 5971 * 5972 * @see #getPrivateImeOptions() 5973 * @see EditorInfo#privateImeOptions 5974 * @attr ref android.R.styleable#TextView_privateImeOptions 5975 */ 5976 public void setPrivateImeOptions(String type) { 5977 createEditorIfNeeded(); 5978 mEditor.createInputContentTypeIfNeeded(); 5979 mEditor.mInputContentType.privateImeOptions = type; 5980 } 5981 5982 /** 5983 * Get the private type of the content. 5984 * 5985 * @see #setPrivateImeOptions(String) 5986 * @see EditorInfo#privateImeOptions 5987 */ 5988 public String getPrivateImeOptions() { 5989 return mEditor != null && mEditor.mInputContentType != null 5990 ? mEditor.mInputContentType.privateImeOptions : null; 5991 } 5992 5993 /** 5994 * Set the extra input data of the text, which is the 5995 * {@link EditorInfo#extras TextBoxAttribute.extras} 5996 * Bundle that will be filled in when creating an input connection. The 5997 * given integer is the resource identifier of an XML resource holding an 5998 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 5999 * 6000 * @see #getInputExtras(boolean) 6001 * @see EditorInfo#extras 6002 * @attr ref android.R.styleable#TextView_editorExtras 6003 */ 6004 public void setInputExtras(@XmlRes int xmlResId) throws XmlPullParserException, IOException { 6005 createEditorIfNeeded(); 6006 XmlResourceParser parser = getResources().getXml(xmlResId); 6007 mEditor.createInputContentTypeIfNeeded(); 6008 mEditor.mInputContentType.extras = new Bundle(); 6009 getResources().parseBundleExtras(parser, mEditor.mInputContentType.extras); 6010 } 6011 6012 /** 6013 * Retrieve the input extras currently associated with the text view, which 6014 * can be viewed as well as modified. 6015 * 6016 * @param create If true, the extras will be created if they don't already 6017 * exist. Otherwise, null will be returned if none have been created. 6018 * @see #setInputExtras(int) 6019 * @see EditorInfo#extras 6020 * @attr ref android.R.styleable#TextView_editorExtras 6021 */ 6022 public Bundle getInputExtras(boolean create) { 6023 if (mEditor == null && !create) return null; 6024 createEditorIfNeeded(); 6025 if (mEditor.mInputContentType == null) { 6026 if (!create) return null; 6027 mEditor.createInputContentTypeIfNeeded(); 6028 } 6029 if (mEditor.mInputContentType.extras == null) { 6030 if (!create) return null; 6031 mEditor.mInputContentType.extras = new Bundle(); 6032 } 6033 return mEditor.mInputContentType.extras; 6034 } 6035 6036 /** 6037 * Change "hint" locales associated with the text view, which will be reported to an IME with 6038 * {@link EditorInfo#hintLocales} when it has focus. 6039 * 6040 * Starting with Android O, this also causes internationalized listeners to be created (or 6041 * change locale) based on the first locale in the input locale list. 6042 * 6043 * <p><strong>Note:</strong> If you want new "hint" to take effect immediately you need to 6044 * call {@link InputMethodManager#restartInput(View)}.</p> 6045 * @param hintLocales List of the languages that the user is supposed to switch to no matter 6046 * what input method subtype is currently used. Set {@code null} to clear the current "hint". 6047 * @see #getImeHintLocales() 6048 * @see android.view.inputmethod.EditorInfo#hintLocales 6049 */ 6050 public void setImeHintLocales(@Nullable LocaleList hintLocales) { 6051 createEditorIfNeeded(); 6052 mEditor.createInputContentTypeIfNeeded(); 6053 mEditor.mInputContentType.imeHintLocales = hintLocales; 6054 if (mUseInternationalizedInput) { 6055 changeListenerLocaleTo(hintLocales == null ? null : hintLocales.get(0)); 6056 } 6057 } 6058 6059 /** 6060 * @return The current languages list "hint". {@code null} when no "hint" is available. 6061 * @see #setImeHintLocales(LocaleList) 6062 * @see android.view.inputmethod.EditorInfo#hintLocales 6063 */ 6064 @Nullable 6065 public LocaleList getImeHintLocales() { 6066 if (mEditor == null) { 6067 return null; 6068 } 6069 if (mEditor.mInputContentType == null) { 6070 return null; 6071 } 6072 return mEditor.mInputContentType.imeHintLocales; 6073 } 6074 6075 /** 6076 * Returns the error message that was set to be displayed with 6077 * {@link #setError}, or <code>null</code> if no error was set 6078 * or if it the error was cleared by the widget after user input. 6079 */ 6080 public CharSequence getError() { 6081 return mEditor == null ? null : mEditor.mError; 6082 } 6083 6084 /** 6085 * Sets the right-hand compound drawable of the TextView to the "error" 6086 * icon and sets an error message that will be displayed in a popup when 6087 * the TextView has focus. The icon and error message will be reset to 6088 * null when any key events cause changes to the TextView's text. If the 6089 * <code>error</code> is <code>null</code>, the error message and icon 6090 * will be cleared. 6091 */ 6092 @android.view.RemotableViewMethod 6093 public void setError(CharSequence error) { 6094 if (error == null) { 6095 setError(null, null); 6096 } else { 6097 Drawable dr = getContext().getDrawable( 6098 com.android.internal.R.drawable.indicator_input_error); 6099 6100 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 6101 setError(error, dr); 6102 } 6103 } 6104 6105 /** 6106 * Sets the right-hand compound drawable of the TextView to the specified 6107 * icon and sets an error message that will be displayed in a popup when 6108 * the TextView has focus. The icon and error message will be reset to 6109 * null when any key events cause changes to the TextView's text. The 6110 * drawable must already have had {@link Drawable#setBounds} set on it. 6111 * If the <code>error</code> is <code>null</code>, the error message will 6112 * be cleared (and you should provide a <code>null</code> icon as well). 6113 */ 6114 public void setError(CharSequence error, Drawable icon) { 6115 createEditorIfNeeded(); 6116 mEditor.setError(error, icon); 6117 notifyViewAccessibilityStateChangedIfNeeded( 6118 AccessibilityEvent.CONTENT_CHANGE_TYPE_UNDEFINED); 6119 } 6120 6121 @Override 6122 protected boolean setFrame(int l, int t, int r, int b) { 6123 boolean result = super.setFrame(l, t, r, b); 6124 6125 if (mEditor != null) mEditor.setFrame(); 6126 6127 restartMarqueeIfNeeded(); 6128 6129 return result; 6130 } 6131 6132 private void restartMarqueeIfNeeded() { 6133 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 6134 mRestartMarquee = false; 6135 startMarquee(); 6136 } 6137 } 6138 6139 /** 6140 * Sets the list of input filters that will be used if the buffer is 6141 * Editable. Has no effect otherwise. 6142 * 6143 * @attr ref android.R.styleable#TextView_maxLength 6144 */ 6145 public void setFilters(InputFilter[] filters) { 6146 if (filters == null) { 6147 throw new IllegalArgumentException(); 6148 } 6149 6150 mFilters = filters; 6151 6152 if (mText instanceof Editable) { 6153 setFilters((Editable) mText, filters); 6154 } 6155 } 6156 6157 /** 6158 * Sets the list of input filters on the specified Editable, 6159 * and includes mInput in the list if it is an InputFilter. 6160 */ 6161 private void setFilters(Editable e, InputFilter[] filters) { 6162 if (mEditor != null) { 6163 final boolean undoFilter = mEditor.mUndoInputFilter != null; 6164 final boolean keyFilter = mEditor.mKeyListener instanceof InputFilter; 6165 int num = 0; 6166 if (undoFilter) num++; 6167 if (keyFilter) num++; 6168 if (num > 0) { 6169 InputFilter[] nf = new InputFilter[filters.length + num]; 6170 6171 System.arraycopy(filters, 0, nf, 0, filters.length); 6172 num = 0; 6173 if (undoFilter) { 6174 nf[filters.length] = mEditor.mUndoInputFilter; 6175 num++; 6176 } 6177 if (keyFilter) { 6178 nf[filters.length + num] = (InputFilter) mEditor.mKeyListener; 6179 } 6180 6181 e.setFilters(nf); 6182 return; 6183 } 6184 } 6185 e.setFilters(filters); 6186 } 6187 6188 /** 6189 * Returns the current list of input filters. 6190 * 6191 * @attr ref android.R.styleable#TextView_maxLength 6192 */ 6193 public InputFilter[] getFilters() { 6194 return mFilters; 6195 } 6196 6197 ///////////////////////////////////////////////////////////////////////// 6198 6199 private int getBoxHeight(Layout l) { 6200 Insets opticalInsets = isLayoutModeOptical(mParent) ? getOpticalInsets() : Insets.NONE; 6201 int padding = (l == mHintLayout) 6202 ? getCompoundPaddingTop() + getCompoundPaddingBottom() 6203 : getExtendedPaddingTop() + getExtendedPaddingBottom(); 6204 return getMeasuredHeight() - padding + opticalInsets.top + opticalInsets.bottom; 6205 } 6206 6207 int getVerticalOffset(boolean forceNormal) { 6208 int voffset = 0; 6209 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 6210 6211 Layout l = mLayout; 6212 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 6213 l = mHintLayout; 6214 } 6215 6216 if (gravity != Gravity.TOP) { 6217 int boxht = getBoxHeight(l); 6218 int textht = l.getHeight(); 6219 6220 if (textht < boxht) { 6221 if (gravity == Gravity.BOTTOM) { 6222 voffset = boxht - textht; 6223 } else { // (gravity == Gravity.CENTER_VERTICAL) 6224 voffset = (boxht - textht) >> 1; 6225 } 6226 } 6227 } 6228 return voffset; 6229 } 6230 6231 private int getBottomVerticalOffset(boolean forceNormal) { 6232 int voffset = 0; 6233 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 6234 6235 Layout l = mLayout; 6236 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 6237 l = mHintLayout; 6238 } 6239 6240 if (gravity != Gravity.BOTTOM) { 6241 int boxht = getBoxHeight(l); 6242 int textht = l.getHeight(); 6243 6244 if (textht < boxht) { 6245 if (gravity == Gravity.TOP) { 6246 voffset = boxht - textht; 6247 } else { // (gravity == Gravity.CENTER_VERTICAL) 6248 voffset = (boxht - textht) >> 1; 6249 } 6250 } 6251 } 6252 return voffset; 6253 } 6254 6255 void invalidateCursorPath() { 6256 if (mHighlightPathBogus) { 6257 invalidateCursor(); 6258 } else { 6259 final int horizontalPadding = getCompoundPaddingLeft(); 6260 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 6261 6262 if (mEditor.mCursorCount == 0) { 6263 synchronized (TEMP_RECTF) { 6264 /* 6265 * The reason for this concern about the thickness of the 6266 * cursor and doing the floor/ceil on the coordinates is that 6267 * some EditTexts (notably textfields in the Browser) have 6268 * anti-aliased text where not all the characters are 6269 * necessarily at integer-multiple locations. This should 6270 * make sure the entire cursor gets invalidated instead of 6271 * sometimes missing half a pixel. 6272 */ 6273 float thick = (float) Math.ceil(mTextPaint.getStrokeWidth()); 6274 if (thick < 1.0f) { 6275 thick = 1.0f; 6276 } 6277 6278 thick /= 2.0f; 6279 6280 // mHighlightPath is guaranteed to be non null at that point. 6281 mHighlightPath.computeBounds(TEMP_RECTF, false); 6282 6283 invalidate((int) Math.floor(horizontalPadding + TEMP_RECTF.left - thick), 6284 (int) Math.floor(verticalPadding + TEMP_RECTF.top - thick), 6285 (int) Math.ceil(horizontalPadding + TEMP_RECTF.right + thick), 6286 (int) Math.ceil(verticalPadding + TEMP_RECTF.bottom + thick)); 6287 } 6288 } else { 6289 for (int i = 0; i < mEditor.mCursorCount; i++) { 6290 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 6291 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 6292 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 6293 } 6294 } 6295 } 6296 } 6297 6298 void invalidateCursor() { 6299 int where = getSelectionEnd(); 6300 6301 invalidateCursor(where, where, where); 6302 } 6303 6304 private void invalidateCursor(int a, int b, int c) { 6305 if (a >= 0 || b >= 0 || c >= 0) { 6306 int start = Math.min(Math.min(a, b), c); 6307 int end = Math.max(Math.max(a, b), c); 6308 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 6309 } 6310 } 6311 6312 /** 6313 * Invalidates the region of text enclosed between the start and end text offsets. 6314 */ 6315 void invalidateRegion(int start, int end, boolean invalidateCursor) { 6316 if (mLayout == null) { 6317 invalidate(); 6318 } else { 6319 int lineStart = mLayout.getLineForOffset(start); 6320 int top = mLayout.getLineTop(lineStart); 6321 6322 // This is ridiculous, but the descent from the line above 6323 // can hang down into the line we really want to redraw, 6324 // so we have to invalidate part of the line above to make 6325 // sure everything that needs to be redrawn really is. 6326 // (But not the whole line above, because that would cause 6327 // the same problem with the descenders on the line above it!) 6328 if (lineStart > 0) { 6329 top -= mLayout.getLineDescent(lineStart - 1); 6330 } 6331 6332 int lineEnd; 6333 6334 if (start == end) { 6335 lineEnd = lineStart; 6336 } else { 6337 lineEnd = mLayout.getLineForOffset(end); 6338 } 6339 6340 int bottom = mLayout.getLineBottom(lineEnd); 6341 6342 // mEditor can be null in case selection is set programmatically. 6343 if (invalidateCursor && mEditor != null) { 6344 for (int i = 0; i < mEditor.mCursorCount; i++) { 6345 Rect bounds = mEditor.mCursorDrawable[i].getBounds(); 6346 top = Math.min(top, bounds.top); 6347 bottom = Math.max(bottom, bounds.bottom); 6348 } 6349 } 6350 6351 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6352 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 6353 6354 int left, right; 6355 if (lineStart == lineEnd && !invalidateCursor) { 6356 left = (int) mLayout.getPrimaryHorizontal(start); 6357 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 6358 left += compoundPaddingLeft; 6359 right += compoundPaddingLeft; 6360 } else { 6361 // Rectangle bounding box when the region spans several lines 6362 left = compoundPaddingLeft; 6363 right = getWidth() - getCompoundPaddingRight(); 6364 } 6365 6366 invalidate(mScrollX + left, verticalPadding + top, 6367 mScrollX + right, verticalPadding + bottom); 6368 } 6369 } 6370 6371 private void registerForPreDraw() { 6372 if (!mPreDrawRegistered) { 6373 getViewTreeObserver().addOnPreDrawListener(this); 6374 mPreDrawRegistered = true; 6375 } 6376 } 6377 6378 private void unregisterForPreDraw() { 6379 getViewTreeObserver().removeOnPreDrawListener(this); 6380 mPreDrawRegistered = false; 6381 mPreDrawListenerDetached = false; 6382 } 6383 6384 /** 6385 * {@inheritDoc} 6386 */ 6387 @Override 6388 public boolean onPreDraw() { 6389 if (mLayout == null) { 6390 assumeLayout(); 6391 } 6392 6393 if (mMovement != null) { 6394 /* This code also provides auto-scrolling when a cursor is moved using a 6395 * CursorController (insertion point or selection limits). 6396 * For selection, ensure start or end is visible depending on controller's state. 6397 */ 6398 int curs = getSelectionEnd(); 6399 // Do not create the controller if it is not already created. 6400 if (mEditor != null && mEditor.mSelectionModifierCursorController != null 6401 && mEditor.mSelectionModifierCursorController.isSelectionStartDragged()) { 6402 curs = getSelectionStart(); 6403 } 6404 6405 /* 6406 * TODO: This should really only keep the end in view if 6407 * it already was before the text changed. I'm not sure 6408 * of a good way to tell from here if it was. 6409 */ 6410 if (curs < 0 && (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 6411 curs = mText.length(); 6412 } 6413 6414 if (curs >= 0) { 6415 bringPointIntoView(curs); 6416 } 6417 } else { 6418 bringTextIntoView(); 6419 } 6420 6421 // This has to be checked here since: 6422 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 6423 // a screen rotation) since layout is not yet initialized at that point. 6424 if (mEditor != null && mEditor.mCreatedWithASelection) { 6425 mEditor.refreshTextActionMode(); 6426 mEditor.mCreatedWithASelection = false; 6427 } 6428 6429 unregisterForPreDraw(); 6430 6431 return true; 6432 } 6433 6434 @Override 6435 protected void onAttachedToWindow() { 6436 super.onAttachedToWindow(); 6437 6438 if (mEditor != null) mEditor.onAttachedToWindow(); 6439 6440 if (mPreDrawListenerDetached) { 6441 getViewTreeObserver().addOnPreDrawListener(this); 6442 mPreDrawListenerDetached = false; 6443 } 6444 } 6445 6446 /** @hide */ 6447 @Override 6448 protected void onDetachedFromWindowInternal() { 6449 if (mPreDrawRegistered) { 6450 getViewTreeObserver().removeOnPreDrawListener(this); 6451 mPreDrawListenerDetached = true; 6452 } 6453 6454 resetResolvedDrawables(); 6455 6456 if (mEditor != null) mEditor.onDetachedFromWindow(); 6457 6458 super.onDetachedFromWindowInternal(); 6459 } 6460 6461 @Override 6462 public void onScreenStateChanged(int screenState) { 6463 super.onScreenStateChanged(screenState); 6464 if (mEditor != null) mEditor.onScreenStateChanged(screenState); 6465 } 6466 6467 @Override 6468 protected boolean isPaddingOffsetRequired() { 6469 return mShadowRadius != 0 || mDrawables != null; 6470 } 6471 6472 @Override 6473 protected int getLeftPaddingOffset() { 6474 return getCompoundPaddingLeft() - mPaddingLeft 6475 + (int) Math.min(0, mShadowDx - mShadowRadius); 6476 } 6477 6478 @Override 6479 protected int getTopPaddingOffset() { 6480 return (int) Math.min(0, mShadowDy - mShadowRadius); 6481 } 6482 6483 @Override 6484 protected int getBottomPaddingOffset() { 6485 return (int) Math.max(0, mShadowDy + mShadowRadius); 6486 } 6487 6488 @Override 6489 protected int getRightPaddingOffset() { 6490 return -(getCompoundPaddingRight() - mPaddingRight) 6491 + (int) Math.max(0, mShadowDx + mShadowRadius); 6492 } 6493 6494 @Override 6495 protected boolean verifyDrawable(@NonNull Drawable who) { 6496 final boolean verified = super.verifyDrawable(who); 6497 if (!verified && mDrawables != null) { 6498 for (Drawable dr : mDrawables.mShowing) { 6499 if (who == dr) { 6500 return true; 6501 } 6502 } 6503 } 6504 return verified; 6505 } 6506 6507 @Override 6508 public void jumpDrawablesToCurrentState() { 6509 super.jumpDrawablesToCurrentState(); 6510 if (mDrawables != null) { 6511 for (Drawable dr : mDrawables.mShowing) { 6512 if (dr != null) { 6513 dr.jumpToCurrentState(); 6514 } 6515 } 6516 } 6517 } 6518 6519 @Override 6520 public void invalidateDrawable(@NonNull Drawable drawable) { 6521 boolean handled = false; 6522 6523 if (verifyDrawable(drawable)) { 6524 final Rect dirty = drawable.getBounds(); 6525 int scrollX = mScrollX; 6526 int scrollY = mScrollY; 6527 6528 // IMPORTANT: The coordinates below are based on the coordinates computed 6529 // for each compound drawable in onDraw(). Make sure to update each section 6530 // accordingly. 6531 final TextView.Drawables drawables = mDrawables; 6532 if (drawables != null) { 6533 if (drawable == drawables.mShowing[Drawables.LEFT]) { 6534 final int compoundPaddingTop = getCompoundPaddingTop(); 6535 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6536 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6537 6538 scrollX += mPaddingLeft; 6539 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 6540 handled = true; 6541 } else if (drawable == drawables.mShowing[Drawables.RIGHT]) { 6542 final int compoundPaddingTop = getCompoundPaddingTop(); 6543 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6544 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6545 6546 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 6547 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 6548 handled = true; 6549 } else if (drawable == drawables.mShowing[Drawables.TOP]) { 6550 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6551 final int compoundPaddingRight = getCompoundPaddingRight(); 6552 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 6553 6554 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 6555 scrollY += mPaddingTop; 6556 handled = true; 6557 } else if (drawable == drawables.mShowing[Drawables.BOTTOM]) { 6558 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6559 final int compoundPaddingRight = getCompoundPaddingRight(); 6560 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 6561 6562 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 6563 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 6564 handled = true; 6565 } 6566 } 6567 6568 if (handled) { 6569 invalidate(dirty.left + scrollX, dirty.top + scrollY, 6570 dirty.right + scrollX, dirty.bottom + scrollY); 6571 } 6572 } 6573 6574 if (!handled) { 6575 super.invalidateDrawable(drawable); 6576 } 6577 } 6578 6579 @Override 6580 public boolean hasOverlappingRendering() { 6581 // horizontal fading edge causes SaveLayerAlpha, which doesn't support alpha modulation 6582 return ((getBackground() != null && getBackground().getCurrent() != null) 6583 || mText instanceof Spannable || hasSelection() 6584 || isHorizontalFadingEdgeEnabled()); 6585 } 6586 6587 /** 6588 * 6589 * Returns the state of the {@code textIsSelectable} flag (See 6590 * {@link #setTextIsSelectable setTextIsSelectable()}). Although you have to set this flag 6591 * to allow users to select and copy text in a non-editable TextView, the content of an 6592 * {@link EditText} can always be selected, independently of the value of this flag. 6593 * <p> 6594 * 6595 * @return True if the text displayed in this TextView can be selected by the user. 6596 * 6597 * @attr ref android.R.styleable#TextView_textIsSelectable 6598 */ 6599 public boolean isTextSelectable() { 6600 return mEditor == null ? false : mEditor.mTextIsSelectable; 6601 } 6602 6603 /** 6604 * Sets whether the content of this view is selectable by the user. The default is 6605 * {@code false}, meaning that the content is not selectable. 6606 * <p> 6607 * When you use a TextView to display a useful piece of information to the user (such as a 6608 * contact's address), make it selectable, so that the user can select and copy its 6609 * content. You can also use set the XML attribute 6610 * {@link android.R.styleable#TextView_textIsSelectable} to "true". 6611 * <p> 6612 * When you call this method to set the value of {@code textIsSelectable}, it sets 6613 * the flags {@code focusable}, {@code focusableInTouchMode}, {@code clickable}, 6614 * and {@code longClickable} to the same value. These flags correspond to the attributes 6615 * {@link android.R.styleable#View_focusable android:focusable}, 6616 * {@link android.R.styleable#View_focusableInTouchMode android:focusableInTouchMode}, 6617 * {@link android.R.styleable#View_clickable android:clickable}, and 6618 * {@link android.R.styleable#View_longClickable android:longClickable}. To restore any of these 6619 * flags to a state you had set previously, call one or more of the following methods: 6620 * {@link #setFocusable(boolean) setFocusable()}, 6621 * {@link #setFocusableInTouchMode(boolean) setFocusableInTouchMode()}, 6622 * {@link #setClickable(boolean) setClickable()} or 6623 * {@link #setLongClickable(boolean) setLongClickable()}. 6624 * 6625 * @param selectable Whether the content of this TextView should be selectable. 6626 */ 6627 public void setTextIsSelectable(boolean selectable) { 6628 if (!selectable && mEditor == null) return; // false is default value with no edit data 6629 6630 createEditorIfNeeded(); 6631 if (mEditor.mTextIsSelectable == selectable) return; 6632 6633 mEditor.mTextIsSelectable = selectable; 6634 setFocusableInTouchMode(selectable); 6635 setFocusable(FOCUSABLE_AUTO); 6636 setClickable(selectable); 6637 setLongClickable(selectable); 6638 6639 // mInputType should already be EditorInfo.TYPE_NULL and mInput should be null 6640 6641 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 6642 setText(mText, selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 6643 6644 // Called by setText above, but safer in case of future code changes 6645 mEditor.prepareCursorControllers(); 6646 } 6647 6648 @Override 6649 protected int[] onCreateDrawableState(int extraSpace) { 6650 final int[] drawableState; 6651 6652 if (mSingleLine) { 6653 drawableState = super.onCreateDrawableState(extraSpace); 6654 } else { 6655 drawableState = super.onCreateDrawableState(extraSpace + 1); 6656 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 6657 } 6658 6659 if (isTextSelectable()) { 6660 // Disable pressed state, which was introduced when TextView was made clickable. 6661 // Prevents text color change. 6662 // setClickable(false) would have a similar effect, but it also disables focus changes 6663 // and long press actions, which are both needed by text selection. 6664 final int length = drawableState.length; 6665 for (int i = 0; i < length; i++) { 6666 if (drawableState[i] == R.attr.state_pressed) { 6667 final int[] nonPressedState = new int[length - 1]; 6668 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 6669 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 6670 return nonPressedState; 6671 } 6672 } 6673 } 6674 6675 return drawableState; 6676 } 6677 6678 private Path getUpdatedHighlightPath() { 6679 Path highlight = null; 6680 Paint highlightPaint = mHighlightPaint; 6681 6682 final int selStart = getSelectionStart(); 6683 final int selEnd = getSelectionEnd(); 6684 if (mMovement != null && (isFocused() || isPressed()) && selStart >= 0) { 6685 if (selStart == selEnd) { 6686 if (mEditor != null && mEditor.isCursorVisible() 6687 && (SystemClock.uptimeMillis() - mEditor.mShowCursor) 6688 % (2 * Editor.BLINK) < Editor.BLINK) { 6689 if (mHighlightPathBogus) { 6690 if (mHighlightPath == null) mHighlightPath = new Path(); 6691 mHighlightPath.reset(); 6692 mLayout.getCursorPath(selStart, mHighlightPath, mText); 6693 mEditor.updateCursorsPositions(); 6694 mHighlightPathBogus = false; 6695 } 6696 6697 // XXX should pass to skin instead of drawing directly 6698 highlightPaint.setColor(mCurTextColor); 6699 highlightPaint.setStyle(Paint.Style.STROKE); 6700 highlight = mHighlightPath; 6701 } 6702 } else { 6703 if (mHighlightPathBogus) { 6704 if (mHighlightPath == null) mHighlightPath = new Path(); 6705 mHighlightPath.reset(); 6706 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 6707 mHighlightPathBogus = false; 6708 } 6709 6710 // XXX should pass to skin instead of drawing directly 6711 highlightPaint.setColor(mHighlightColor); 6712 highlightPaint.setStyle(Paint.Style.FILL); 6713 6714 highlight = mHighlightPath; 6715 } 6716 } 6717 return highlight; 6718 } 6719 6720 /** 6721 * @hide 6722 */ 6723 public int getHorizontalOffsetForDrawables() { 6724 return 0; 6725 } 6726 6727 @Override 6728 protected void onDraw(Canvas canvas) { 6729 restartMarqueeIfNeeded(); 6730 6731 // Draw the background for this view 6732 super.onDraw(canvas); 6733 6734 final int compoundPaddingLeft = getCompoundPaddingLeft(); 6735 final int compoundPaddingTop = getCompoundPaddingTop(); 6736 final int compoundPaddingRight = getCompoundPaddingRight(); 6737 final int compoundPaddingBottom = getCompoundPaddingBottom(); 6738 final int scrollX = mScrollX; 6739 final int scrollY = mScrollY; 6740 final int right = mRight; 6741 final int left = mLeft; 6742 final int bottom = mBottom; 6743 final int top = mTop; 6744 final boolean isLayoutRtl = isLayoutRtl(); 6745 final int offset = getHorizontalOffsetForDrawables(); 6746 final int leftOffset = isLayoutRtl ? 0 : offset; 6747 final int rightOffset = isLayoutRtl ? offset : 0; 6748 6749 final Drawables dr = mDrawables; 6750 if (dr != null) { 6751 /* 6752 * Compound, not extended, because the icon is not clipped 6753 * if the text height is smaller. 6754 */ 6755 6756 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 6757 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 6758 6759 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6760 // Make sure to update invalidateDrawable() when changing this code. 6761 if (dr.mShowing[Drawables.LEFT] != null) { 6762 canvas.save(); 6763 canvas.translate(scrollX + mPaddingLeft + leftOffset, 6764 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightLeft) / 2); 6765 dr.mShowing[Drawables.LEFT].draw(canvas); 6766 canvas.restore(); 6767 } 6768 6769 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6770 // Make sure to update invalidateDrawable() when changing this code. 6771 if (dr.mShowing[Drawables.RIGHT] != null) { 6772 canvas.save(); 6773 canvas.translate(scrollX + right - left - mPaddingRight 6774 - dr.mDrawableSizeRight - rightOffset, 6775 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 6776 dr.mShowing[Drawables.RIGHT].draw(canvas); 6777 canvas.restore(); 6778 } 6779 6780 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6781 // Make sure to update invalidateDrawable() when changing this code. 6782 if (dr.mShowing[Drawables.TOP] != null) { 6783 canvas.save(); 6784 canvas.translate(scrollX + compoundPaddingLeft 6785 + (hspace - dr.mDrawableWidthTop) / 2, scrollY + mPaddingTop); 6786 dr.mShowing[Drawables.TOP].draw(canvas); 6787 canvas.restore(); 6788 } 6789 6790 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 6791 // Make sure to update invalidateDrawable() when changing this code. 6792 if (dr.mShowing[Drawables.BOTTOM] != null) { 6793 canvas.save(); 6794 canvas.translate(scrollX + compoundPaddingLeft 6795 + (hspace - dr.mDrawableWidthBottom) / 2, 6796 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 6797 dr.mShowing[Drawables.BOTTOM].draw(canvas); 6798 canvas.restore(); 6799 } 6800 } 6801 6802 int color = mCurTextColor; 6803 6804 if (mLayout == null) { 6805 assumeLayout(); 6806 } 6807 6808 Layout layout = mLayout; 6809 6810 if (mHint != null && mText.length() == 0) { 6811 if (mHintTextColor != null) { 6812 color = mCurHintTextColor; 6813 } 6814 6815 layout = mHintLayout; 6816 } 6817 6818 mTextPaint.setColor(color); 6819 mTextPaint.drawableState = getDrawableState(); 6820 6821 canvas.save(); 6822 /* Would be faster if we didn't have to do this. Can we chop the 6823 (displayable) text so that we don't need to do this ever? 6824 */ 6825 6826 int extendedPaddingTop = getExtendedPaddingTop(); 6827 int extendedPaddingBottom = getExtendedPaddingBottom(); 6828 6829 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 6830 final int maxScrollY = mLayout.getHeight() - vspace; 6831 6832 float clipLeft = compoundPaddingLeft + scrollX; 6833 float clipTop = (scrollY == 0) ? 0 : extendedPaddingTop + scrollY; 6834 float clipRight = right - left - getCompoundPaddingRight() + scrollX; 6835 float clipBottom = bottom - top + scrollY 6836 - ((scrollY == maxScrollY) ? 0 : extendedPaddingBottom); 6837 6838 if (mShadowRadius != 0) { 6839 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 6840 clipRight += Math.max(0, mShadowDx + mShadowRadius); 6841 6842 clipTop += Math.min(0, mShadowDy - mShadowRadius); 6843 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 6844 } 6845 6846 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 6847 6848 int voffsetText = 0; 6849 int voffsetCursor = 0; 6850 6851 // translate in by our padding 6852 /* shortcircuit calling getVerticaOffset() */ 6853 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6854 voffsetText = getVerticalOffset(false); 6855 voffsetCursor = getVerticalOffset(true); 6856 } 6857 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 6858 6859 final int layoutDirection = getLayoutDirection(); 6860 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 6861 if (isMarqueeFadeEnabled()) { 6862 if (!mSingleLine && getLineCount() == 1 && canMarquee() 6863 && (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 6864 final int width = mRight - mLeft; 6865 final int padding = getCompoundPaddingLeft() + getCompoundPaddingRight(); 6866 final float dx = mLayout.getLineRight(0) - (width - padding); 6867 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6868 } 6869 6870 if (mMarquee != null && mMarquee.isRunning()) { 6871 final float dx = -mMarquee.getScroll(); 6872 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6873 } 6874 } 6875 6876 final int cursorOffsetVertical = voffsetCursor - voffsetText; 6877 6878 Path highlight = getUpdatedHighlightPath(); 6879 if (mEditor != null) { 6880 mEditor.onDraw(canvas, layout, highlight, mHighlightPaint, cursorOffsetVertical); 6881 } else { 6882 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 6883 } 6884 6885 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 6886 final float dx = mMarquee.getGhostOffset(); 6887 canvas.translate(layout.getParagraphDirection(0) * dx, 0.0f); 6888 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 6889 } 6890 6891 canvas.restore(); 6892 } 6893 6894 @Override 6895 public void getFocusedRect(Rect r) { 6896 if (mLayout == null) { 6897 super.getFocusedRect(r); 6898 return; 6899 } 6900 6901 int selEnd = getSelectionEnd(); 6902 if (selEnd < 0) { 6903 super.getFocusedRect(r); 6904 return; 6905 } 6906 6907 int selStart = getSelectionStart(); 6908 if (selStart < 0 || selStart >= selEnd) { 6909 int line = mLayout.getLineForOffset(selEnd); 6910 r.top = mLayout.getLineTop(line); 6911 r.bottom = mLayout.getLineBottom(line); 6912 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 6913 r.right = r.left + 4; 6914 } else { 6915 int lineStart = mLayout.getLineForOffset(selStart); 6916 int lineEnd = mLayout.getLineForOffset(selEnd); 6917 r.top = mLayout.getLineTop(lineStart); 6918 r.bottom = mLayout.getLineBottom(lineEnd); 6919 if (lineStart == lineEnd) { 6920 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 6921 r.right = (int) mLayout.getPrimaryHorizontal(selEnd); 6922 } else { 6923 // Selection extends across multiple lines -- make the focused 6924 // rect cover the entire width. 6925 if (mHighlightPathBogus) { 6926 if (mHighlightPath == null) mHighlightPath = new Path(); 6927 mHighlightPath.reset(); 6928 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 6929 mHighlightPathBogus = false; 6930 } 6931 synchronized (TEMP_RECTF) { 6932 mHighlightPath.computeBounds(TEMP_RECTF, true); 6933 r.left = (int) TEMP_RECTF.left - 1; 6934 r.right = (int) TEMP_RECTF.right + 1; 6935 } 6936 } 6937 } 6938 6939 // Adjust for padding and gravity. 6940 int paddingLeft = getCompoundPaddingLeft(); 6941 int paddingTop = getExtendedPaddingTop(); 6942 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6943 paddingTop += getVerticalOffset(false); 6944 } 6945 r.offset(paddingLeft, paddingTop); 6946 int paddingBottom = getExtendedPaddingBottom(); 6947 r.bottom += paddingBottom; 6948 } 6949 6950 /** 6951 * Return the number of lines of text, or 0 if the internal Layout has not 6952 * been built. 6953 */ 6954 public int getLineCount() { 6955 return mLayout != null ? mLayout.getLineCount() : 0; 6956 } 6957 6958 /** 6959 * Return the baseline for the specified line (0...getLineCount() - 1) 6960 * If bounds is not null, return the top, left, right, bottom extents 6961 * of the specified line in it. If the internal Layout has not been built, 6962 * return 0 and set bounds to (0, 0, 0, 0) 6963 * @param line which line to examine (0..getLineCount() - 1) 6964 * @param bounds Optional. If not null, it returns the extent of the line 6965 * @return the Y-coordinate of the baseline 6966 */ 6967 public int getLineBounds(int line, Rect bounds) { 6968 if (mLayout == null) { 6969 if (bounds != null) { 6970 bounds.set(0, 0, 0, 0); 6971 } 6972 return 0; 6973 } else { 6974 int baseline = mLayout.getLineBounds(line, bounds); 6975 6976 int voffset = getExtendedPaddingTop(); 6977 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6978 voffset += getVerticalOffset(true); 6979 } 6980 if (bounds != null) { 6981 bounds.offset(getCompoundPaddingLeft(), voffset); 6982 } 6983 return baseline + voffset; 6984 } 6985 } 6986 6987 @Override 6988 public int getBaseline() { 6989 if (mLayout == null) { 6990 return super.getBaseline(); 6991 } 6992 6993 return getBaselineOffset() + mLayout.getLineBaseline(0); 6994 } 6995 6996 int getBaselineOffset() { 6997 int voffset = 0; 6998 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 6999 voffset = getVerticalOffset(true); 7000 } 7001 7002 if (isLayoutModeOptical(mParent)) { 7003 voffset -= getOpticalInsets().top; 7004 } 7005 7006 return getExtendedPaddingTop() + voffset; 7007 } 7008 7009 /** 7010 * @hide 7011 */ 7012 @Override 7013 protected int getFadeTop(boolean offsetRequired) { 7014 if (mLayout == null) return 0; 7015 7016 int voffset = 0; 7017 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 7018 voffset = getVerticalOffset(true); 7019 } 7020 7021 if (offsetRequired) voffset += getTopPaddingOffset(); 7022 7023 return getExtendedPaddingTop() + voffset; 7024 } 7025 7026 /** 7027 * @hide 7028 */ 7029 @Override 7030 protected int getFadeHeight(boolean offsetRequired) { 7031 return mLayout != null ? mLayout.getHeight() : 0; 7032 } 7033 7034 @Override 7035 public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) { 7036 if (mText instanceof Spannable && mLinksClickable) { 7037 final float x = event.getX(pointerIndex); 7038 final float y = event.getY(pointerIndex); 7039 final int offset = getOffsetForPosition(x, y); 7040 final ClickableSpan[] clickables = ((Spannable) mText).getSpans(offset, offset, 7041 ClickableSpan.class); 7042 if (clickables.length > 0) { 7043 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_HAND); 7044 } 7045 } 7046 if (isTextSelectable() || isTextEditable()) { 7047 return PointerIcon.getSystemIcon(mContext, PointerIcon.TYPE_TEXT); 7048 } 7049 return super.onResolvePointerIcon(event, pointerIndex); 7050 } 7051 7052 @Override 7053 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 7054 // Note: If the IME is in fullscreen mode and IMS#mExtractEditText is in text action mode, 7055 // InputMethodService#onKeyDown and InputMethodService#onKeyUp are responsible to call 7056 // InputMethodService#mExtractEditText.maybeHandleBackInTextActionMode(event). 7057 if (keyCode == KeyEvent.KEYCODE_BACK && handleBackInTextActionModeIfNeeded(event)) { 7058 return true; 7059 } 7060 return super.onKeyPreIme(keyCode, event); 7061 } 7062 7063 /** 7064 * @hide 7065 */ 7066 public boolean handleBackInTextActionModeIfNeeded(KeyEvent event) { 7067 // Do nothing unless mEditor is in text action mode. 7068 if (mEditor == null || mEditor.getTextActionMode() == null) { 7069 return false; 7070 } 7071 7072 if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 7073 KeyEvent.DispatcherState state = getKeyDispatcherState(); 7074 if (state != null) { 7075 state.startTracking(event, this); 7076 } 7077 return true; 7078 } else if (event.getAction() == KeyEvent.ACTION_UP) { 7079 KeyEvent.DispatcherState state = getKeyDispatcherState(); 7080 if (state != null) { 7081 state.handleUpEvent(event); 7082 } 7083 if (event.isTracking() && !event.isCanceled()) { 7084 stopTextActionMode(); 7085 return true; 7086 } 7087 } 7088 return false; 7089 } 7090 7091 @Override 7092 public boolean onKeyDown(int keyCode, KeyEvent event) { 7093 final int which = doKeyDown(keyCode, event, null); 7094 if (which == KEY_EVENT_NOT_HANDLED) { 7095 return super.onKeyDown(keyCode, event); 7096 } 7097 7098 return true; 7099 } 7100 7101 @Override 7102 public boolean onKeyMultiple(int keyCode, int repeatCount, KeyEvent event) { 7103 KeyEvent down = KeyEvent.changeAction(event, KeyEvent.ACTION_DOWN); 7104 final int which = doKeyDown(keyCode, down, event); 7105 if (which == KEY_EVENT_NOT_HANDLED) { 7106 // Go through default dispatching. 7107 return super.onKeyMultiple(keyCode, repeatCount, event); 7108 } 7109 if (which == KEY_EVENT_HANDLED) { 7110 // Consumed the whole thing. 7111 return true; 7112 } 7113 7114 repeatCount--; 7115 7116 // We are going to dispatch the remaining events to either the input 7117 // or movement method. To do this, we will just send a repeated stream 7118 // of down and up events until we have done the complete repeatCount. 7119 // It would be nice if those interfaces had an onKeyMultiple() method, 7120 // but adding that is a more complicated change. 7121 KeyEvent up = KeyEvent.changeAction(event, KeyEvent.ACTION_UP); 7122 if (which == KEY_DOWN_HANDLED_BY_KEY_LISTENER) { 7123 // mEditor and mEditor.mInput are not null from doKeyDown 7124 mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, up); 7125 while (--repeatCount > 0) { 7126 mEditor.mKeyListener.onKeyDown(this, (Editable) mText, keyCode, down); 7127 mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, up); 7128 } 7129 hideErrorIfUnchanged(); 7130 7131 } else if (which == KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD) { 7132 // mMovement is not null from doKeyDown 7133 mMovement.onKeyUp(this, (Spannable) mText, keyCode, up); 7134 while (--repeatCount > 0) { 7135 mMovement.onKeyDown(this, (Spannable) mText, keyCode, down); 7136 mMovement.onKeyUp(this, (Spannable) mText, keyCode, up); 7137 } 7138 } 7139 7140 return true; 7141 } 7142 7143 /** 7144 * Returns true if pressing ENTER in this field advances focus instead 7145 * of inserting the character. This is true mostly in single-line fields, 7146 * but also in mail addresses and subjects which will display on multiple 7147 * lines but where it doesn't make sense to insert newlines. 7148 */ 7149 private boolean shouldAdvanceFocusOnEnter() { 7150 if (getKeyListener() == null) { 7151 return false; 7152 } 7153 7154 if (mSingleLine) { 7155 return true; 7156 } 7157 7158 if (mEditor != null 7159 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 7160 == EditorInfo.TYPE_CLASS_TEXT) { 7161 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 7162 if (variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS 7163 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT) { 7164 return true; 7165 } 7166 } 7167 7168 return false; 7169 } 7170 7171 /** 7172 * Returns true if pressing TAB in this field advances focus instead 7173 * of inserting the character. Insert tabs only in multi-line editors. 7174 */ 7175 private boolean shouldAdvanceFocusOnTab() { 7176 if (getKeyListener() != null && !mSingleLine && mEditor != null 7177 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 7178 == EditorInfo.TYPE_CLASS_TEXT) { 7179 int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 7180 if (variation == EditorInfo.TYPE_TEXT_FLAG_IME_MULTI_LINE 7181 || variation == EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE) { 7182 return false; 7183 } 7184 } 7185 return true; 7186 } 7187 7188 private boolean isDirectionalNavigationKey(int keyCode) { 7189 switch(keyCode) { 7190 case KeyEvent.KEYCODE_DPAD_UP: 7191 case KeyEvent.KEYCODE_DPAD_DOWN: 7192 case KeyEvent.KEYCODE_DPAD_LEFT: 7193 case KeyEvent.KEYCODE_DPAD_RIGHT: 7194 return true; 7195 } 7196 return false; 7197 } 7198 7199 private int doKeyDown(int keyCode, KeyEvent event, KeyEvent otherEvent) { 7200 if (!isEnabled()) { 7201 return KEY_EVENT_NOT_HANDLED; 7202 } 7203 7204 // If this is the initial keydown, we don't want to prevent a movement away from this view. 7205 // While this shouldn't be necessary because any time we're preventing default movement we 7206 // should be restricting the focus to remain within this view, thus we'll also receive 7207 // the key up event, occasionally key up events will get dropped and we don't want to 7208 // prevent the user from traversing out of this on the next key down. 7209 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 7210 mPreventDefaultMovement = false; 7211 } 7212 7213 switch (keyCode) { 7214 case KeyEvent.KEYCODE_ENTER: 7215 if (event.hasNoModifiers()) { 7216 // When mInputContentType is set, we know that we are 7217 // running in a "modern" cupcake environment, so don't need 7218 // to worry about the application trying to capture 7219 // enter key events. 7220 if (mEditor != null && mEditor.mInputContentType != null) { 7221 // If there is an action listener, given them a 7222 // chance to consume the event. 7223 if (mEditor.mInputContentType.onEditorActionListener != null 7224 && mEditor.mInputContentType.onEditorActionListener.onEditorAction( 7225 this, EditorInfo.IME_NULL, event)) { 7226 mEditor.mInputContentType.enterDown = true; 7227 // We are consuming the enter key for them. 7228 return KEY_EVENT_HANDLED; 7229 } 7230 } 7231 7232 // If our editor should move focus when enter is pressed, or 7233 // this is a generated event from an IME action button, then 7234 // don't let it be inserted into the text. 7235 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 7236 || shouldAdvanceFocusOnEnter()) { 7237 if (hasOnClickListeners()) { 7238 return KEY_EVENT_NOT_HANDLED; 7239 } 7240 return KEY_EVENT_HANDLED; 7241 } 7242 } 7243 break; 7244 7245 case KeyEvent.KEYCODE_DPAD_CENTER: 7246 if (event.hasNoModifiers()) { 7247 if (shouldAdvanceFocusOnEnter()) { 7248 return KEY_EVENT_NOT_HANDLED; 7249 } 7250 } 7251 break; 7252 7253 case KeyEvent.KEYCODE_TAB: 7254 if (event.hasNoModifiers() || event.hasModifiers(KeyEvent.META_SHIFT_ON)) { 7255 if (shouldAdvanceFocusOnTab()) { 7256 return KEY_EVENT_NOT_HANDLED; 7257 } 7258 } 7259 break; 7260 7261 // Has to be done on key down (and not on key up) to correctly be intercepted. 7262 case KeyEvent.KEYCODE_BACK: 7263 if (mEditor != null && mEditor.getTextActionMode() != null) { 7264 stopTextActionMode(); 7265 return KEY_EVENT_HANDLED; 7266 } 7267 break; 7268 7269 case KeyEvent.KEYCODE_CUT: 7270 if (event.hasNoModifiers() && canCut()) { 7271 if (onTextContextMenuItem(ID_CUT)) { 7272 return KEY_EVENT_HANDLED; 7273 } 7274 } 7275 break; 7276 7277 case KeyEvent.KEYCODE_COPY: 7278 if (event.hasNoModifiers() && canCopy()) { 7279 if (onTextContextMenuItem(ID_COPY)) { 7280 return KEY_EVENT_HANDLED; 7281 } 7282 } 7283 break; 7284 7285 case KeyEvent.KEYCODE_PASTE: 7286 if (event.hasNoModifiers() && canPaste()) { 7287 if (onTextContextMenuItem(ID_PASTE)) { 7288 return KEY_EVENT_HANDLED; 7289 } 7290 } 7291 break; 7292 } 7293 7294 if (mEditor != null && mEditor.mKeyListener != null) { 7295 boolean doDown = true; 7296 if (otherEvent != null) { 7297 try { 7298 beginBatchEdit(); 7299 final boolean handled = mEditor.mKeyListener.onKeyOther(this, (Editable) mText, 7300 otherEvent); 7301 hideErrorIfUnchanged(); 7302 doDown = false; 7303 if (handled) { 7304 return KEY_EVENT_HANDLED; 7305 } 7306 } catch (AbstractMethodError e) { 7307 // onKeyOther was added after 1.0, so if it isn't 7308 // implemented we need to try to dispatch as a regular down. 7309 } finally { 7310 endBatchEdit(); 7311 } 7312 } 7313 7314 if (doDown) { 7315 beginBatchEdit(); 7316 final boolean handled = mEditor.mKeyListener.onKeyDown(this, (Editable) mText, 7317 keyCode, event); 7318 endBatchEdit(); 7319 hideErrorIfUnchanged(); 7320 if (handled) return KEY_DOWN_HANDLED_BY_KEY_LISTENER; 7321 } 7322 } 7323 7324 // bug 650865: sometimes we get a key event before a layout. 7325 // don't try to move around if we don't know the layout. 7326 7327 if (mMovement != null && mLayout != null) { 7328 boolean doDown = true; 7329 if (otherEvent != null) { 7330 try { 7331 boolean handled = mMovement.onKeyOther(this, (Spannable) mText, 7332 otherEvent); 7333 doDown = false; 7334 if (handled) { 7335 return KEY_EVENT_HANDLED; 7336 } 7337 } catch (AbstractMethodError e) { 7338 // onKeyOther was added after 1.0, so if it isn't 7339 // implemented we need to try to dispatch as a regular down. 7340 } 7341 } 7342 if (doDown) { 7343 if (mMovement.onKeyDown(this, (Spannable) mText, keyCode, event)) { 7344 if (event.getRepeatCount() == 0 && !KeyEvent.isModifierKey(keyCode)) { 7345 mPreventDefaultMovement = true; 7346 } 7347 return KEY_DOWN_HANDLED_BY_MOVEMENT_METHOD; 7348 } 7349 } 7350 // Consume arrows from keyboard devices to prevent focus leaving the editor. 7351 // DPAD/JOY devices (Gamepads, TV remotes) often lack a TAB key so allow those 7352 // to move focus with arrows. 7353 if (event.getSource() == InputDevice.SOURCE_KEYBOARD 7354 && isDirectionalNavigationKey(keyCode)) { 7355 return KEY_EVENT_HANDLED; 7356 } 7357 } 7358 7359 return mPreventDefaultMovement && !KeyEvent.isModifierKey(keyCode) 7360 ? KEY_EVENT_HANDLED : KEY_EVENT_NOT_HANDLED; 7361 } 7362 7363 /** 7364 * Resets the mErrorWasChanged flag, so that future calls to {@link #setError(CharSequence)} 7365 * can be recorded. 7366 * @hide 7367 */ 7368 public void resetErrorChangedFlag() { 7369 /* 7370 * Keep track of what the error was before doing the input 7371 * so that if an input filter changed the error, we leave 7372 * that error showing. Otherwise, we take down whatever 7373 * error was showing when the user types something. 7374 */ 7375 if (mEditor != null) mEditor.mErrorWasChanged = false; 7376 } 7377 7378 /** 7379 * @hide 7380 */ 7381 public void hideErrorIfUnchanged() { 7382 if (mEditor != null && mEditor.mError != null && !mEditor.mErrorWasChanged) { 7383 setError(null, null); 7384 } 7385 } 7386 7387 @Override 7388 public boolean onKeyUp(int keyCode, KeyEvent event) { 7389 if (!isEnabled()) { 7390 return super.onKeyUp(keyCode, event); 7391 } 7392 7393 if (!KeyEvent.isModifierKey(keyCode)) { 7394 mPreventDefaultMovement = false; 7395 } 7396 7397 switch (keyCode) { 7398 case KeyEvent.KEYCODE_DPAD_CENTER: 7399 if (event.hasNoModifiers()) { 7400 /* 7401 * If there is a click listener, just call through to 7402 * super, which will invoke it. 7403 * 7404 * If there isn't a click listener, try to show the soft 7405 * input method. (It will also 7406 * call performClick(), but that won't do anything in 7407 * this case.) 7408 */ 7409 if (!hasOnClickListeners()) { 7410 if (mMovement != null && mText instanceof Editable 7411 && mLayout != null && onCheckIsTextEditor()) { 7412 InputMethodManager imm = InputMethodManager.peekInstance(); 7413 viewClicked(imm); 7414 if (imm != null && getShowSoftInputOnFocus()) { 7415 imm.showSoftInput(this, 0); 7416 } 7417 } 7418 } 7419 } 7420 return super.onKeyUp(keyCode, event); 7421 7422 case KeyEvent.KEYCODE_ENTER: 7423 if (event.hasNoModifiers()) { 7424 if (mEditor != null && mEditor.mInputContentType != null 7425 && mEditor.mInputContentType.onEditorActionListener != null 7426 && mEditor.mInputContentType.enterDown) { 7427 mEditor.mInputContentType.enterDown = false; 7428 if (mEditor.mInputContentType.onEditorActionListener.onEditorAction( 7429 this, EditorInfo.IME_NULL, event)) { 7430 return true; 7431 } 7432 } 7433 7434 if ((event.getFlags() & KeyEvent.FLAG_EDITOR_ACTION) != 0 7435 || shouldAdvanceFocusOnEnter()) { 7436 /* 7437 * If there is a click listener, just call through to 7438 * super, which will invoke it. 7439 * 7440 * If there isn't a click listener, try to advance focus, 7441 * but still call through to super, which will reset the 7442 * pressed state and longpress state. (It will also 7443 * call performClick(), but that won't do anything in 7444 * this case.) 7445 */ 7446 if (!hasOnClickListeners()) { 7447 View v = focusSearch(FOCUS_DOWN); 7448 7449 if (v != null) { 7450 if (!v.requestFocus(FOCUS_DOWN)) { 7451 throw new IllegalStateException("focus search returned a view " 7452 + "that wasn't able to take focus!"); 7453 } 7454 7455 /* 7456 * Return true because we handled the key; super 7457 * will return false because there was no click 7458 * listener. 7459 */ 7460 super.onKeyUp(keyCode, event); 7461 return true; 7462 } else if ((event.getFlags() 7463 & KeyEvent.FLAG_EDITOR_ACTION) != 0) { 7464 // No target for next focus, but make sure the IME 7465 // if this came from it. 7466 InputMethodManager imm = InputMethodManager.peekInstance(); 7467 if (imm != null && imm.isActive(this)) { 7468 imm.hideSoftInputFromWindow(getWindowToken(), 0); 7469 } 7470 } 7471 } 7472 } 7473 return super.onKeyUp(keyCode, event); 7474 } 7475 break; 7476 } 7477 7478 if (mEditor != null && mEditor.mKeyListener != null) { 7479 if (mEditor.mKeyListener.onKeyUp(this, (Editable) mText, keyCode, event)) { 7480 return true; 7481 } 7482 } 7483 7484 if (mMovement != null && mLayout != null) { 7485 if (mMovement.onKeyUp(this, (Spannable) mText, keyCode, event)) { 7486 return true; 7487 } 7488 } 7489 7490 return super.onKeyUp(keyCode, event); 7491 } 7492 7493 @Override 7494 public boolean onCheckIsTextEditor() { 7495 return mEditor != null && mEditor.mInputType != EditorInfo.TYPE_NULL; 7496 } 7497 7498 @Override 7499 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 7500 if (onCheckIsTextEditor() && isEnabled()) { 7501 mEditor.createInputMethodStateIfNeeded(); 7502 outAttrs.inputType = getInputType(); 7503 if (mEditor.mInputContentType != null) { 7504 outAttrs.imeOptions = mEditor.mInputContentType.imeOptions; 7505 outAttrs.privateImeOptions = mEditor.mInputContentType.privateImeOptions; 7506 outAttrs.actionLabel = mEditor.mInputContentType.imeActionLabel; 7507 outAttrs.actionId = mEditor.mInputContentType.imeActionId; 7508 outAttrs.extras = mEditor.mInputContentType.extras; 7509 outAttrs.hintLocales = mEditor.mInputContentType.imeHintLocales; 7510 } else { 7511 outAttrs.imeOptions = EditorInfo.IME_NULL; 7512 outAttrs.hintLocales = null; 7513 } 7514 if (focusSearch(FOCUS_DOWN) != null) { 7515 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_NEXT; 7516 } 7517 if (focusSearch(FOCUS_UP) != null) { 7518 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NAVIGATE_PREVIOUS; 7519 } 7520 if ((outAttrs.imeOptions & EditorInfo.IME_MASK_ACTION) 7521 == EditorInfo.IME_ACTION_UNSPECIFIED) { 7522 if ((outAttrs.imeOptions & EditorInfo.IME_FLAG_NAVIGATE_NEXT) != 0) { 7523 // An action has not been set, but the enter key will move to 7524 // the next focus, so set the action to that. 7525 outAttrs.imeOptions |= EditorInfo.IME_ACTION_NEXT; 7526 } else { 7527 // An action has not been set, and there is no focus to move 7528 // to, so let's just supply a "done" action. 7529 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 7530 } 7531 if (!shouldAdvanceFocusOnEnter()) { 7532 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 7533 } 7534 } 7535 if (isMultilineInputType(outAttrs.inputType)) { 7536 // Multi-line text editors should always show an enter key. 7537 outAttrs.imeOptions |= EditorInfo.IME_FLAG_NO_ENTER_ACTION; 7538 } 7539 outAttrs.hintText = mHint; 7540 if (mText instanceof Editable) { 7541 InputConnection ic = new EditableInputConnection(this); 7542 outAttrs.initialSelStart = getSelectionStart(); 7543 outAttrs.initialSelEnd = getSelectionEnd(); 7544 outAttrs.initialCapsMode = ic.getCursorCapsMode(getInputType()); 7545 return ic; 7546 } 7547 } 7548 return null; 7549 } 7550 7551 /** 7552 * If this TextView contains editable content, extract a portion of it 7553 * based on the information in <var>request</var> in to <var>outText</var>. 7554 * @return Returns true if the text was successfully extracted, else false. 7555 */ 7556 public boolean extractText(ExtractedTextRequest request, ExtractedText outText) { 7557 createEditorIfNeeded(); 7558 return mEditor.extractText(request, outText); 7559 } 7560 7561 /** 7562 * This is used to remove all style-impacting spans from text before new 7563 * extracted text is being replaced into it, so that we don't have any 7564 * lingering spans applied during the replace. 7565 */ 7566 static void removeParcelableSpans(Spannable spannable, int start, int end) { 7567 Object[] spans = spannable.getSpans(start, end, ParcelableSpan.class); 7568 int i = spans.length; 7569 while (i > 0) { 7570 i--; 7571 spannable.removeSpan(spans[i]); 7572 } 7573 } 7574 7575 /** 7576 * Apply to this text view the given extracted text, as previously 7577 * returned by {@link #extractText(ExtractedTextRequest, ExtractedText)}. 7578 */ 7579 public void setExtractedText(ExtractedText text) { 7580 Editable content = getEditableText(); 7581 if (text.text != null) { 7582 if (content == null) { 7583 setText(text.text, TextView.BufferType.EDITABLE); 7584 } else { 7585 int start = 0; 7586 int end = content.length(); 7587 7588 if (text.partialStartOffset >= 0) { 7589 final int N = content.length(); 7590 start = text.partialStartOffset; 7591 if (start > N) start = N; 7592 end = text.partialEndOffset; 7593 if (end > N) end = N; 7594 } 7595 7596 removeParcelableSpans(content, start, end); 7597 if (TextUtils.equals(content.subSequence(start, end), text.text)) { 7598 if (text.text instanceof Spanned) { 7599 // OK to copy spans only. 7600 TextUtils.copySpansFrom((Spanned) text.text, 0, end - start, 7601 Object.class, content, start); 7602 } 7603 } else { 7604 content.replace(start, end, text.text); 7605 } 7606 } 7607 } 7608 7609 // Now set the selection position... make sure it is in range, to 7610 // avoid crashes. If this is a partial update, it is possible that 7611 // the underlying text may have changed, causing us problems here. 7612 // Also we just don't want to trust clients to do the right thing. 7613 Spannable sp = (Spannable) getText(); 7614 final int N = sp.length(); 7615 int start = text.selectionStart; 7616 if (start < 0) { 7617 start = 0; 7618 } else if (start > N) { 7619 start = N; 7620 } 7621 int end = text.selectionEnd; 7622 if (end < 0) { 7623 end = 0; 7624 } else if (end > N) { 7625 end = N; 7626 } 7627 Selection.setSelection(sp, start, end); 7628 7629 // Finally, update the selection mode. 7630 if ((text.flags & ExtractedText.FLAG_SELECTING) != 0) { 7631 MetaKeyKeyListener.startSelecting(this, sp); 7632 } else { 7633 MetaKeyKeyListener.stopSelecting(this, sp); 7634 } 7635 } 7636 7637 /** 7638 * @hide 7639 */ 7640 public void setExtracting(ExtractedTextRequest req) { 7641 if (mEditor.mInputMethodState != null) { 7642 mEditor.mInputMethodState.mExtractedTextRequest = req; 7643 } 7644 // This would stop a possible selection mode, but no such mode is started in case 7645 // extracted mode will start. Some text is selected though, and will trigger an action mode 7646 // in the extracted view. 7647 mEditor.hideCursorAndSpanControllers(); 7648 stopTextActionMode(); 7649 if (mEditor.mSelectionModifierCursorController != null) { 7650 mEditor.mSelectionModifierCursorController.resetTouchOffsets(); 7651 } 7652 } 7653 7654 /** 7655 * Called by the framework in response to a text completion from 7656 * the current input method, provided by it calling 7657 * {@link InputConnection#commitCompletion 7658 * InputConnection.commitCompletion()}. The default implementation does 7659 * nothing; text views that are supporting auto-completion should override 7660 * this to do their desired behavior. 7661 * 7662 * @param text The auto complete text the user has selected. 7663 */ 7664 public void onCommitCompletion(CompletionInfo text) { 7665 // intentionally empty 7666 } 7667 7668 /** 7669 * Called by the framework in response to a text auto-correction (such as fixing a typo using a 7670 * dictionary) from the current input method, provided by it calling 7671 * {@link InputConnection#commitCorrection(CorrectionInfo) InputConnection.commitCorrection()}. 7672 * The default implementation flashes the background of the corrected word to provide 7673 * feedback to the user. 7674 * 7675 * @param info The auto correct info about the text that was corrected. 7676 */ 7677 public void onCommitCorrection(CorrectionInfo info) { 7678 if (mEditor != null) mEditor.onCommitCorrection(info); 7679 } 7680 7681 public void beginBatchEdit() { 7682 if (mEditor != null) mEditor.beginBatchEdit(); 7683 } 7684 7685 public void endBatchEdit() { 7686 if (mEditor != null) mEditor.endBatchEdit(); 7687 } 7688 7689 /** 7690 * Called by the framework in response to a request to begin a batch 7691 * of edit operations through a call to link {@link #beginBatchEdit()}. 7692 */ 7693 public void onBeginBatchEdit() { 7694 // intentionally empty 7695 } 7696 7697 /** 7698 * Called by the framework in response to a request to end a batch 7699 * of edit operations through a call to link {@link #endBatchEdit}. 7700 */ 7701 public void onEndBatchEdit() { 7702 // intentionally empty 7703 } 7704 7705 /** 7706 * Called by the framework in response to a private command from the 7707 * current method, provided by it calling 7708 * {@link InputConnection#performPrivateCommand 7709 * InputConnection.performPrivateCommand()}. 7710 * 7711 * @param action The action name of the command. 7712 * @param data Any additional data for the command. This may be null. 7713 * @return Return true if you handled the command, else false. 7714 */ 7715 public boolean onPrivateIMECommand(String action, Bundle data) { 7716 return false; 7717 } 7718 7719 private void nullLayouts() { 7720 if (mLayout instanceof BoringLayout && mSavedLayout == null) { 7721 mSavedLayout = (BoringLayout) mLayout; 7722 } 7723 if (mHintLayout instanceof BoringLayout && mSavedHintLayout == null) { 7724 mSavedHintLayout = (BoringLayout) mHintLayout; 7725 } 7726 7727 mSavedMarqueeModeLayout = mLayout = mHintLayout = null; 7728 7729 mBoring = mHintBoring = null; 7730 7731 // Since it depends on the value of mLayout 7732 if (mEditor != null) mEditor.prepareCursorControllers(); 7733 } 7734 7735 /** 7736 * Make a new Layout based on the already-measured size of the view, 7737 * on the assumption that it was measured correctly at some point. 7738 */ 7739 private void assumeLayout() { 7740 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 7741 7742 if (width < 1) { 7743 width = 0; 7744 } 7745 7746 int physicalWidth = width; 7747 7748 if (mHorizontallyScrolling) { 7749 width = VERY_WIDE; 7750 } 7751 7752 makeNewLayout(width, physicalWidth, UNKNOWN_BORING, UNKNOWN_BORING, 7753 physicalWidth, false); 7754 } 7755 7756 private Layout.Alignment getLayoutAlignment() { 7757 Layout.Alignment alignment; 7758 switch (getTextAlignment()) { 7759 case TEXT_ALIGNMENT_GRAVITY: 7760 switch (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) { 7761 case Gravity.START: 7762 alignment = Layout.Alignment.ALIGN_NORMAL; 7763 break; 7764 case Gravity.END: 7765 alignment = Layout.Alignment.ALIGN_OPPOSITE; 7766 break; 7767 case Gravity.LEFT: 7768 alignment = Layout.Alignment.ALIGN_LEFT; 7769 break; 7770 case Gravity.RIGHT: 7771 alignment = Layout.Alignment.ALIGN_RIGHT; 7772 break; 7773 case Gravity.CENTER_HORIZONTAL: 7774 alignment = Layout.Alignment.ALIGN_CENTER; 7775 break; 7776 default: 7777 alignment = Layout.Alignment.ALIGN_NORMAL; 7778 break; 7779 } 7780 break; 7781 case TEXT_ALIGNMENT_TEXT_START: 7782 alignment = Layout.Alignment.ALIGN_NORMAL; 7783 break; 7784 case TEXT_ALIGNMENT_TEXT_END: 7785 alignment = Layout.Alignment.ALIGN_OPPOSITE; 7786 break; 7787 case TEXT_ALIGNMENT_CENTER: 7788 alignment = Layout.Alignment.ALIGN_CENTER; 7789 break; 7790 case TEXT_ALIGNMENT_VIEW_START: 7791 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) 7792 ? Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 7793 break; 7794 case TEXT_ALIGNMENT_VIEW_END: 7795 alignment = (getLayoutDirection() == LAYOUT_DIRECTION_RTL) 7796 ? Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 7797 break; 7798 case TEXT_ALIGNMENT_INHERIT: 7799 // This should never happen as we have already resolved the text alignment 7800 // but better safe than sorry so we just fall through 7801 default: 7802 alignment = Layout.Alignment.ALIGN_NORMAL; 7803 break; 7804 } 7805 return alignment; 7806 } 7807 7808 /** 7809 * The width passed in is now the desired layout width, 7810 * not the full view width with padding. 7811 * {@hide} 7812 */ 7813 protected void makeNewLayout(int wantWidth, int hintWidth, 7814 BoringLayout.Metrics boring, 7815 BoringLayout.Metrics hintBoring, 7816 int ellipsisWidth, boolean bringIntoView) { 7817 stopMarquee(); 7818 7819 // Update "old" cached values 7820 mOldMaximum = mMaximum; 7821 mOldMaxMode = mMaxMode; 7822 7823 mHighlightPathBogus = true; 7824 7825 if (wantWidth < 0) { 7826 wantWidth = 0; 7827 } 7828 if (hintWidth < 0) { 7829 hintWidth = 0; 7830 } 7831 7832 Layout.Alignment alignment = getLayoutAlignment(); 7833 final boolean testDirChange = mSingleLine && mLayout != null 7834 && (alignment == Layout.Alignment.ALIGN_NORMAL 7835 || alignment == Layout.Alignment.ALIGN_OPPOSITE); 7836 int oldDir = 0; 7837 if (testDirChange) oldDir = mLayout.getParagraphDirection(0); 7838 boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null; 7839 final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE 7840 && mMarqueeFadeMode != MARQUEE_FADE_NORMAL; 7841 TruncateAt effectiveEllipsize = mEllipsize; 7842 if (mEllipsize == TruncateAt.MARQUEE 7843 && mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 7844 effectiveEllipsize = TruncateAt.END_SMALL; 7845 } 7846 7847 if (mTextDir == null) { 7848 mTextDir = getTextDirectionHeuristic(); 7849 } 7850 7851 mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, 7852 effectiveEllipsize, effectiveEllipsize == mEllipsize); 7853 if (switchEllipsize) { 7854 TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE 7855 ? TruncateAt.END : TruncateAt.MARQUEE; 7856 mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, 7857 shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize); 7858 } 7859 7860 shouldEllipsize = mEllipsize != null; 7861 mHintLayout = null; 7862 7863 if (mHint != null) { 7864 if (shouldEllipsize) hintWidth = wantWidth; 7865 7866 if (hintBoring == UNKNOWN_BORING) { 7867 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, 7868 mHintBoring); 7869 if (hintBoring != null) { 7870 mHintBoring = hintBoring; 7871 } 7872 } 7873 7874 if (hintBoring != null) { 7875 if (hintBoring.width <= hintWidth 7876 && (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) { 7877 if (mSavedHintLayout != null) { 7878 mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, 7879 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7880 hintBoring, mIncludePad); 7881 } else { 7882 mHintLayout = BoringLayout.make(mHint, mTextPaint, 7883 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7884 hintBoring, mIncludePad); 7885 } 7886 7887 mSavedHintLayout = (BoringLayout) mHintLayout; 7888 } else if (shouldEllipsize && hintBoring.width <= hintWidth) { 7889 if (mSavedHintLayout != null) { 7890 mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, 7891 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7892 hintBoring, mIncludePad, mEllipsize, 7893 ellipsisWidth); 7894 } else { 7895 mHintLayout = BoringLayout.make(mHint, mTextPaint, 7896 hintWidth, alignment, mSpacingMult, mSpacingAdd, 7897 hintBoring, mIncludePad, mEllipsize, 7898 ellipsisWidth); 7899 } 7900 } 7901 } 7902 // TODO: code duplication with makeSingleLayout() 7903 if (mHintLayout == null) { 7904 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mHint, 0, 7905 mHint.length(), mTextPaint, hintWidth) 7906 .setAlignment(alignment) 7907 .setTextDirection(mTextDir) 7908 .setLineSpacing(mSpacingAdd, mSpacingMult) 7909 .setIncludePad(mIncludePad) 7910 .setBreakStrategy(mBreakStrategy) 7911 .setHyphenationFrequency(mHyphenationFrequency) 7912 .setJustificationMode(mJustificationMode) 7913 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 7914 if (shouldEllipsize) { 7915 builder.setEllipsize(mEllipsize) 7916 .setEllipsizedWidth(ellipsisWidth); 7917 } 7918 mHintLayout = builder.build(); 7919 } 7920 } 7921 7922 if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) { 7923 registerForPreDraw(); 7924 } 7925 7926 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 7927 if (!compressText(ellipsisWidth)) { 7928 final int height = mLayoutParams.height; 7929 // If the size of the view does not depend on the size of the text, try to 7930 // start the marquee immediately 7931 if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) { 7932 startMarquee(); 7933 } else { 7934 // Defer the start of the marquee until we know our width (see setFrame()) 7935 mRestartMarquee = true; 7936 } 7937 } 7938 } 7939 7940 // CursorControllers need a non-null mLayout 7941 if (mEditor != null) mEditor.prepareCursorControllers(); 7942 } 7943 7944 /** 7945 * @hide 7946 */ 7947 protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, 7948 Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, 7949 boolean useSaved) { 7950 Layout result = null; 7951 if (mText instanceof Spannable) { 7952 result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, 7953 alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, 7954 mBreakStrategy, mHyphenationFrequency, mJustificationMode, 7955 getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth); 7956 } else { 7957 if (boring == UNKNOWN_BORING) { 7958 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 7959 if (boring != null) { 7960 mBoring = boring; 7961 } 7962 } 7963 7964 if (boring != null) { 7965 if (boring.width <= wantWidth 7966 && (effectiveEllipsize == null || boring.width <= ellipsisWidth)) { 7967 if (useSaved && mSavedLayout != null) { 7968 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 7969 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7970 boring, mIncludePad); 7971 } else { 7972 result = BoringLayout.make(mTransformed, mTextPaint, 7973 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7974 boring, mIncludePad); 7975 } 7976 7977 if (useSaved) { 7978 mSavedLayout = (BoringLayout) result; 7979 } 7980 } else if (shouldEllipsize && boring.width <= wantWidth) { 7981 if (useSaved && mSavedLayout != null) { 7982 result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, 7983 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7984 boring, mIncludePad, effectiveEllipsize, 7985 ellipsisWidth); 7986 } else { 7987 result = BoringLayout.make(mTransformed, mTextPaint, 7988 wantWidth, alignment, mSpacingMult, mSpacingAdd, 7989 boring, mIncludePad, effectiveEllipsize, 7990 ellipsisWidth); 7991 } 7992 } 7993 } 7994 } 7995 if (result == null) { 7996 StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 7997 0, mTransformed.length(), mTextPaint, wantWidth) 7998 .setAlignment(alignment) 7999 .setTextDirection(mTextDir) 8000 .setLineSpacing(mSpacingAdd, mSpacingMult) 8001 .setIncludePad(mIncludePad) 8002 .setBreakStrategy(mBreakStrategy) 8003 .setHyphenationFrequency(mHyphenationFrequency) 8004 .setJustificationMode(mJustificationMode) 8005 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE); 8006 if (shouldEllipsize) { 8007 builder.setEllipsize(effectiveEllipsize) 8008 .setEllipsizedWidth(ellipsisWidth); 8009 } 8010 // TODO: explore always setting maxLines 8011 result = builder.build(); 8012 } 8013 return result; 8014 } 8015 8016 private boolean compressText(float width) { 8017 if (isHardwareAccelerated()) return false; 8018 8019 // Only compress the text if it hasn't been compressed by the previous pass 8020 if (width > 0.0f && mLayout != null && getLineCount() == 1 && !mUserSetTextScaleX 8021 && mTextPaint.getTextScaleX() == 1.0f) { 8022 final float textWidth = mLayout.getLineWidth(0); 8023 final float overflow = (textWidth + 1.0f - width) / width; 8024 if (overflow > 0.0f && overflow <= Marquee.MARQUEE_DELTA_MAX) { 8025 mTextPaint.setTextScaleX(1.0f - overflow - 0.005f); 8026 post(new Runnable() { 8027 public void run() { 8028 requestLayout(); 8029 } 8030 }); 8031 return true; 8032 } 8033 } 8034 8035 return false; 8036 } 8037 8038 private static int desired(Layout layout) { 8039 int n = layout.getLineCount(); 8040 CharSequence text = layout.getText(); 8041 float max = 0; 8042 8043 // if any line was wrapped, we can't use it. 8044 // but it's ok for the last line not to have a newline 8045 8046 for (int i = 0; i < n - 1; i++) { 8047 if (text.charAt(layout.getLineEnd(i) - 1) != '\n') { 8048 return -1; 8049 } 8050 } 8051 8052 for (int i = 0; i < n; i++) { 8053 max = Math.max(max, layout.getLineWidth(i)); 8054 } 8055 8056 return (int) Math.ceil(max); 8057 } 8058 8059 /** 8060 * Set whether the TextView includes extra top and bottom padding to make 8061 * room for accents that go above the normal ascent and descent. 8062 * The default is true. 8063 * 8064 * @see #getIncludeFontPadding() 8065 * 8066 * @attr ref android.R.styleable#TextView_includeFontPadding 8067 */ 8068 public void setIncludeFontPadding(boolean includepad) { 8069 if (mIncludePad != includepad) { 8070 mIncludePad = includepad; 8071 8072 if (mLayout != null) { 8073 nullLayouts(); 8074 requestLayout(); 8075 invalidate(); 8076 } 8077 } 8078 } 8079 8080 /** 8081 * Gets whether the TextView includes extra top and bottom padding to make 8082 * room for accents that go above the normal ascent and descent. 8083 * 8084 * @see #setIncludeFontPadding(boolean) 8085 * 8086 * @attr ref android.R.styleable#TextView_includeFontPadding 8087 */ 8088 public boolean getIncludeFontPadding() { 8089 return mIncludePad; 8090 } 8091 8092 private static final BoringLayout.Metrics UNKNOWN_BORING = new BoringLayout.Metrics(); 8093 8094 @Override 8095 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 8096 int widthMode = MeasureSpec.getMode(widthMeasureSpec); 8097 int heightMode = MeasureSpec.getMode(heightMeasureSpec); 8098 int widthSize = MeasureSpec.getSize(widthMeasureSpec); 8099 int heightSize = MeasureSpec.getSize(heightMeasureSpec); 8100 8101 int width; 8102 int height; 8103 8104 BoringLayout.Metrics boring = UNKNOWN_BORING; 8105 BoringLayout.Metrics hintBoring = UNKNOWN_BORING; 8106 8107 if (mTextDir == null) { 8108 mTextDir = getTextDirectionHeuristic(); 8109 } 8110 8111 int des = -1; 8112 boolean fromexisting = false; 8113 8114 if (widthMode == MeasureSpec.EXACTLY) { 8115 // Parent has told us how big to be. So be it. 8116 width = widthSize; 8117 } else { 8118 if (mLayout != null && mEllipsize == null) { 8119 des = desired(mLayout); 8120 } 8121 8122 if (des < 0) { 8123 boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring); 8124 if (boring != null) { 8125 mBoring = boring; 8126 } 8127 } else { 8128 fromexisting = true; 8129 } 8130 8131 if (boring == null || boring == UNKNOWN_BORING) { 8132 if (des < 0) { 8133 des = (int) Math.ceil(Layout.getDesiredWidth(mTransformed, 0, 8134 mTransformed.length(), mTextPaint, mTextDir)); 8135 } 8136 width = des; 8137 } else { 8138 width = boring.width; 8139 } 8140 8141 final Drawables dr = mDrawables; 8142 if (dr != null) { 8143 width = Math.max(width, dr.mDrawableWidthTop); 8144 width = Math.max(width, dr.mDrawableWidthBottom); 8145 } 8146 8147 if (mHint != null) { 8148 int hintDes = -1; 8149 int hintWidth; 8150 8151 if (mHintLayout != null && mEllipsize == null) { 8152 hintDes = desired(mHintLayout); 8153 } 8154 8155 if (hintDes < 0) { 8156 hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring); 8157 if (hintBoring != null) { 8158 mHintBoring = hintBoring; 8159 } 8160 } 8161 8162 if (hintBoring == null || hintBoring == UNKNOWN_BORING) { 8163 if (hintDes < 0) { 8164 hintDes = (int) Math.ceil(Layout.getDesiredWidth(mHint, 0, mHint.length(), 8165 mTextPaint, mTextDir)); 8166 } 8167 hintWidth = hintDes; 8168 } else { 8169 hintWidth = hintBoring.width; 8170 } 8171 8172 if (hintWidth > width) { 8173 width = hintWidth; 8174 } 8175 } 8176 8177 width += getCompoundPaddingLeft() + getCompoundPaddingRight(); 8178 8179 if (mMaxWidthMode == EMS) { 8180 width = Math.min(width, mMaxWidth * getLineHeight()); 8181 } else { 8182 width = Math.min(width, mMaxWidth); 8183 } 8184 8185 if (mMinWidthMode == EMS) { 8186 width = Math.max(width, mMinWidth * getLineHeight()); 8187 } else { 8188 width = Math.max(width, mMinWidth); 8189 } 8190 8191 // Check against our minimum width 8192 width = Math.max(width, getSuggestedMinimumWidth()); 8193 8194 if (widthMode == MeasureSpec.AT_MOST) { 8195 width = Math.min(widthSize, width); 8196 } 8197 } 8198 8199 int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8200 int unpaddedWidth = want; 8201 8202 if (mHorizontallyScrolling) want = VERY_WIDE; 8203 8204 int hintWant = want; 8205 int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth(); 8206 8207 if (mLayout == null) { 8208 makeNewLayout(want, hintWant, boring, hintBoring, 8209 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 8210 } else { 8211 final boolean layoutChanged = (mLayout.getWidth() != want) || (hintWidth != hintWant) 8212 || (mLayout.getEllipsizedWidth() 8213 != width - getCompoundPaddingLeft() - getCompoundPaddingRight()); 8214 8215 final boolean widthChanged = (mHint == null) && (mEllipsize == null) 8216 && (want > mLayout.getWidth()) 8217 && (mLayout instanceof BoringLayout 8218 || (fromexisting && des >= 0 && des <= want)); 8219 8220 final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum); 8221 8222 if (layoutChanged || maximumChanged) { 8223 if (!maximumChanged && widthChanged) { 8224 mLayout.increaseWidthTo(want); 8225 } else { 8226 makeNewLayout(want, hintWant, boring, hintBoring, 8227 width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false); 8228 } 8229 } else { 8230 // Nothing has changed 8231 } 8232 } 8233 8234 if (heightMode == MeasureSpec.EXACTLY) { 8235 // Parent has told us how big to be. So be it. 8236 height = heightSize; 8237 mDesiredHeightAtMeasure = -1; 8238 } else { 8239 int desired = getDesiredHeight(); 8240 8241 height = desired; 8242 mDesiredHeightAtMeasure = desired; 8243 8244 if (heightMode == MeasureSpec.AT_MOST) { 8245 height = Math.min(desired, heightSize); 8246 } 8247 } 8248 8249 int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom(); 8250 if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) { 8251 unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum)); 8252 } 8253 8254 /* 8255 * We didn't let makeNewLayout() register to bring the cursor into view, 8256 * so do it here if there is any possibility that it is needed. 8257 */ 8258 if (mMovement != null 8259 || mLayout.getWidth() > unpaddedWidth 8260 || mLayout.getHeight() > unpaddedHeight) { 8261 registerForPreDraw(); 8262 } else { 8263 scrollTo(0, 0); 8264 } 8265 8266 setMeasuredDimension(width, height); 8267 } 8268 8269 /** 8270 * Automatically computes and sets the text size. 8271 */ 8272 private void autoSizeText() { 8273 if (!isAutoSizeEnabled()) { 8274 return; 8275 } 8276 8277 if (mNeedsAutoSizeText) { 8278 if (getMeasuredWidth() <= 0 || getMeasuredHeight() <= 0) { 8279 return; 8280 } 8281 8282 final int availableWidth = mHorizontallyScrolling 8283 ? VERY_WIDE 8284 : getMeasuredWidth() - getTotalPaddingLeft() - getTotalPaddingRight(); 8285 final int availableHeight = getMeasuredHeight() - getExtendedPaddingBottom() 8286 - getExtendedPaddingTop(); 8287 8288 if (availableWidth <= 0 || availableHeight <= 0) { 8289 return; 8290 } 8291 8292 synchronized (TEMP_RECTF) { 8293 TEMP_RECTF.setEmpty(); 8294 TEMP_RECTF.right = availableWidth; 8295 TEMP_RECTF.bottom = availableHeight; 8296 final float optimalTextSize = findLargestTextSizeWhichFits(TEMP_RECTF); 8297 8298 if (optimalTextSize != getTextSize()) { 8299 setTextSizeInternal(TypedValue.COMPLEX_UNIT_PX, optimalTextSize, 8300 false /* shouldRequestLayout */); 8301 8302 makeNewLayout(availableWidth, 0 /* hintWidth */, UNKNOWN_BORING, UNKNOWN_BORING, 8303 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 8304 false /* bringIntoView */); 8305 } 8306 } 8307 } 8308 // Always try to auto-size if enabled. Functions that do not want to trigger auto-sizing 8309 // after the next layout pass should set this to false. 8310 mNeedsAutoSizeText = true; 8311 } 8312 8313 /** 8314 * Performs a binary search to find the largest text size that will still fit within the size 8315 * available to this view. 8316 */ 8317 private int findLargestTextSizeWhichFits(RectF availableSpace) { 8318 final int sizesCount = mAutoSizeTextSizesInPx.length; 8319 if (sizesCount == 0) { 8320 throw new IllegalStateException("No available text sizes to choose from."); 8321 } 8322 8323 int bestSizeIndex = 0; 8324 int lowIndex = bestSizeIndex + 1; 8325 int highIndex = sizesCount - 1; 8326 int sizeToTryIndex; 8327 while (lowIndex <= highIndex) { 8328 sizeToTryIndex = (lowIndex + highIndex) / 2; 8329 if (suggestedSizeFitsInSpace(mAutoSizeTextSizesInPx[sizeToTryIndex], availableSpace)) { 8330 bestSizeIndex = lowIndex; 8331 lowIndex = sizeToTryIndex + 1; 8332 } else { 8333 highIndex = sizeToTryIndex - 1; 8334 bestSizeIndex = highIndex; 8335 } 8336 } 8337 8338 return mAutoSizeTextSizesInPx[bestSizeIndex]; 8339 } 8340 8341 private boolean suggestedSizeFitsInSpace(int suggestedSizeInPx, RectF availableSpace) { 8342 final CharSequence text = getText(); 8343 final int maxLines = getMaxLines(); 8344 if (mTempTextPaint == null) { 8345 mTempTextPaint = new TextPaint(); 8346 } else { 8347 mTempTextPaint.reset(); 8348 } 8349 mTempTextPaint.set(getPaint()); 8350 mTempTextPaint.setTextSize(suggestedSizeInPx); 8351 8352 final StaticLayout.Builder layoutBuilder = StaticLayout.Builder.obtain( 8353 text, 0, text.length(), mTempTextPaint, Math.round(availableSpace.right)); 8354 8355 layoutBuilder.setAlignment(getLayoutAlignment()) 8356 .setLineSpacing(getLineSpacingExtra(), getLineSpacingMultiplier()) 8357 .setIncludePad(getIncludeFontPadding()) 8358 .setBreakStrategy(getBreakStrategy()) 8359 .setHyphenationFrequency(getHyphenationFrequency()) 8360 .setJustificationMode(getJustificationMode()) 8361 .setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE) 8362 .setTextDirection(getTextDirectionHeuristic()); 8363 8364 final StaticLayout layout = layoutBuilder.build(); 8365 8366 // Lines overflow. 8367 if (maxLines != -1 && layout.getLineCount() > maxLines) { 8368 return false; 8369 } 8370 8371 // Height overflow. 8372 if (layout.getHeight() > availableSpace.bottom) { 8373 return false; 8374 } 8375 8376 return true; 8377 } 8378 8379 private int getDesiredHeight() { 8380 return Math.max( 8381 getDesiredHeight(mLayout, true), 8382 getDesiredHeight(mHintLayout, mEllipsize != null)); 8383 } 8384 8385 private int getDesiredHeight(Layout layout, boolean cap) { 8386 if (layout == null) { 8387 return 0; 8388 } 8389 8390 /* 8391 * Don't cap the hint to a certain number of lines. 8392 * (Do cap it, though, if we have a maximum pixel height.) 8393 */ 8394 int desired = layout.getHeight(cap); 8395 8396 final Drawables dr = mDrawables; 8397 if (dr != null) { 8398 desired = Math.max(desired, dr.mDrawableHeightLeft); 8399 desired = Math.max(desired, dr.mDrawableHeightRight); 8400 } 8401 8402 int linecount = layout.getLineCount(); 8403 final int padding = getCompoundPaddingTop() + getCompoundPaddingBottom(); 8404 desired += padding; 8405 8406 if (mMaxMode != LINES) { 8407 desired = Math.min(desired, mMaximum); 8408 } else if (cap && linecount > mMaximum && layout instanceof DynamicLayout) { 8409 desired = layout.getLineTop(mMaximum); 8410 8411 if (dr != null) { 8412 desired = Math.max(desired, dr.mDrawableHeightLeft); 8413 desired = Math.max(desired, dr.mDrawableHeightRight); 8414 } 8415 8416 desired += padding; 8417 linecount = mMaximum; 8418 } 8419 8420 if (mMinMode == LINES) { 8421 if (linecount < mMinimum) { 8422 desired += getLineHeight() * (mMinimum - linecount); 8423 } 8424 } else { 8425 desired = Math.max(desired, mMinimum); 8426 } 8427 8428 // Check against our minimum height 8429 desired = Math.max(desired, getSuggestedMinimumHeight()); 8430 8431 return desired; 8432 } 8433 8434 /** 8435 * Check whether a change to the existing text layout requires a 8436 * new view layout. 8437 */ 8438 private void checkForResize() { 8439 boolean sizeChanged = false; 8440 8441 if (mLayout != null) { 8442 // Check if our width changed 8443 if (mLayoutParams.width == LayoutParams.WRAP_CONTENT) { 8444 sizeChanged = true; 8445 invalidate(); 8446 } 8447 8448 // Check if our height changed 8449 if (mLayoutParams.height == LayoutParams.WRAP_CONTENT) { 8450 int desiredHeight = getDesiredHeight(); 8451 8452 if (desiredHeight != this.getHeight()) { 8453 sizeChanged = true; 8454 } 8455 } else if (mLayoutParams.height == LayoutParams.MATCH_PARENT) { 8456 if (mDesiredHeightAtMeasure >= 0) { 8457 int desiredHeight = getDesiredHeight(); 8458 8459 if (desiredHeight != mDesiredHeightAtMeasure) { 8460 sizeChanged = true; 8461 } 8462 } 8463 } 8464 } 8465 8466 if (sizeChanged) { 8467 requestLayout(); 8468 // caller will have already invalidated 8469 } 8470 } 8471 8472 /** 8473 * Check whether entirely new text requires a new view layout 8474 * or merely a new text layout. 8475 */ 8476 private void checkForRelayout() { 8477 // If we have a fixed width, we can just swap in a new text layout 8478 // if the text height stays the same or if the view height is fixed. 8479 8480 if ((mLayoutParams.width != LayoutParams.WRAP_CONTENT 8481 || (mMaxWidthMode == mMinWidthMode && mMaxWidth == mMinWidth)) 8482 && (mHint == null || mHintLayout != null) 8483 && (mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight() > 0)) { 8484 // Static width, so try making a new text layout. 8485 8486 int oldht = mLayout.getHeight(); 8487 int want = mLayout.getWidth(); 8488 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 8489 8490 /* 8491 * No need to bring the text into view, since the size is not 8492 * changing (unless we do the requestLayout(), in which case it 8493 * will happen at measure). 8494 */ 8495 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 8496 mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(), 8497 false); 8498 8499 if (mEllipsize != TextUtils.TruncateAt.MARQUEE) { 8500 // In a fixed-height view, so use our new text layout. 8501 if (mLayoutParams.height != LayoutParams.WRAP_CONTENT 8502 && mLayoutParams.height != LayoutParams.MATCH_PARENT) { 8503 autoSizeText(); 8504 invalidate(); 8505 return; 8506 } 8507 8508 // Dynamic height, but height has stayed the same, 8509 // so use our new text layout. 8510 if (mLayout.getHeight() == oldht 8511 && (mHintLayout == null || mHintLayout.getHeight() == oldht)) { 8512 autoSizeText(); 8513 invalidate(); 8514 return; 8515 } 8516 } 8517 8518 // We lose: the height has changed and we have a dynamic height. 8519 // Request a new view layout using our new text layout. 8520 requestLayout(); 8521 invalidate(); 8522 } else { 8523 // Dynamic width, so we have no choice but to request a new 8524 // view layout with a new text layout. 8525 nullLayouts(); 8526 requestLayout(); 8527 invalidate(); 8528 } 8529 } 8530 8531 @Override 8532 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 8533 super.onLayout(changed, left, top, right, bottom); 8534 if (mDeferScroll >= 0) { 8535 int curs = mDeferScroll; 8536 mDeferScroll = -1; 8537 bringPointIntoView(Math.min(curs, mText.length())); 8538 } 8539 // Call auto-size after the width and height have been calculated. 8540 autoSizeText(); 8541 } 8542 8543 private boolean isShowingHint() { 8544 return TextUtils.isEmpty(mText) && !TextUtils.isEmpty(mHint); 8545 } 8546 8547 /** 8548 * Returns true if anything changed. 8549 */ 8550 private boolean bringTextIntoView() { 8551 Layout layout = isShowingHint() ? mHintLayout : mLayout; 8552 int line = 0; 8553 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8554 line = layout.getLineCount() - 1; 8555 } 8556 8557 Layout.Alignment a = layout.getParagraphAlignment(line); 8558 int dir = layout.getParagraphDirection(line); 8559 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8560 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8561 int ht = layout.getHeight(); 8562 8563 int scrollx, scrolly; 8564 8565 // Convert to left, center, or right alignment. 8566 if (a == Layout.Alignment.ALIGN_NORMAL) { 8567 a = dir == Layout.DIR_LEFT_TO_RIGHT 8568 ? Layout.Alignment.ALIGN_LEFT : Layout.Alignment.ALIGN_RIGHT; 8569 } else if (a == Layout.Alignment.ALIGN_OPPOSITE) { 8570 a = dir == Layout.DIR_LEFT_TO_RIGHT 8571 ? Layout.Alignment.ALIGN_RIGHT : Layout.Alignment.ALIGN_LEFT; 8572 } 8573 8574 if (a == Layout.Alignment.ALIGN_CENTER) { 8575 /* 8576 * Keep centered if possible, or, if it is too wide to fit, 8577 * keep leading edge in view. 8578 */ 8579 8580 int left = (int) Math.floor(layout.getLineLeft(line)); 8581 int right = (int) Math.ceil(layout.getLineRight(line)); 8582 8583 if (right - left < hspace) { 8584 scrollx = (right + left) / 2 - hspace / 2; 8585 } else { 8586 if (dir < 0) { 8587 scrollx = right - hspace; 8588 } else { 8589 scrollx = left; 8590 } 8591 } 8592 } else if (a == Layout.Alignment.ALIGN_RIGHT) { 8593 int right = (int) Math.ceil(layout.getLineRight(line)); 8594 scrollx = right - hspace; 8595 } else { // a == Layout.Alignment.ALIGN_LEFT (will also be the default) 8596 scrollx = (int) Math.floor(layout.getLineLeft(line)); 8597 } 8598 8599 if (ht < vspace) { 8600 scrolly = 0; 8601 } else { 8602 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 8603 scrolly = ht - vspace; 8604 } else { 8605 scrolly = 0; 8606 } 8607 } 8608 8609 if (scrollx != mScrollX || scrolly != mScrollY) { 8610 scrollTo(scrollx, scrolly); 8611 return true; 8612 } else { 8613 return false; 8614 } 8615 } 8616 8617 /** 8618 * Move the point, specified by the offset, into the view if it is needed. 8619 * This has to be called after layout. Returns true if anything changed. 8620 */ 8621 public boolean bringPointIntoView(int offset) { 8622 if (isLayoutRequested()) { 8623 mDeferScroll = offset; 8624 return false; 8625 } 8626 boolean changed = false; 8627 8628 Layout layout = isShowingHint() ? mHintLayout : mLayout; 8629 8630 if (layout == null) return changed; 8631 8632 int line = layout.getLineForOffset(offset); 8633 8634 int grav; 8635 8636 switch (layout.getParagraphAlignment(line)) { 8637 case ALIGN_LEFT: 8638 grav = 1; 8639 break; 8640 case ALIGN_RIGHT: 8641 grav = -1; 8642 break; 8643 case ALIGN_NORMAL: 8644 grav = layout.getParagraphDirection(line); 8645 break; 8646 case ALIGN_OPPOSITE: 8647 grav = -layout.getParagraphDirection(line); 8648 break; 8649 case ALIGN_CENTER: 8650 default: 8651 grav = 0; 8652 break; 8653 } 8654 8655 // We only want to clamp the cursor to fit within the layout width 8656 // in left-to-right modes, because in a right to left alignment, 8657 // we want to scroll to keep the line-right on the screen, as other 8658 // lines are likely to have text flush with the right margin, which 8659 // we want to keep visible. 8660 // A better long-term solution would probably be to measure both 8661 // the full line and a blank-trimmed version, and, for example, use 8662 // the latter measurement for centering and right alignment, but for 8663 // the time being we only implement the cursor clamping in left to 8664 // right where it is most likely to be annoying. 8665 final boolean clamped = grav > 0; 8666 // FIXME: Is it okay to truncate this, or should we round? 8667 final int x = (int) layout.getPrimaryHorizontal(offset, clamped); 8668 final int top = layout.getLineTop(line); 8669 final int bottom = layout.getLineTop(line + 1); 8670 8671 int left = (int) Math.floor(layout.getLineLeft(line)); 8672 int right = (int) Math.ceil(layout.getLineRight(line)); 8673 int ht = layout.getHeight(); 8674 8675 int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8676 int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8677 if (!mHorizontallyScrolling && right - left > hspace && right > x) { 8678 // If cursor has been clamped, make sure we don't scroll. 8679 right = Math.max(x, left + hspace); 8680 } 8681 8682 int hslack = (bottom - top) / 2; 8683 int vslack = hslack; 8684 8685 if (vslack > vspace / 4) { 8686 vslack = vspace / 4; 8687 } 8688 if (hslack > hspace / 4) { 8689 hslack = hspace / 4; 8690 } 8691 8692 int hs = mScrollX; 8693 int vs = mScrollY; 8694 8695 if (top - vs < vslack) { 8696 vs = top - vslack; 8697 } 8698 if (bottom - vs > vspace - vslack) { 8699 vs = bottom - (vspace - vslack); 8700 } 8701 if (ht - vs < vspace) { 8702 vs = ht - vspace; 8703 } 8704 if (0 - vs > 0) { 8705 vs = 0; 8706 } 8707 8708 if (grav != 0) { 8709 if (x - hs < hslack) { 8710 hs = x - hslack; 8711 } 8712 if (x - hs > hspace - hslack) { 8713 hs = x - (hspace - hslack); 8714 } 8715 } 8716 8717 if (grav < 0) { 8718 if (left - hs > 0) { 8719 hs = left; 8720 } 8721 if (right - hs < hspace) { 8722 hs = right - hspace; 8723 } 8724 } else if (grav > 0) { 8725 if (right - hs < hspace) { 8726 hs = right - hspace; 8727 } 8728 if (left - hs > 0) { 8729 hs = left; 8730 } 8731 } else /* grav == 0 */ { 8732 if (right - left <= hspace) { 8733 /* 8734 * If the entire text fits, center it exactly. 8735 */ 8736 hs = left - (hspace - (right - left)) / 2; 8737 } else if (x > right - hslack) { 8738 /* 8739 * If we are near the right edge, keep the right edge 8740 * at the edge of the view. 8741 */ 8742 hs = right - hspace; 8743 } else if (x < left + hslack) { 8744 /* 8745 * If we are near the left edge, keep the left edge 8746 * at the edge of the view. 8747 */ 8748 hs = left; 8749 } else if (left > hs) { 8750 /* 8751 * Is there whitespace visible at the left? Fix it if so. 8752 */ 8753 hs = left; 8754 } else if (right < hs + hspace) { 8755 /* 8756 * Is there whitespace visible at the right? Fix it if so. 8757 */ 8758 hs = right - hspace; 8759 } else { 8760 /* 8761 * Otherwise, float as needed. 8762 */ 8763 if (x - hs < hslack) { 8764 hs = x - hslack; 8765 } 8766 if (x - hs > hspace - hslack) { 8767 hs = x - (hspace - hslack); 8768 } 8769 } 8770 } 8771 8772 if (hs != mScrollX || vs != mScrollY) { 8773 if (mScroller == null) { 8774 scrollTo(hs, vs); 8775 } else { 8776 long duration = AnimationUtils.currentAnimationTimeMillis() - mLastScroll; 8777 int dx = hs - mScrollX; 8778 int dy = vs - mScrollY; 8779 8780 if (duration > ANIMATED_SCROLL_GAP) { 8781 mScroller.startScroll(mScrollX, mScrollY, dx, dy); 8782 awakenScrollBars(mScroller.getDuration()); 8783 invalidate(); 8784 } else { 8785 if (!mScroller.isFinished()) { 8786 mScroller.abortAnimation(); 8787 } 8788 8789 scrollBy(dx, dy); 8790 } 8791 8792 mLastScroll = AnimationUtils.currentAnimationTimeMillis(); 8793 } 8794 8795 changed = true; 8796 } 8797 8798 if (isFocused()) { 8799 // This offsets because getInterestingRect() is in terms of viewport coordinates, but 8800 // requestRectangleOnScreen() is in terms of content coordinates. 8801 8802 // The offsets here are to ensure the rectangle we are using is 8803 // within our view bounds, in case the cursor is on the far left 8804 // or right. If it isn't withing the bounds, then this request 8805 // will be ignored. 8806 if (mTempRect == null) mTempRect = new Rect(); 8807 mTempRect.set(x - 2, top, x + 2, bottom); 8808 getInterestingRect(mTempRect, line); 8809 mTempRect.offset(mScrollX, mScrollY); 8810 8811 if (requestRectangleOnScreen(mTempRect)) { 8812 changed = true; 8813 } 8814 } 8815 8816 return changed; 8817 } 8818 8819 /** 8820 * Move the cursor, if needed, so that it is at an offset that is visible 8821 * to the user. This will not move the cursor if it represents more than 8822 * one character (a selection range). This will only work if the 8823 * TextView contains spannable text; otherwise it will do nothing. 8824 * 8825 * @return True if the cursor was actually moved, false otherwise. 8826 */ 8827 public boolean moveCursorToVisibleOffset() { 8828 if (!(mText instanceof Spannable)) { 8829 return false; 8830 } 8831 int start = getSelectionStart(); 8832 int end = getSelectionEnd(); 8833 if (start != end) { 8834 return false; 8835 } 8836 8837 // First: make sure the line is visible on screen: 8838 8839 int line = mLayout.getLineForOffset(start); 8840 8841 final int top = mLayout.getLineTop(line); 8842 final int bottom = mLayout.getLineTop(line + 1); 8843 final int vspace = mBottom - mTop - getExtendedPaddingTop() - getExtendedPaddingBottom(); 8844 int vslack = (bottom - top) / 2; 8845 if (vslack > vspace / 4) { 8846 vslack = vspace / 4; 8847 } 8848 final int vs = mScrollY; 8849 8850 if (top < (vs + vslack)) { 8851 line = mLayout.getLineForVertical(vs + vslack + (bottom - top)); 8852 } else if (bottom > (vspace + vs - vslack)) { 8853 line = mLayout.getLineForVertical(vspace + vs - vslack - (bottom - top)); 8854 } 8855 8856 // Next: make sure the character is visible on screen: 8857 8858 final int hspace = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 8859 final int hs = mScrollX; 8860 final int leftChar = mLayout.getOffsetForHorizontal(line, hs); 8861 final int rightChar = mLayout.getOffsetForHorizontal(line, hspace + hs); 8862 8863 // line might contain bidirectional text 8864 final int lowChar = leftChar < rightChar ? leftChar : rightChar; 8865 final int highChar = leftChar > rightChar ? leftChar : rightChar; 8866 8867 int newStart = start; 8868 if (newStart < lowChar) { 8869 newStart = lowChar; 8870 } else if (newStart > highChar) { 8871 newStart = highChar; 8872 } 8873 8874 if (newStart != start) { 8875 Selection.setSelection((Spannable) mText, newStart); 8876 return true; 8877 } 8878 8879 return false; 8880 } 8881 8882 @Override 8883 public void computeScroll() { 8884 if (mScroller != null) { 8885 if (mScroller.computeScrollOffset()) { 8886 mScrollX = mScroller.getCurrX(); 8887 mScrollY = mScroller.getCurrY(); 8888 invalidateParentCaches(); 8889 postInvalidate(); // So we draw again 8890 } 8891 } 8892 } 8893 8894 private void getInterestingRect(Rect r, int line) { 8895 convertFromViewportToContentCoordinates(r); 8896 8897 // Rectangle can can be expanded on first and last line to take 8898 // padding into account. 8899 // TODO Take left/right padding into account too? 8900 if (line == 0) r.top -= getExtendedPaddingTop(); 8901 if (line == mLayout.getLineCount() - 1) r.bottom += getExtendedPaddingBottom(); 8902 } 8903 8904 private void convertFromViewportToContentCoordinates(Rect r) { 8905 final int horizontalOffset = viewportToContentHorizontalOffset(); 8906 r.left += horizontalOffset; 8907 r.right += horizontalOffset; 8908 8909 final int verticalOffset = viewportToContentVerticalOffset(); 8910 r.top += verticalOffset; 8911 r.bottom += verticalOffset; 8912 } 8913 8914 int viewportToContentHorizontalOffset() { 8915 return getCompoundPaddingLeft() - mScrollX; 8916 } 8917 8918 int viewportToContentVerticalOffset() { 8919 int offset = getExtendedPaddingTop() - mScrollY; 8920 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 8921 offset += getVerticalOffset(false); 8922 } 8923 return offset; 8924 } 8925 8926 @Override 8927 public void debug(int depth) { 8928 super.debug(depth); 8929 8930 String output = debugIndent(depth); 8931 output += "frame={" + mLeft + ", " + mTop + ", " + mRight 8932 + ", " + mBottom + "} scroll={" + mScrollX + ", " + mScrollY 8933 + "} "; 8934 8935 if (mText != null) { 8936 8937 output += "mText=\"" + mText + "\" "; 8938 if (mLayout != null) { 8939 output += "mLayout width=" + mLayout.getWidth() 8940 + " height=" + mLayout.getHeight(); 8941 } 8942 } else { 8943 output += "mText=NULL"; 8944 } 8945 Log.d(VIEW_LOG_TAG, output); 8946 } 8947 8948 /** 8949 * Convenience for {@link Selection#getSelectionStart}. 8950 */ 8951 @ViewDebug.ExportedProperty(category = "text") 8952 public int getSelectionStart() { 8953 return Selection.getSelectionStart(getText()); 8954 } 8955 8956 /** 8957 * Convenience for {@link Selection#getSelectionEnd}. 8958 */ 8959 @ViewDebug.ExportedProperty(category = "text") 8960 public int getSelectionEnd() { 8961 return Selection.getSelectionEnd(getText()); 8962 } 8963 8964 /** 8965 * Return true iff there is a selection inside this text view. 8966 */ 8967 public boolean hasSelection() { 8968 final int selectionStart = getSelectionStart(); 8969 final int selectionEnd = getSelectionEnd(); 8970 8971 return selectionStart >= 0 && selectionStart != selectionEnd; 8972 } 8973 8974 String getSelectedText() { 8975 if (!hasSelection()) { 8976 return null; 8977 } 8978 8979 final int start = getSelectionStart(); 8980 final int end = getSelectionEnd(); 8981 return String.valueOf( 8982 start > end ? mText.subSequence(end, start) : mText.subSequence(start, end)); 8983 } 8984 8985 /** 8986 * Sets the properties of this field (lines, horizontally scrolling, 8987 * transformation method) to be for a single-line input. 8988 * 8989 * @attr ref android.R.styleable#TextView_singleLine 8990 */ 8991 public void setSingleLine() { 8992 setSingleLine(true); 8993 } 8994 8995 /** 8996 * Sets the properties of this field to transform input to ALL CAPS 8997 * display. This may use a "small caps" formatting if available. 8998 * This setting will be ignored if this field is editable or selectable. 8999 * 9000 * This call replaces the current transformation method. Disabling this 9001 * will not necessarily restore the previous behavior from before this 9002 * was enabled. 9003 * 9004 * @see #setTransformationMethod(TransformationMethod) 9005 * @attr ref android.R.styleable#TextView_textAllCaps 9006 */ 9007 public void setAllCaps(boolean allCaps) { 9008 if (allCaps) { 9009 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 9010 } else { 9011 setTransformationMethod(null); 9012 } 9013 } 9014 9015 /** 9016 * If true, sets the properties of this field (number of lines, horizontally scrolling, 9017 * transformation method) to be for a single-line input; if false, restores these to the default 9018 * conditions. 9019 * 9020 * Note that the default conditions are not necessarily those that were in effect prior this 9021 * method, and you may want to reset these properties to your custom values. 9022 * 9023 * @attr ref android.R.styleable#TextView_singleLine 9024 */ 9025 @android.view.RemotableViewMethod 9026 public void setSingleLine(boolean singleLine) { 9027 // Could be used, but may break backward compatibility. 9028 // if (mSingleLine == singleLine) return; 9029 setInputTypeSingleLine(singleLine); 9030 applySingleLine(singleLine, true, true); 9031 } 9032 9033 /** 9034 * Adds or remove the EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE on the mInputType. 9035 * @param singleLine 9036 */ 9037 private void setInputTypeSingleLine(boolean singleLine) { 9038 if (mEditor != null 9039 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 9040 == EditorInfo.TYPE_CLASS_TEXT) { 9041 if (singleLine) { 9042 mEditor.mInputType &= ~EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 9043 } else { 9044 mEditor.mInputType |= EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE; 9045 } 9046 } 9047 } 9048 9049 private void applySingleLine(boolean singleLine, boolean applyTransformation, 9050 boolean changeMaxLines) { 9051 mSingleLine = singleLine; 9052 if (singleLine) { 9053 setLines(1); 9054 setHorizontallyScrolling(true); 9055 if (applyTransformation) { 9056 setTransformationMethod(SingleLineTransformationMethod.getInstance()); 9057 } 9058 } else { 9059 if (changeMaxLines) { 9060 setMaxLines(Integer.MAX_VALUE); 9061 } 9062 setHorizontallyScrolling(false); 9063 if (applyTransformation) { 9064 setTransformationMethod(null); 9065 } 9066 } 9067 } 9068 9069 /** 9070 * Causes words in the text that are longer than the view's width 9071 * to be ellipsized instead of broken in the middle. You may also 9072 * want to {@link #setSingleLine} or {@link #setHorizontallyScrolling} 9073 * to constrain the text to a single line. Use <code>null</code> 9074 * to turn off ellipsizing. 9075 * 9076 * If {@link #setMaxLines} has been used to set two or more lines, 9077 * only {@link android.text.TextUtils.TruncateAt#END} and 9078 * {@link android.text.TextUtils.TruncateAt#MARQUEE} are supported 9079 * (other ellipsizing types will not do anything). 9080 * 9081 * @attr ref android.R.styleable#TextView_ellipsize 9082 */ 9083 public void setEllipsize(TextUtils.TruncateAt where) { 9084 // TruncateAt is an enum. != comparison is ok between these singleton objects. 9085 if (mEllipsize != where) { 9086 mEllipsize = where; 9087 9088 if (mLayout != null) { 9089 nullLayouts(); 9090 requestLayout(); 9091 invalidate(); 9092 } 9093 } 9094 } 9095 9096 /** 9097 * Sets how many times to repeat the marquee animation. Only applied if the 9098 * TextView has marquee enabled. Set to -1 to repeat indefinitely. 9099 * 9100 * @see #getMarqueeRepeatLimit() 9101 * 9102 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 9103 */ 9104 public void setMarqueeRepeatLimit(int marqueeLimit) { 9105 mMarqueeRepeatLimit = marqueeLimit; 9106 } 9107 9108 /** 9109 * Gets the number of times the marquee animation is repeated. Only meaningful if the 9110 * TextView has marquee enabled. 9111 * 9112 * @return the number of times the marquee animation is repeated. -1 if the animation 9113 * repeats indefinitely 9114 * 9115 * @see #setMarqueeRepeatLimit(int) 9116 * 9117 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 9118 */ 9119 public int getMarqueeRepeatLimit() { 9120 return mMarqueeRepeatLimit; 9121 } 9122 9123 /** 9124 * Returns where, if anywhere, words that are longer than the view 9125 * is wide should be ellipsized. 9126 */ 9127 @ViewDebug.ExportedProperty 9128 public TextUtils.TruncateAt getEllipsize() { 9129 return mEllipsize; 9130 } 9131 9132 /** 9133 * Set the TextView so that when it takes focus, all the text is 9134 * selected. 9135 * 9136 * @attr ref android.R.styleable#TextView_selectAllOnFocus 9137 */ 9138 @android.view.RemotableViewMethod 9139 public void setSelectAllOnFocus(boolean selectAllOnFocus) { 9140 createEditorIfNeeded(); 9141 mEditor.mSelectAllOnFocus = selectAllOnFocus; 9142 9143 if (selectAllOnFocus && !(mText instanceof Spannable)) { 9144 setText(mText, BufferType.SPANNABLE); 9145 } 9146 } 9147 9148 /** 9149 * Set whether the cursor is visible. The default is true. Note that this property only 9150 * makes sense for editable TextView. 9151 * 9152 * @see #isCursorVisible() 9153 * 9154 * @attr ref android.R.styleable#TextView_cursorVisible 9155 */ 9156 @android.view.RemotableViewMethod 9157 public void setCursorVisible(boolean visible) { 9158 if (visible && mEditor == null) return; // visible is the default value with no edit data 9159 createEditorIfNeeded(); 9160 if (mEditor.mCursorVisible != visible) { 9161 mEditor.mCursorVisible = visible; 9162 invalidate(); 9163 9164 mEditor.makeBlink(); 9165 9166 // InsertionPointCursorController depends on mCursorVisible 9167 mEditor.prepareCursorControllers(); 9168 } 9169 } 9170 9171 /** 9172 * @return whether or not the cursor is visible (assuming this TextView is editable) 9173 * 9174 * @see #setCursorVisible(boolean) 9175 * 9176 * @attr ref android.R.styleable#TextView_cursorVisible 9177 */ 9178 public boolean isCursorVisible() { 9179 // true is the default value 9180 return mEditor == null ? true : mEditor.mCursorVisible; 9181 } 9182 9183 private boolean canMarquee() { 9184 int width = mRight - mLeft - getCompoundPaddingLeft() - getCompoundPaddingRight(); 9185 return width > 0 && (mLayout.getLineWidth(0) > width 9186 || (mMarqueeFadeMode != MARQUEE_FADE_NORMAL && mSavedMarqueeModeLayout != null 9187 && mSavedMarqueeModeLayout.getLineWidth(0) > width)); 9188 } 9189 9190 private void startMarquee() { 9191 // Do not ellipsize EditText 9192 if (getKeyListener() != null) return; 9193 9194 if (compressText(getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight())) { 9195 return; 9196 } 9197 9198 if ((mMarquee == null || mMarquee.isStopped()) && (isFocused() || isSelected()) 9199 && getLineCount() == 1 && canMarquee()) { 9200 9201 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 9202 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_FADE; 9203 final Layout tmp = mLayout; 9204 mLayout = mSavedMarqueeModeLayout; 9205 mSavedMarqueeModeLayout = tmp; 9206 setHorizontalFadingEdgeEnabled(true); 9207 requestLayout(); 9208 invalidate(); 9209 } 9210 9211 if (mMarquee == null) mMarquee = new Marquee(this); 9212 mMarquee.start(mMarqueeRepeatLimit); 9213 } 9214 } 9215 9216 private void stopMarquee() { 9217 if (mMarquee != null && !mMarquee.isStopped()) { 9218 mMarquee.stop(); 9219 } 9220 9221 if (mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_FADE) { 9222 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 9223 final Layout tmp = mSavedMarqueeModeLayout; 9224 mSavedMarqueeModeLayout = mLayout; 9225 mLayout = tmp; 9226 setHorizontalFadingEdgeEnabled(false); 9227 requestLayout(); 9228 invalidate(); 9229 } 9230 } 9231 9232 private void startStopMarquee(boolean start) { 9233 if (mEllipsize == TextUtils.TruncateAt.MARQUEE) { 9234 if (start) { 9235 startMarquee(); 9236 } else { 9237 stopMarquee(); 9238 } 9239 } 9240 } 9241 9242 /** 9243 * This method is called when the text is changed, in case any subclasses 9244 * would like to know. 9245 * 9246 * Within <code>text</code>, the <code>lengthAfter</code> characters 9247 * beginning at <code>start</code> have just replaced old text that had 9248 * length <code>lengthBefore</code>. It is an error to attempt to make 9249 * changes to <code>text</code> from this callback. 9250 * 9251 * @param text The text the TextView is displaying 9252 * @param start The offset of the start of the range of the text that was 9253 * modified 9254 * @param lengthBefore The length of the former text that has been replaced 9255 * @param lengthAfter The length of the replacement modified text 9256 */ 9257 protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) { 9258 // intentionally empty, template pattern method can be overridden by subclasses 9259 } 9260 9261 /** 9262 * This method is called when the selection has changed, in case any 9263 * subclasses would like to know. 9264 * 9265 * @param selStart The new selection start location. 9266 * @param selEnd The new selection end location. 9267 */ 9268 protected void onSelectionChanged(int selStart, int selEnd) { 9269 sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED); 9270 } 9271 9272 /** 9273 * Adds a TextWatcher to the list of those whose methods are called 9274 * whenever this TextView's text changes. 9275 * <p> 9276 * In 1.0, the {@link TextWatcher#afterTextChanged} method was erroneously 9277 * not called after {@link #setText} calls. Now, doing {@link #setText} 9278 * if there are any text changed listeners forces the buffer type to 9279 * Editable if it would not otherwise be and does call this method. 9280 */ 9281 public void addTextChangedListener(TextWatcher watcher) { 9282 if (mListeners == null) { 9283 mListeners = new ArrayList<TextWatcher>(); 9284 } 9285 9286 mListeners.add(watcher); 9287 } 9288 9289 /** 9290 * Removes the specified TextWatcher from the list of those whose 9291 * methods are called 9292 * whenever this TextView's text changes. 9293 */ 9294 public void removeTextChangedListener(TextWatcher watcher) { 9295 if (mListeners != null) { 9296 int i = mListeners.indexOf(watcher); 9297 9298 if (i >= 0) { 9299 mListeners.remove(i); 9300 } 9301 } 9302 } 9303 9304 private void sendBeforeTextChanged(CharSequence text, int start, int before, int after) { 9305 if (mListeners != null) { 9306 final ArrayList<TextWatcher> list = mListeners; 9307 final int count = list.size(); 9308 for (int i = 0; i < count; i++) { 9309 list.get(i).beforeTextChanged(text, start, before, after); 9310 } 9311 } 9312 9313 // The spans that are inside or intersect the modified region no longer make sense 9314 removeIntersectingNonAdjacentSpans(start, start + before, SpellCheckSpan.class); 9315 removeIntersectingNonAdjacentSpans(start, start + before, SuggestionSpan.class); 9316 } 9317 9318 // Removes all spans that are inside or actually overlap the start..end range 9319 private <T> void removeIntersectingNonAdjacentSpans(int start, int end, Class<T> type) { 9320 if (!(mText instanceof Editable)) return; 9321 Editable text = (Editable) mText; 9322 9323 T[] spans = text.getSpans(start, end, type); 9324 final int length = spans.length; 9325 for (int i = 0; i < length; i++) { 9326 final int spanStart = text.getSpanStart(spans[i]); 9327 final int spanEnd = text.getSpanEnd(spans[i]); 9328 if (spanEnd == start || spanStart == end) break; 9329 text.removeSpan(spans[i]); 9330 } 9331 } 9332 9333 void removeAdjacentSuggestionSpans(final int pos) { 9334 if (!(mText instanceof Editable)) return; 9335 final Editable text = (Editable) mText; 9336 9337 final SuggestionSpan[] spans = text.getSpans(pos, pos, SuggestionSpan.class); 9338 final int length = spans.length; 9339 for (int i = 0; i < length; i++) { 9340 final int spanStart = text.getSpanStart(spans[i]); 9341 final int spanEnd = text.getSpanEnd(spans[i]); 9342 if (spanEnd == pos || spanStart == pos) { 9343 if (SpellChecker.haveWordBoundariesChanged(text, pos, pos, spanStart, spanEnd)) { 9344 text.removeSpan(spans[i]); 9345 } 9346 } 9347 } 9348 } 9349 9350 /** 9351 * Not private so it can be called from an inner class without going 9352 * through a thunk. 9353 */ 9354 void sendOnTextChanged(CharSequence text, int start, int before, int after) { 9355 if (mListeners != null) { 9356 final ArrayList<TextWatcher> list = mListeners; 9357 final int count = list.size(); 9358 for (int i = 0; i < count; i++) { 9359 list.get(i).onTextChanged(text, start, before, after); 9360 } 9361 } 9362 9363 if (mEditor != null) mEditor.sendOnTextChanged(start, after); 9364 } 9365 9366 /** 9367 * Not private so it can be called from an inner class without going 9368 * through a thunk. 9369 */ 9370 void sendAfterTextChanged(Editable text) { 9371 if (mListeners != null) { 9372 final ArrayList<TextWatcher> list = mListeners; 9373 final int count = list.size(); 9374 for (int i = 0; i < count; i++) { 9375 list.get(i).afterTextChanged(text); 9376 } 9377 } 9378 9379 // Always notify AutoFillManager - it will return right away if autofill is disabled. 9380 notifyAutoFillManagerAfterTextChangedIfNeeded(); 9381 9382 hideErrorIfUnchanged(); 9383 } 9384 9385 private void notifyAutoFillManagerAfterTextChangedIfNeeded() { 9386 // It is important to not check whether the view is important for autofill 9387 // since the user can trigger autofill manually on not important views. 9388 if (!isAutofillable()) { 9389 return; 9390 } 9391 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 9392 if (afm != null) { 9393 if (DEBUG_AUTOFILL) { 9394 Log.v(LOG_TAG, "sendAfterTextChanged(): notify AFM for text=" + mText); 9395 } 9396 afm.notifyValueChanged(TextView.this); 9397 } 9398 } 9399 9400 private boolean isAutofillable() { 9401 // It is important to not check whether the view is important for autofill 9402 // since the user can trigger autofill manually on not important views. 9403 return getAutofillType() != AUTOFILL_TYPE_NONE; 9404 } 9405 9406 void updateAfterEdit() { 9407 invalidate(); 9408 int curs = getSelectionStart(); 9409 9410 if (curs >= 0 || (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 9411 registerForPreDraw(); 9412 } 9413 9414 checkForResize(); 9415 9416 if (curs >= 0) { 9417 mHighlightPathBogus = true; 9418 if (mEditor != null) mEditor.makeBlink(); 9419 bringPointIntoView(curs); 9420 } 9421 } 9422 9423 /** 9424 * Not private so it can be called from an inner class without going 9425 * through a thunk. 9426 */ 9427 void handleTextChanged(CharSequence buffer, int start, int before, int after) { 9428 sLastCutCopyOrTextChangedTime = 0; 9429 9430 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 9431 if (ims == null || ims.mBatchEditNesting == 0) { 9432 updateAfterEdit(); 9433 } 9434 if (ims != null) { 9435 ims.mContentChanged = true; 9436 if (ims.mChangedStart < 0) { 9437 ims.mChangedStart = start; 9438 ims.mChangedEnd = start + before; 9439 } else { 9440 ims.mChangedStart = Math.min(ims.mChangedStart, start); 9441 ims.mChangedEnd = Math.max(ims.mChangedEnd, start + before - ims.mChangedDelta); 9442 } 9443 ims.mChangedDelta += after - before; 9444 } 9445 resetErrorChangedFlag(); 9446 sendOnTextChanged(buffer, start, before, after); 9447 onTextChanged(buffer, start, before, after); 9448 } 9449 9450 /** 9451 * Not private so it can be called from an inner class without going 9452 * through a thunk. 9453 */ 9454 void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) { 9455 // XXX Make the start and end move together if this ends up 9456 // spending too much time invalidating. 9457 9458 boolean selChanged = false; 9459 int newSelStart = -1, newSelEnd = -1; 9460 9461 final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState; 9462 9463 if (what == Selection.SELECTION_END) { 9464 selChanged = true; 9465 newSelEnd = newStart; 9466 9467 if (oldStart >= 0 || newStart >= 0) { 9468 invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart); 9469 checkForResize(); 9470 registerForPreDraw(); 9471 if (mEditor != null) mEditor.makeBlink(); 9472 } 9473 } 9474 9475 if (what == Selection.SELECTION_START) { 9476 selChanged = true; 9477 newSelStart = newStart; 9478 9479 if (oldStart >= 0 || newStart >= 0) { 9480 int end = Selection.getSelectionEnd(buf); 9481 invalidateCursor(end, oldStart, newStart); 9482 } 9483 } 9484 9485 if (selChanged) { 9486 mHighlightPathBogus = true; 9487 if (mEditor != null && !isFocused()) mEditor.mSelectionMoved = true; 9488 9489 if ((buf.getSpanFlags(what) & Spanned.SPAN_INTERMEDIATE) == 0) { 9490 if (newSelStart < 0) { 9491 newSelStart = Selection.getSelectionStart(buf); 9492 } 9493 if (newSelEnd < 0) { 9494 newSelEnd = Selection.getSelectionEnd(buf); 9495 } 9496 9497 if (mEditor != null) { 9498 mEditor.refreshTextActionMode(); 9499 if (!hasSelection() 9500 && mEditor.getTextActionMode() == null && hasTransientState()) { 9501 // User generated selection has been removed. 9502 setHasTransientState(false); 9503 } 9504 } 9505 onSelectionChanged(newSelStart, newSelEnd); 9506 } 9507 } 9508 9509 if (what instanceof UpdateAppearance || what instanceof ParagraphStyle 9510 || what instanceof CharacterStyle) { 9511 if (ims == null || ims.mBatchEditNesting == 0) { 9512 invalidate(); 9513 mHighlightPathBogus = true; 9514 checkForResize(); 9515 } else { 9516 ims.mContentChanged = true; 9517 } 9518 if (mEditor != null) { 9519 if (oldStart >= 0) mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd); 9520 if (newStart >= 0) mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd); 9521 mEditor.invalidateHandlesAndActionMode(); 9522 } 9523 } 9524 9525 if (MetaKeyKeyListener.isMetaTracker(buf, what)) { 9526 mHighlightPathBogus = true; 9527 if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) { 9528 ims.mSelectionModeChanged = true; 9529 } 9530 9531 if (Selection.getSelectionStart(buf) >= 0) { 9532 if (ims == null || ims.mBatchEditNesting == 0) { 9533 invalidateCursor(); 9534 } else { 9535 ims.mCursorChanged = true; 9536 } 9537 } 9538 } 9539 9540 if (what instanceof ParcelableSpan) { 9541 // If this is a span that can be sent to a remote process, 9542 // the current extract editor would be interested in it. 9543 if (ims != null && ims.mExtractedTextRequest != null) { 9544 if (ims.mBatchEditNesting != 0) { 9545 if (oldStart >= 0) { 9546 if (ims.mChangedStart > oldStart) { 9547 ims.mChangedStart = oldStart; 9548 } 9549 if (ims.mChangedStart > oldEnd) { 9550 ims.mChangedStart = oldEnd; 9551 } 9552 } 9553 if (newStart >= 0) { 9554 if (ims.mChangedStart > newStart) { 9555 ims.mChangedStart = newStart; 9556 } 9557 if (ims.mChangedStart > newEnd) { 9558 ims.mChangedStart = newEnd; 9559 } 9560 } 9561 } else { 9562 if (DEBUG_EXTRACT) { 9563 Log.v(LOG_TAG, "Span change outside of batch: " 9564 + oldStart + "-" + oldEnd + "," 9565 + newStart + "-" + newEnd + " " + what); 9566 } 9567 ims.mContentChanged = true; 9568 } 9569 } 9570 } 9571 9572 if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 9573 && what instanceof SpellCheckSpan) { 9574 mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what); 9575 } 9576 } 9577 9578 @Override 9579 protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 9580 if (isTemporarilyDetached()) { 9581 // If we are temporarily in the detach state, then do nothing. 9582 super.onFocusChanged(focused, direction, previouslyFocusedRect); 9583 return; 9584 } 9585 9586 if (mEditor != null) mEditor.onFocusChanged(focused, direction); 9587 9588 if (focused) { 9589 if (mText instanceof Spannable) { 9590 Spannable sp = (Spannable) mText; 9591 MetaKeyKeyListener.resetMetaState(sp); 9592 } 9593 } 9594 9595 startStopMarquee(focused); 9596 9597 if (mTransformation != null) { 9598 mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect); 9599 } 9600 9601 super.onFocusChanged(focused, direction, previouslyFocusedRect); 9602 } 9603 9604 @Override 9605 public void onWindowFocusChanged(boolean hasWindowFocus) { 9606 super.onWindowFocusChanged(hasWindowFocus); 9607 9608 if (mEditor != null) mEditor.onWindowFocusChanged(hasWindowFocus); 9609 9610 startStopMarquee(hasWindowFocus); 9611 } 9612 9613 @Override 9614 protected void onVisibilityChanged(View changedView, int visibility) { 9615 super.onVisibilityChanged(changedView, visibility); 9616 if (mEditor != null && visibility != VISIBLE) { 9617 mEditor.hideCursorAndSpanControllers(); 9618 stopTextActionMode(); 9619 } 9620 } 9621 9622 /** 9623 * Use {@link BaseInputConnection#removeComposingSpans 9624 * BaseInputConnection.removeComposingSpans()} to remove any IME composing 9625 * state from this text view. 9626 */ 9627 public void clearComposingText() { 9628 if (mText instanceof Spannable) { 9629 BaseInputConnection.removeComposingSpans((Spannable) mText); 9630 } 9631 } 9632 9633 @Override 9634 public void setSelected(boolean selected) { 9635 boolean wasSelected = isSelected(); 9636 9637 super.setSelected(selected); 9638 9639 if (selected != wasSelected && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 9640 if (selected) { 9641 startMarquee(); 9642 } else { 9643 stopMarquee(); 9644 } 9645 } 9646 } 9647 9648 @Override 9649 public boolean onTouchEvent(MotionEvent event) { 9650 final int action = event.getActionMasked(); 9651 if (mEditor != null) { 9652 mEditor.onTouchEvent(event); 9653 9654 if (mEditor.mSelectionModifierCursorController != null 9655 && mEditor.mSelectionModifierCursorController.isDragAcceleratorActive()) { 9656 return true; 9657 } 9658 } 9659 9660 final boolean superResult = super.onTouchEvent(event); 9661 9662 /* 9663 * Don't handle the release after a long press, because it will move the selection away from 9664 * whatever the menu action was trying to affect. If the long press should have triggered an 9665 * insertion action mode, we can now actually show it. 9666 */ 9667 if (mEditor != null && mEditor.mDiscardNextActionUp && action == MotionEvent.ACTION_UP) { 9668 mEditor.mDiscardNextActionUp = false; 9669 9670 if (mEditor.mIsInsertionActionModeStartPending) { 9671 mEditor.startInsertionActionMode(); 9672 mEditor.mIsInsertionActionModeStartPending = false; 9673 } 9674 return superResult; 9675 } 9676 9677 final boolean touchIsFinished = (action == MotionEvent.ACTION_UP) 9678 && (mEditor == null || !mEditor.mIgnoreActionUpEvent) && isFocused(); 9679 9680 if ((mMovement != null || onCheckIsTextEditor()) && isEnabled() 9681 && mText instanceof Spannable && mLayout != null) { 9682 boolean handled = false; 9683 9684 if (mMovement != null) { 9685 handled |= mMovement.onTouchEvent(this, (Spannable) mText, event); 9686 } 9687 9688 final boolean textIsSelectable = isTextSelectable(); 9689 if (touchIsFinished && mLinksClickable && mAutoLinkMask != 0 && textIsSelectable) { 9690 // The LinkMovementMethod which should handle taps on links has not been installed 9691 // on non editable text that support text selection. 9692 // We reproduce its behavior here to open links for these. 9693 ClickableSpan[] links = ((Spannable) mText).getSpans(getSelectionStart(), 9694 getSelectionEnd(), ClickableSpan.class); 9695 9696 if (links.length > 0) { 9697 links[0].onClick(this); 9698 handled = true; 9699 } 9700 } 9701 9702 if (touchIsFinished && (isTextEditable() || textIsSelectable)) { 9703 // Show the IME, except when selecting in read-only text. 9704 final InputMethodManager imm = InputMethodManager.peekInstance(); 9705 viewClicked(imm); 9706 if (isTextEditable() && mEditor.mShowSoftInputOnFocus && imm != null) { 9707 imm.showSoftInput(this, 0); 9708 } 9709 9710 // The above condition ensures that the mEditor is not null 9711 mEditor.onTouchUpEvent(event); 9712 9713 handled = true; 9714 } 9715 9716 if (handled) { 9717 return true; 9718 } 9719 } 9720 9721 return superResult; 9722 } 9723 9724 @Override 9725 public boolean onGenericMotionEvent(MotionEvent event) { 9726 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 9727 try { 9728 if (mMovement.onGenericMotionEvent(this, (Spannable) mText, event)) { 9729 return true; 9730 } 9731 } catch (AbstractMethodError ex) { 9732 // onGenericMotionEvent was added to the MovementMethod interface in API 12. 9733 // Ignore its absence in case third party applications implemented the 9734 // interface directly. 9735 } 9736 } 9737 return super.onGenericMotionEvent(event); 9738 } 9739 9740 @Override 9741 protected void onCreateContextMenu(ContextMenu menu) { 9742 if (mEditor != null) { 9743 mEditor.onCreateContextMenu(menu); 9744 } 9745 } 9746 9747 @Override 9748 public boolean showContextMenu() { 9749 if (mEditor != null) { 9750 mEditor.setContextMenuAnchor(Float.NaN, Float.NaN); 9751 } 9752 return super.showContextMenu(); 9753 } 9754 9755 @Override 9756 public boolean showContextMenu(float x, float y) { 9757 if (mEditor != null) { 9758 mEditor.setContextMenuAnchor(x, y); 9759 } 9760 return super.showContextMenu(x, y); 9761 } 9762 9763 /** 9764 * @return True iff this TextView contains a text that can be edited, or if this is 9765 * a selectable TextView. 9766 */ 9767 boolean isTextEditable() { 9768 return mText instanceof Editable && onCheckIsTextEditor() && isEnabled(); 9769 } 9770 9771 /** 9772 * Returns true, only while processing a touch gesture, if the initial 9773 * touch down event caused focus to move to the text view and as a result 9774 * its selection changed. Only valid while processing the touch gesture 9775 * of interest, in an editable text view. 9776 */ 9777 public boolean didTouchFocusSelect() { 9778 return mEditor != null && mEditor.mTouchFocusSelected; 9779 } 9780 9781 @Override 9782 public void cancelLongPress() { 9783 super.cancelLongPress(); 9784 if (mEditor != null) mEditor.mIgnoreActionUpEvent = true; 9785 } 9786 9787 @Override 9788 public boolean onTrackballEvent(MotionEvent event) { 9789 if (mMovement != null && mText instanceof Spannable && mLayout != null) { 9790 if (mMovement.onTrackballEvent(this, (Spannable) mText, event)) { 9791 return true; 9792 } 9793 } 9794 9795 return super.onTrackballEvent(event); 9796 } 9797 9798 /** 9799 * Sets the Scroller used for producing a scrolling animation 9800 * 9801 * @param s A Scroller instance 9802 */ 9803 public void setScroller(Scroller s) { 9804 mScroller = s; 9805 } 9806 9807 @Override 9808 protected float getLeftFadingEdgeStrength() { 9809 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 9810 final Marquee marquee = mMarquee; 9811 if (marquee.shouldDrawLeftFade()) { 9812 return getHorizontalFadingEdgeStrength(marquee.getScroll(), 0.0f); 9813 } else { 9814 return 0.0f; 9815 } 9816 } else if (getLineCount() == 1) { 9817 final float lineLeft = getLayout().getLineLeft(0); 9818 if (lineLeft > mScrollX) return 0.0f; 9819 return getHorizontalFadingEdgeStrength(mScrollX, lineLeft); 9820 } 9821 return super.getLeftFadingEdgeStrength(); 9822 } 9823 9824 @Override 9825 protected float getRightFadingEdgeStrength() { 9826 if (isMarqueeFadeEnabled() && mMarquee != null && !mMarquee.isStopped()) { 9827 final Marquee marquee = mMarquee; 9828 return getHorizontalFadingEdgeStrength(marquee.getMaxFadeScroll(), marquee.getScroll()); 9829 } else if (getLineCount() == 1) { 9830 final float rightEdge = mScrollX + 9831 (getWidth() - getCompoundPaddingLeft() - getCompoundPaddingRight()); 9832 final float lineRight = getLayout().getLineRight(0); 9833 if (lineRight < rightEdge) return 0.0f; 9834 return getHorizontalFadingEdgeStrength(rightEdge, lineRight); 9835 } 9836 return super.getRightFadingEdgeStrength(); 9837 } 9838 9839 /** 9840 * Calculates the fading edge strength as the ratio of the distance between two 9841 * horizontal positions to {@link View#getHorizontalFadingEdgeLength()}. Uses the absolute 9842 * value for the distance calculation. 9843 * 9844 * @param position1 A horizontal position. 9845 * @param position2 A horizontal position. 9846 * @return Fading edge strength between [0.0f, 1.0f]. 9847 */ 9848 @FloatRange(from = 0.0, to = 1.0) 9849 private float getHorizontalFadingEdgeStrength(float position1, float position2) { 9850 final int horizontalFadingEdgeLength = getHorizontalFadingEdgeLength(); 9851 if (horizontalFadingEdgeLength == 0) return 0.0f; 9852 final float diff = Math.abs(position1 - position2); 9853 if (diff > horizontalFadingEdgeLength) return 1.0f; 9854 return diff / horizontalFadingEdgeLength; 9855 } 9856 9857 private boolean isMarqueeFadeEnabled() { 9858 return mEllipsize == TextUtils.TruncateAt.MARQUEE 9859 && mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 9860 } 9861 9862 @Override 9863 protected int computeHorizontalScrollRange() { 9864 if (mLayout != null) { 9865 return mSingleLine && (mGravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.LEFT 9866 ? (int) mLayout.getLineWidth(0) : mLayout.getWidth(); 9867 } 9868 9869 return super.computeHorizontalScrollRange(); 9870 } 9871 9872 @Override 9873 protected int computeVerticalScrollRange() { 9874 if (mLayout != null) { 9875 return mLayout.getHeight(); 9876 } 9877 return super.computeVerticalScrollRange(); 9878 } 9879 9880 @Override 9881 protected int computeVerticalScrollExtent() { 9882 return getHeight() - getCompoundPaddingTop() - getCompoundPaddingBottom(); 9883 } 9884 9885 @Override 9886 public void findViewsWithText(ArrayList<View> outViews, CharSequence searched, int flags) { 9887 super.findViewsWithText(outViews, searched, flags); 9888 if (!outViews.contains(this) && (flags & FIND_VIEWS_WITH_TEXT) != 0 9889 && !TextUtils.isEmpty(searched) && !TextUtils.isEmpty(mText)) { 9890 String searchedLowerCase = searched.toString().toLowerCase(); 9891 String textLowerCase = mText.toString().toLowerCase(); 9892 if (textLowerCase.contains(searchedLowerCase)) { 9893 outViews.add(this); 9894 } 9895 } 9896 } 9897 9898 /** 9899 * Type of the text buffer that defines the characteristics of the text such as static, 9900 * styleable, or editable. 9901 */ 9902 public enum BufferType { 9903 NORMAL, SPANNABLE, EDITABLE 9904 } 9905 9906 /** 9907 * Returns the TextView_textColor attribute from the TypedArray, if set, or 9908 * the TextAppearance_textColor from the TextView_textAppearance attribute, 9909 * if TextView_textColor was not set directly. 9910 * 9911 * @removed 9912 */ 9913 public static ColorStateList getTextColors(Context context, TypedArray attrs) { 9914 if (attrs == null) { 9915 // Preserve behavior prior to removal of this API. 9916 throw new NullPointerException(); 9917 } 9918 9919 // It's not safe to use this method from apps. The parameter 'attrs' 9920 // must have been obtained using the TextView filter array which is not 9921 // available to the SDK. As such, we grab a default TypedArray with the 9922 // right filter instead here. 9923 final TypedArray a = context.obtainStyledAttributes(R.styleable.TextView); 9924 ColorStateList colors = a.getColorStateList(R.styleable.TextView_textColor); 9925 if (colors == null) { 9926 final int ap = a.getResourceId(R.styleable.TextView_textAppearance, 0); 9927 if (ap != 0) { 9928 final TypedArray appearance = context.obtainStyledAttributes( 9929 ap, R.styleable.TextAppearance); 9930 colors = appearance.getColorStateList(R.styleable.TextAppearance_textColor); 9931 appearance.recycle(); 9932 } 9933 } 9934 a.recycle(); 9935 9936 return colors; 9937 } 9938 9939 /** 9940 * Returns the default color from the TextView_textColor attribute from the 9941 * AttributeSet, if set, or the default color from the 9942 * TextAppearance_textColor from the TextView_textAppearance attribute, if 9943 * TextView_textColor was not set directly. 9944 * 9945 * @removed 9946 */ 9947 public static int getTextColor(Context context, TypedArray attrs, int def) { 9948 final ColorStateList colors = getTextColors(context, attrs); 9949 if (colors == null) { 9950 return def; 9951 } else { 9952 return colors.getDefaultColor(); 9953 } 9954 } 9955 9956 @Override 9957 public boolean onKeyShortcut(int keyCode, KeyEvent event) { 9958 if (event.hasModifiers(KeyEvent.META_CTRL_ON)) { 9959 // Handle Ctrl-only shortcuts. 9960 switch (keyCode) { 9961 case KeyEvent.KEYCODE_A: 9962 if (canSelectText()) { 9963 return onTextContextMenuItem(ID_SELECT_ALL); 9964 } 9965 break; 9966 case KeyEvent.KEYCODE_Z: 9967 if (canUndo()) { 9968 return onTextContextMenuItem(ID_UNDO); 9969 } 9970 break; 9971 case KeyEvent.KEYCODE_X: 9972 if (canCut()) { 9973 return onTextContextMenuItem(ID_CUT); 9974 } 9975 break; 9976 case KeyEvent.KEYCODE_C: 9977 if (canCopy()) { 9978 return onTextContextMenuItem(ID_COPY); 9979 } 9980 break; 9981 case KeyEvent.KEYCODE_V: 9982 if (canPaste()) { 9983 return onTextContextMenuItem(ID_PASTE); 9984 } 9985 break; 9986 } 9987 } else if (event.hasModifiers(KeyEvent.META_CTRL_ON | KeyEvent.META_SHIFT_ON)) { 9988 // Handle Ctrl-Shift shortcuts. 9989 switch (keyCode) { 9990 case KeyEvent.KEYCODE_Z: 9991 if (canRedo()) { 9992 return onTextContextMenuItem(ID_REDO); 9993 } 9994 break; 9995 case KeyEvent.KEYCODE_V: 9996 if (canPaste()) { 9997 return onTextContextMenuItem(ID_PASTE_AS_PLAIN_TEXT); 9998 } 9999 } 10000 } 10001 return super.onKeyShortcut(keyCode, event); 10002 } 10003 10004 /** 10005 * Unlike {@link #textCanBeSelected()}, this method is based on the <i>current</i> state of the 10006 * TextView. {@link #textCanBeSelected()} has to be true (this is one of the conditions to have 10007 * a selection controller (see {@link Editor#prepareCursorControllers()}), but this is not 10008 * sufficient. 10009 */ 10010 boolean canSelectText() { 10011 return mText.length() != 0 && mEditor != null && mEditor.hasSelectionController(); 10012 } 10013 10014 /** 10015 * Test based on the <i>intrinsic</i> charateristics of the TextView. 10016 * The text must be spannable and the movement method must allow for arbitary selection. 10017 * 10018 * See also {@link #canSelectText()}. 10019 */ 10020 boolean textCanBeSelected() { 10021 // prepareCursorController() relies on this method. 10022 // If you change this condition, make sure prepareCursorController is called anywhere 10023 // the value of this condition might be changed. 10024 if (mMovement == null || !mMovement.canSelectArbitrarily()) return false; 10025 return isTextEditable() 10026 || (isTextSelectable() && mText instanceof Spannable && isEnabled()); 10027 } 10028 10029 private Locale getTextServicesLocale(boolean allowNullLocale) { 10030 // Start fetching the text services locale asynchronously. 10031 updateTextServicesLocaleAsync(); 10032 // If !allowNullLocale and there is no cached text services locale, just return the default 10033 // locale. 10034 return (mCurrentSpellCheckerLocaleCache == null && !allowNullLocale) ? Locale.getDefault() 10035 : mCurrentSpellCheckerLocaleCache; 10036 } 10037 10038 /** 10039 * This is a temporary method. Future versions may support multi-locale text. 10040 * Caveat: This method may not return the latest text services locale, but this should be 10041 * acceptable and it's more important to make this method asynchronous. 10042 * 10043 * @return The locale that should be used for a word iterator 10044 * in this TextView, based on the current spell checker settings, 10045 * the current IME's locale, or the system default locale. 10046 * Please note that a word iterator in this TextView is different from another word iterator 10047 * used by SpellChecker.java of TextView. This method should be used for the former. 10048 * @hide 10049 */ 10050 // TODO: Support multi-locale 10051 // TODO: Update the text services locale immediately after the keyboard locale is switched 10052 // by catching intent of keyboard switch event 10053 public Locale getTextServicesLocale() { 10054 return getTextServicesLocale(false /* allowNullLocale */); 10055 } 10056 10057 /** 10058 * @return {@code true} if this TextView is specialized for showing and interacting with the 10059 * extracted text in a full-screen input method. 10060 * @hide 10061 */ 10062 public boolean isInExtractedMode() { 10063 return false; 10064 } 10065 10066 /** 10067 * @return {@code true} if this widget supports auto-sizing text and has been configured to 10068 * auto-size. 10069 */ 10070 private boolean isAutoSizeEnabled() { 10071 return supportsAutoSizeText() && mAutoSizeTextType != AUTO_SIZE_TEXT_TYPE_NONE; 10072 } 10073 10074 /** 10075 * @return {@code true} if this TextView supports auto-sizing text to fit within its container. 10076 * @hide 10077 */ 10078 protected boolean supportsAutoSizeText() { 10079 return true; 10080 } 10081 10082 /** 10083 * This is a temporary method. Future versions may support multi-locale text. 10084 * Caveat: This method may not return the latest spell checker locale, but this should be 10085 * acceptable and it's more important to make this method asynchronous. 10086 * 10087 * @return The locale that should be used for a spell checker in this TextView, 10088 * based on the current spell checker settings, the current IME's locale, or the system default 10089 * locale. 10090 * @hide 10091 */ 10092 public Locale getSpellCheckerLocale() { 10093 return getTextServicesLocale(true /* allowNullLocale */); 10094 } 10095 10096 private void updateTextServicesLocaleAsync() { 10097 // AsyncTask.execute() uses a serial executor which means we don't have 10098 // to lock around updateTextServicesLocaleLocked() to prevent it from 10099 // being executed n times in parallel. 10100 AsyncTask.execute(new Runnable() { 10101 @Override 10102 public void run() { 10103 updateTextServicesLocaleLocked(); 10104 } 10105 }); 10106 } 10107 10108 private void updateTextServicesLocaleLocked() { 10109 final TextServicesManager textServicesManager = (TextServicesManager) 10110 mContext.getSystemService(Context.TEXT_SERVICES_MANAGER_SERVICE); 10111 final SpellCheckerSubtype subtype = textServicesManager.getCurrentSpellCheckerSubtype(true); 10112 final Locale locale; 10113 if (subtype != null) { 10114 locale = subtype.getLocaleObject(); 10115 } else { 10116 locale = null; 10117 } 10118 mCurrentSpellCheckerLocaleCache = locale; 10119 } 10120 10121 void onLocaleChanged() { 10122 mEditor.onLocaleChanged(); 10123 } 10124 10125 /** 10126 * This method is used by the ArrowKeyMovementMethod to jump from one word to the other. 10127 * Made available to achieve a consistent behavior. 10128 * @hide 10129 */ 10130 public WordIterator getWordIterator() { 10131 if (mEditor != null) { 10132 return mEditor.getWordIterator(); 10133 } else { 10134 return null; 10135 } 10136 } 10137 10138 /** @hide */ 10139 @Override 10140 public void onPopulateAccessibilityEventInternal(AccessibilityEvent event) { 10141 super.onPopulateAccessibilityEventInternal(event); 10142 10143 final CharSequence text = getTextForAccessibility(); 10144 if (!TextUtils.isEmpty(text)) { 10145 event.getText().add(text); 10146 } 10147 } 10148 10149 @Override 10150 public CharSequence getAccessibilityClassName() { 10151 return TextView.class.getName(); 10152 } 10153 10154 @Override 10155 public void onProvideStructure(ViewStructure structure) { 10156 super.onProvideStructure(structure); 10157 onProvideAutoStructureForAssistOrAutofill(structure, false); 10158 } 10159 10160 @Override 10161 public void onProvideAutofillStructure(ViewStructure structure, int flags) { 10162 super.onProvideAutofillStructure(structure, flags); 10163 onProvideAutoStructureForAssistOrAutofill(structure, true); 10164 } 10165 10166 private void onProvideAutoStructureForAssistOrAutofill(ViewStructure structure, 10167 boolean forAutofill) { 10168 final boolean isPassword = hasPasswordTransformationMethod() 10169 || isPasswordInputType(getInputType()); 10170 if (forAutofill) { 10171 structure.setDataIsSensitive(!mTextFromResource); 10172 } 10173 10174 if (!isPassword || forAutofill) { 10175 if (mLayout == null) { 10176 assumeLayout(); 10177 } 10178 Layout layout = mLayout; 10179 final int lineCount = layout.getLineCount(); 10180 if (lineCount <= 1) { 10181 // Simple case: this is a single line. 10182 final CharSequence text = getText(); 10183 if (forAutofill) { 10184 structure.setText(text); 10185 } else { 10186 structure.setText(text, getSelectionStart(), getSelectionEnd()); 10187 } 10188 } else { 10189 // Complex case: multi-line, could be scrolled or within a scroll container 10190 // so some lines are not visible. 10191 final int[] tmpCords = new int[2]; 10192 getLocationInWindow(tmpCords); 10193 final int topWindowLocation = tmpCords[1]; 10194 View root = this; 10195 ViewParent viewParent = getParent(); 10196 while (viewParent instanceof View) { 10197 root = (View) viewParent; 10198 viewParent = root.getParent(); 10199 } 10200 final int windowHeight = root.getHeight(); 10201 final int topLine; 10202 final int bottomLine; 10203 if (topWindowLocation >= 0) { 10204 // The top of the view is fully within its window; start text at line 0. 10205 topLine = getLineAtCoordinateUnclamped(0); 10206 bottomLine = getLineAtCoordinateUnclamped(windowHeight - 1); 10207 } else { 10208 // The top of hte window has scrolled off the top of the window; figure out 10209 // the starting line for this. 10210 topLine = getLineAtCoordinateUnclamped(-topWindowLocation); 10211 bottomLine = getLineAtCoordinateUnclamped(windowHeight - 1 - topWindowLocation); 10212 } 10213 // We want to return some contextual lines above/below the lines that are 10214 // actually visible. 10215 int expandedTopLine = topLine - (bottomLine - topLine) / 2; 10216 if (expandedTopLine < 0) { 10217 expandedTopLine = 0; 10218 } 10219 int expandedBottomLine = bottomLine + (bottomLine - topLine) / 2; 10220 if (expandedBottomLine >= lineCount) { 10221 expandedBottomLine = lineCount - 1; 10222 } 10223 10224 // Convert lines into character offsets. 10225 int expandedTopChar = layout.getLineStart(expandedTopLine); 10226 int expandedBottomChar = layout.getLineEnd(expandedBottomLine); 10227 10228 // Take into account selection -- if there is a selection, we need to expand 10229 // the text we are returning to include that selection. 10230 final int selStart = getSelectionStart(); 10231 final int selEnd = getSelectionEnd(); 10232 if (selStart < selEnd) { 10233 if (selStart < expandedTopChar) { 10234 expandedTopChar = selStart; 10235 } 10236 if (selEnd > expandedBottomChar) { 10237 expandedBottomChar = selEnd; 10238 } 10239 } 10240 10241 // Get the text and trim it to the range we are reporting. 10242 CharSequence text = getText(); 10243 if (expandedTopChar > 0 || expandedBottomChar < text.length()) { 10244 text = text.subSequence(expandedTopChar, expandedBottomChar); 10245 } 10246 10247 if (forAutofill) { 10248 structure.setText(text); 10249 } else { 10250 structure.setText(text, selStart - expandedTopChar, selEnd - expandedTopChar); 10251 10252 final int[] lineOffsets = new int[bottomLine - topLine + 1]; 10253 final int[] lineBaselines = new int[bottomLine - topLine + 1]; 10254 final int baselineOffset = getBaselineOffset(); 10255 for (int i = topLine; i <= bottomLine; i++) { 10256 lineOffsets[i - topLine] = layout.getLineStart(i); 10257 lineBaselines[i - topLine] = layout.getLineBaseline(i) + baselineOffset; 10258 } 10259 structure.setTextLines(lineOffsets, lineBaselines); 10260 } 10261 } 10262 10263 if (!forAutofill) { 10264 // Extract style information that applies to the TextView as a whole. 10265 int style = 0; 10266 int typefaceStyle = getTypefaceStyle(); 10267 if ((typefaceStyle & Typeface.BOLD) != 0) { 10268 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 10269 } 10270 if ((typefaceStyle & Typeface.ITALIC) != 0) { 10271 style |= AssistStructure.ViewNode.TEXT_STYLE_ITALIC; 10272 } 10273 10274 // Global styles can also be set via TextView.setPaintFlags(). 10275 int paintFlags = mTextPaint.getFlags(); 10276 if ((paintFlags & Paint.FAKE_BOLD_TEXT_FLAG) != 0) { 10277 style |= AssistStructure.ViewNode.TEXT_STYLE_BOLD; 10278 } 10279 if ((paintFlags & Paint.UNDERLINE_TEXT_FLAG) != 0) { 10280 style |= AssistStructure.ViewNode.TEXT_STYLE_UNDERLINE; 10281 } 10282 if ((paintFlags & Paint.STRIKE_THRU_TEXT_FLAG) != 0) { 10283 style |= AssistStructure.ViewNode.TEXT_STYLE_STRIKE_THRU; 10284 } 10285 10286 // TextView does not have its own text background color. A background is either part 10287 // of the View (and can be any drawable) or a BackgroundColorSpan inside the text. 10288 structure.setTextStyle(getTextSize(), getCurrentTextColor(), 10289 AssistStructure.ViewNode.TEXT_COLOR_UNDEFINED /* bgColor */, style); 10290 } 10291 } 10292 structure.setHint(getHint()); 10293 structure.setInputType(getInputType()); 10294 } 10295 10296 boolean canRequestAutofill() { 10297 if (!isAutofillable()) { 10298 return false; 10299 } 10300 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 10301 if (afm != null) { 10302 return afm.isEnabled(); 10303 } 10304 return false; 10305 } 10306 10307 private void requestAutofill() { 10308 final AutofillManager afm = mContext.getSystemService(AutofillManager.class); 10309 if (afm != null) { 10310 afm.requestAutofill(this); 10311 } 10312 } 10313 10314 @Override 10315 public void autofill(AutofillValue value) { 10316 if (!value.isText() || !isTextEditable()) { 10317 Log.w(LOG_TAG, value + " could not be autofilled into " + this); 10318 return; 10319 } 10320 10321 setText(value.getTextValue(), mBufferType, true, 0); 10322 } 10323 10324 @Override 10325 public @AutofillType int getAutofillType() { 10326 return isTextEditable() ? AUTOFILL_TYPE_TEXT : AUTOFILL_TYPE_NONE; 10327 } 10328 10329 @Override 10330 @Nullable 10331 public AutofillValue getAutofillValue() { 10332 return isTextEditable() ? AutofillValue.forText(getText()) : null; 10333 } 10334 10335 /** @hide */ 10336 @Override 10337 public void onInitializeAccessibilityEventInternal(AccessibilityEvent event) { 10338 super.onInitializeAccessibilityEventInternal(event); 10339 10340 final boolean isPassword = hasPasswordTransformationMethod(); 10341 event.setPassword(isPassword); 10342 10343 if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_TEXT_SELECTION_CHANGED) { 10344 event.setFromIndex(Selection.getSelectionStart(mText)); 10345 event.setToIndex(Selection.getSelectionEnd(mText)); 10346 event.setItemCount(mText.length()); 10347 } 10348 } 10349 10350 /** @hide */ 10351 @Override 10352 public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) { 10353 super.onInitializeAccessibilityNodeInfoInternal(info); 10354 10355 final boolean isPassword = hasPasswordTransformationMethod(); 10356 info.setPassword(isPassword); 10357 info.setText(getTextForAccessibility()); 10358 info.setHintText(mHint); 10359 info.setShowingHintText(isShowingHint()); 10360 10361 if (mBufferType == BufferType.EDITABLE) { 10362 info.setEditable(true); 10363 if (isEnabled()) { 10364 info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_TEXT); 10365 } 10366 } 10367 10368 if (mEditor != null) { 10369 info.setInputType(mEditor.mInputType); 10370 10371 if (mEditor.mError != null) { 10372 info.setContentInvalid(true); 10373 info.setError(mEditor.mError); 10374 } 10375 } 10376 10377 if (!TextUtils.isEmpty(mText)) { 10378 info.addAction(AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY); 10379 info.addAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY); 10380 info.setMovementGranularities(AccessibilityNodeInfo.MOVEMENT_GRANULARITY_CHARACTER 10381 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD 10382 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE 10383 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PARAGRAPH 10384 | AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE); 10385 info.addAction(AccessibilityNodeInfo.ACTION_SET_SELECTION); 10386 info.setAvailableExtraData( 10387 Arrays.asList(EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)); 10388 } 10389 10390 if (isFocused()) { 10391 if (canCopy()) { 10392 info.addAction(AccessibilityNodeInfo.ACTION_COPY); 10393 } 10394 if (canPaste()) { 10395 info.addAction(AccessibilityNodeInfo.ACTION_PASTE); 10396 } 10397 if (canCut()) { 10398 info.addAction(AccessibilityNodeInfo.ACTION_CUT); 10399 } 10400 if (canShare()) { 10401 info.addAction(new AccessibilityNodeInfo.AccessibilityAction( 10402 ACCESSIBILITY_ACTION_SHARE, 10403 getResources().getString(com.android.internal.R.string.share))); 10404 } 10405 if (canProcessText()) { // also implies mEditor is not null. 10406 mEditor.mProcessTextIntentActionsHandler.onInitializeAccessibilityNodeInfo(info); 10407 } 10408 } 10409 10410 // Check for known input filter types. 10411 final int numFilters = mFilters.length; 10412 for (int i = 0; i < numFilters; i++) { 10413 final InputFilter filter = mFilters[i]; 10414 if (filter instanceof InputFilter.LengthFilter) { 10415 info.setMaxTextLength(((InputFilter.LengthFilter) filter).getMax()); 10416 } 10417 } 10418 10419 if (!isSingleLine()) { 10420 info.setMultiLine(true); 10421 } 10422 } 10423 10424 @Override 10425 public void addExtraDataToAccessibilityNodeInfo( 10426 AccessibilityNodeInfo info, String extraDataKey, Bundle arguments) { 10427 // The only extra data we support requires arguments. 10428 if (arguments == null) { 10429 return; 10430 } 10431 if (extraDataKey.equals(EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY)) { 10432 int positionInfoStartIndex = arguments.getInt( 10433 EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_START_INDEX, -1); 10434 int positionInfoLength = arguments.getInt( 10435 EXTRA_DATA_TEXT_CHARACTER_LOCATION_ARG_LENGTH, -1); 10436 if ((positionInfoLength <= 0) || (positionInfoStartIndex < 0) 10437 || (positionInfoStartIndex >= mText.length())) { 10438 Log.e(LOG_TAG, "Invalid arguments for accessibility character locations"); 10439 return; 10440 } 10441 RectF[] boundingRects = new RectF[positionInfoLength]; 10442 final CursorAnchorInfo.Builder builder = new CursorAnchorInfo.Builder(); 10443 populateCharacterBounds(builder, positionInfoStartIndex, 10444 positionInfoStartIndex + positionInfoLength, 10445 viewportToContentHorizontalOffset(), viewportToContentVerticalOffset()); 10446 CursorAnchorInfo cursorAnchorInfo = builder.setMatrix(null).build(); 10447 for (int i = 0; i < positionInfoLength; i++) { 10448 int flags = cursorAnchorInfo.getCharacterBoundsFlags(positionInfoStartIndex + i); 10449 if ((flags & FLAG_HAS_VISIBLE_REGION) == FLAG_HAS_VISIBLE_REGION) { 10450 RectF bounds = cursorAnchorInfo 10451 .getCharacterBounds(positionInfoStartIndex + i); 10452 if (bounds != null) { 10453 mapRectFromViewToScreenCoords(bounds, true); 10454 boundingRects[i] = bounds; 10455 } 10456 } 10457 } 10458 info.getExtras().putParcelableArray(extraDataKey, boundingRects); 10459 } 10460 } 10461 10462 /** 10463 * Populate requested character bounds in a {@link CursorAnchorInfo.Builder} 10464 * 10465 * @param builder The builder to populate 10466 * @param startIndex The starting character index to populate 10467 * @param endIndex The ending character index to populate 10468 * @param viewportToContentHorizontalOffset The horizontal offset from the viewport to the 10469 * content 10470 * @param viewportToContentVerticalOffset The vertical offset from the viewport to the content 10471 * @hide 10472 */ 10473 public void populateCharacterBounds(CursorAnchorInfo.Builder builder, 10474 int startIndex, int endIndex, float viewportToContentHorizontalOffset, 10475 float viewportToContentVerticalOffset) { 10476 final int minLine = mLayout.getLineForOffset(startIndex); 10477 final int maxLine = mLayout.getLineForOffset(endIndex - 1); 10478 for (int line = minLine; line <= maxLine; ++line) { 10479 final int lineStart = mLayout.getLineStart(line); 10480 final int lineEnd = mLayout.getLineEnd(line); 10481 final int offsetStart = Math.max(lineStart, startIndex); 10482 final int offsetEnd = Math.min(lineEnd, endIndex); 10483 final boolean ltrLine = 10484 mLayout.getParagraphDirection(line) == Layout.DIR_LEFT_TO_RIGHT; 10485 final float[] widths = new float[offsetEnd - offsetStart]; 10486 mLayout.getPaint().getTextWidths(mText, offsetStart, offsetEnd, widths); 10487 final float top = mLayout.getLineTop(line); 10488 final float bottom = mLayout.getLineBottom(line); 10489 for (int offset = offsetStart; offset < offsetEnd; ++offset) { 10490 final float charWidth = widths[offset - offsetStart]; 10491 final boolean isRtl = mLayout.isRtlCharAt(offset); 10492 final float primary = mLayout.getPrimaryHorizontal(offset); 10493 final float secondary = mLayout.getSecondaryHorizontal(offset); 10494 // TODO: This doesn't work perfectly for text with custom styles and 10495 // TAB chars. 10496 final float left; 10497 final float right; 10498 if (ltrLine) { 10499 if (isRtl) { 10500 left = secondary - charWidth; 10501 right = secondary; 10502 } else { 10503 left = primary; 10504 right = primary + charWidth; 10505 } 10506 } else { 10507 if (!isRtl) { 10508 left = secondary; 10509 right = secondary + charWidth; 10510 } else { 10511 left = primary - charWidth; 10512 right = primary; 10513 } 10514 } 10515 // TODO: Check top-right and bottom-left as well. 10516 final float localLeft = left + viewportToContentHorizontalOffset; 10517 final float localRight = right + viewportToContentHorizontalOffset; 10518 final float localTop = top + viewportToContentVerticalOffset; 10519 final float localBottom = bottom + viewportToContentVerticalOffset; 10520 final boolean isTopLeftVisible = isPositionVisible(localLeft, localTop); 10521 final boolean isBottomRightVisible = 10522 isPositionVisible(localRight, localBottom); 10523 int characterBoundsFlags = 0; 10524 if (isTopLeftVisible || isBottomRightVisible) { 10525 characterBoundsFlags |= FLAG_HAS_VISIBLE_REGION; 10526 } 10527 if (!isTopLeftVisible || !isBottomRightVisible) { 10528 characterBoundsFlags |= CursorAnchorInfo.FLAG_HAS_INVISIBLE_REGION; 10529 } 10530 if (isRtl) { 10531 characterBoundsFlags |= CursorAnchorInfo.FLAG_IS_RTL; 10532 } 10533 // Here offset is the index in Java chars. 10534 builder.addCharacterBounds(offset, localLeft, localTop, localRight, 10535 localBottom, characterBoundsFlags); 10536 } 10537 } 10538 } 10539 10540 /** 10541 * @hide 10542 */ 10543 public boolean isPositionVisible(final float positionX, final float positionY) { 10544 synchronized (TEMP_POSITION) { 10545 final float[] position = TEMP_POSITION; 10546 position[0] = positionX; 10547 position[1] = positionY; 10548 View view = this; 10549 10550 while (view != null) { 10551 if (view != this) { 10552 // Local scroll is already taken into account in positionX/Y 10553 position[0] -= view.getScrollX(); 10554 position[1] -= view.getScrollY(); 10555 } 10556 10557 if (position[0] < 0 || position[1] < 0 || position[0] > view.getWidth() 10558 || position[1] > view.getHeight()) { 10559 return false; 10560 } 10561 10562 if (!view.getMatrix().isIdentity()) { 10563 view.getMatrix().mapPoints(position); 10564 } 10565 10566 position[0] += view.getLeft(); 10567 position[1] += view.getTop(); 10568 10569 final ViewParent parent = view.getParent(); 10570 if (parent instanceof View) { 10571 view = (View) parent; 10572 } else { 10573 // We've reached the ViewRoot, stop iterating 10574 view = null; 10575 } 10576 } 10577 } 10578 10579 // We've been able to walk up the view hierarchy and the position was never clipped 10580 return true; 10581 } 10582 10583 /** 10584 * Performs an accessibility action after it has been offered to the 10585 * delegate. 10586 * 10587 * @hide 10588 */ 10589 @Override 10590 public boolean performAccessibilityActionInternal(int action, Bundle arguments) { 10591 if (mEditor != null 10592 && mEditor.mProcessTextIntentActionsHandler.performAccessibilityAction(action)) { 10593 return true; 10594 } 10595 switch (action) { 10596 case AccessibilityNodeInfo.ACTION_CLICK: { 10597 return performAccessibilityActionClick(arguments); 10598 } 10599 case AccessibilityNodeInfo.ACTION_COPY: { 10600 if (isFocused() && canCopy()) { 10601 if (onTextContextMenuItem(ID_COPY)) { 10602 return true; 10603 } 10604 } 10605 } return false; 10606 case AccessibilityNodeInfo.ACTION_PASTE: { 10607 if (isFocused() && canPaste()) { 10608 if (onTextContextMenuItem(ID_PASTE)) { 10609 return true; 10610 } 10611 } 10612 } return false; 10613 case AccessibilityNodeInfo.ACTION_CUT: { 10614 if (isFocused() && canCut()) { 10615 if (onTextContextMenuItem(ID_CUT)) { 10616 return true; 10617 } 10618 } 10619 } return false; 10620 case AccessibilityNodeInfo.ACTION_SET_SELECTION: { 10621 ensureIterableTextForAccessibilitySelectable(); 10622 CharSequence text = getIterableTextForAccessibility(); 10623 if (text == null) { 10624 return false; 10625 } 10626 final int start = (arguments != null) ? arguments.getInt( 10627 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_START_INT, -1) : -1; 10628 final int end = (arguments != null) ? arguments.getInt( 10629 AccessibilityNodeInfo.ACTION_ARGUMENT_SELECTION_END_INT, -1) : -1; 10630 if ((getSelectionStart() != start || getSelectionEnd() != end)) { 10631 // No arguments clears the selection. 10632 if (start == end && end == -1) { 10633 Selection.removeSelection((Spannable) text); 10634 return true; 10635 } 10636 if (start >= 0 && start <= end && end <= text.length()) { 10637 Selection.setSelection((Spannable) text, start, end); 10638 // Make sure selection mode is engaged. 10639 if (mEditor != null) { 10640 mEditor.startSelectionActionModeAsync(false); 10641 } 10642 return true; 10643 } 10644 } 10645 } return false; 10646 case AccessibilityNodeInfo.ACTION_NEXT_AT_MOVEMENT_GRANULARITY: 10647 case AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY: { 10648 ensureIterableTextForAccessibilitySelectable(); 10649 return super.performAccessibilityActionInternal(action, arguments); 10650 } 10651 case ACCESSIBILITY_ACTION_SHARE: { 10652 if (isFocused() && canShare()) { 10653 if (onTextContextMenuItem(ID_SHARE)) { 10654 return true; 10655 } 10656 } 10657 } return false; 10658 case AccessibilityNodeInfo.ACTION_SET_TEXT: { 10659 if (!isEnabled() || (mBufferType != BufferType.EDITABLE)) { 10660 return false; 10661 } 10662 CharSequence text = (arguments != null) ? arguments.getCharSequence( 10663 AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null; 10664 setText(text); 10665 if (mText != null) { 10666 int updatedTextLength = mText.length(); 10667 if (updatedTextLength > 0) { 10668 Selection.setSelection((Spannable) mText, updatedTextLength); 10669 } 10670 } 10671 } return true; 10672 default: { 10673 return super.performAccessibilityActionInternal(action, arguments); 10674 } 10675 } 10676 } 10677 10678 private boolean performAccessibilityActionClick(Bundle arguments) { 10679 boolean handled = false; 10680 10681 if (!isEnabled()) { 10682 return false; 10683 } 10684 10685 if (isClickable() || isLongClickable()) { 10686 // Simulate View.onTouchEvent for an ACTION_UP event 10687 if (isFocusable() && !isFocused()) { 10688 requestFocus(); 10689 } 10690 10691 performClick(); 10692 handled = true; 10693 } 10694 10695 // Show the IME, except when selecting in read-only text. 10696 if ((mMovement != null || onCheckIsTextEditor()) && hasSpannableText() && mLayout != null 10697 && (isTextEditable() || isTextSelectable()) && isFocused()) { 10698 final InputMethodManager imm = InputMethodManager.peekInstance(); 10699 viewClicked(imm); 10700 if (!isTextSelectable() && mEditor.mShowSoftInputOnFocus && imm != null) { 10701 handled |= imm.showSoftInput(this, 0); 10702 } 10703 } 10704 10705 return handled; 10706 } 10707 10708 private boolean hasSpannableText() { 10709 return mText != null && mText instanceof Spannable; 10710 } 10711 10712 /** @hide */ 10713 @Override 10714 public void sendAccessibilityEventInternal(int eventType) { 10715 if (eventType == AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED && mEditor != null) { 10716 mEditor.mProcessTextIntentActionsHandler.initializeAccessibilityActions(); 10717 } 10718 10719 // Do not send scroll events since first they are not interesting for 10720 // accessibility and second such events a generated too frequently. 10721 // For details see the implementation of bringTextIntoView(). 10722 if (eventType == AccessibilityEvent.TYPE_VIEW_SCROLLED) { 10723 return; 10724 } 10725 super.sendAccessibilityEventInternal(eventType); 10726 } 10727 10728 /** 10729 * Returns the text that should be exposed to accessibility services. 10730 * <p> 10731 * This approximates what is displayed visually. If the user has specified 10732 * that accessibility services should speak passwords, this method will 10733 * bypass any password transformation method and return unobscured text. 10734 * 10735 * @return the text that should be exposed to accessibility services, may 10736 * be {@code null} if no text is set 10737 */ 10738 @Nullable 10739 private CharSequence getTextForAccessibility() { 10740 // If the text is empty, we must be showing the hint text. 10741 if (TextUtils.isEmpty(mText)) { 10742 return mHint; 10743 } 10744 10745 // Otherwise, return whatever text is being displayed. 10746 return mTransformed; 10747 } 10748 10749 void sendAccessibilityEventTypeViewTextChanged(CharSequence beforeText, 10750 int fromIndex, int removedCount, int addedCount) { 10751 AccessibilityEvent event = 10752 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_VIEW_TEXT_CHANGED); 10753 event.setFromIndex(fromIndex); 10754 event.setRemovedCount(removedCount); 10755 event.setAddedCount(addedCount); 10756 event.setBeforeText(beforeText); 10757 sendAccessibilityEventUnchecked(event); 10758 } 10759 10760 /** 10761 * Returns whether this text view is a current input method target. The 10762 * default implementation just checks with {@link InputMethodManager}. 10763 * @return True if the TextView is a current input method target; false otherwise. 10764 */ 10765 public boolean isInputMethodTarget() { 10766 InputMethodManager imm = InputMethodManager.peekInstance(); 10767 return imm != null && imm.isActive(this); 10768 } 10769 10770 static final int ID_SELECT_ALL = android.R.id.selectAll; 10771 static final int ID_UNDO = android.R.id.undo; 10772 static final int ID_REDO = android.R.id.redo; 10773 static final int ID_CUT = android.R.id.cut; 10774 static final int ID_COPY = android.R.id.copy; 10775 static final int ID_PASTE = android.R.id.paste; 10776 static final int ID_SHARE = android.R.id.shareText; 10777 static final int ID_PASTE_AS_PLAIN_TEXT = android.R.id.pasteAsPlainText; 10778 static final int ID_REPLACE = android.R.id.replaceText; 10779 static final int ID_ASSIST = android.R.id.textAssist; 10780 static final int ID_AUTOFILL = android.R.id.autofill; 10781 10782 /** 10783 * Called when a context menu option for the text view is selected. Currently 10784 * this will be one of {@link android.R.id#selectAll}, {@link android.R.id#cut}, 10785 * {@link android.R.id#copy}, {@link android.R.id#paste} or {@link android.R.id#shareText}. 10786 * 10787 * @return true if the context menu item action was performed. 10788 */ 10789 public boolean onTextContextMenuItem(int id) { 10790 int min = 0; 10791 int max = mText.length(); 10792 10793 if (isFocused()) { 10794 final int selStart = getSelectionStart(); 10795 final int selEnd = getSelectionEnd(); 10796 10797 min = Math.max(0, Math.min(selStart, selEnd)); 10798 max = Math.max(0, Math.max(selStart, selEnd)); 10799 } 10800 10801 switch (id) { 10802 case ID_SELECT_ALL: 10803 final boolean hadSelection = hasSelection(); 10804 selectAllText(); 10805 if (mEditor != null && hadSelection) { 10806 mEditor.invalidateActionModeAsync(); 10807 } 10808 return true; 10809 10810 case ID_UNDO: 10811 if (mEditor != null) { 10812 mEditor.undo(); 10813 } 10814 return true; // Returns true even if nothing was undone. 10815 10816 case ID_REDO: 10817 if (mEditor != null) { 10818 mEditor.redo(); 10819 } 10820 return true; // Returns true even if nothing was undone. 10821 10822 case ID_PASTE: 10823 paste(min, max, true /* withFormatting */); 10824 return true; 10825 10826 case ID_PASTE_AS_PLAIN_TEXT: 10827 paste(min, max, false /* withFormatting */); 10828 return true; 10829 10830 case ID_CUT: 10831 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 10832 deleteText_internal(min, max); 10833 return true; 10834 10835 case ID_COPY: 10836 setPrimaryClip(ClipData.newPlainText(null, getTransformedText(min, max))); 10837 stopTextActionMode(); 10838 return true; 10839 10840 case ID_REPLACE: 10841 if (mEditor != null) { 10842 mEditor.replace(); 10843 } 10844 return true; 10845 10846 case ID_SHARE: 10847 shareSelectedText(); 10848 return true; 10849 10850 case ID_AUTOFILL: 10851 requestAutofill(); 10852 stopTextActionMode(); 10853 return true; 10854 } 10855 return false; 10856 } 10857 10858 CharSequence getTransformedText(int start, int end) { 10859 return removeSuggestionSpans(mTransformed.subSequence(start, end)); 10860 } 10861 10862 @Override 10863 public boolean performLongClick() { 10864 boolean handled = false; 10865 10866 if (mEditor != null) { 10867 mEditor.mIsBeingLongClicked = true; 10868 } 10869 10870 if (super.performLongClick()) { 10871 handled = true; 10872 } 10873 10874 if (mEditor != null) { 10875 handled |= mEditor.performLongClick(handled); 10876 mEditor.mIsBeingLongClicked = false; 10877 } 10878 10879 if (handled) { 10880 performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); 10881 if (mEditor != null) mEditor.mDiscardNextActionUp = true; 10882 } else { 10883 MetricsLogger.action( 10884 mContext, 10885 MetricsEvent.TEXT_LONGPRESS, 10886 TextViewMetrics.SUBTYPE_LONG_PRESS_OTHER); 10887 } 10888 10889 return handled; 10890 } 10891 10892 @Override 10893 protected void onScrollChanged(int horiz, int vert, int oldHoriz, int oldVert) { 10894 super.onScrollChanged(horiz, vert, oldHoriz, oldVert); 10895 if (mEditor != null) { 10896 mEditor.onScrollChanged(); 10897 } 10898 } 10899 10900 /** 10901 * Return whether or not suggestions are enabled on this TextView. The suggestions are generated 10902 * by the IME or by the spell checker as the user types. This is done by adding 10903 * {@link SuggestionSpan}s to the text. 10904 * 10905 * When suggestions are enabled (default), this list of suggestions will be displayed when the 10906 * user asks for them on these parts of the text. This value depends on the inputType of this 10907 * TextView. 10908 * 10909 * The class of the input type must be {@link InputType#TYPE_CLASS_TEXT}. 10910 * 10911 * In addition, the type variation must be one of 10912 * {@link InputType#TYPE_TEXT_VARIATION_NORMAL}, 10913 * {@link InputType#TYPE_TEXT_VARIATION_EMAIL_SUBJECT}, 10914 * {@link InputType#TYPE_TEXT_VARIATION_LONG_MESSAGE}, 10915 * {@link InputType#TYPE_TEXT_VARIATION_SHORT_MESSAGE} or 10916 * {@link InputType#TYPE_TEXT_VARIATION_WEB_EDIT_TEXT}. 10917 * 10918 * And finally, the {@link InputType#TYPE_TEXT_FLAG_NO_SUGGESTIONS} flag must <i>not</i> be set. 10919 * 10920 * @return true if the suggestions popup window is enabled, based on the inputType. 10921 */ 10922 public boolean isSuggestionsEnabled() { 10923 if (mEditor == null) return false; 10924 if ((mEditor.mInputType & InputType.TYPE_MASK_CLASS) != InputType.TYPE_CLASS_TEXT) { 10925 return false; 10926 } 10927 if ((mEditor.mInputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS) > 0) return false; 10928 10929 final int variation = mEditor.mInputType & EditorInfo.TYPE_MASK_VARIATION; 10930 return (variation == EditorInfo.TYPE_TEXT_VARIATION_NORMAL 10931 || variation == EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT 10932 || variation == EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE 10933 || variation == EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE 10934 || variation == EditorInfo.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT); 10935 } 10936 10937 /** 10938 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 10939 * selection is initiated in this View. 10940 * 10941 * <p>The standard implementation populates the menu with a subset of Select All, Cut, Copy, 10942 * Paste, Replace and Share actions, depending on what this View supports. 10943 * 10944 * <p>A custom implementation can add new entries in the default menu in its 10945 * {@link android.view.ActionMode.Callback#onPrepareActionMode(ActionMode, android.view.Menu)} 10946 * method. The default actions can also be removed from the menu using 10947 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 10948 * {@link android.R.id#cut}, {@link android.R.id#copy}, {@link android.R.id#paste}, 10949 * {@link android.R.id#replaceText} or {@link android.R.id#shareText} ids as parameters. 10950 * 10951 * <p>Returning false from 10952 * {@link android.view.ActionMode.Callback#onCreateActionMode(ActionMode, android.view.Menu)} 10953 * will prevent the action mode from being started. 10954 * 10955 * <p>Action click events should be handled by the custom implementation of 10956 * {@link android.view.ActionMode.Callback#onActionItemClicked(ActionMode, 10957 * android.view.MenuItem)}. 10958 * 10959 * <p>Note that text selection mode is not started when a TextView receives focus and the 10960 * {@link android.R.attr#selectAllOnFocus} flag has been set. The content is highlighted in 10961 * that case, to allow for quick replacement. 10962 */ 10963 public void setCustomSelectionActionModeCallback(ActionMode.Callback actionModeCallback) { 10964 createEditorIfNeeded(); 10965 mEditor.mCustomSelectionActionModeCallback = actionModeCallback; 10966 } 10967 10968 /** 10969 * Retrieves the value set in {@link #setCustomSelectionActionModeCallback}. Default is null. 10970 * 10971 * @return The current custom selection callback. 10972 */ 10973 public ActionMode.Callback getCustomSelectionActionModeCallback() { 10974 return mEditor == null ? null : mEditor.mCustomSelectionActionModeCallback; 10975 } 10976 10977 /** 10978 * If provided, this ActionMode.Callback will be used to create the ActionMode when text 10979 * insertion is initiated in this View. 10980 * The standard implementation populates the menu with a subset of Select All, 10981 * Paste and Replace actions, depending on what this View supports. 10982 * 10983 * <p>A custom implementation can add new entries in the default menu in its 10984 * {@link android.view.ActionMode.Callback#onPrepareActionMode(android.view.ActionMode, 10985 * android.view.Menu)} method. The default actions can also be removed from the menu using 10986 * {@link android.view.Menu#removeItem(int)} and passing {@link android.R.id#selectAll}, 10987 * {@link android.R.id#paste} or {@link android.R.id#replaceText} ids as parameters.</p> 10988 * 10989 * <p>Returning false from 10990 * {@link android.view.ActionMode.Callback#onCreateActionMode(android.view.ActionMode, 10991 * android.view.Menu)} will prevent the action mode from being started.</p> 10992 * 10993 * <p>Action click events should be handled by the custom implementation of 10994 * {@link android.view.ActionMode.Callback#onActionItemClicked(android.view.ActionMode, 10995 * android.view.MenuItem)}.</p> 10996 * 10997 * <p>Note that text insertion mode is not started when a TextView receives focus and the 10998 * {@link android.R.attr#selectAllOnFocus} flag has been set.</p> 10999 */ 11000 public void setCustomInsertionActionModeCallback(ActionMode.Callback actionModeCallback) { 11001 createEditorIfNeeded(); 11002 mEditor.mCustomInsertionActionModeCallback = actionModeCallback; 11003 } 11004 11005 /** 11006 * Retrieves the value set in {@link #setCustomInsertionActionModeCallback}. Default is null. 11007 * 11008 * @return The current custom insertion callback. 11009 */ 11010 public ActionMode.Callback getCustomInsertionActionModeCallback() { 11011 return mEditor == null ? null : mEditor.mCustomInsertionActionModeCallback; 11012 } 11013 11014 /** 11015 * Sets the {@link TextClassifier} for this TextView. 11016 */ 11017 public void setTextClassifier(@Nullable TextClassifier textClassifier) { 11018 mTextClassifier = textClassifier; 11019 } 11020 11021 /** 11022 * Returns the {@link TextClassifier} used by this TextView. 11023 * If no TextClassifier has been set, this TextView uses the default set by the 11024 * {@link TextClassificationManager}. 11025 */ 11026 @NonNull 11027 public TextClassifier getTextClassifier() { 11028 if (mTextClassifier == null) { 11029 TextClassificationManager tcm = 11030 mContext.getSystemService(TextClassificationManager.class); 11031 if (tcm != null) { 11032 mTextClassifier = tcm.getTextClassifier(); 11033 } else { 11034 mTextClassifier = TextClassifier.NO_OP; 11035 } 11036 } 11037 return mTextClassifier; 11038 } 11039 11040 /** 11041 * @hide 11042 */ 11043 protected void stopTextActionMode() { 11044 if (mEditor != null) { 11045 mEditor.stopTextActionMode(); 11046 } 11047 } 11048 11049 boolean canUndo() { 11050 return mEditor != null && mEditor.canUndo(); 11051 } 11052 11053 boolean canRedo() { 11054 return mEditor != null && mEditor.canRedo(); 11055 } 11056 11057 boolean canCut() { 11058 if (hasPasswordTransformationMethod()) { 11059 return false; 11060 } 11061 11062 if (mText.length() > 0 && hasSelection() && mText instanceof Editable && mEditor != null 11063 && mEditor.mKeyListener != null) { 11064 return true; 11065 } 11066 11067 return false; 11068 } 11069 11070 boolean canCopy() { 11071 if (hasPasswordTransformationMethod()) { 11072 return false; 11073 } 11074 11075 if (mText.length() > 0 && hasSelection() && mEditor != null) { 11076 return true; 11077 } 11078 11079 return false; 11080 } 11081 11082 boolean canShare() { 11083 if (!getContext().canStartActivityForResult() || !isDeviceProvisioned()) { 11084 return false; 11085 } 11086 return canCopy(); 11087 } 11088 11089 boolean isDeviceProvisioned() { 11090 if (mDeviceProvisionedState == DEVICE_PROVISIONED_UNKNOWN) { 11091 mDeviceProvisionedState = Settings.Global.getInt( 11092 mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0 11093 ? DEVICE_PROVISIONED_YES 11094 : DEVICE_PROVISIONED_NO; 11095 } 11096 return mDeviceProvisionedState == DEVICE_PROVISIONED_YES; 11097 } 11098 11099 boolean canPaste() { 11100 return (mText instanceof Editable 11101 && mEditor != null && mEditor.mKeyListener != null 11102 && getSelectionStart() >= 0 11103 && getSelectionEnd() >= 0 11104 && ((ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE)) 11105 .hasPrimaryClip()); 11106 } 11107 11108 boolean canPasteAsPlainText() { 11109 if (!canPaste()) { 11110 return false; 11111 } 11112 11113 final ClipData clipData = 11114 ((ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE)) 11115 .getPrimaryClip(); 11116 final ClipDescription description = clipData.getDescription(); 11117 final boolean isPlainType = description.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 11118 final CharSequence text = clipData.getItemAt(0).getText(); 11119 if (isPlainType && (text instanceof Spanned)) { 11120 Spanned spanned = (Spanned) text; 11121 if (TextUtils.hasStyleSpan(spanned)) { 11122 return true; 11123 } 11124 } 11125 return description.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 11126 } 11127 11128 boolean canProcessText() { 11129 if (getId() == View.NO_ID) { 11130 return false; 11131 } 11132 return canShare(); 11133 } 11134 11135 boolean canSelectAllText() { 11136 return canSelectText() && !hasPasswordTransformationMethod() 11137 && !(getSelectionStart() == 0 && getSelectionEnd() == mText.length()); 11138 } 11139 11140 boolean selectAllText() { 11141 final int length = mText.length(); 11142 Selection.setSelection((Spannable) mText, 0, length); 11143 return length > 0; 11144 } 11145 11146 void replaceSelectionWithText(CharSequence text) { 11147 ((Editable) mText).replace(getSelectionStart(), getSelectionEnd(), text); 11148 } 11149 11150 /** 11151 * Paste clipboard content between min and max positions. 11152 */ 11153 private void paste(int min, int max, boolean withFormatting) { 11154 ClipboardManager clipboard = 11155 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 11156 ClipData clip = clipboard.getPrimaryClip(); 11157 if (clip != null) { 11158 boolean didFirst = false; 11159 for (int i = 0; i < clip.getItemCount(); i++) { 11160 final CharSequence paste; 11161 if (withFormatting) { 11162 paste = clip.getItemAt(i).coerceToStyledText(getContext()); 11163 } else { 11164 // Get an item as text and remove all spans by toString(). 11165 final CharSequence text = clip.getItemAt(i).coerceToText(getContext()); 11166 paste = (text instanceof Spanned) ? text.toString() : text; 11167 } 11168 if (paste != null) { 11169 if (!didFirst) { 11170 Selection.setSelection((Spannable) mText, max); 11171 ((Editable) mText).replace(min, max, paste); 11172 didFirst = true; 11173 } else { 11174 ((Editable) mText).insert(getSelectionEnd(), "\n"); 11175 ((Editable) mText).insert(getSelectionEnd(), paste); 11176 } 11177 } 11178 } 11179 sLastCutCopyOrTextChangedTime = 0; 11180 } 11181 } 11182 11183 private void shareSelectedText() { 11184 String selectedText = getSelectedText(); 11185 if (selectedText != null && !selectedText.isEmpty()) { 11186 Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND); 11187 sharingIntent.setType("text/plain"); 11188 sharingIntent.removeExtra(android.content.Intent.EXTRA_TEXT); 11189 sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, selectedText); 11190 getContext().startActivity(Intent.createChooser(sharingIntent, null)); 11191 Selection.setSelection((Spannable) mText, getSelectionEnd()); 11192 } 11193 } 11194 11195 private void setPrimaryClip(ClipData clip) { 11196 ClipboardManager clipboard = 11197 (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE); 11198 clipboard.setPrimaryClip(clip); 11199 sLastCutCopyOrTextChangedTime = SystemClock.uptimeMillis(); 11200 } 11201 11202 /** 11203 * Get the character offset closest to the specified absolute position. A typical use case is to 11204 * pass the result of {@link MotionEvent#getX()} and {@link MotionEvent#getY()} to this method. 11205 * 11206 * @param x The horizontal absolute position of a point on screen 11207 * @param y The vertical absolute position of a point on screen 11208 * @return the character offset for the character whose position is closest to the specified 11209 * position. Returns -1 if there is no layout. 11210 */ 11211 public int getOffsetForPosition(float x, float y) { 11212 if (getLayout() == null) return -1; 11213 final int line = getLineAtCoordinate(y); 11214 final int offset = getOffsetAtCoordinate(line, x); 11215 return offset; 11216 } 11217 11218 float convertToLocalHorizontalCoordinate(float x) { 11219 x -= getTotalPaddingLeft(); 11220 // Clamp the position to inside of the view. 11221 x = Math.max(0.0f, x); 11222 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 11223 x += getScrollX(); 11224 return x; 11225 } 11226 11227 int getLineAtCoordinate(float y) { 11228 y -= getTotalPaddingTop(); 11229 // Clamp the position to inside of the view. 11230 y = Math.max(0.0f, y); 11231 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 11232 y += getScrollY(); 11233 return getLayout().getLineForVertical((int) y); 11234 } 11235 11236 int getLineAtCoordinateUnclamped(float y) { 11237 y -= getTotalPaddingTop(); 11238 y += getScrollY(); 11239 return getLayout().getLineForVertical((int) y); 11240 } 11241 11242 int getOffsetAtCoordinate(int line, float x) { 11243 x = convertToLocalHorizontalCoordinate(x); 11244 return getLayout().getOffsetForHorizontal(line, x); 11245 } 11246 11247 @Override 11248 public boolean onDragEvent(DragEvent event) { 11249 switch (event.getAction()) { 11250 case DragEvent.ACTION_DRAG_STARTED: 11251 return mEditor != null && mEditor.hasInsertionController(); 11252 11253 case DragEvent.ACTION_DRAG_ENTERED: 11254 TextView.this.requestFocus(); 11255 return true; 11256 11257 case DragEvent.ACTION_DRAG_LOCATION: 11258 if (mText instanceof Spannable) { 11259 final int offset = getOffsetForPosition(event.getX(), event.getY()); 11260 Selection.setSelection((Spannable) mText, offset); 11261 } 11262 return true; 11263 11264 case DragEvent.ACTION_DROP: 11265 if (mEditor != null) mEditor.onDrop(event); 11266 return true; 11267 11268 case DragEvent.ACTION_DRAG_ENDED: 11269 case DragEvent.ACTION_DRAG_EXITED: 11270 default: 11271 return true; 11272 } 11273 } 11274 11275 boolean isInBatchEditMode() { 11276 if (mEditor == null) return false; 11277 final Editor.InputMethodState ims = mEditor.mInputMethodState; 11278 if (ims != null) { 11279 return ims.mBatchEditNesting > 0; 11280 } 11281 return mEditor.mInBatchEditControllers; 11282 } 11283 11284 @Override 11285 public void onRtlPropertiesChanged(int layoutDirection) { 11286 super.onRtlPropertiesChanged(layoutDirection); 11287 11288 final TextDirectionHeuristic newTextDir = getTextDirectionHeuristic(); 11289 if (mTextDir != newTextDir) { 11290 mTextDir = newTextDir; 11291 if (mLayout != null) { 11292 checkForRelayout(); 11293 } 11294 } 11295 } 11296 11297 /** 11298 * @hide 11299 */ 11300 protected TextDirectionHeuristic getTextDirectionHeuristic() { 11301 if (hasPasswordTransformationMethod()) { 11302 // passwords fields should be LTR 11303 return TextDirectionHeuristics.LTR; 11304 } 11305 11306 if (mEditor != null 11307 && (mEditor.mInputType & EditorInfo.TYPE_MASK_CLASS) 11308 == EditorInfo.TYPE_CLASS_PHONE) { 11309 // Phone numbers must be in the direction of the locale's digits. Most locales have LTR 11310 // digits, but some locales, such as those written in the Adlam or N'Ko scripts, have 11311 // RTL digits. 11312 final DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(getTextLocale()); 11313 final String zero = symbols.getDigitStrings()[0]; 11314 // In case the zero digit is multi-codepoint, just use the first codepoint to determine 11315 // direction. 11316 final int firstCodepoint = zero.codePointAt(0); 11317 final byte digitDirection = Character.getDirectionality(firstCodepoint); 11318 if (digitDirection == Character.DIRECTIONALITY_RIGHT_TO_LEFT 11319 || digitDirection == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC) { 11320 return TextDirectionHeuristics.RTL; 11321 } else { 11322 return TextDirectionHeuristics.LTR; 11323 } 11324 } 11325 11326 // Always need to resolve layout direction first 11327 final boolean defaultIsRtl = (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 11328 11329 // Now, we can select the heuristic 11330 switch (getTextDirection()) { 11331 default: 11332 case TEXT_DIRECTION_FIRST_STRONG: 11333 return (defaultIsRtl ? TextDirectionHeuristics.FIRSTSTRONG_RTL : 11334 TextDirectionHeuristics.FIRSTSTRONG_LTR); 11335 case TEXT_DIRECTION_ANY_RTL: 11336 return TextDirectionHeuristics.ANYRTL_LTR; 11337 case TEXT_DIRECTION_LTR: 11338 return TextDirectionHeuristics.LTR; 11339 case TEXT_DIRECTION_RTL: 11340 return TextDirectionHeuristics.RTL; 11341 case TEXT_DIRECTION_LOCALE: 11342 return TextDirectionHeuristics.LOCALE; 11343 case TEXT_DIRECTION_FIRST_STRONG_LTR: 11344 return TextDirectionHeuristics.FIRSTSTRONG_LTR; 11345 case TEXT_DIRECTION_FIRST_STRONG_RTL: 11346 return TextDirectionHeuristics.FIRSTSTRONG_RTL; 11347 } 11348 } 11349 11350 /** 11351 * @hide 11352 */ 11353 @Override 11354 public void onResolveDrawables(int layoutDirection) { 11355 // No need to resolve twice 11356 if (mLastLayoutDirection == layoutDirection) { 11357 return; 11358 } 11359 mLastLayoutDirection = layoutDirection; 11360 11361 // Resolve drawables 11362 if (mDrawables != null) { 11363 if (mDrawables.resolveWithLayoutDirection(layoutDirection)) { 11364 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.LEFT]); 11365 prepareDrawableForDisplay(mDrawables.mShowing[Drawables.RIGHT]); 11366 applyCompoundDrawableTint(); 11367 } 11368 } 11369 } 11370 11371 /** 11372 * Prepares a drawable for display by propagating layout direction and 11373 * drawable state. 11374 * 11375 * @param dr the drawable to prepare 11376 */ 11377 private void prepareDrawableForDisplay(@Nullable Drawable dr) { 11378 if (dr == null) { 11379 return; 11380 } 11381 11382 dr.setLayoutDirection(getLayoutDirection()); 11383 11384 if (dr.isStateful()) { 11385 dr.setState(getDrawableState()); 11386 dr.jumpToCurrentState(); 11387 } 11388 } 11389 11390 /** 11391 * @hide 11392 */ 11393 protected void resetResolvedDrawables() { 11394 super.resetResolvedDrawables(); 11395 mLastLayoutDirection = -1; 11396 } 11397 11398 /** 11399 * @hide 11400 */ 11401 protected void viewClicked(InputMethodManager imm) { 11402 if (imm != null) { 11403 imm.viewClicked(this); 11404 } 11405 } 11406 11407 /** 11408 * Deletes the range of text [start, end[. 11409 * @hide 11410 */ 11411 protected void deleteText_internal(int start, int end) { 11412 ((Editable) mText).delete(start, end); 11413 } 11414 11415 /** 11416 * Replaces the range of text [start, end[ by replacement text 11417 * @hide 11418 */ 11419 protected void replaceText_internal(int start, int end, CharSequence text) { 11420 ((Editable) mText).replace(start, end, text); 11421 } 11422 11423 /** 11424 * Sets a span on the specified range of text 11425 * @hide 11426 */ 11427 protected void setSpan_internal(Object span, int start, int end, int flags) { 11428 ((Editable) mText).setSpan(span, start, end, flags); 11429 } 11430 11431 /** 11432 * Moves the cursor to the specified offset position in text 11433 * @hide 11434 */ 11435 protected void setCursorPosition_internal(int start, int end) { 11436 Selection.setSelection(((Editable) mText), start, end); 11437 } 11438 11439 /** 11440 * An Editor should be created as soon as any of the editable-specific fields (grouped 11441 * inside the Editor object) is assigned to a non-default value. 11442 * This method will create the Editor if needed. 11443 * 11444 * A standard TextView (as well as buttons, checkboxes...) should not qualify and hence will 11445 * have a null Editor, unlike an EditText. Inconsistent in-between states will have an 11446 * Editor for backward compatibility, as soon as one of these fields is assigned. 11447 * 11448 * Also note that for performance reasons, the mEditor is created when needed, but not 11449 * reset when no more edit-specific fields are needed. 11450 */ 11451 private void createEditorIfNeeded() { 11452 if (mEditor == null) { 11453 mEditor = new Editor(this); 11454 } 11455 } 11456 11457 /** 11458 * @hide 11459 */ 11460 @Override 11461 public CharSequence getIterableTextForAccessibility() { 11462 return mText; 11463 } 11464 11465 private void ensureIterableTextForAccessibilitySelectable() { 11466 if (!(mText instanceof Spannable)) { 11467 setText(mText, BufferType.SPANNABLE); 11468 } 11469 } 11470 11471 /** 11472 * @hide 11473 */ 11474 @Override 11475 public TextSegmentIterator getIteratorForGranularity(int granularity) { 11476 switch (granularity) { 11477 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_LINE: { 11478 Spannable text = (Spannable) getIterableTextForAccessibility(); 11479 if (!TextUtils.isEmpty(text) && getLayout() != null) { 11480 AccessibilityIterators.LineTextSegmentIterator iterator = 11481 AccessibilityIterators.LineTextSegmentIterator.getInstance(); 11482 iterator.initialize(text, getLayout()); 11483 return iterator; 11484 } 11485 } break; 11486 case AccessibilityNodeInfo.MOVEMENT_GRANULARITY_PAGE: { 11487 Spannable text = (Spannable) getIterableTextForAccessibility(); 11488 if (!TextUtils.isEmpty(text) && getLayout() != null) { 11489 AccessibilityIterators.PageTextSegmentIterator iterator = 11490 AccessibilityIterators.PageTextSegmentIterator.getInstance(); 11491 iterator.initialize(this); 11492 return iterator; 11493 } 11494 } break; 11495 } 11496 return super.getIteratorForGranularity(granularity); 11497 } 11498 11499 /** 11500 * @hide 11501 */ 11502 @Override 11503 public int getAccessibilitySelectionStart() { 11504 return getSelectionStart(); 11505 } 11506 11507 /** 11508 * @hide 11509 */ 11510 public boolean isAccessibilitySelectionExtendable() { 11511 return true; 11512 } 11513 11514 /** 11515 * @hide 11516 */ 11517 @Override 11518 public int getAccessibilitySelectionEnd() { 11519 return getSelectionEnd(); 11520 } 11521 11522 /** 11523 * @hide 11524 */ 11525 @Override 11526 public void setAccessibilitySelection(int start, int end) { 11527 if (getAccessibilitySelectionStart() == start 11528 && getAccessibilitySelectionEnd() == end) { 11529 return; 11530 } 11531 CharSequence text = getIterableTextForAccessibility(); 11532 if (Math.min(start, end) >= 0 && Math.max(start, end) <= text.length()) { 11533 Selection.setSelection((Spannable) text, start, end); 11534 } else { 11535 Selection.removeSelection((Spannable) text); 11536 } 11537 // Hide all selection controllers used for adjusting selection 11538 // since we are doing so explicitlty by other means and these 11539 // controllers interact with how selection behaves. 11540 if (mEditor != null) { 11541 mEditor.hideCursorAndSpanControllers(); 11542 mEditor.stopTextActionMode(); 11543 } 11544 } 11545 11546 /** @hide */ 11547 @Override 11548 protected void encodeProperties(@NonNull ViewHierarchyEncoder stream) { 11549 super.encodeProperties(stream); 11550 11551 TruncateAt ellipsize = getEllipsize(); 11552 stream.addProperty("text:ellipsize", ellipsize == null ? null : ellipsize.name()); 11553 stream.addProperty("text:textSize", getTextSize()); 11554 stream.addProperty("text:scaledTextSize", getScaledTextSize()); 11555 stream.addProperty("text:typefaceStyle", getTypefaceStyle()); 11556 stream.addProperty("text:selectionStart", getSelectionStart()); 11557 stream.addProperty("text:selectionEnd", getSelectionEnd()); 11558 stream.addProperty("text:curTextColor", mCurTextColor); 11559 stream.addProperty("text:text", mText == null ? null : mText.toString()); 11560 stream.addProperty("text:gravity", mGravity); 11561 } 11562 11563 /** 11564 * User interface state that is stored by TextView for implementing 11565 * {@link View#onSaveInstanceState}. 11566 */ 11567 public static class SavedState extends BaseSavedState { 11568 int selStart = -1; 11569 int selEnd = -1; 11570 CharSequence text; 11571 boolean frozenWithFocus; 11572 CharSequence error; 11573 ParcelableParcel editorState; // Optional state from Editor. 11574 11575 SavedState(Parcelable superState) { 11576 super(superState); 11577 } 11578 11579 @Override 11580 public void writeToParcel(Parcel out, int flags) { 11581 super.writeToParcel(out, flags); 11582 out.writeInt(selStart); 11583 out.writeInt(selEnd); 11584 out.writeInt(frozenWithFocus ? 1 : 0); 11585 TextUtils.writeToParcel(text, out, flags); 11586 11587 if (error == null) { 11588 out.writeInt(0); 11589 } else { 11590 out.writeInt(1); 11591 TextUtils.writeToParcel(error, out, flags); 11592 } 11593 11594 if (editorState == null) { 11595 out.writeInt(0); 11596 } else { 11597 out.writeInt(1); 11598 editorState.writeToParcel(out, flags); 11599 } 11600 } 11601 11602 @Override 11603 public String toString() { 11604 String str = "TextView.SavedState{" 11605 + Integer.toHexString(System.identityHashCode(this)) 11606 + " start=" + selStart + " end=" + selEnd; 11607 if (text != null) { 11608 str += " text=" + text; 11609 } 11610 return str + "}"; 11611 } 11612 11613 @SuppressWarnings("hiding") 11614 public static final Parcelable.Creator<SavedState> CREATOR = 11615 new Parcelable.Creator<SavedState>() { 11616 public SavedState createFromParcel(Parcel in) { 11617 return new SavedState(in); 11618 } 11619 11620 public SavedState[] newArray(int size) { 11621 return new SavedState[size]; 11622 } 11623 }; 11624 11625 private SavedState(Parcel in) { 11626 super(in); 11627 selStart = in.readInt(); 11628 selEnd = in.readInt(); 11629 frozenWithFocus = (in.readInt() != 0); 11630 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 11631 11632 if (in.readInt() != 0) { 11633 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 11634 } 11635 11636 if (in.readInt() != 0) { 11637 editorState = ParcelableParcel.CREATOR.createFromParcel(in); 11638 } 11639 } 11640 } 11641 11642 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 11643 private char[] mChars; 11644 private int mStart, mLength; 11645 11646 public CharWrapper(char[] chars, int start, int len) { 11647 mChars = chars; 11648 mStart = start; 11649 mLength = len; 11650 } 11651 11652 /* package */ void set(char[] chars, int start, int len) { 11653 mChars = chars; 11654 mStart = start; 11655 mLength = len; 11656 } 11657 11658 public int length() { 11659 return mLength; 11660 } 11661 11662 public char charAt(int off) { 11663 return mChars[off + mStart]; 11664 } 11665 11666 @Override 11667 public String toString() { 11668 return new String(mChars, mStart, mLength); 11669 } 11670 11671 public CharSequence subSequence(int start, int end) { 11672 if (start < 0 || end < 0 || start > mLength || end > mLength) { 11673 throw new IndexOutOfBoundsException(start + ", " + end); 11674 } 11675 11676 return new String(mChars, start + mStart, end - start); 11677 } 11678 11679 public void getChars(int start, int end, char[] buf, int off) { 11680 if (start < 0 || end < 0 || start > mLength || end > mLength) { 11681 throw new IndexOutOfBoundsException(start + ", " + end); 11682 } 11683 11684 System.arraycopy(mChars, start + mStart, buf, off, end - start); 11685 } 11686 11687 @Override 11688 public void drawText(BaseCanvas c, int start, int end, 11689 float x, float y, Paint p) { 11690 c.drawText(mChars, start + mStart, end - start, x, y, p); 11691 } 11692 11693 @Override 11694 public void drawTextRun(BaseCanvas c, int start, int end, 11695 int contextStart, int contextEnd, float x, float y, boolean isRtl, Paint p) { 11696 int count = end - start; 11697 int contextCount = contextEnd - contextStart; 11698 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 11699 contextCount, x, y, isRtl, p); 11700 } 11701 11702 public float measureText(int start, int end, Paint p) { 11703 return p.measureText(mChars, start + mStart, end - start); 11704 } 11705 11706 public int getTextWidths(int start, int end, float[] widths, Paint p) { 11707 return p.getTextWidths(mChars, start + mStart, end - start, widths); 11708 } 11709 11710 public float getTextRunAdvances(int start, int end, int contextStart, 11711 int contextEnd, boolean isRtl, float[] advances, int advancesIndex, 11712 Paint p) { 11713 int count = end - start; 11714 int contextCount = contextEnd - contextStart; 11715 return p.getTextRunAdvances(mChars, start + mStart, count, 11716 contextStart + mStart, contextCount, isRtl, advances, 11717 advancesIndex); 11718 } 11719 11720 public int getTextRunCursor(int contextStart, int contextEnd, int dir, 11721 int offset, int cursorOpt, Paint p) { 11722 int contextCount = contextEnd - contextStart; 11723 return p.getTextRunCursor(mChars, contextStart + mStart, 11724 contextCount, dir, offset + mStart, cursorOpt); 11725 } 11726 } 11727 11728 private static final class Marquee { 11729 // TODO: Add an option to configure this 11730 private static final float MARQUEE_DELTA_MAX = 0.07f; 11731 private static final int MARQUEE_DELAY = 1200; 11732 private static final int MARQUEE_DP_PER_SECOND = 30; 11733 11734 private static final byte MARQUEE_STOPPED = 0x0; 11735 private static final byte MARQUEE_STARTING = 0x1; 11736 private static final byte MARQUEE_RUNNING = 0x2; 11737 11738 private final WeakReference<TextView> mView; 11739 private final Choreographer mChoreographer; 11740 11741 private byte mStatus = MARQUEE_STOPPED; 11742 private final float mPixelsPerSecond; 11743 private float mMaxScroll; 11744 private float mMaxFadeScroll; 11745 private float mGhostStart; 11746 private float mGhostOffset; 11747 private float mFadeStop; 11748 private int mRepeatLimit; 11749 11750 private float mScroll; 11751 private long mLastAnimationMs; 11752 11753 Marquee(TextView v) { 11754 final float density = v.getContext().getResources().getDisplayMetrics().density; 11755 mPixelsPerSecond = MARQUEE_DP_PER_SECOND * density; 11756 mView = new WeakReference<TextView>(v); 11757 mChoreographer = Choreographer.getInstance(); 11758 } 11759 11760 private Choreographer.FrameCallback mTickCallback = new Choreographer.FrameCallback() { 11761 @Override 11762 public void doFrame(long frameTimeNanos) { 11763 tick(); 11764 } 11765 }; 11766 11767 private Choreographer.FrameCallback mStartCallback = new Choreographer.FrameCallback() { 11768 @Override 11769 public void doFrame(long frameTimeNanos) { 11770 mStatus = MARQUEE_RUNNING; 11771 mLastAnimationMs = mChoreographer.getFrameTime(); 11772 tick(); 11773 } 11774 }; 11775 11776 private Choreographer.FrameCallback mRestartCallback = new Choreographer.FrameCallback() { 11777 @Override 11778 public void doFrame(long frameTimeNanos) { 11779 if (mStatus == MARQUEE_RUNNING) { 11780 if (mRepeatLimit >= 0) { 11781 mRepeatLimit--; 11782 } 11783 start(mRepeatLimit); 11784 } 11785 } 11786 }; 11787 11788 void tick() { 11789 if (mStatus != MARQUEE_RUNNING) { 11790 return; 11791 } 11792 11793 mChoreographer.removeFrameCallback(mTickCallback); 11794 11795 final TextView textView = mView.get(); 11796 if (textView != null && (textView.isFocused() || textView.isSelected())) { 11797 long currentMs = mChoreographer.getFrameTime(); 11798 long deltaMs = currentMs - mLastAnimationMs; 11799 mLastAnimationMs = currentMs; 11800 float deltaPx = deltaMs / 1000f * mPixelsPerSecond; 11801 mScroll += deltaPx; 11802 if (mScroll > mMaxScroll) { 11803 mScroll = mMaxScroll; 11804 mChoreographer.postFrameCallbackDelayed(mRestartCallback, MARQUEE_DELAY); 11805 } else { 11806 mChoreographer.postFrameCallback(mTickCallback); 11807 } 11808 textView.invalidate(); 11809 } 11810 } 11811 11812 void stop() { 11813 mStatus = MARQUEE_STOPPED; 11814 mChoreographer.removeFrameCallback(mStartCallback); 11815 mChoreographer.removeFrameCallback(mRestartCallback); 11816 mChoreographer.removeFrameCallback(mTickCallback); 11817 resetScroll(); 11818 } 11819 11820 private void resetScroll() { 11821 mScroll = 0.0f; 11822 final TextView textView = mView.get(); 11823 if (textView != null) textView.invalidate(); 11824 } 11825 11826 void start(int repeatLimit) { 11827 if (repeatLimit == 0) { 11828 stop(); 11829 return; 11830 } 11831 mRepeatLimit = repeatLimit; 11832 final TextView textView = mView.get(); 11833 if (textView != null && textView.mLayout != null) { 11834 mStatus = MARQUEE_STARTING; 11835 mScroll = 0.0f; 11836 final int textWidth = textView.getWidth() - textView.getCompoundPaddingLeft() 11837 - textView.getCompoundPaddingRight(); 11838 final float lineWidth = textView.mLayout.getLineWidth(0); 11839 final float gap = textWidth / 3.0f; 11840 mGhostStart = lineWidth - textWidth + gap; 11841 mMaxScroll = mGhostStart + textWidth; 11842 mGhostOffset = lineWidth + gap; 11843 mFadeStop = lineWidth + textWidth / 6.0f; 11844 mMaxFadeScroll = mGhostStart + lineWidth + lineWidth; 11845 11846 textView.invalidate(); 11847 mChoreographer.postFrameCallback(mStartCallback); 11848 } 11849 } 11850 11851 float getGhostOffset() { 11852 return mGhostOffset; 11853 } 11854 11855 float getScroll() { 11856 return mScroll; 11857 } 11858 11859 float getMaxFadeScroll() { 11860 return mMaxFadeScroll; 11861 } 11862 11863 boolean shouldDrawLeftFade() { 11864 return mScroll <= mFadeStop; 11865 } 11866 11867 boolean shouldDrawGhost() { 11868 return mStatus == MARQUEE_RUNNING && mScroll > mGhostStart; 11869 } 11870 11871 boolean isRunning() { 11872 return mStatus == MARQUEE_RUNNING; 11873 } 11874 11875 boolean isStopped() { 11876 return mStatus == MARQUEE_STOPPED; 11877 } 11878 } 11879 11880 private class ChangeWatcher implements TextWatcher, SpanWatcher { 11881 11882 private CharSequence mBeforeText; 11883 11884 public void beforeTextChanged(CharSequence buffer, int start, 11885 int before, int after) { 11886 if (DEBUG_EXTRACT) { 11887 Log.v(LOG_TAG, "beforeTextChanged start=" + start 11888 + " before=" + before + " after=" + after + ": " + buffer); 11889 } 11890 11891 if (AccessibilityManager.getInstance(mContext).isEnabled() 11892 && !isPasswordInputType(getInputType()) && !hasPasswordTransformationMethod()) { 11893 mBeforeText = buffer.toString(); 11894 } 11895 11896 TextView.this.sendBeforeTextChanged(buffer, start, before, after); 11897 } 11898 11899 public void onTextChanged(CharSequence buffer, int start, int before, int after) { 11900 if (DEBUG_EXTRACT) { 11901 Log.v(LOG_TAG, "onTextChanged start=" + start 11902 + " before=" + before + " after=" + after + ": " + buffer); 11903 } 11904 TextView.this.handleTextChanged(buffer, start, before, after); 11905 11906 if (AccessibilityManager.getInstance(mContext).isEnabled() 11907 && (isFocused() || isSelected() && isShown())) { 11908 sendAccessibilityEventTypeViewTextChanged(mBeforeText, start, before, after); 11909 mBeforeText = null; 11910 } 11911 } 11912 11913 public void afterTextChanged(Editable buffer) { 11914 if (DEBUG_EXTRACT) { 11915 Log.v(LOG_TAG, "afterTextChanged: " + buffer); 11916 } 11917 TextView.this.sendAfterTextChanged(buffer); 11918 11919 if (MetaKeyKeyListener.getMetaState(buffer, MetaKeyKeyListener.META_SELECTING) != 0) { 11920 MetaKeyKeyListener.stopSelecting(TextView.this, buffer); 11921 } 11922 } 11923 11924 public void onSpanChanged(Spannable buf, Object what, int s, int e, int st, int en) { 11925 if (DEBUG_EXTRACT) { 11926 Log.v(LOG_TAG, "onSpanChanged s=" + s + " e=" + e 11927 + " st=" + st + " en=" + en + " what=" + what + ": " + buf); 11928 } 11929 TextView.this.spanChange(buf, what, s, st, e, en); 11930 } 11931 11932 public void onSpanAdded(Spannable buf, Object what, int s, int e) { 11933 if (DEBUG_EXTRACT) { 11934 Log.v(LOG_TAG, "onSpanAdded s=" + s + " e=" + e + " what=" + what + ": " + buf); 11935 } 11936 TextView.this.spanChange(buf, what, -1, s, -1, e); 11937 } 11938 11939 public void onSpanRemoved(Spannable buf, Object what, int s, int e) { 11940 if (DEBUG_EXTRACT) { 11941 Log.v(LOG_TAG, "onSpanRemoved s=" + s + " e=" + e + " what=" + what + ": " + buf); 11942 } 11943 TextView.this.spanChange(buf, what, s, -1, e, -1); 11944 } 11945 } 11946 } 11947
