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 android.R; 20 import android.content.ClipData; 21 import android.content.ClipData.Item; 22 import android.content.ClipboardManager; 23 import android.content.Context; 24 import android.content.Intent; 25 import android.content.pm.PackageManager; 26 import android.content.res.ColorStateList; 27 import android.content.res.CompatibilityInfo; 28 import android.content.res.Resources; 29 import android.content.res.TypedArray; 30 import android.content.res.XmlResourceParser; 31 import android.graphics.Canvas; 32 import android.graphics.Color; 33 import android.graphics.Paint; 34 import android.graphics.Path; 35 import android.graphics.Rect; 36 import android.graphics.RectF; 37 import android.graphics.Typeface; 38 import android.graphics.drawable.Drawable; 39 import android.inputmethodservice.ExtractEditText; 40 import android.os.Bundle; 41 import android.os.Handler; 42 import android.os.Message; 43 import android.os.Parcel; 44 import android.os.Parcelable; 45 import android.os.SystemClock; 46 import android.provider.Settings; 47 import android.text.BoringLayout; 48 import android.text.DynamicLayout; 49 import android.text.Editable; 50 import android.text.GetChars; 51 import android.text.GraphicsOperations; 52 import android.text.InputFilter; 53 import android.text.InputType; 54 import android.text.Layout; 55 import android.text.ParcelableSpan; 56 import android.text.Selection; 57 import android.text.SpanWatcher; 58 import android.text.Spannable; 59 import android.text.SpannableString; 60 import android.text.SpannableStringBuilder; 61 import android.text.Spanned; 62 import android.text.SpannedString; 63 import android.text.StaticLayout; 64 import android.text.TextDirectionHeuristic; 65 import android.text.TextDirectionHeuristics; 66 import android.text.TextPaint; 67 import android.text.TextUtils; 68 import android.text.TextUtils.TruncateAt; 69 import android.text.TextWatcher; 70 import android.text.method.AllCapsTransformationMethod; 71 import android.text.method.ArrowKeyMovementMethod; 72 import android.text.method.DateKeyListener; 73 import android.text.method.DateTimeKeyListener; 74 import android.text.method.DialerKeyListener; 75 import android.text.method.DigitsKeyListener; 76 import android.text.method.KeyListener; 77 import android.text.method.LinkMovementMethod; 78 import android.text.method.MetaKeyKeyListener; 79 import android.text.method.MovementMethod; 80 import android.text.method.PasswordTransformationMethod; 81 import android.text.method.SingleLineTransformationMethod; 82 import android.text.method.TextKeyListener; 83 import android.text.method.TimeKeyListener; 84 import android.text.method.TransformationMethod; 85 import android.text.method.TransformationMethod2; 86 import android.text.method.WordIterator; 87 import android.text.style.ClickableSpan; 88 import android.text.style.EasyEditSpan; 89 import android.text.style.ParagraphStyle; 90 import android.text.style.SpellCheckSpan; 91 import android.text.style.SuggestionRangeSpan; 92 import android.text.style.SuggestionSpan; 93 import android.text.style.TextAppearanceSpan; 94 import android.text.style.URLSpan; 95 import android.text.style.UpdateAppearance; 96 import android.text.util.Linkify; 97 import android.util.AttributeSet; 98 import android.util.DisplayMetrics; 99 import android.util.FloatMath; 100 import android.util.Log; 101 import android.util.TypedValue; 102 import android.view.ActionMode; 103 import android.view.ActionMode.Callback; 104 import android.view.DragEvent; 105 import android.view.Gravity; 106 import android.view.HapticFeedbackConstants; 107 import android.view.KeyCharacterMap; 108 import android.view.KeyEvent; 109 import android.view.LayoutInflater; 110 import android.view.Menu; 111 import android.view.MenuItem; 112 import android.view.MotionEvent; 113 import android.view.View; 114 import android.view.ViewConfiguration; 115 import android.view.ViewDebug; 116 import android.view.ViewGroup; 117 import android.view.ViewGroup.LayoutParams; 118 import android.view.ViewParent; 119 import android.view.ViewRootImpl; 120 import android.view.ViewTreeObserver; 121 import android.view.WindowManager; 122 import android.view.accessibility.AccessibilityEvent; 123 import android.view.accessibility.AccessibilityManager; 124 import android.view.accessibility.AccessibilityNodeInfo; 125 import android.view.animation.AnimationUtils; 126 import android.view.inputmethod.BaseInputConnection; 127 import android.view.inputmethod.CompletionInfo; 128 import android.view.inputmethod.CorrectionInfo; 129 import android.view.inputmethod.EditorInfo; 130 import android.view.inputmethod.ExtractedText; 131 import android.view.inputmethod.ExtractedTextRequest; 132 import android.view.inputmethod.InputConnection; 133 import android.view.inputmethod.InputMethodManager; 134 import android.view.textservice.SpellCheckerSubtype; 135 import android.view.textservice.TextServicesManager; 136 import android.widget.AdapterView.OnItemClickListener; 137 import android.widget.RemoteViews.RemoteView; 138 139 import com.android.internal.util.FastMath; 140 import com.android.internal.widget.EditableInputConnection; 141 142 import org.xmlpull.v1.XmlPullParserException; 143 144 import java.io.IOException; 145 import java.lang.ref.WeakReference; 146 import java.text.BreakIterator; 147 import java.util.ArrayList; 148 import java.util.Arrays; 149 import java.util.Comparator; 150 import java.util.HashMap; 151 import java.util.Locale; 152 153 /** 154 * Displays text to the user and optionally allows them to edit it. A TextView 155 * is a complete text editor, however the basic class is configured to not 156 * allow editing; see {@link EditText} for a subclass that configures the text 157 * view for editing. 158 * 159 * <p> 160 * <b>XML attributes</b> 161 * <p> 162 * See {@link android.R.styleable#TextView TextView Attributes}, 163 * {@link android.R.styleable#View View Attributes} 164 * 165 * @attr ref android.R.styleable#TextView_text 166 * @attr ref android.R.styleable#TextView_bufferType 167 * @attr ref android.R.styleable#TextView_hint 168 * @attr ref android.R.styleable#TextView_textColor 169 * @attr ref android.R.styleable#TextView_textColorHighlight 170 * @attr ref android.R.styleable#TextView_textColorHint 171 * @attr ref android.R.styleable#TextView_textAppearance 172 * @attr ref android.R.styleable#TextView_textColorLink 173 * @attr ref android.R.styleable#TextView_textSize 174 * @attr ref android.R.styleable#TextView_textScaleX 175 * @attr ref android.R.styleable#TextView_typeface 176 * @attr ref android.R.styleable#TextView_textStyle 177 * @attr ref android.R.styleable#TextView_cursorVisible 178 * @attr ref android.R.styleable#TextView_maxLines 179 * @attr ref android.R.styleable#TextView_maxHeight 180 * @attr ref android.R.styleable#TextView_lines 181 * @attr ref android.R.styleable#TextView_height 182 * @attr ref android.R.styleable#TextView_minLines 183 * @attr ref android.R.styleable#TextView_minHeight 184 * @attr ref android.R.styleable#TextView_maxEms 185 * @attr ref android.R.styleable#TextView_maxWidth 186 * @attr ref android.R.styleable#TextView_ems 187 * @attr ref android.R.styleable#TextView_width 188 * @attr ref android.R.styleable#TextView_minEms 189 * @attr ref android.R.styleable#TextView_minWidth 190 * @attr ref android.R.styleable#TextView_gravity 191 * @attr ref android.R.styleable#TextView_scrollHorizontally 192 * @attr ref android.R.styleable#TextView_password 193 * @attr ref android.R.styleable#TextView_singleLine 194 * @attr ref android.R.styleable#TextView_selectAllOnFocus 195 * @attr ref android.R.styleable#TextView_includeFontPadding 196 * @attr ref android.R.styleable#TextView_maxLength 197 * @attr ref android.R.styleable#TextView_shadowColor 198 * @attr ref android.R.styleable#TextView_shadowDx 199 * @attr ref android.R.styleable#TextView_shadowDy 200 * @attr ref android.R.styleable#TextView_shadowRadius 201 * @attr ref android.R.styleable#TextView_autoLink 202 * @attr ref android.R.styleable#TextView_linksClickable 203 * @attr ref android.R.styleable#TextView_numeric 204 * @attr ref android.R.styleable#TextView_digits 205 * @attr ref android.R.styleable#TextView_phoneNumber 206 * @attr ref android.R.styleable#TextView_inputMethod 207 * @attr ref android.R.styleable#TextView_capitalize 208 * @attr ref android.R.styleable#TextView_autoText 209 * @attr ref android.R.styleable#TextView_editable 210 * @attr ref android.R.styleable#TextView_freezesText 211 * @attr ref android.R.styleable#TextView_ellipsize 212 * @attr ref android.R.styleable#TextView_drawableTop 213 * @attr ref android.R.styleable#TextView_drawableBottom 214 * @attr ref android.R.styleable#TextView_drawableRight 215 * @attr ref android.R.styleable#TextView_drawableLeft 216 * @attr ref android.R.styleable#TextView_drawablePadding 217 * @attr ref android.R.styleable#TextView_lineSpacingExtra 218 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 219 * @attr ref android.R.styleable#TextView_marqueeRepeatLimit 220 * @attr ref android.R.styleable#TextView_inputType 221 * @attr ref android.R.styleable#TextView_imeOptions 222 * @attr ref android.R.styleable#TextView_privateImeOptions 223 * @attr ref android.R.styleable#TextView_imeActionLabel 224 * @attr ref android.R.styleable#TextView_imeActionId 225 * @attr ref android.R.styleable#TextView_editorExtras 226 */ 227 @RemoteView 228 public class TextView extends View implements ViewTreeObserver.OnPreDrawListener { 229 static final String LOG_TAG = "TextView"; 230 static final boolean DEBUG_EXTRACT = false; 231 232 private static final int PRIORITY = 100; 233 private int mCurrentAlpha = 255; 234 235 final int[] mTempCoords = new int[2]; 236 Rect mTempRect; 237 238 private ColorStateList mTextColor; 239 private int mCurTextColor; 240 private ColorStateList mHintTextColor; 241 private ColorStateList mLinkTextColor; 242 private int mCurHintTextColor; 243 private boolean mFreezesText; 244 private boolean mFrozenWithFocus; 245 private boolean mTemporaryDetach; 246 private boolean mDispatchTemporaryDetach; 247 248 private boolean mDiscardNextActionUp = false; 249 private boolean mIgnoreActionUpEvent = false; 250 251 private Editable.Factory mEditableFactory = Editable.Factory.getInstance(); 252 private Spannable.Factory mSpannableFactory = Spannable.Factory.getInstance(); 253 254 private float mShadowRadius, mShadowDx, mShadowDy; 255 256 private static final int PREDRAW_NOT_REGISTERED = 0; 257 private static final int PREDRAW_PENDING = 1; 258 private static final int PREDRAW_DONE = 2; 259 private int mPreDrawState = PREDRAW_NOT_REGISTERED; 260 261 private TextUtils.TruncateAt mEllipsize = null; 262 263 // Enum for the "typeface" XML parameter. 264 // TODO: How can we get this from the XML instead of hardcoding it here? 265 private static final int SANS = 1; 266 private static final int SERIF = 2; 267 private static final int MONOSPACE = 3; 268 269 // Bitfield for the "numeric" XML parameter. 270 // TODO: How can we get this from the XML instead of hardcoding it here? 271 private static final int SIGNED = 2; 272 private static final int DECIMAL = 4; 273 274 static class Drawables { 275 final Rect mCompoundRect = new Rect(); 276 Drawable mDrawableTop, mDrawableBottom, mDrawableLeft, mDrawableRight, 277 mDrawableStart, mDrawableEnd; 278 int mDrawableSizeTop, mDrawableSizeBottom, mDrawableSizeLeft, mDrawableSizeRight, 279 mDrawableSizeStart, mDrawableSizeEnd; 280 int mDrawableWidthTop, mDrawableWidthBottom, mDrawableHeightLeft, mDrawableHeightRight, 281 mDrawableHeightStart, mDrawableHeightEnd; 282 int mDrawablePadding; 283 } 284 private Drawables mDrawables; 285 286 private CharSequence mError; 287 private boolean mErrorWasChanged; 288 private ErrorPopup mPopup; 289 /** 290 * This flag is set if the TextView tries to display an error before it 291 * is attached to the window (so its position is still unknown). 292 * It causes the error to be shown later, when onAttachedToWindow() 293 * is called. 294 */ 295 private boolean mShowErrorAfterAttach; 296 297 private CharWrapper mCharWrapper = null; 298 299 private boolean mSelectionMoved = false; 300 private boolean mTouchFocusSelected = false; 301 302 private Marquee mMarquee; 303 private boolean mRestartMarquee; 304 305 private int mMarqueeRepeatLimit = 3; 306 307 static class InputContentType { 308 int imeOptions = EditorInfo.IME_NULL; 309 String privateImeOptions; 310 CharSequence imeActionLabel; 311 int imeActionId; 312 Bundle extras; 313 OnEditorActionListener onEditorActionListener; 314 boolean enterDown; 315 } 316 InputContentType mInputContentType; 317 318 static class InputMethodState { 319 Rect mCursorRectInWindow = new Rect(); 320 RectF mTmpRectF = new RectF(); 321 float[] mTmpOffset = new float[2]; 322 ExtractedTextRequest mExtracting; 323 final ExtractedText mTmpExtracted = new ExtractedText(); 324 int mBatchEditNesting; 325 boolean mCursorChanged; 326 boolean mSelectionModeChanged; 327 boolean mContentChanged; 328 int mChangedStart, mChangedEnd, mChangedDelta; 329 } 330 InputMethodState mInputMethodState; 331 332 private int mTextSelectHandleLeftRes; 333 private int mTextSelectHandleRightRes; 334 private int mTextSelectHandleRes; 335 336 private int mTextEditSuggestionItemLayout; 337 private SuggestionsPopupWindow mSuggestionsPopupWindow; 338 private SuggestionRangeSpan mSuggestionRangeSpan; 339 340 private int mCursorDrawableRes; 341 private final Drawable[] mCursorDrawable = new Drawable[2]; 342 private int mCursorCount; // Actual current number of used mCursorDrawable: 0, 1 or 2 (split) 343 344 private Drawable mSelectHandleLeft; 345 private Drawable mSelectHandleRight; 346 private Drawable mSelectHandleCenter; 347 348 // Global listener that detects changes in the global position of the TextView 349 private PositionListener mPositionListener; 350 351 private float mLastDownPositionX, mLastDownPositionY; 352 private Callback mCustomSelectionActionModeCallback; 353 354 private final int mSquaredTouchSlopDistance; 355 // Set when this TextView gained focus with some text selected. Will start selection mode. 356 private boolean mCreatedWithASelection = false; 357 358 private WordIterator mWordIterator; 359 360 private SpellChecker mSpellChecker; 361 362 private boolean mSoftInputShownOnFocus = true; 363 364 // The alignment to pass to Layout, or null if not resolved. 365 private Layout.Alignment mLayoutAlignment; 366 367 // The default value for mTextAlign. 368 private TextAlign mTextAlign = TextAlign.INHERIT; 369 370 private static enum TextAlign { 371 INHERIT, GRAVITY, TEXT_START, TEXT_END, CENTER, VIEW_START, VIEW_END; 372 } 373 374 private boolean mResolvedDrawables = false; 375 376 /** 377 * On some devices the fading edges add a performance penalty if used 378 * extensively in the same layout. This mode indicates how the marquee 379 * is currently being shown, if applicable. (mEllipsize will == MARQUEE) 380 */ 381 private int mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 382 383 /** 384 * When mMarqueeFadeMode is not MARQUEE_FADE_NORMAL, this stores 385 * the layout that should be used when the mode switches. 386 */ 387 private Layout mSavedMarqueeModeLayout; 388 389 /** 390 * Draw marquee text with fading edges as usual 391 */ 392 private static final int MARQUEE_FADE_NORMAL = 0; 393 394 /** 395 * Draw marquee text as ellipsize end while inactive instead of with the fade. 396 * (Useful for devices where the fade can be expensive if overdone) 397 */ 398 private static final int MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS = 1; 399 400 /** 401 * Draw marquee text with fading edges because it is currently active/animating. 402 */ 403 private static final int MARQUEE_FADE_SWITCH_SHOW_FADE = 2; 404 405 /* 406 * Kick-start the font cache for the zygote process (to pay the cost of 407 * initializing freetype for our default font only once). 408 */ 409 static { 410 Paint p = new Paint(); 411 p.setAntiAlias(true); 412 // We don't care about the result, just the side-effect of measuring. 413 p.measureText("H"); 414 } 415 416 /** 417 * Interface definition for a callback to be invoked when an action is 418 * performed on the editor. 419 */ 420 public interface OnEditorActionListener { 421 /** 422 * Called when an action is being performed. 423 * 424 * @param v The view that was clicked. 425 * @param actionId Identifier of the action. This will be either the 426 * identifier you supplied, or {@link EditorInfo#IME_NULL 427 * EditorInfo.IME_NULL} if being called due to the enter key 428 * being pressed. 429 * @param event If triggered by an enter key, this is the event; 430 * otherwise, this is null. 431 * @return Return true if you have consumed the action, else false. 432 */ 433 boolean onEditorAction(TextView v, int actionId, KeyEvent event); 434 } 435 436 public TextView(Context context) { 437 this(context, null); 438 } 439 440 public TextView(Context context, 441 AttributeSet attrs) { 442 this(context, attrs, com.android.internal.R.attr.textViewStyle); 443 } 444 445 @SuppressWarnings("deprecation") 446 public TextView(Context context, 447 AttributeSet attrs, 448 int defStyle) { 449 super(context, attrs, defStyle); 450 mText = ""; 451 452 final Resources res = getResources(); 453 final CompatibilityInfo compat = res.getCompatibilityInfo(); 454 455 mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG); 456 mTextPaint.density = res.getDisplayMetrics().density; 457 mTextPaint.setCompatibilityScaling(compat.applicationScale); 458 459 // If we get the paint from the skin, we should set it to left, since 460 // the layout always wants it to be left. 461 // mTextPaint.setTextAlign(Paint.Align.LEFT); 462 463 mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG); 464 mHighlightPaint.setCompatibilityScaling(compat.applicationScale); 465 466 mMovement = getDefaultMovementMethod(); 467 mTransformation = null; 468 469 int textColorHighlight = 0; 470 ColorStateList textColor = null; 471 ColorStateList textColorHint = null; 472 ColorStateList textColorLink = null; 473 int textSize = 15; 474 int typefaceIndex = -1; 475 int styleIndex = -1; 476 boolean allCaps = false; 477 478 final Resources.Theme theme = context.getTheme(); 479 480 /* 481 * Look the appearance up without checking first if it exists because 482 * almost every TextView has one and it greatly simplifies the logic 483 * to be able to parse the appearance first and then let specific tags 484 * for this View override it. 485 */ 486 TypedArray a = theme.obtainStyledAttributes( 487 attrs, com.android.internal.R.styleable.TextViewAppearance, defStyle, 0); 488 TypedArray appearance = null; 489 int ap = a.getResourceId( 490 com.android.internal.R.styleable.TextViewAppearance_textAppearance, -1); 491 a.recycle(); 492 if (ap != -1) { 493 appearance = theme.obtainStyledAttributes( 494 ap, com.android.internal.R.styleable.TextAppearance); 495 } 496 if (appearance != null) { 497 int n = appearance.getIndexCount(); 498 for (int i = 0; i < n; i++) { 499 int attr = appearance.getIndex(i); 500 501 switch (attr) { 502 case com.android.internal.R.styleable.TextAppearance_textColorHighlight: 503 textColorHighlight = appearance.getColor(attr, textColorHighlight); 504 break; 505 506 case com.android.internal.R.styleable.TextAppearance_textColor: 507 textColor = appearance.getColorStateList(attr); 508 break; 509 510 case com.android.internal.R.styleable.TextAppearance_textColorHint: 511 textColorHint = appearance.getColorStateList(attr); 512 break; 513 514 case com.android.internal.R.styleable.TextAppearance_textColorLink: 515 textColorLink = appearance.getColorStateList(attr); 516 break; 517 518 case com.android.internal.R.styleable.TextAppearance_textSize: 519 textSize = appearance.getDimensionPixelSize(attr, textSize); 520 break; 521 522 case com.android.internal.R.styleable.TextAppearance_typeface: 523 typefaceIndex = appearance.getInt(attr, -1); 524 break; 525 526 case com.android.internal.R.styleable.TextAppearance_textStyle: 527 styleIndex = appearance.getInt(attr, -1); 528 break; 529 530 case com.android.internal.R.styleable.TextAppearance_textAllCaps: 531 allCaps = appearance.getBoolean(attr, false); 532 break; 533 } 534 } 535 536 appearance.recycle(); 537 } 538 539 boolean editable = getDefaultEditable(); 540 CharSequence inputMethod = null; 541 int numeric = 0; 542 CharSequence digits = null; 543 boolean phone = false; 544 boolean autotext = false; 545 int autocap = -1; 546 int buffertype = 0; 547 boolean selectallonfocus = false; 548 Drawable drawableLeft = null, drawableTop = null, drawableRight = null, 549 drawableBottom = null, drawableStart = null, drawableEnd = null; 550 int drawablePadding = 0; 551 int ellipsize = -1; 552 boolean singleLine = false; 553 int maxlength = -1; 554 CharSequence text = ""; 555 CharSequence hint = null; 556 int shadowcolor = 0; 557 float dx = 0, dy = 0, r = 0; 558 boolean password = false; 559 int inputType = EditorInfo.TYPE_NULL; 560 561 a = theme.obtainStyledAttributes( 562 attrs, com.android.internal.R.styleable.TextView, defStyle, 0); 563 564 int n = a.getIndexCount(); 565 for (int i = 0; i < n; i++) { 566 int attr = a.getIndex(i); 567 568 switch (attr) { 569 case com.android.internal.R.styleable.TextView_editable: 570 editable = a.getBoolean(attr, editable); 571 break; 572 573 case com.android.internal.R.styleable.TextView_inputMethod: 574 inputMethod = a.getText(attr); 575 break; 576 577 case com.android.internal.R.styleable.TextView_numeric: 578 numeric = a.getInt(attr, numeric); 579 break; 580 581 case com.android.internal.R.styleable.TextView_digits: 582 digits = a.getText(attr); 583 break; 584 585 case com.android.internal.R.styleable.TextView_phoneNumber: 586 phone = a.getBoolean(attr, phone); 587 break; 588 589 case com.android.internal.R.styleable.TextView_autoText: 590 autotext = a.getBoolean(attr, autotext); 591 break; 592 593 case com.android.internal.R.styleable.TextView_capitalize: 594 autocap = a.getInt(attr, autocap); 595 break; 596 597 case com.android.internal.R.styleable.TextView_bufferType: 598 buffertype = a.getInt(attr, buffertype); 599 break; 600 601 case com.android.internal.R.styleable.TextView_selectAllOnFocus: 602 selectallonfocus = a.getBoolean(attr, selectallonfocus); 603 break; 604 605 case com.android.internal.R.styleable.TextView_autoLink: 606 mAutoLinkMask = a.getInt(attr, 0); 607 break; 608 609 case com.android.internal.R.styleable.TextView_linksClickable: 610 mLinksClickable = a.getBoolean(attr, true); 611 break; 612 613 // TODO uncomment when this attribute is made public in the next release 614 // also add TextView_showSoftInputOnFocus to the list of attributes above 615 // case com.android.internal.R.styleable.TextView_showSoftInputOnFocus: 616 // setShowSoftInputOnFocus(a.getBoolean(attr, true)); 617 // break; 618 619 case com.android.internal.R.styleable.TextView_drawableLeft: 620 drawableLeft = a.getDrawable(attr); 621 break; 622 623 case com.android.internal.R.styleable.TextView_drawableTop: 624 drawableTop = a.getDrawable(attr); 625 break; 626 627 case com.android.internal.R.styleable.TextView_drawableRight: 628 drawableRight = a.getDrawable(attr); 629 break; 630 631 case com.android.internal.R.styleable.TextView_drawableBottom: 632 drawableBottom = a.getDrawable(attr); 633 break; 634 635 case com.android.internal.R.styleable.TextView_drawableStart: 636 drawableStart = a.getDrawable(attr); 637 break; 638 639 case com.android.internal.R.styleable.TextView_drawableEnd: 640 drawableEnd = a.getDrawable(attr); 641 break; 642 643 case com.android.internal.R.styleable.TextView_drawablePadding: 644 drawablePadding = a.getDimensionPixelSize(attr, drawablePadding); 645 break; 646 647 case com.android.internal.R.styleable.TextView_maxLines: 648 setMaxLines(a.getInt(attr, -1)); 649 break; 650 651 case com.android.internal.R.styleable.TextView_maxHeight: 652 setMaxHeight(a.getDimensionPixelSize(attr, -1)); 653 break; 654 655 case com.android.internal.R.styleable.TextView_lines: 656 setLines(a.getInt(attr, -1)); 657 break; 658 659 case com.android.internal.R.styleable.TextView_height: 660 setHeight(a.getDimensionPixelSize(attr, -1)); 661 break; 662 663 case com.android.internal.R.styleable.TextView_minLines: 664 setMinLines(a.getInt(attr, -1)); 665 break; 666 667 case com.android.internal.R.styleable.TextView_minHeight: 668 setMinHeight(a.getDimensionPixelSize(attr, -1)); 669 break; 670 671 case com.android.internal.R.styleable.TextView_maxEms: 672 setMaxEms(a.getInt(attr, -1)); 673 break; 674 675 case com.android.internal.R.styleable.TextView_maxWidth: 676 setMaxWidth(a.getDimensionPixelSize(attr, -1)); 677 break; 678 679 case com.android.internal.R.styleable.TextView_ems: 680 setEms(a.getInt(attr, -1)); 681 break; 682 683 case com.android.internal.R.styleable.TextView_width: 684 setWidth(a.getDimensionPixelSize(attr, -1)); 685 break; 686 687 case com.android.internal.R.styleable.TextView_minEms: 688 setMinEms(a.getInt(attr, -1)); 689 break; 690 691 case com.android.internal.R.styleable.TextView_minWidth: 692 setMinWidth(a.getDimensionPixelSize(attr, -1)); 693 break; 694 695 case com.android.internal.R.styleable.TextView_gravity: 696 setGravity(a.getInt(attr, -1)); 697 break; 698 699 case com.android.internal.R.styleable.TextView_hint: 700 hint = a.getText(attr); 701 break; 702 703 case com.android.internal.R.styleable.TextView_text: 704 text = a.getText(attr); 705 break; 706 707 case com.android.internal.R.styleable.TextView_scrollHorizontally: 708 if (a.getBoolean(attr, false)) { 709 setHorizontallyScrolling(true); 710 } 711 break; 712 713 case com.android.internal.R.styleable.TextView_singleLine: 714 singleLine = a.getBoolean(attr, singleLine); 715 break; 716 717 case com.android.internal.R.styleable.TextView_ellipsize: 718 ellipsize = a.getInt(attr, ellipsize); 719 break; 720 721 case com.android.internal.R.styleable.TextView_marqueeRepeatLimit: 722 setMarqueeRepeatLimit(a.getInt(attr, mMarqueeRepeatLimit)); 723 break; 724 725 case com.android.internal.R.styleable.TextView_includeFontPadding: 726 if (!a.getBoolean(attr, true)) { 727 setIncludeFontPadding(false); 728 } 729 break; 730 731 case com.android.internal.R.styleable.TextView_cursorVisible: 732 if (!a.getBoolean(attr, true)) { 733 setCursorVisible(false); 734 } 735 break; 736 737 case com.android.internal.R.styleable.TextView_maxLength: 738 maxlength = a.getInt(attr, -1); 739 break; 740 741 case com.android.internal.R.styleable.TextView_textScaleX: 742 setTextScaleX(a.getFloat(attr, 1.0f)); 743 break; 744 745 case com.android.internal.R.styleable.TextView_freezesText: 746 mFreezesText = a.getBoolean(attr, false); 747 break; 748 749 case com.android.internal.R.styleable.TextView_shadowColor: 750 shadowcolor = a.getInt(attr, 0); 751 break; 752 753 case com.android.internal.R.styleable.TextView_shadowDx: 754 dx = a.getFloat(attr, 0); 755 break; 756 757 case com.android.internal.R.styleable.TextView_shadowDy: 758 dy = a.getFloat(attr, 0); 759 break; 760 761 case com.android.internal.R.styleable.TextView_shadowRadius: 762 r = a.getFloat(attr, 0); 763 break; 764 765 case com.android.internal.R.styleable.TextView_enabled: 766 setEnabled(a.getBoolean(attr, isEnabled())); 767 break; 768 769 case com.android.internal.R.styleable.TextView_textColorHighlight: 770 textColorHighlight = a.getColor(attr, textColorHighlight); 771 break; 772 773 case com.android.internal.R.styleable.TextView_textColor: 774 textColor = a.getColorStateList(attr); 775 break; 776 777 case com.android.internal.R.styleable.TextView_textColorHint: 778 textColorHint = a.getColorStateList(attr); 779 break; 780 781 case com.android.internal.R.styleable.TextView_textColorLink: 782 textColorLink = a.getColorStateList(attr); 783 break; 784 785 case com.android.internal.R.styleable.TextView_textSize: 786 textSize = a.getDimensionPixelSize(attr, textSize); 787 break; 788 789 case com.android.internal.R.styleable.TextView_typeface: 790 typefaceIndex = a.getInt(attr, typefaceIndex); 791 break; 792 793 case com.android.internal.R.styleable.TextView_textStyle: 794 styleIndex = a.getInt(attr, styleIndex); 795 break; 796 797 case com.android.internal.R.styleable.TextView_password: 798 password = a.getBoolean(attr, password); 799 break; 800 801 case com.android.internal.R.styleable.TextView_lineSpacingExtra: 802 mSpacingAdd = a.getDimensionPixelSize(attr, (int) mSpacingAdd); 803 break; 804 805 case com.android.internal.R.styleable.TextView_lineSpacingMultiplier: 806 mSpacingMult = a.getFloat(attr, mSpacingMult); 807 break; 808 809 case com.android.internal.R.styleable.TextView_inputType: 810 inputType = a.getInt(attr, mInputType); 811 break; 812 813 case com.android.internal.R.styleable.TextView_imeOptions: 814 if (mInputContentType == null) { 815 mInputContentType = new InputContentType(); 816 } 817 mInputContentType.imeOptions = a.getInt(attr, 818 mInputContentType.imeOptions); 819 break; 820 821 case com.android.internal.R.styleable.TextView_imeActionLabel: 822 if (mInputContentType == null) { 823 mInputContentType = new InputContentType(); 824 } 825 mInputContentType.imeActionLabel = a.getText(attr); 826 break; 827 828 case com.android.internal.R.styleable.TextView_imeActionId: 829 if (mInputContentType == null) { 830 mInputContentType = new InputContentType(); 831 } 832 mInputContentType.imeActionId = a.getInt(attr, 833 mInputContentType.imeActionId); 834 break; 835 836 case com.android.internal.R.styleable.TextView_privateImeOptions: 837 setPrivateImeOptions(a.getString(attr)); 838 break; 839 840 case com.android.internal.R.styleable.TextView_editorExtras: 841 try { 842 setInputExtras(a.getResourceId(attr, 0)); 843 } catch (XmlPullParserException e) { 844 Log.w(LOG_TAG, "Failure reading input extras", e); 845 } catch (IOException e) { 846 Log.w(LOG_TAG, "Failure reading input extras", e); 847 } 848 break; 849 850 case com.android.internal.R.styleable.TextView_textCursorDrawable: 851 mCursorDrawableRes = a.getResourceId(attr, 0); 852 break; 853 854 case com.android.internal.R.styleable.TextView_textSelectHandleLeft: 855 mTextSelectHandleLeftRes = a.getResourceId(attr, 0); 856 break; 857 858 case com.android.internal.R.styleable.TextView_textSelectHandleRight: 859 mTextSelectHandleRightRes = a.getResourceId(attr, 0); 860 break; 861 862 case com.android.internal.R.styleable.TextView_textSelectHandle: 863 mTextSelectHandleRes = a.getResourceId(attr, 0); 864 break; 865 866 case com.android.internal.R.styleable.TextView_textEditSuggestionItemLayout: 867 mTextEditSuggestionItemLayout = a.getResourceId(attr, 0); 868 break; 869 870 case com.android.internal.R.styleable.TextView_textIsSelectable: 871 mTextIsSelectable = a.getBoolean(attr, false); 872 break; 873 874 case com.android.internal.R.styleable.TextView_textAllCaps: 875 allCaps = a.getBoolean(attr, false); 876 break; 877 } 878 } 879 a.recycle(); 880 881 BufferType bufferType = BufferType.EDITABLE; 882 883 final int variation = 884 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 885 final boolean passwordInputType = variation 886 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD); 887 final boolean webPasswordInputType = variation 888 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD); 889 final boolean numberPasswordInputType = variation 890 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 891 892 if (inputMethod != null) { 893 Class<?> c; 894 895 try { 896 c = Class.forName(inputMethod.toString()); 897 } catch (ClassNotFoundException ex) { 898 throw new RuntimeException(ex); 899 } 900 901 try { 902 mInput = (KeyListener) c.newInstance(); 903 } catch (InstantiationException ex) { 904 throw new RuntimeException(ex); 905 } catch (IllegalAccessException ex) { 906 throw new RuntimeException(ex); 907 } 908 try { 909 mInputType = inputType != EditorInfo.TYPE_NULL 910 ? inputType 911 : mInput.getInputType(); 912 } catch (IncompatibleClassChangeError e) { 913 mInputType = EditorInfo.TYPE_CLASS_TEXT; 914 } 915 } else if (digits != null) { 916 mInput = DigitsKeyListener.getInstance(digits.toString()); 917 // If no input type was specified, we will default to generic 918 // text, since we can't tell the IME about the set of digits 919 // that was selected. 920 mInputType = inputType != EditorInfo.TYPE_NULL 921 ? inputType : EditorInfo.TYPE_CLASS_TEXT; 922 } else if (inputType != EditorInfo.TYPE_NULL) { 923 setInputType(inputType, true); 924 // If set, the input type overrides what was set using the deprecated singleLine flag. 925 singleLine = !isMultilineInputType(inputType); 926 } else if (phone) { 927 mInput = DialerKeyListener.getInstance(); 928 mInputType = inputType = EditorInfo.TYPE_CLASS_PHONE; 929 } else if (numeric != 0) { 930 mInput = DigitsKeyListener.getInstance((numeric & SIGNED) != 0, 931 (numeric & DECIMAL) != 0); 932 inputType = EditorInfo.TYPE_CLASS_NUMBER; 933 if ((numeric & SIGNED) != 0) { 934 inputType |= EditorInfo.TYPE_NUMBER_FLAG_SIGNED; 935 } 936 if ((numeric & DECIMAL) != 0) { 937 inputType |= EditorInfo.TYPE_NUMBER_FLAG_DECIMAL; 938 } 939 mInputType = inputType; 940 } else if (autotext || autocap != -1) { 941 TextKeyListener.Capitalize cap; 942 943 inputType = EditorInfo.TYPE_CLASS_TEXT; 944 945 switch (autocap) { 946 case 1: 947 cap = TextKeyListener.Capitalize.SENTENCES; 948 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES; 949 break; 950 951 case 2: 952 cap = TextKeyListener.Capitalize.WORDS; 953 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS; 954 break; 955 956 case 3: 957 cap = TextKeyListener.Capitalize.CHARACTERS; 958 inputType |= EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS; 959 break; 960 961 default: 962 cap = TextKeyListener.Capitalize.NONE; 963 break; 964 } 965 966 mInput = TextKeyListener.getInstance(autotext, cap); 967 mInputType = inputType; 968 } else if (mTextIsSelectable) { 969 // Prevent text changes from keyboard. 970 mInputType = EditorInfo.TYPE_NULL; 971 mInput = null; 972 bufferType = BufferType.SPANNABLE; 973 // Required to request focus while in touch mode. 974 setFocusableInTouchMode(true); 975 // So that selection can be changed using arrow keys and touch is handled. 976 setMovementMethod(ArrowKeyMovementMethod.getInstance()); 977 } else if (editable) { 978 mInput = TextKeyListener.getInstance(); 979 mInputType = EditorInfo.TYPE_CLASS_TEXT; 980 } else { 981 mInput = null; 982 983 switch (buffertype) { 984 case 0: 985 bufferType = BufferType.NORMAL; 986 break; 987 case 1: 988 bufferType = BufferType.SPANNABLE; 989 break; 990 case 2: 991 bufferType = BufferType.EDITABLE; 992 break; 993 } 994 } 995 996 // mInputType has been set from inputType, possibly modified by mInputMethod. 997 // Specialize mInputType to [web]password if we have a text class and the original input 998 // type was a password. 999 if ((mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_TEXT) { 1000 if (password || passwordInputType) { 1001 mInputType = (mInputType & ~(EditorInfo.TYPE_MASK_VARIATION)) 1002 | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD; 1003 } 1004 if (webPasswordInputType) { 1005 mInputType = (mInputType & ~(EditorInfo.TYPE_MASK_VARIATION)) 1006 | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD; 1007 } 1008 } else if ((mInputType & EditorInfo.TYPE_MASK_CLASS) == EditorInfo.TYPE_CLASS_NUMBER) { 1009 if (numberPasswordInputType) { 1010 mInputType = (mInputType & ~(EditorInfo.TYPE_MASK_VARIATION)) 1011 | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD; 1012 } 1013 } 1014 1015 if (selectallonfocus) { 1016 mSelectAllOnFocus = true; 1017 1018 if (bufferType == BufferType.NORMAL) 1019 bufferType = BufferType.SPANNABLE; 1020 } 1021 1022 setCompoundDrawablesWithIntrinsicBounds( 1023 drawableLeft, drawableTop, drawableRight, drawableBottom); 1024 setRelativeDrawablesIfNeeded(drawableStart, drawableEnd); 1025 setCompoundDrawablePadding(drawablePadding); 1026 1027 // Same as setSingleLine(), but make sure the transformation method and the maximum number 1028 // of lines of height are unchanged for multi-line TextViews. 1029 setInputTypeSingleLine(singleLine); 1030 applySingleLine(singleLine, singleLine, singleLine); 1031 1032 if (singleLine && mInput == null && ellipsize < 0) { 1033 ellipsize = 3; // END 1034 } 1035 1036 switch (ellipsize) { 1037 case 1: 1038 setEllipsize(TextUtils.TruncateAt.START); 1039 break; 1040 case 2: 1041 setEllipsize(TextUtils.TruncateAt.MIDDLE); 1042 break; 1043 case 3: 1044 setEllipsize(TextUtils.TruncateAt.END); 1045 break; 1046 case 4: 1047 if (ViewConfiguration.get(context).isFadingMarqueeEnabled()) { 1048 setHorizontalFadingEdgeEnabled(true); 1049 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 1050 } else { 1051 setHorizontalFadingEdgeEnabled(false); 1052 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 1053 } 1054 setEllipsize(TextUtils.TruncateAt.MARQUEE); 1055 break; 1056 } 1057 1058 setTextColor(textColor != null ? textColor : ColorStateList.valueOf(0xFF000000)); 1059 setHintTextColor(textColorHint); 1060 setLinkTextColor(textColorLink); 1061 if (textColorHighlight != 0) { 1062 setHighlightColor(textColorHighlight); 1063 } 1064 setRawTextSize(textSize); 1065 1066 if (allCaps) { 1067 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 1068 } 1069 1070 if (password || passwordInputType || webPasswordInputType || numberPasswordInputType) { 1071 setTransformationMethod(PasswordTransformationMethod.getInstance()); 1072 typefaceIndex = MONOSPACE; 1073 } else if ((mInputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION)) 1074 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD)) { 1075 typefaceIndex = MONOSPACE; 1076 } 1077 1078 setTypefaceByIndex(typefaceIndex, styleIndex); 1079 1080 if (shadowcolor != 0) { 1081 setShadowLayer(r, dx, dy, shadowcolor); 1082 } 1083 1084 if (maxlength >= 0) { 1085 setFilters(new InputFilter[] { new InputFilter.LengthFilter(maxlength) }); 1086 } else { 1087 setFilters(NO_FILTERS); 1088 } 1089 1090 setText(text, bufferType); 1091 if (hint != null) setHint(hint); 1092 1093 /* 1094 * Views are not normally focusable unless specified to be. 1095 * However, TextViews that have input or movement methods *are* 1096 * focusable by default. 1097 */ 1098 a = context.obtainStyledAttributes(attrs, 1099 com.android.internal.R.styleable.View, 1100 defStyle, 0); 1101 1102 boolean focusable = mMovement != null || mInput != null; 1103 boolean clickable = focusable; 1104 boolean longClickable = focusable; 1105 1106 n = a.getIndexCount(); 1107 for (int i = 0; i < n; i++) { 1108 int attr = a.getIndex(i); 1109 1110 switch (attr) { 1111 case com.android.internal.R.styleable.View_focusable: 1112 focusable = a.getBoolean(attr, focusable); 1113 break; 1114 1115 case com.android.internal.R.styleable.View_clickable: 1116 clickable = a.getBoolean(attr, clickable); 1117 break; 1118 1119 case com.android.internal.R.styleable.View_longClickable: 1120 longClickable = a.getBoolean(attr, longClickable); 1121 break; 1122 } 1123 } 1124 a.recycle(); 1125 1126 setFocusable(focusable); 1127 setClickable(clickable); 1128 setLongClickable(longClickable); 1129 1130 prepareCursorControllers(); 1131 1132 final ViewConfiguration viewConfiguration = ViewConfiguration.get(context); 1133 final int touchSlop = viewConfiguration.getScaledTouchSlop(); 1134 mSquaredTouchSlopDistance = touchSlop * touchSlop; 1135 } 1136 1137 private void setTypefaceByIndex(int typefaceIndex, int styleIndex) { 1138 Typeface tf = null; 1139 switch (typefaceIndex) { 1140 case SANS: 1141 tf = Typeface.SANS_SERIF; 1142 break; 1143 1144 case SERIF: 1145 tf = Typeface.SERIF; 1146 break; 1147 1148 case MONOSPACE: 1149 tf = Typeface.MONOSPACE; 1150 break; 1151 } 1152 1153 setTypeface(tf, styleIndex); 1154 } 1155 1156 private void setRelativeDrawablesIfNeeded(Drawable start, Drawable end) { 1157 boolean hasRelativeDrawables = (start != null) || (end != null); 1158 if (hasRelativeDrawables) { 1159 Drawables dr = mDrawables; 1160 if (dr == null) { 1161 mDrawables = dr = new Drawables(); 1162 } 1163 final Rect compoundRect = dr.mCompoundRect; 1164 int[] state = getDrawableState(); 1165 if (start != null) { 1166 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1167 start.setState(state); 1168 start.copyBounds(compoundRect); 1169 start.setCallback(this); 1170 1171 dr.mDrawableStart = start; 1172 dr.mDrawableSizeStart = compoundRect.width(); 1173 dr.mDrawableHeightStart = compoundRect.height(); 1174 } else { 1175 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1176 } 1177 if (end != null) { 1178 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1179 end.setState(state); 1180 end.copyBounds(compoundRect); 1181 end.setCallback(this); 1182 1183 dr.mDrawableEnd = end; 1184 dr.mDrawableSizeEnd = compoundRect.width(); 1185 dr.mDrawableHeightEnd = compoundRect.height(); 1186 } else { 1187 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1188 } 1189 } 1190 } 1191 1192 @Override 1193 public void setEnabled(boolean enabled) { 1194 if (enabled == isEnabled()) { 1195 return; 1196 } 1197 1198 if (!enabled) { 1199 // Hide the soft input if the currently active TextView is disabled 1200 InputMethodManager imm = InputMethodManager.peekInstance(); 1201 if (imm != null && imm.isActive(this)) { 1202 imm.hideSoftInputFromWindow(getWindowToken(), 0); 1203 } 1204 } 1205 super.setEnabled(enabled); 1206 prepareCursorControllers(); 1207 if (enabled) { 1208 // Make sure IME is updated with current editor info. 1209 InputMethodManager imm = InputMethodManager.peekInstance(); 1210 if (imm != null) imm.restartInput(this); 1211 } 1212 1213 // start or stop the cursor blinking as appropriate 1214 makeBlink(); 1215 } 1216 1217 /** 1218 * Sets the typeface and style in which the text should be displayed, 1219 * and turns on the fake bold and italic bits in the Paint if the 1220 * Typeface that you provided does not have all the bits in the 1221 * style that you specified. 1222 * 1223 * @attr ref android.R.styleable#TextView_typeface 1224 * @attr ref android.R.styleable#TextView_textStyle 1225 */ 1226 public void setTypeface(Typeface tf, int style) { 1227 if (style > 0) { 1228 if (tf == null) { 1229 tf = Typeface.defaultFromStyle(style); 1230 } else { 1231 tf = Typeface.create(tf, style); 1232 } 1233 1234 setTypeface(tf); 1235 // now compute what (if any) algorithmic styling is needed 1236 int typefaceStyle = tf != null ? tf.getStyle() : 0; 1237 int need = style & ~typefaceStyle; 1238 mTextPaint.setFakeBoldText((need & Typeface.BOLD) != 0); 1239 mTextPaint.setTextSkewX((need & Typeface.ITALIC) != 0 ? -0.25f : 0); 1240 } else { 1241 mTextPaint.setFakeBoldText(false); 1242 mTextPaint.setTextSkewX(0); 1243 setTypeface(tf); 1244 } 1245 } 1246 1247 /** 1248 * Subclasses override this to specify that they have a KeyListener 1249 * by default even if not specifically called for in the XML options. 1250 */ 1251 protected boolean getDefaultEditable() { 1252 return false; 1253 } 1254 1255 /** 1256 * Subclasses override this to specify a default movement method. 1257 */ 1258 protected MovementMethod getDefaultMovementMethod() { 1259 return null; 1260 } 1261 1262 /** 1263 * Return the text the TextView is displaying. If setText() was called with 1264 * an argument of BufferType.SPANNABLE or BufferType.EDITABLE, you can cast 1265 * the return value from this method to Spannable or Editable, respectively. 1266 * 1267 * Note: The content of the return value should not be modified. If you want 1268 * a modifiable one, you should make your own copy first. 1269 */ 1270 @ViewDebug.CapturedViewProperty 1271 public CharSequence getText() { 1272 return mText; 1273 } 1274 1275 /** 1276 * Returns the length, in characters, of the text managed by this TextView 1277 */ 1278 public int length() { 1279 return mText.length(); 1280 } 1281 1282 /** 1283 * Return the text the TextView is displaying as an Editable object. If 1284 * the text is not editable, null is returned. 1285 * 1286 * @see #getText 1287 */ 1288 public Editable getEditableText() { 1289 return (mText instanceof Editable) ? (Editable)mText : null; 1290 } 1291 1292 /** 1293 * @return the height of one standard line in pixels. Note that markup 1294 * within the text can cause individual lines to be taller or shorter 1295 * than this height, and the layout may contain additional first- 1296 * or last-line padding. 1297 */ 1298 public int getLineHeight() { 1299 return FastMath.round(mTextPaint.getFontMetricsInt(null) * mSpacingMult + mSpacingAdd); 1300 } 1301 1302 /** 1303 * @return the Layout that is currently being used to display the text. 1304 * This can be null if the text or width has recently changes. 1305 */ 1306 public final Layout getLayout() { 1307 return mLayout; 1308 } 1309 1310 /** 1311 * @return the current key listener for this TextView. 1312 * This will frequently be null for non-EditText TextViews. 1313 */ 1314 public final KeyListener getKeyListener() { 1315 return mInput; 1316 } 1317 1318 /** 1319 * Sets the key listener to be used with this TextView. This can be null 1320 * to disallow user input. Note that this method has significant and 1321 * subtle interactions with soft keyboards and other input method: 1322 * see {@link KeyListener#getInputType() KeyListener.getContentType()} 1323 * for important details. Calling this method will replace the current 1324 * content type of the text view with the content type returned by the 1325 * key listener. 1326 * <p> 1327 * Be warned that if you want a TextView with a key listener or movement 1328 * method not to be focusable, or if you want a TextView without a 1329 * key listener or movement method to be focusable, you must call 1330 * {@link #setFocusable} again after calling this to get the focusability 1331 * back the way you want it. 1332 * 1333 * @attr ref android.R.styleable#TextView_numeric 1334 * @attr ref android.R.styleable#TextView_digits 1335 * @attr ref android.R.styleable#TextView_phoneNumber 1336 * @attr ref android.R.styleable#TextView_inputMethod 1337 * @attr ref android.R.styleable#TextView_capitalize 1338 * @attr ref android.R.styleable#TextView_autoText 1339 */ 1340 public void setKeyListener(KeyListener input) { 1341 setKeyListenerOnly(input); 1342 fixFocusableAndClickableSettings(); 1343 1344 if (input != null) { 1345 try { 1346 mInputType = mInput.getInputType(); 1347 } catch (IncompatibleClassChangeError e) { 1348 mInputType = EditorInfo.TYPE_CLASS_TEXT; 1349 } 1350 // Change inputType, without affecting transformation. 1351 // No need to applySingleLine since mSingleLine is unchanged. 1352 setInputTypeSingleLine(mSingleLine); 1353 } else { 1354 mInputType = EditorInfo.TYPE_NULL; 1355 } 1356 1357 InputMethodManager imm = InputMethodManager.peekInstance(); 1358 if (imm != null) imm.restartInput(this); 1359 } 1360 1361 private void setKeyListenerOnly(KeyListener input) { 1362 mInput = input; 1363 if (mInput != null && !(mText instanceof Editable)) 1364 setText(mText); 1365 1366 setFilters((Editable) mText, mFilters); 1367 } 1368 1369 /** 1370 * @return the movement method being used for this TextView. 1371 * This will frequently be null for non-EditText TextViews. 1372 */ 1373 public final MovementMethod getMovementMethod() { 1374 return mMovement; 1375 } 1376 1377 /** 1378 * Sets the movement method (arrow key handler) to be used for 1379 * this TextView. This can be null to disallow using the arrow keys 1380 * to move the cursor or scroll the view. 1381 * <p> 1382 * Be warned that if you want a TextView with a key listener or movement 1383 * method not to be focusable, or if you want a TextView without a 1384 * key listener or movement method to be focusable, you must call 1385 * {@link #setFocusable} again after calling this to get the focusability 1386 * back the way you want it. 1387 */ 1388 public final void setMovementMethod(MovementMethod movement) { 1389 mMovement = movement; 1390 1391 if (mMovement != null && !(mText instanceof Spannable)) 1392 setText(mText); 1393 1394 fixFocusableAndClickableSettings(); 1395 1396 // SelectionModifierCursorController depends on textCanBeSelected, which depends on mMovement 1397 prepareCursorControllers(); 1398 } 1399 1400 private void fixFocusableAndClickableSettings() { 1401 if ((mMovement != null) || mInput != null) { 1402 setFocusable(true); 1403 setClickable(true); 1404 setLongClickable(true); 1405 } else { 1406 setFocusable(false); 1407 setClickable(false); 1408 setLongClickable(false); 1409 } 1410 } 1411 1412 /** 1413 * @return the current transformation method for this TextView. 1414 * This will frequently be null except for single-line and password 1415 * fields. 1416 */ 1417 public final TransformationMethod getTransformationMethod() { 1418 return mTransformation; 1419 } 1420 1421 /** 1422 * Sets the transformation that is applied to the text that this 1423 * TextView is displaying. 1424 * 1425 * @attr ref android.R.styleable#TextView_password 1426 * @attr ref android.R.styleable#TextView_singleLine 1427 */ 1428 public final void setTransformationMethod(TransformationMethod method) { 1429 if (method == mTransformation) { 1430 // Avoid the setText() below if the transformation is 1431 // the same. 1432 return; 1433 } 1434 if (mTransformation != null) { 1435 if (mText instanceof Spannable) { 1436 ((Spannable) mText).removeSpan(mTransformation); 1437 } 1438 } 1439 1440 mTransformation = method; 1441 1442 if (method instanceof TransformationMethod2) { 1443 TransformationMethod2 method2 = (TransformationMethod2) method; 1444 mAllowTransformationLengthChange = !mTextIsSelectable && !(mText instanceof Editable); 1445 method2.setLengthChangesAllowed(mAllowTransformationLengthChange); 1446 } else { 1447 mAllowTransformationLengthChange = false; 1448 } 1449 1450 setText(mText); 1451 } 1452 1453 /** 1454 * Returns the top padding of the view, plus space for the top 1455 * Drawable if any. 1456 */ 1457 public int getCompoundPaddingTop() { 1458 final Drawables dr = mDrawables; 1459 if (dr == null || dr.mDrawableTop == null) { 1460 return mPaddingTop; 1461 } else { 1462 return mPaddingTop + dr.mDrawablePadding + dr.mDrawableSizeTop; 1463 } 1464 } 1465 1466 /** 1467 * Returns the bottom padding of the view, plus space for the bottom 1468 * Drawable if any. 1469 */ 1470 public int getCompoundPaddingBottom() { 1471 final Drawables dr = mDrawables; 1472 if (dr == null || dr.mDrawableBottom == null) { 1473 return mPaddingBottom; 1474 } else { 1475 return mPaddingBottom + dr.mDrawablePadding + dr.mDrawableSizeBottom; 1476 } 1477 } 1478 1479 /** 1480 * Returns the left padding of the view, plus space for the left 1481 * Drawable if any. 1482 */ 1483 public int getCompoundPaddingLeft() { 1484 final Drawables dr = mDrawables; 1485 if (dr == null || dr.mDrawableLeft == null) { 1486 return mPaddingLeft; 1487 } else { 1488 return mPaddingLeft + dr.mDrawablePadding + dr.mDrawableSizeLeft; 1489 } 1490 } 1491 1492 /** 1493 * Returns the right padding of the view, plus space for the right 1494 * Drawable if any. 1495 */ 1496 public int getCompoundPaddingRight() { 1497 final Drawables dr = mDrawables; 1498 if (dr == null || dr.mDrawableRight == null) { 1499 return mPaddingRight; 1500 } else { 1501 return mPaddingRight + dr.mDrawablePadding + dr.mDrawableSizeRight; 1502 } 1503 } 1504 1505 /** 1506 * Returns the start padding of the view, plus space for the start 1507 * Drawable if any. 1508 * 1509 * @hide 1510 */ 1511 public int getCompoundPaddingStart() { 1512 resolveDrawables(); 1513 switch(getResolvedLayoutDirection()) { 1514 default: 1515 case LAYOUT_DIRECTION_LTR: 1516 return getCompoundPaddingLeft(); 1517 case LAYOUT_DIRECTION_RTL: 1518 return getCompoundPaddingRight(); 1519 } 1520 } 1521 1522 /** 1523 * Returns the end padding of the view, plus space for the end 1524 * Drawable if any. 1525 * 1526 * @hide 1527 */ 1528 public int getCompoundPaddingEnd() { 1529 resolveDrawables(); 1530 switch(getResolvedLayoutDirection()) { 1531 default: 1532 case LAYOUT_DIRECTION_LTR: 1533 return getCompoundPaddingRight(); 1534 case LAYOUT_DIRECTION_RTL: 1535 return getCompoundPaddingLeft(); 1536 } 1537 } 1538 1539 /** 1540 * Returns the extended top padding of the view, including both the 1541 * top Drawable if any and any extra space to keep more than maxLines 1542 * of text from showing. It is only valid to call this after measuring. 1543 */ 1544 public int getExtendedPaddingTop() { 1545 if (mMaxMode != LINES) { 1546 return getCompoundPaddingTop(); 1547 } 1548 1549 if (mLayout.getLineCount() <= mMaximum) { 1550 return getCompoundPaddingTop(); 1551 } 1552 1553 int top = getCompoundPaddingTop(); 1554 int bottom = getCompoundPaddingBottom(); 1555 int viewht = getHeight() - top - bottom; 1556 int layoutht = mLayout.getLineTop(mMaximum); 1557 1558 if (layoutht >= viewht) { 1559 return top; 1560 } 1561 1562 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1563 if (gravity == Gravity.TOP) { 1564 return top; 1565 } else if (gravity == Gravity.BOTTOM) { 1566 return top + viewht - layoutht; 1567 } else { // (gravity == Gravity.CENTER_VERTICAL) 1568 return top + (viewht - layoutht) / 2; 1569 } 1570 } 1571 1572 /** 1573 * Returns the extended bottom padding of the view, including both the 1574 * bottom Drawable if any and any extra space to keep more than maxLines 1575 * of text from showing. It is only valid to call this after measuring. 1576 */ 1577 public int getExtendedPaddingBottom() { 1578 if (mMaxMode != LINES) { 1579 return getCompoundPaddingBottom(); 1580 } 1581 1582 if (mLayout.getLineCount() <= mMaximum) { 1583 return getCompoundPaddingBottom(); 1584 } 1585 1586 int top = getCompoundPaddingTop(); 1587 int bottom = getCompoundPaddingBottom(); 1588 int viewht = getHeight() - top - bottom; 1589 int layoutht = mLayout.getLineTop(mMaximum); 1590 1591 if (layoutht >= viewht) { 1592 return bottom; 1593 } 1594 1595 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 1596 if (gravity == Gravity.TOP) { 1597 return bottom + viewht - layoutht; 1598 } else if (gravity == Gravity.BOTTOM) { 1599 return bottom; 1600 } else { // (gravity == Gravity.CENTER_VERTICAL) 1601 return bottom + (viewht - layoutht) / 2; 1602 } 1603 } 1604 1605 /** 1606 * Returns the total left padding of the view, including the left 1607 * Drawable if any. 1608 */ 1609 public int getTotalPaddingLeft() { 1610 return getCompoundPaddingLeft(); 1611 } 1612 1613 /** 1614 * Returns the total right padding of the view, including the right 1615 * Drawable if any. 1616 */ 1617 public int getTotalPaddingRight() { 1618 return getCompoundPaddingRight(); 1619 } 1620 1621 /** 1622 * Returns the total start padding of the view, including the start 1623 * Drawable if any. 1624 * 1625 * @hide 1626 */ 1627 public int getTotalPaddingStart() { 1628 return getCompoundPaddingStart(); 1629 } 1630 1631 /** 1632 * Returns the total end padding of the view, including the end 1633 * Drawable if any. 1634 * 1635 * @hide 1636 */ 1637 public int getTotalPaddingEnd() { 1638 return getCompoundPaddingEnd(); 1639 } 1640 1641 /** 1642 * Returns the total top padding of the view, including the top 1643 * Drawable if any, the extra space to keep more than maxLines 1644 * from showing, and the vertical offset for gravity, if any. 1645 */ 1646 public int getTotalPaddingTop() { 1647 return getExtendedPaddingTop() + getVerticalOffset(true); 1648 } 1649 1650 /** 1651 * Returns the total bottom padding of the view, including the bottom 1652 * Drawable if any, the extra space to keep more than maxLines 1653 * from showing, and the vertical offset for gravity, if any. 1654 */ 1655 public int getTotalPaddingBottom() { 1656 return getExtendedPaddingBottom() + getBottomVerticalOffset(true); 1657 } 1658 1659 /** 1660 * Sets the Drawables (if any) to appear to the left of, above, 1661 * to the right of, and below the text. Use null if you do not 1662 * want a Drawable there. The Drawables must already have had 1663 * {@link Drawable#setBounds} called. 1664 * 1665 * @attr ref android.R.styleable#TextView_drawableLeft 1666 * @attr ref android.R.styleable#TextView_drawableTop 1667 * @attr ref android.R.styleable#TextView_drawableRight 1668 * @attr ref android.R.styleable#TextView_drawableBottom 1669 */ 1670 public void setCompoundDrawables(Drawable left, Drawable top, 1671 Drawable right, Drawable bottom) { 1672 Drawables dr = mDrawables; 1673 1674 final boolean drawables = left != null || top != null 1675 || right != null || bottom != null; 1676 1677 if (!drawables) { 1678 // Clearing drawables... can we free the data structure? 1679 if (dr != null) { 1680 if (dr.mDrawablePadding == 0) { 1681 mDrawables = null; 1682 } else { 1683 // We need to retain the last set padding, so just clear 1684 // out all of the fields in the existing structure. 1685 if (dr.mDrawableLeft != null) dr.mDrawableLeft.setCallback(null); 1686 dr.mDrawableLeft = null; 1687 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 1688 dr.mDrawableTop = null; 1689 if (dr.mDrawableRight != null) dr.mDrawableRight.setCallback(null); 1690 dr.mDrawableRight = null; 1691 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 1692 dr.mDrawableBottom = null; 1693 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1694 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1695 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1696 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1697 } 1698 } 1699 } else { 1700 if (dr == null) { 1701 mDrawables = dr = new Drawables(); 1702 } 1703 1704 if (dr.mDrawableLeft != left && dr.mDrawableLeft != null) { 1705 dr.mDrawableLeft.setCallback(null); 1706 } 1707 dr.mDrawableLeft = left; 1708 1709 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 1710 dr.mDrawableTop.setCallback(null); 1711 } 1712 dr.mDrawableTop = top; 1713 1714 if (dr.mDrawableRight != right && dr.mDrawableRight != null) { 1715 dr.mDrawableRight.setCallback(null); 1716 } 1717 dr.mDrawableRight = right; 1718 1719 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 1720 dr.mDrawableBottom.setCallback(null); 1721 } 1722 dr.mDrawableBottom = bottom; 1723 1724 final Rect compoundRect = dr.mCompoundRect; 1725 int[] state; 1726 1727 state = getDrawableState(); 1728 1729 if (left != null) { 1730 left.setState(state); 1731 left.copyBounds(compoundRect); 1732 left.setCallback(this); 1733 dr.mDrawableSizeLeft = compoundRect.width(); 1734 dr.mDrawableHeightLeft = compoundRect.height(); 1735 } else { 1736 dr.mDrawableSizeLeft = dr.mDrawableHeightLeft = 0; 1737 } 1738 1739 if (right != null) { 1740 right.setState(state); 1741 right.copyBounds(compoundRect); 1742 right.setCallback(this); 1743 dr.mDrawableSizeRight = compoundRect.width(); 1744 dr.mDrawableHeightRight = compoundRect.height(); 1745 } else { 1746 dr.mDrawableSizeRight = dr.mDrawableHeightRight = 0; 1747 } 1748 1749 if (top != null) { 1750 top.setState(state); 1751 top.copyBounds(compoundRect); 1752 top.setCallback(this); 1753 dr.mDrawableSizeTop = compoundRect.height(); 1754 dr.mDrawableWidthTop = compoundRect.width(); 1755 } else { 1756 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1757 } 1758 1759 if (bottom != null) { 1760 bottom.setState(state); 1761 bottom.copyBounds(compoundRect); 1762 bottom.setCallback(this); 1763 dr.mDrawableSizeBottom = compoundRect.height(); 1764 dr.mDrawableWidthBottom = compoundRect.width(); 1765 } else { 1766 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1767 } 1768 } 1769 1770 invalidate(); 1771 requestLayout(); 1772 } 1773 1774 /** 1775 * Sets the Drawables (if any) to appear to the left of, above, 1776 * to the right of, and below the text. Use 0 if you do not 1777 * want a Drawable there. The Drawables' bounds will be set to 1778 * their intrinsic bounds. 1779 * 1780 * @param left Resource identifier of the left Drawable. 1781 * @param top Resource identifier of the top Drawable. 1782 * @param right Resource identifier of the right Drawable. 1783 * @param bottom Resource identifier of the bottom Drawable. 1784 * 1785 * @attr ref android.R.styleable#TextView_drawableLeft 1786 * @attr ref android.R.styleable#TextView_drawableTop 1787 * @attr ref android.R.styleable#TextView_drawableRight 1788 * @attr ref android.R.styleable#TextView_drawableBottom 1789 */ 1790 public void setCompoundDrawablesWithIntrinsicBounds(int left, int top, int right, int bottom) { 1791 final Resources resources = getContext().getResources(); 1792 setCompoundDrawablesWithIntrinsicBounds(left != 0 ? resources.getDrawable(left) : null, 1793 top != 0 ? resources.getDrawable(top) : null, 1794 right != 0 ? resources.getDrawable(right) : null, 1795 bottom != 0 ? resources.getDrawable(bottom) : null); 1796 } 1797 1798 /** 1799 * Sets the Drawables (if any) to appear to the left of, above, 1800 * to the right of, and below the text. Use null if you do not 1801 * want a Drawable there. The Drawables' bounds will be set to 1802 * their intrinsic bounds. 1803 * 1804 * @attr ref android.R.styleable#TextView_drawableLeft 1805 * @attr ref android.R.styleable#TextView_drawableTop 1806 * @attr ref android.R.styleable#TextView_drawableRight 1807 * @attr ref android.R.styleable#TextView_drawableBottom 1808 */ 1809 public void setCompoundDrawablesWithIntrinsicBounds(Drawable left, Drawable top, 1810 Drawable right, Drawable bottom) { 1811 1812 if (left != null) { 1813 left.setBounds(0, 0, left.getIntrinsicWidth(), left.getIntrinsicHeight()); 1814 } 1815 if (right != null) { 1816 right.setBounds(0, 0, right.getIntrinsicWidth(), right.getIntrinsicHeight()); 1817 } 1818 if (top != null) { 1819 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 1820 } 1821 if (bottom != null) { 1822 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 1823 } 1824 setCompoundDrawables(left, top, right, bottom); 1825 } 1826 1827 /** 1828 * Sets the Drawables (if any) to appear to the start of, above, 1829 * to the end of, and below the text. Use null if you do not 1830 * want a Drawable there. The Drawables must already have had 1831 * {@link Drawable#setBounds} called. 1832 * 1833 * @attr ref android.R.styleable#TextView_drawableStart 1834 * @attr ref android.R.styleable#TextView_drawableTop 1835 * @attr ref android.R.styleable#TextView_drawableEnd 1836 * @attr ref android.R.styleable#TextView_drawableBottom 1837 * 1838 * @hide 1839 */ 1840 public void setCompoundDrawablesRelative(Drawable start, Drawable top, 1841 Drawable end, Drawable bottom) { 1842 Drawables dr = mDrawables; 1843 1844 final boolean drawables = start != null || top != null 1845 || end != null || bottom != null; 1846 1847 if (!drawables) { 1848 // Clearing drawables... can we free the data structure? 1849 if (dr != null) { 1850 if (dr.mDrawablePadding == 0) { 1851 mDrawables = null; 1852 } else { 1853 // We need to retain the last set padding, so just clear 1854 // out all of the fields in the existing structure. 1855 if (dr.mDrawableStart != null) dr.mDrawableStart.setCallback(null); 1856 dr.mDrawableStart = null; 1857 if (dr.mDrawableTop != null) dr.mDrawableTop.setCallback(null); 1858 dr.mDrawableTop = null; 1859 if (dr.mDrawableEnd != null) dr.mDrawableEnd.setCallback(null); 1860 dr.mDrawableEnd = null; 1861 if (dr.mDrawableBottom != null) dr.mDrawableBottom.setCallback(null); 1862 dr.mDrawableBottom = null; 1863 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1864 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1865 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1866 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1867 } 1868 } 1869 } else { 1870 if (dr == null) { 1871 mDrawables = dr = new Drawables(); 1872 } 1873 1874 if (dr.mDrawableStart != start && dr.mDrawableStart != null) { 1875 dr.mDrawableStart.setCallback(null); 1876 } 1877 dr.mDrawableStart = start; 1878 1879 if (dr.mDrawableTop != top && dr.mDrawableTop != null) { 1880 dr.mDrawableTop.setCallback(null); 1881 } 1882 dr.mDrawableTop = top; 1883 1884 if (dr.mDrawableEnd != end && dr.mDrawableEnd != null) { 1885 dr.mDrawableEnd.setCallback(null); 1886 } 1887 dr.mDrawableEnd = end; 1888 1889 if (dr.mDrawableBottom != bottom && dr.mDrawableBottom != null) { 1890 dr.mDrawableBottom.setCallback(null); 1891 } 1892 dr.mDrawableBottom = bottom; 1893 1894 final Rect compoundRect = dr.mCompoundRect; 1895 int[] state; 1896 1897 state = getDrawableState(); 1898 1899 if (start != null) { 1900 start.setState(state); 1901 start.copyBounds(compoundRect); 1902 start.setCallback(this); 1903 dr.mDrawableSizeStart = compoundRect.width(); 1904 dr.mDrawableHeightStart = compoundRect.height(); 1905 } else { 1906 dr.mDrawableSizeStart = dr.mDrawableHeightStart = 0; 1907 } 1908 1909 if (end != null) { 1910 end.setState(state); 1911 end.copyBounds(compoundRect); 1912 end.setCallback(this); 1913 dr.mDrawableSizeEnd = compoundRect.width(); 1914 dr.mDrawableHeightEnd = compoundRect.height(); 1915 } else { 1916 dr.mDrawableSizeEnd = dr.mDrawableHeightEnd = 0; 1917 } 1918 1919 if (top != null) { 1920 top.setState(state); 1921 top.copyBounds(compoundRect); 1922 top.setCallback(this); 1923 dr.mDrawableSizeTop = compoundRect.height(); 1924 dr.mDrawableWidthTop = compoundRect.width(); 1925 } else { 1926 dr.mDrawableSizeTop = dr.mDrawableWidthTop = 0; 1927 } 1928 1929 if (bottom != null) { 1930 bottom.setState(state); 1931 bottom.copyBounds(compoundRect); 1932 bottom.setCallback(this); 1933 dr.mDrawableSizeBottom = compoundRect.height(); 1934 dr.mDrawableWidthBottom = compoundRect.width(); 1935 } else { 1936 dr.mDrawableSizeBottom = dr.mDrawableWidthBottom = 0; 1937 } 1938 } 1939 1940 resolveDrawables(); 1941 invalidate(); 1942 requestLayout(); 1943 } 1944 1945 /** 1946 * Sets the Drawables (if any) to appear to the start of, above, 1947 * to the end of, and below the text. Use 0 if you do not 1948 * want a Drawable there. The Drawables' bounds will be set to 1949 * their intrinsic bounds. 1950 * 1951 * @param start Resource identifier of the start Drawable. 1952 * @param top Resource identifier of the top Drawable. 1953 * @param end Resource identifier of the end Drawable. 1954 * @param bottom Resource identifier of the bottom Drawable. 1955 * 1956 * @attr ref android.R.styleable#TextView_drawableStart 1957 * @attr ref android.R.styleable#TextView_drawableTop 1958 * @attr ref android.R.styleable#TextView_drawableEnd 1959 * @attr ref android.R.styleable#TextView_drawableBottom 1960 * 1961 * @hide 1962 */ 1963 public void setCompoundDrawablesRelativeWithIntrinsicBounds(int start, int top, int end, 1964 int bottom) { 1965 resetResolvedDrawables(); 1966 final Resources resources = getContext().getResources(); 1967 setCompoundDrawablesRelativeWithIntrinsicBounds( 1968 start != 0 ? resources.getDrawable(start) : null, 1969 top != 0 ? resources.getDrawable(top) : null, 1970 end != 0 ? resources.getDrawable(end) : null, 1971 bottom != 0 ? resources.getDrawable(bottom) : null); 1972 } 1973 1974 /** 1975 * Sets the Drawables (if any) to appear to the start of, above, 1976 * to the end of, and below the text. Use null if you do not 1977 * want a Drawable there. The Drawables' bounds will be set to 1978 * their intrinsic bounds. 1979 * 1980 * @attr ref android.R.styleable#TextView_drawableStart 1981 * @attr ref android.R.styleable#TextView_drawableTop 1982 * @attr ref android.R.styleable#TextView_drawableEnd 1983 * @attr ref android.R.styleable#TextView_drawableBottom 1984 * 1985 * @hide 1986 */ 1987 public void setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable start, Drawable top, 1988 Drawable end, Drawable bottom) { 1989 1990 resetResolvedDrawables(); 1991 if (start != null) { 1992 start.setBounds(0, 0, start.getIntrinsicWidth(), start.getIntrinsicHeight()); 1993 } 1994 if (end != null) { 1995 end.setBounds(0, 0, end.getIntrinsicWidth(), end.getIntrinsicHeight()); 1996 } 1997 if (top != null) { 1998 top.setBounds(0, 0, top.getIntrinsicWidth(), top.getIntrinsicHeight()); 1999 } 2000 if (bottom != null) { 2001 bottom.setBounds(0, 0, bottom.getIntrinsicWidth(), bottom.getIntrinsicHeight()); 2002 } 2003 setCompoundDrawablesRelative(start, top, end, bottom); 2004 } 2005 2006 /** 2007 * Returns drawables for the left, top, right, and bottom borders. 2008 */ 2009 public Drawable[] getCompoundDrawables() { 2010 final Drawables dr = mDrawables; 2011 if (dr != null) { 2012 return new Drawable[] { 2013 dr.mDrawableLeft, dr.mDrawableTop, dr.mDrawableRight, dr.mDrawableBottom 2014 }; 2015 } else { 2016 return new Drawable[] { null, null, null, null }; 2017 } 2018 } 2019 2020 /** 2021 * Returns drawables for the start, top, end, and bottom borders. 2022 * 2023 * @hide 2024 */ 2025 public Drawable[] getCompoundDrawablesRelative() { 2026 final Drawables dr = mDrawables; 2027 if (dr != null) { 2028 return new Drawable[] { 2029 dr.mDrawableStart, dr.mDrawableTop, dr.mDrawableEnd, dr.mDrawableBottom 2030 }; 2031 } else { 2032 return new Drawable[] { null, null, null, null }; 2033 } 2034 } 2035 2036 /** 2037 * Sets the size of the padding between the compound drawables and 2038 * the text. 2039 * 2040 * @attr ref android.R.styleable#TextView_drawablePadding 2041 */ 2042 public void setCompoundDrawablePadding(int pad) { 2043 Drawables dr = mDrawables; 2044 if (pad == 0) { 2045 if (dr != null) { 2046 dr.mDrawablePadding = pad; 2047 } 2048 } else { 2049 if (dr == null) { 2050 mDrawables = dr = new Drawables(); 2051 } 2052 dr.mDrawablePadding = pad; 2053 } 2054 2055 invalidate(); 2056 requestLayout(); 2057 } 2058 2059 /** 2060 * Returns the padding between the compound drawables and the text. 2061 */ 2062 public int getCompoundDrawablePadding() { 2063 final Drawables dr = mDrawables; 2064 return dr != null ? dr.mDrawablePadding : 0; 2065 } 2066 2067 @Override 2068 public void setPadding(int left, int top, int right, int bottom) { 2069 if (left != mPaddingLeft || 2070 right != mPaddingRight || 2071 top != mPaddingTop || 2072 bottom != mPaddingBottom) { 2073 nullLayouts(); 2074 } 2075 2076 // the super call will requestLayout() 2077 super.setPadding(left, top, right, bottom); 2078 invalidate(); 2079 } 2080 2081 /** 2082 * Gets the autolink mask of the text. See {@link 2083 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2084 * possible values. 2085 * 2086 * @attr ref android.R.styleable#TextView_autoLink 2087 */ 2088 public final int getAutoLinkMask() { 2089 return mAutoLinkMask; 2090 } 2091 2092 /** 2093 * Sets the text color, size, style, hint color, and highlight color 2094 * from the specified TextAppearance resource. 2095 */ 2096 public void setTextAppearance(Context context, int resid) { 2097 TypedArray appearance = 2098 context.obtainStyledAttributes(resid, 2099 com.android.internal.R.styleable.TextAppearance); 2100 2101 int color; 2102 ColorStateList colors; 2103 int ts; 2104 2105 color = appearance.getColor(com.android.internal.R.styleable.TextAppearance_textColorHighlight, 0); 2106 if (color != 0) { 2107 setHighlightColor(color); 2108 } 2109 2110 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2111 TextAppearance_textColor); 2112 if (colors != null) { 2113 setTextColor(colors); 2114 } 2115 2116 ts = appearance.getDimensionPixelSize(com.android.internal.R.styleable. 2117 TextAppearance_textSize, 0); 2118 if (ts != 0) { 2119 setRawTextSize(ts); 2120 } 2121 2122 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2123 TextAppearance_textColorHint); 2124 if (colors != null) { 2125 setHintTextColor(colors); 2126 } 2127 2128 colors = appearance.getColorStateList(com.android.internal.R.styleable. 2129 TextAppearance_textColorLink); 2130 if (colors != null) { 2131 setLinkTextColor(colors); 2132 } 2133 2134 int typefaceIndex, styleIndex; 2135 2136 typefaceIndex = appearance.getInt(com.android.internal.R.styleable. 2137 TextAppearance_typeface, -1); 2138 styleIndex = appearance.getInt(com.android.internal.R.styleable. 2139 TextAppearance_textStyle, -1); 2140 2141 setTypefaceByIndex(typefaceIndex, styleIndex); 2142 2143 if (appearance.getBoolean(com.android.internal.R.styleable.TextAppearance_textAllCaps, 2144 false)) { 2145 setTransformationMethod(new AllCapsTransformationMethod(getContext())); 2146 } 2147 2148 appearance.recycle(); 2149 } 2150 2151 /** 2152 * @return the size (in pixels) of the default text size in this TextView. 2153 */ 2154 public float getTextSize() { 2155 return mTextPaint.getTextSize(); 2156 } 2157 2158 /** 2159 * Set the default text size to the given value, interpreted as "scaled 2160 * pixel" units. This size is adjusted based on the current density and 2161 * user font size preference. 2162 * 2163 * @param size The scaled pixel size. 2164 * 2165 * @attr ref android.R.styleable#TextView_textSize 2166 */ 2167 @android.view.RemotableViewMethod 2168 public void setTextSize(float size) { 2169 setTextSize(TypedValue.COMPLEX_UNIT_SP, size); 2170 } 2171 2172 /** 2173 * Set the default text size to a given unit and value. See {@link 2174 * TypedValue} for the possible dimension units. 2175 * 2176 * @param unit The desired dimension unit. 2177 * @param size The desired size in the given units. 2178 * 2179 * @attr ref android.R.styleable#TextView_textSize 2180 */ 2181 public void setTextSize(int unit, float size) { 2182 Context c = getContext(); 2183 Resources r; 2184 2185 if (c == null) 2186 r = Resources.getSystem(); 2187 else 2188 r = c.getResources(); 2189 2190 setRawTextSize(TypedValue.applyDimension( 2191 unit, size, r.getDisplayMetrics())); 2192 } 2193 2194 private void setRawTextSize(float size) { 2195 if (size != mTextPaint.getTextSize()) { 2196 mTextPaint.setTextSize(size); 2197 2198 if (mLayout != null) { 2199 nullLayouts(); 2200 requestLayout(); 2201 invalidate(); 2202 } 2203 } 2204 } 2205 2206 /** 2207 * @return the extent by which text is currently being stretched 2208 * horizontally. This will usually be 1. 2209 */ 2210 public float getTextScaleX() { 2211 return mTextPaint.getTextScaleX(); 2212 } 2213 2214 /** 2215 * Sets the extent by which text should be stretched horizontally. 2216 * 2217 * @attr ref android.R.styleable#TextView_textScaleX 2218 */ 2219 @android.view.RemotableViewMethod 2220 public void setTextScaleX(float size) { 2221 if (size != mTextPaint.getTextScaleX()) { 2222 mUserSetTextScaleX = true; 2223 mTextPaint.setTextScaleX(size); 2224 2225 if (mLayout != null) { 2226 nullLayouts(); 2227 requestLayout(); 2228 invalidate(); 2229 } 2230 } 2231 } 2232 2233 /** 2234 * Sets the typeface and style in which the text should be displayed. 2235 * Note that not all Typeface families actually have bold and italic 2236 * variants, so you may need to use 2237 * {@link #setTypeface(Typeface, int)} to get the appearance 2238 * that you actually want. 2239 * 2240 * @attr ref android.R.styleable#TextView_typeface 2241 * @attr ref android.R.styleable#TextView_textStyle 2242 */ 2243 public void setTypeface(Typeface tf) { 2244 if (mTextPaint.getTypeface() != tf) { 2245 mTextPaint.setTypeface(tf); 2246 2247 if (mLayout != null) { 2248 nullLayouts(); 2249 requestLayout(); 2250 invalidate(); 2251 } 2252 } 2253 } 2254 2255 /** 2256 * @return the current typeface and style in which the text is being 2257 * displayed. 2258 */ 2259 public Typeface getTypeface() { 2260 return mTextPaint.getTypeface(); 2261 } 2262 2263 /** 2264 * Sets the text color for all the states (normal, selected, 2265 * focused) to be this color. 2266 * 2267 * @attr ref android.R.styleable#TextView_textColor 2268 */ 2269 @android.view.RemotableViewMethod 2270 public void setTextColor(int color) { 2271 mTextColor = ColorStateList.valueOf(color); 2272 updateTextColors(); 2273 } 2274 2275 /** 2276 * Sets the text color. 2277 * 2278 * @attr ref android.R.styleable#TextView_textColor 2279 */ 2280 public void setTextColor(ColorStateList colors) { 2281 if (colors == null) { 2282 throw new NullPointerException(); 2283 } 2284 2285 mTextColor = colors; 2286 updateTextColors(); 2287 } 2288 2289 /** 2290 * Return the set of text colors. 2291 * 2292 * @return Returns the set of text colors. 2293 */ 2294 public final ColorStateList getTextColors() { 2295 return mTextColor; 2296 } 2297 2298 /** 2299 * <p>Return the current color selected for normal text.</p> 2300 * 2301 * @return Returns the current text color. 2302 */ 2303 public final int getCurrentTextColor() { 2304 return mCurTextColor; 2305 } 2306 2307 /** 2308 * Sets the color used to display the selection highlight. 2309 * 2310 * @attr ref android.R.styleable#TextView_textColorHighlight 2311 */ 2312 @android.view.RemotableViewMethod 2313 public void setHighlightColor(int color) { 2314 if (mHighlightColor != color) { 2315 mHighlightColor = color; 2316 invalidate(); 2317 } 2318 } 2319 2320 /** 2321 * Gives the text a shadow of the specified radius and color, the specified 2322 * distance from its normal position. 2323 * 2324 * @attr ref android.R.styleable#TextView_shadowColor 2325 * @attr ref android.R.styleable#TextView_shadowDx 2326 * @attr ref android.R.styleable#TextView_shadowDy 2327 * @attr ref android.R.styleable#TextView_shadowRadius 2328 */ 2329 public void setShadowLayer(float radius, float dx, float dy, int color) { 2330 mTextPaint.setShadowLayer(radius, dx, dy, color); 2331 2332 mShadowRadius = radius; 2333 mShadowDx = dx; 2334 mShadowDy = dy; 2335 2336 invalidate(); 2337 } 2338 2339 /** 2340 * @return the base paint used for the text. Please use this only to 2341 * consult the Paint's properties and not to change them. 2342 */ 2343 public TextPaint getPaint() { 2344 return mTextPaint; 2345 } 2346 2347 /** 2348 * Sets the autolink mask of the text. See {@link 2349 * android.text.util.Linkify#ALL Linkify.ALL} and peers for 2350 * possible values. 2351 * 2352 * @attr ref android.R.styleable#TextView_autoLink 2353 */ 2354 @android.view.RemotableViewMethod 2355 public final void setAutoLinkMask(int mask) { 2356 mAutoLinkMask = mask; 2357 } 2358 2359 /** 2360 * Sets whether the movement method will automatically be set to 2361 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 2362 * set to nonzero and links are detected in {@link #setText}. 2363 * The default is true. 2364 * 2365 * @attr ref android.R.styleable#TextView_linksClickable 2366 */ 2367 @android.view.RemotableViewMethod 2368 public final void setLinksClickable(boolean whether) { 2369 mLinksClickable = whether; 2370 } 2371 2372 /** 2373 * Returns whether the movement method will automatically be set to 2374 * {@link LinkMovementMethod} if {@link #setAutoLinkMask} has been 2375 * set to nonzero and links are detected in {@link #setText}. 2376 * The default is true. 2377 * 2378 * @attr ref android.R.styleable#TextView_linksClickable 2379 */ 2380 public final boolean getLinksClickable() { 2381 return mLinksClickable; 2382 } 2383 2384 /** 2385 * Sets whether the soft input method will be made visible when this 2386 * TextView gets focused. The default is true. 2387 * 2388 * @attr ref android.R.styleable#TextView_softInputShownOnFocus 2389 * @hide 2390 */ 2391 @android.view.RemotableViewMethod 2392 public final void setSoftInputShownOnFocus(boolean show) { 2393 mSoftInputShownOnFocus = show; 2394 } 2395 2396 /** 2397 * Returns whether the soft input method will be made visible when this 2398 * TextView gets focused. The default is true. 2399 * 2400 * @attr ref android.R.styleable#TextView_softInputShownOnFocus 2401 * @hide 2402 */ 2403 public final boolean getSoftInputShownOnFocus() { 2404 return mSoftInputShownOnFocus; 2405 } 2406 2407 /** 2408 * Returns the list of URLSpans attached to the text 2409 * (by {@link Linkify} or otherwise) if any. You can call 2410 * {@link URLSpan#getURL} on them to find where they link to 2411 * or use {@link Spanned#getSpanStart} and {@link Spanned#getSpanEnd} 2412 * to find the region of the text they are attached to. 2413 */ 2414 public URLSpan[] getUrls() { 2415 if (mText instanceof Spanned) { 2416 return ((Spanned) mText).getSpans(0, mText.length(), URLSpan.class); 2417 } else { 2418 return new URLSpan[0]; 2419 } 2420 } 2421 2422 /** 2423 * Sets the color of the hint text. 2424 * 2425 * @attr ref android.R.styleable#TextView_textColorHint 2426 */ 2427 @android.view.RemotableViewMethod 2428 public final void setHintTextColor(int color) { 2429 mHintTextColor = ColorStateList.valueOf(color); 2430 updateTextColors(); 2431 } 2432 2433 /** 2434 * Sets the color of the hint text. 2435 * 2436 * @attr ref android.R.styleable#TextView_textColorHint 2437 */ 2438 public final void setHintTextColor(ColorStateList colors) { 2439 mHintTextColor = colors; 2440 updateTextColors(); 2441 } 2442 2443 /** 2444 * <p>Return the color used to paint the hint text.</p> 2445 * 2446 * @return Returns the list of hint text colors. 2447 */ 2448 public final ColorStateList getHintTextColors() { 2449 return mHintTextColor; 2450 } 2451 2452 /** 2453 * <p>Return the current color selected to paint the hint text.</p> 2454 * 2455 * @return Returns the current hint text color. 2456 */ 2457 public final int getCurrentHintTextColor() { 2458 return mHintTextColor != null ? mCurHintTextColor : mCurTextColor; 2459 } 2460 2461 /** 2462 * Sets the color of links in the text. 2463 * 2464 * @attr ref android.R.styleable#TextView_textColorLink 2465 */ 2466 @android.view.RemotableViewMethod 2467 public final void setLinkTextColor(int color) { 2468 mLinkTextColor = ColorStateList.valueOf(color); 2469 updateTextColors(); 2470 } 2471 2472 /** 2473 * Sets the color of links in the text. 2474 * 2475 * @attr ref android.R.styleable#TextView_textColorLink 2476 */ 2477 public final void setLinkTextColor(ColorStateList colors) { 2478 mLinkTextColor = colors; 2479 updateTextColors(); 2480 } 2481 2482 /** 2483 * <p>Returns the color used to paint links in the text.</p> 2484 * 2485 * @return Returns the list of link text colors. 2486 */ 2487 public final ColorStateList getLinkTextColors() { 2488 return mLinkTextColor; 2489 } 2490 2491 /** 2492 * Sets the horizontal alignment of the text and the 2493 * vertical gravity that will be used when there is extra space 2494 * in the TextView beyond what is required for the text itself. 2495 * 2496 * @see android.view.Gravity 2497 * @attr ref android.R.styleable#TextView_gravity 2498 */ 2499 public void setGravity(int gravity) { 2500 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) == 0) { 2501 gravity |= Gravity.START; 2502 } 2503 if ((gravity & Gravity.VERTICAL_GRAVITY_MASK) == 0) { 2504 gravity |= Gravity.TOP; 2505 } 2506 2507 boolean newLayout = false; 2508 2509 if ((gravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) != 2510 (mGravity & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK)) { 2511 newLayout = true; 2512 } 2513 2514 if (gravity != mGravity) { 2515 invalidate(); 2516 mLayoutAlignment = null; 2517 } 2518 2519 mGravity = gravity; 2520 2521 if (mLayout != null && newLayout) { 2522 // XXX this is heavy-handed because no actual content changes. 2523 int want = mLayout.getWidth(); 2524 int hintWant = mHintLayout == null ? 0 : mHintLayout.getWidth(); 2525 2526 makeNewLayout(want, hintWant, UNKNOWN_BORING, UNKNOWN_BORING, 2527 mRight - mLeft - getCompoundPaddingLeft() - 2528 getCompoundPaddingRight(), true); 2529 } 2530 } 2531 2532 /** 2533 * Returns the horizontal and vertical alignment of this TextView. 2534 * 2535 * @see android.view.Gravity 2536 * @attr ref android.R.styleable#TextView_gravity 2537 */ 2538 public int getGravity() { 2539 return mGravity; 2540 } 2541 2542 /** 2543 * @return the flags on the Paint being used to display the text. 2544 * @see Paint#getFlags 2545 */ 2546 public int getPaintFlags() { 2547 return mTextPaint.getFlags(); 2548 } 2549 2550 /** 2551 * Sets flags on the Paint being used to display the text and 2552 * reflows the text if they are different from the old flags. 2553 * @see Paint#setFlags 2554 */ 2555 @android.view.RemotableViewMethod 2556 public void setPaintFlags(int flags) { 2557 if (mTextPaint.getFlags() != flags) { 2558 mTextPaint.setFlags(flags); 2559 2560 if (mLayout != null) { 2561 nullLayouts(); 2562 requestLayout(); 2563 invalidate(); 2564 } 2565 } 2566 } 2567 2568 /** 2569 * Sets whether the text should be allowed to be wider than the 2570 * View is. If false, it will be wrapped to the width of the View. 2571 * 2572 * @attr ref android.R.styleable#TextView_scrollHorizontally 2573 */ 2574 public void setHorizontallyScrolling(boolean whether) { 2575 if (mHorizontallyScrolling != whether) { 2576 mHorizontallyScrolling = whether; 2577 2578 if (mLayout != null) { 2579 nullLayouts(); 2580 requestLayout(); 2581 invalidate(); 2582 } 2583 } 2584 } 2585 2586 /** 2587 * Returns whether the text is allowed to be wider than the View is. 2588 * If false, the text will be wrapped to the width of the View. 2589 * 2590 * @attr ref android.R.styleable#TextView_scrollHorizontally 2591 * @hide 2592 */ 2593 public boolean getHorizontallyScrolling() { 2594 return mHorizontallyScrolling; 2595 } 2596 2597 /** 2598 * Makes the TextView at least this many lines tall. 2599 * 2600 * Setting this value overrides any other (minimum) height setting. A single line TextView will 2601 * set this value to 1. 2602 * 2603 * @attr ref android.R.styleable#TextView_minLines 2604 */ 2605 @android.view.RemotableViewMethod 2606 public void setMinLines(int minlines) { 2607 mMinimum = minlines; 2608 mMinMode = LINES; 2609 2610 requestLayout(); 2611 invalidate(); 2612 } 2613 2614 /** 2615 * Makes the TextView at least this many pixels tall. 2616 * 2617 * Setting this value overrides any other (minimum) number of lines setting. 2618 * 2619 * @attr ref android.R.styleable#TextView_minHeight 2620 */ 2621 @android.view.RemotableViewMethod 2622 public void setMinHeight(int minHeight) { 2623 mMinimum = minHeight; 2624 mMinMode = PIXELS; 2625 2626 requestLayout(); 2627 invalidate(); 2628 } 2629 2630 /** 2631 * Makes the TextView at most this many lines tall. 2632 * 2633 * Setting this value overrides any other (maximum) height setting. 2634 * 2635 * @attr ref android.R.styleable#TextView_maxLines 2636 */ 2637 @android.view.RemotableViewMethod 2638 public void setMaxLines(int maxlines) { 2639 mMaximum = maxlines; 2640 mMaxMode = LINES; 2641 2642 requestLayout(); 2643 invalidate(); 2644 } 2645 2646 /** 2647 * Makes the TextView at most this many pixels tall. This option is mutually exclusive with the 2648 * {@link #setMaxLines(int)} method. 2649 * 2650 * Setting this value overrides any other (maximum) number of lines setting. 2651 * 2652 * @attr ref android.R.styleable#TextView_maxHeight 2653 */ 2654 @android.view.RemotableViewMethod 2655 public void setMaxHeight(int maxHeight) { 2656 mMaximum = maxHeight; 2657 mMaxMode = PIXELS; 2658 2659 requestLayout(); 2660 invalidate(); 2661 } 2662 2663 /** 2664 * Makes the TextView exactly this many lines tall. 2665 * 2666 * Note that setting this value overrides any other (minimum / maximum) number of lines or 2667 * height setting. A single line TextView will set this value to 1. 2668 * 2669 * @attr ref android.R.styleable#TextView_lines 2670 */ 2671 @android.view.RemotableViewMethod 2672 public void setLines(int lines) { 2673 mMaximum = mMinimum = lines; 2674 mMaxMode = mMinMode = LINES; 2675 2676 requestLayout(); 2677 invalidate(); 2678 } 2679 2680 /** 2681 * Makes the TextView exactly this many pixels tall. 2682 * You could do the same thing by specifying this number in the 2683 * LayoutParams. 2684 * 2685 * Note that setting this value overrides any other (minimum / maximum) number of lines or 2686 * height setting. 2687 * 2688 * @attr ref android.R.styleable#TextView_height 2689 */ 2690 @android.view.RemotableViewMethod 2691 public void setHeight(int pixels) { 2692 mMaximum = mMinimum = pixels; 2693 mMaxMode = mMinMode = PIXELS; 2694 2695 requestLayout(); 2696 invalidate(); 2697 } 2698 2699 /** 2700 * Makes the TextView at least this many ems wide 2701 * 2702 * @attr ref android.R.styleable#TextView_minEms 2703 */ 2704 @android.view.RemotableViewMethod 2705 public void setMinEms(int minems) { 2706 mMinWidth = minems; 2707 mMinWidthMode = EMS; 2708 2709 requestLayout(); 2710 invalidate(); 2711 } 2712 2713 /** 2714 * Makes the TextView at least this many pixels wide 2715 * 2716 * @attr ref android.R.styleable#TextView_minWidth 2717 */ 2718 @android.view.RemotableViewMethod 2719 public void setMinWidth(int minpixels) { 2720 mMinWidth = minpixels; 2721 mMinWidthMode = PIXELS; 2722 2723 requestLayout(); 2724 invalidate(); 2725 } 2726 2727 /** 2728 * Makes the TextView at most this many ems wide 2729 * 2730 * @attr ref android.R.styleable#TextView_maxEms 2731 */ 2732 @android.view.RemotableViewMethod 2733 public void setMaxEms(int maxems) { 2734 mMaxWidth = maxems; 2735 mMaxWidthMode = EMS; 2736 2737 requestLayout(); 2738 invalidate(); 2739 } 2740 2741 /** 2742 * Makes the TextView at most this many pixels wide 2743 * 2744 * @attr ref android.R.styleable#TextView_maxWidth 2745 */ 2746 @android.view.RemotableViewMethod 2747 public void setMaxWidth(int maxpixels) { 2748 mMaxWidth = maxpixels; 2749 mMaxWidthMode = PIXELS; 2750 2751 requestLayout(); 2752 invalidate(); 2753 } 2754 2755 /** 2756 * Makes the TextView exactly this many ems wide 2757 * 2758 * @attr ref android.R.styleable#TextView_ems 2759 */ 2760 @android.view.RemotableViewMethod 2761 public void setEms(int ems) { 2762 mMaxWidth = mMinWidth = ems; 2763 mMaxWidthMode = mMinWidthMode = EMS; 2764 2765 requestLayout(); 2766 invalidate(); 2767 } 2768 2769 /** 2770 * Makes the TextView exactly this many pixels wide. 2771 * You could do the same thing by specifying this number in the 2772 * LayoutParams. 2773 * 2774 * @attr ref android.R.styleable#TextView_width 2775 */ 2776 @android.view.RemotableViewMethod 2777 public void setWidth(int pixels) { 2778 mMaxWidth = mMinWidth = pixels; 2779 mMaxWidthMode = mMinWidthMode = PIXELS; 2780 2781 requestLayout(); 2782 invalidate(); 2783 } 2784 2785 2786 /** 2787 * Sets line spacing for this TextView. Each line will have its height 2788 * multiplied by <code>mult</code> and have <code>add</code> added to it. 2789 * 2790 * @attr ref android.R.styleable#TextView_lineSpacingExtra 2791 * @attr ref android.R.styleable#TextView_lineSpacingMultiplier 2792 */ 2793 public void setLineSpacing(float add, float mult) { 2794 if (mSpacingAdd != add || mSpacingMult != mult) { 2795 mSpacingAdd = add; 2796 mSpacingMult = mult; 2797 2798 if (mLayout != null) { 2799 nullLayouts(); 2800 requestLayout(); 2801 invalidate(); 2802 } 2803 } 2804 } 2805 2806 /** 2807 * Convenience method: Append the specified text to the TextView's 2808 * display buffer, upgrading it to BufferType.EDITABLE if it was 2809 * not already editable. 2810 */ 2811 public final void append(CharSequence text) { 2812 append(text, 0, text.length()); 2813 } 2814 2815 /** 2816 * Convenience method: Append the specified text slice to the TextView's 2817 * display buffer, upgrading it to BufferType.EDITABLE if it was 2818 * not already editable. 2819 */ 2820 public void append(CharSequence text, int start, int end) { 2821 if (!(mText instanceof Editable)) { 2822 setText(mText, BufferType.EDITABLE); 2823 } 2824 2825 ((Editable) mText).append(text, start, end); 2826 } 2827 2828 private void updateTextColors() { 2829 boolean inval = false; 2830 int color = mTextColor.getColorForState(getDrawableState(), 0); 2831 if (color != mCurTextColor) { 2832 mCurTextColor = color; 2833 inval = true; 2834 } 2835 if (mLinkTextColor != null) { 2836 color = mLinkTextColor.getColorForState(getDrawableState(), 0); 2837 if (color != mTextPaint.linkColor) { 2838 mTextPaint.linkColor = color; 2839 inval = true; 2840 } 2841 } 2842 if (mHintTextColor != null) { 2843 color = mHintTextColor.getColorForState(getDrawableState(), 0); 2844 if (color != mCurHintTextColor && mText.length() == 0) { 2845 mCurHintTextColor = color; 2846 inval = true; 2847 } 2848 } 2849 if (inval) { 2850 invalidate(); 2851 } 2852 } 2853 2854 @Override 2855 protected void drawableStateChanged() { 2856 super.drawableStateChanged(); 2857 if (mTextColor != null && mTextColor.isStateful() 2858 || (mHintTextColor != null && mHintTextColor.isStateful()) 2859 || (mLinkTextColor != null && mLinkTextColor.isStateful())) { 2860 updateTextColors(); 2861 } 2862 2863 final Drawables dr = mDrawables; 2864 if (dr != null) { 2865 int[] state = getDrawableState(); 2866 if (dr.mDrawableTop != null && dr.mDrawableTop.isStateful()) { 2867 dr.mDrawableTop.setState(state); 2868 } 2869 if (dr.mDrawableBottom != null && dr.mDrawableBottom.isStateful()) { 2870 dr.mDrawableBottom.setState(state); 2871 } 2872 if (dr.mDrawableLeft != null && dr.mDrawableLeft.isStateful()) { 2873 dr.mDrawableLeft.setState(state); 2874 } 2875 if (dr.mDrawableRight != null && dr.mDrawableRight.isStateful()) { 2876 dr.mDrawableRight.setState(state); 2877 } 2878 if (dr.mDrawableStart != null && dr.mDrawableStart.isStateful()) { 2879 dr.mDrawableStart.setState(state); 2880 } 2881 if (dr.mDrawableEnd != null && dr.mDrawableEnd.isStateful()) { 2882 dr.mDrawableEnd.setState(state); 2883 } 2884 } 2885 } 2886 2887 /** 2888 * User interface state that is stored by TextView for implementing 2889 * {@link View#onSaveInstanceState}. 2890 */ 2891 public static class SavedState extends BaseSavedState { 2892 int selStart; 2893 int selEnd; 2894 CharSequence text; 2895 boolean frozenWithFocus; 2896 CharSequence error; 2897 2898 SavedState(Parcelable superState) { 2899 super(superState); 2900 } 2901 2902 @Override 2903 public void writeToParcel(Parcel out, int flags) { 2904 super.writeToParcel(out, flags); 2905 out.writeInt(selStart); 2906 out.writeInt(selEnd); 2907 out.writeInt(frozenWithFocus ? 1 : 0); 2908 TextUtils.writeToParcel(text, out, flags); 2909 2910 if (error == null) { 2911 out.writeInt(0); 2912 } else { 2913 out.writeInt(1); 2914 TextUtils.writeToParcel(error, out, flags); 2915 } 2916 } 2917 2918 @Override 2919 public String toString() { 2920 String str = "TextView.SavedState{" 2921 + Integer.toHexString(System.identityHashCode(this)) 2922 + " start=" + selStart + " end=" + selEnd; 2923 if (text != null) { 2924 str += " text=" + text; 2925 } 2926 return str + "}"; 2927 } 2928 2929 @SuppressWarnings("hiding") 2930 public static final Parcelable.Creator<SavedState> CREATOR 2931 = new Parcelable.Creator<SavedState>() { 2932 public SavedState createFromParcel(Parcel in) { 2933 return new SavedState(in); 2934 } 2935 2936 public SavedState[] newArray(int size) { 2937 return new SavedState[size]; 2938 } 2939 }; 2940 2941 private SavedState(Parcel in) { 2942 super(in); 2943 selStart = in.readInt(); 2944 selEnd = in.readInt(); 2945 frozenWithFocus = (in.readInt() != 0); 2946 text = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 2947 2948 if (in.readInt() != 0) { 2949 error = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in); 2950 } 2951 } 2952 } 2953 2954 @Override 2955 public Parcelable onSaveInstanceState() { 2956 Parcelable superState = super.onSaveInstanceState(); 2957 2958 // Save state if we are forced to 2959 boolean save = mFreezesText; 2960 int start = 0; 2961 int end = 0; 2962 2963 if (mText != null) { 2964 start = getSelectionStart(); 2965 end = getSelectionEnd(); 2966 if (start >= 0 || end >= 0) { 2967 // Or save state if there is a selection 2968 save = true; 2969 } 2970 } 2971 2972 if (save) { 2973 SavedState ss = new SavedState(superState); 2974 // XXX Should also save the current scroll position! 2975 ss.selStart = start; 2976 ss.selEnd = end; 2977 2978 if (mText instanceof Spanned) { 2979 /* 2980 * Calling setText() strips off any ChangeWatchers; 2981 * strip them now to avoid leaking references. 2982 * But do it to a copy so that if there are any 2983 * further changes to the text of this view, it 2984 * won't get into an inconsistent state. 2985 */ 2986 2987 Spannable sp = new SpannableString(mText); 2988 2989 for (ChangeWatcher cw : sp.getSpans(0, sp.length(), ChangeWatcher.class)) { 2990 sp.removeSpan(cw); 2991 } 2992 2993 removeMisspelledSpans(sp); 2994 sp.removeSpan(mSuggestionRangeSpan); 2995 2996 ss.text = sp; 2997 } else { 2998 ss.text = mText.toString(); 2999 } 3000 3001 if (isFocused() && start >= 0 && end >= 0) { 3002 ss.frozenWithFocus = true; 3003 } 3004 3005 ss.error = mError; 3006 3007 return ss; 3008 } 3009 3010 return superState; 3011 } 3012 3013 void removeMisspelledSpans(Spannable spannable) { 3014 SuggestionSpan[] suggestionSpans = spannable.getSpans(0, spannable.length(), 3015 SuggestionSpan.class); 3016 for (int i = 0; i < suggestionSpans.length; i++) { 3017 int flags = suggestionSpans[i].getFlags(); 3018 if ((flags & SuggestionSpan.FLAG_EASY_CORRECT) != 0 3019 && (flags & SuggestionSpan.FLAG_MISSPELLED) != 0) { 3020 spannable.removeSpan(suggestionSpans[i]); 3021 } 3022 } 3023 } 3024 3025 @Override 3026 public void onRestoreInstanceState(Parcelable state) { 3027 if (!(state instanceof SavedState)) { 3028 super.onRestoreInstanceState(state); 3029 return; 3030 } 3031 3032 SavedState ss = (SavedState)state; 3033 super.onRestoreInstanceState(ss.getSuperState()); 3034 3035 // XXX restore buffer type too, as well as lots of other stuff 3036 if (ss.text != null) { 3037 setText(ss.text); 3038 } 3039 3040 if (ss.selStart >= 0 && ss.selEnd >= 0) { 3041 if (mText instanceof Spannable) { 3042 int len = mText.length(); 3043 3044 if (ss.selStart > len || ss.selEnd > len) { 3045 String restored = ""; 3046 3047 if (ss.text != null) { 3048 restored = "(restored) "; 3049 } 3050 3051 Log.e(LOG_TAG, "Saved cursor position " + ss.selStart + 3052 "/" + ss.selEnd + " out of range for " + restored + 3053 "text " + mText); 3054 } else { 3055 Selection.setSelection((Spannable) mText, ss.selStart, 3056 ss.selEnd); 3057 3058 if (ss.frozenWithFocus) { 3059 mFrozenWithFocus = true; 3060 } 3061 } 3062 } 3063 } 3064 3065 if (ss.error != null) { 3066 final CharSequence error = ss.error; 3067 // Display the error later, after the first layout pass 3068 post(new Runnable() { 3069 public void run() { 3070 setError(error); 3071 } 3072 }); 3073 } 3074 } 3075 3076 /** 3077 * Control whether this text view saves its entire text contents when 3078 * freezing to an icicle, in addition to dynamic state such as cursor 3079 * position. By default this is false, not saving the text. Set to true 3080 * if the text in the text view is not being saved somewhere else in 3081 * persistent storage (such as in a content provider) so that if the 3082 * view is later thawed the user will not lose their data. 3083 * 3084 * @param freezesText Controls whether a frozen icicle should include the 3085 * entire text data: true to include it, false to not. 3086 * 3087 * @attr ref android.R.styleable#TextView_freezesText 3088 */ 3089 @android.view.RemotableViewMethod 3090 public void setFreezesText(boolean freezesText) { 3091 mFreezesText = freezesText; 3092 } 3093 3094 /** 3095 * Return whether this text view is including its entire text contents 3096 * in frozen icicles. 3097 * 3098 * @return Returns true if text is included, false if it isn't. 3099 * 3100 * @see #setFreezesText 3101 */ 3102 public boolean getFreezesText() { 3103 return mFreezesText; 3104 } 3105 3106 /////////////////////////////////////////////////////////////////////////// 3107 3108 /** 3109 * Sets the Factory used to create new Editables. 3110 */ 3111 public final void setEditableFactory(Editable.Factory factory) { 3112 mEditableFactory = factory; 3113 setText(mText); 3114 } 3115 3116 /** 3117 * Sets the Factory used to create new Spannables. 3118 */ 3119 public final void setSpannableFactory(Spannable.Factory factory) { 3120 mSpannableFactory = factory; 3121 setText(mText); 3122 } 3123 3124 /** 3125 * Sets the string value of the TextView. TextView <em>does not</em> accept 3126 * HTML-like formatting, which you can do with text strings in XML resource files. 3127 * To style your strings, attach android.text.style.* objects to a 3128 * {@link android.text.SpannableString SpannableString}, or see the 3129 * <a href="{@docRoot}guide/topics/resources/available-resources.html#stringresources"> 3130 * Available Resource Types</a> documentation for an example of setting 3131 * formatted text in the XML resource file. 3132 * 3133 * @attr ref android.R.styleable#TextView_text 3134 */ 3135 @android.view.RemotableViewMethod 3136 public final void setText(CharSequence text) { 3137 setText(text, mBufferType); 3138 } 3139 3140 /** 3141 * Like {@link #setText(CharSequence)}, 3142 * except that the cursor position (if any) is retained in the new text. 3143 * 3144 * @param text The new text to place in the text view. 3145 * 3146 * @see #setText(CharSequence) 3147 */ 3148 @android.view.RemotableViewMethod 3149 public final void setTextKeepState(CharSequence text) { 3150 setTextKeepState(text, mBufferType); 3151 } 3152 3153 /** 3154 * Sets the text that this TextView is to display (see 3155 * {@link #setText(CharSequence)}) and also sets whether it is stored 3156 * in a styleable/spannable buffer and whether it is editable. 3157 * 3158 * @attr ref android.R.styleable#TextView_text 3159 * @attr ref android.R.styleable#TextView_bufferType 3160 */ 3161 public void setText(CharSequence text, BufferType type) { 3162 setText(text, type, true, 0); 3163 3164 if (mCharWrapper != null) { 3165 mCharWrapper.mChars = null; 3166 } 3167 } 3168 3169 private void setText(CharSequence text, BufferType type, 3170 boolean notifyBefore, int oldlen) { 3171 if (text == null) { 3172 text = ""; 3173 } 3174 3175 // If suggestions are not enabled, remove the suggestion spans from the text 3176 if (!isSuggestionsEnabled()) { 3177 text = removeSuggestionSpans(text); 3178 } 3179 3180 if (!mUserSetTextScaleX) mTextPaint.setTextScaleX(1.0f); 3181 3182 if (text instanceof Spanned && 3183 ((Spanned) text).getSpanStart(TextUtils.TruncateAt.MARQUEE) >= 0) { 3184 if (ViewConfiguration.get(mContext).isFadingMarqueeEnabled()) { 3185 setHorizontalFadingEdgeEnabled(true); 3186 mMarqueeFadeMode = MARQUEE_FADE_NORMAL; 3187 } else { 3188 setHorizontalFadingEdgeEnabled(false); 3189 mMarqueeFadeMode = MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS; 3190 } 3191 setEllipsize(TextUtils.TruncateAt.MARQUEE); 3192 } 3193 3194 int n = mFilters.length; 3195 for (int i = 0; i < n; i++) { 3196 CharSequence out = mFilters[i].filter(text, 0, text.length(), 3197 EMPTY_SPANNED, 0, 0); 3198 if (out != null) { 3199 text = out; 3200 } 3201 } 3202 3203 if (notifyBefore) { 3204 if (mText != null) { 3205 oldlen = mText.length(); 3206 sendBeforeTextChanged(mText, 0, oldlen, text.length()); 3207 } else { 3208 sendBeforeTextChanged("", 0, 0, text.length()); 3209 } 3210 } 3211 3212 boolean needEditableForNotification = false; 3213 3214 if (mListeners != null && mListeners.size() != 0) { 3215 needEditableForNotification = true; 3216 } 3217 3218 if (type == BufferType.EDITABLE || mInput != null || needEditableForNotification) { 3219 Editable t = mEditableFactory.newEditable(text); 3220 text = t; 3221 setFilters(t, mFilters); 3222 InputMethodManager imm = InputMethodManager.peekInstance(); 3223 if (imm != null) imm.restartInput(this); 3224 } else if (type == BufferType.SPANNABLE || mMovement != null) { 3225 text = mSpannableFactory.newSpannable(text); 3226 } else if (!(text instanceof CharWrapper)) { 3227 text = TextUtils.stringOrSpannedString(text); 3228 } 3229 3230 if (mAutoLinkMask != 0) { 3231 Spannable s2; 3232 3233 if (type == BufferType.EDITABLE || text instanceof Spannable) { 3234 s2 = (Spannable) text; 3235 } else { 3236 s2 = mSpannableFactory.newSpannable(text); 3237 } 3238 3239 if (Linkify.addLinks(s2, mAutoLinkMask)) { 3240 text = s2; 3241 type = (type == BufferType.EDITABLE) ? BufferType.EDITABLE : BufferType.SPANNABLE; 3242 3243 /* 3244 * We must go ahead and set the text before changing the 3245 * movement method, because setMovementMethod() may call 3246 * setText() again to try to upgrade the buffer type. 3247 */ 3248 mText = text; 3249 3250 // Do not change the movement method for text that support text selection as it 3251 // would prevent an arbitrary cursor displacement. 3252 if (mLinksClickable && !textCanBeSelected()) { 3253 setMovementMethod(LinkMovementMethod.getInstance()); 3254 } 3255 } 3256 } 3257 3258 mBufferType = type; 3259 mText = text; 3260 3261 if (mTransformation == null) { 3262 mTransformed = text; 3263 } else { 3264 mTransformed = mTransformation.getTransformation(text, this); 3265 } 3266 3267 final int textLength = text.length(); 3268 3269 if (text instanceof Spannable && !mAllowTransformationLengthChange) { 3270 Spannable sp = (Spannable) text; 3271 3272 // Remove any ChangeWatchers that might have come 3273 // from other TextViews. 3274 final ChangeWatcher[] watchers = sp.getSpans(0, sp.length(), ChangeWatcher.class); 3275 final int count = watchers.length; 3276 for (int i = 0; i < count; i++) 3277 sp.removeSpan(watchers[i]); 3278 3279 if (mChangeWatcher == null) 3280 mChangeWatcher = new ChangeWatcher(); 3281 3282 sp.setSpan(mChangeWatcher, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE | 3283 (PRIORITY << Spanned.SPAN_PRIORITY_SHIFT)); 3284 3285 if (mInput != null) { 3286 sp.setSpan(mInput, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 3287 } 3288 3289 if (mTransformation != null) { 3290 sp.setSpan(mTransformation, 0, textLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE); 3291 } 3292 3293 if (mMovement != null) { 3294 mMovement.initialize(this, (Spannable) text); 3295 3296 /* 3297 * Initializing the movement method will have set the 3298 * selection, so reset mSelectionMoved to keep that from 3299 * interfering with the normal on-focus selection-setting. 3300 */ 3301 mSelectionMoved = false; 3302 } 3303 } 3304 3305 if (mLayout != null) { 3306 checkForRelayout(); 3307 } 3308 3309 sendOnTextChanged(text, 0, oldlen, textLength); 3310 onTextChanged(text, 0, oldlen, textLength); 3311 3312 if (needEditableForNotification) { 3313 sendAfterTextChanged((Editable) text); 3314 } 3315 3316 // SelectionModifierCursorController depends on textCanBeSelected, which depends on text 3317 prepareCursorControllers(); 3318 } 3319 3320 /** 3321 * Sets the TextView to display the specified slice of the specified 3322 * char array. You must promise that you will not change the contents 3323 * of the array except for right before another call to setText(), 3324 * since the TextView has no way to know that the text 3325 * has changed and that it needs to invalidate and re-layout. 3326 */ 3327 public final void setText(char[] text, int start, int len) { 3328 int oldlen = 0; 3329 3330 if (start < 0 || len < 0 || start + len > text.length) { 3331 throw new IndexOutOfBoundsException(start + ", " + len); 3332 } 3333 3334 /* 3335 * We must do the before-notification here ourselves because if 3336 * the old text is a CharWrapper we destroy it before calling 3337 * into the normal path. 3338 */ 3339 if (mText != null) { 3340 oldlen = mText.length(); 3341 sendBeforeTextChanged(mText, 0, oldlen, len); 3342 } else { 3343 sendBeforeTextChanged("", 0, 0, len); 3344 } 3345 3346 if (mCharWrapper == null) { 3347 mCharWrapper = new CharWrapper(text, start, len); 3348 } else { 3349 mCharWrapper.set(text, start, len); 3350 } 3351 3352 setText(mCharWrapper, mBufferType, false, oldlen); 3353 } 3354 3355 private static class CharWrapper implements CharSequence, GetChars, GraphicsOperations { 3356 private char[] mChars; 3357 private int mStart, mLength; 3358 3359 public CharWrapper(char[] chars, int start, int len) { 3360 mChars = chars; 3361 mStart = start; 3362 mLength = len; 3363 } 3364 3365 /* package */ void set(char[] chars, int start, int len) { 3366 mChars = chars; 3367 mStart = start; 3368 mLength = len; 3369 } 3370 3371 public int length() { 3372 return mLength; 3373 } 3374 3375 public char charAt(int off) { 3376 return mChars[off + mStart]; 3377 } 3378 3379 @Override 3380 public String toString() { 3381 return new String(mChars, mStart, mLength); 3382 } 3383 3384 public CharSequence subSequence(int start, int end) { 3385 if (start < 0 || end < 0 || start > mLength || end > mLength) { 3386 throw new IndexOutOfBoundsException(start + ", " + end); 3387 } 3388 3389 return new String(mChars, start + mStart, end - start); 3390 } 3391 3392 public void getChars(int start, int end, char[] buf, int off) { 3393 if (start < 0 || end < 0 || start > mLength || end > mLength) { 3394 throw new IndexOutOfBoundsException(start + ", " + end); 3395 } 3396 3397 System.arraycopy(mChars, start + mStart, buf, off, end - start); 3398 } 3399 3400 public void drawText(Canvas c, int start, int end, 3401 float x, float y, Paint p) { 3402 c.drawText(mChars, start + mStart, end - start, x, y, p); 3403 } 3404 3405 public void drawTextRun(Canvas c, int start, int end, 3406 int contextStart, int contextEnd, float x, float y, int flags, Paint p) { 3407 int count = end - start; 3408 int contextCount = contextEnd - contextStart; 3409 c.drawTextRun(mChars, start + mStart, count, contextStart + mStart, 3410 contextCount, x, y, flags, p); 3411 } 3412 3413 public float measureText(int start, int end, Paint p) { 3414 return p.measureText(mChars, start + mStart, end - start); 3415 } 3416 3417 public int getTextWidths(int start, int end, float[] widths, Paint p) { 3418 return p.getTextWidths(mChars, start + mStart, end - start, widths); 3419 } 3420 3421 public float getTextRunAdvances(int start, int end, int contextStart, 3422 int contextEnd, int flags, float[] advances, int advancesIndex, 3423 Paint p) { 3424 int count = end - start; 3425 int contextCount = contextEnd - contextStart; 3426 return p.getTextRunAdvances(mChars, start + mStart, count, 3427 contextStart + mStart, contextCount, flags, advances, 3428 advancesIndex); 3429 } 3430 3431 public float getTextRunAdvances(int start, int end, int contextStart, 3432 int contextEnd, int flags, float[] advances, int advancesIndex, 3433 Paint p, int reserved) { 3434 int count = end - start; 3435 int contextCount = contextEnd - contextStart; 3436 return p.getTextRunAdvances(mChars, start + mStart, count, 3437 contextStart + mStart, contextCount, flags, advances, 3438 advancesIndex, reserved); 3439 } 3440 3441 public int getTextRunCursor(int contextStart, int contextEnd, int flags, 3442 int offset, int cursorOpt, Paint p) { 3443 int contextCount = contextEnd - contextStart; 3444 return p.getTextRunCursor(mChars, contextStart + mStart, 3445 contextCount, flags, offset + mStart, cursorOpt); 3446 } 3447 } 3448 3449 /** 3450 * Like {@link #setText(CharSequence, android.widget.TextView.BufferType)}, 3451 * except that the cursor position (if any) is retained in the new text. 3452 * 3453 * @see #setText(CharSequence, android.widget.TextView.BufferType) 3454 */ 3455 public final void setTextKeepState(CharSequence text, BufferType type) { 3456 int start = getSelectionStart(); 3457 int end = getSelectionEnd(); 3458 int len = text.length(); 3459 3460 setText(text, type); 3461 3462 if (start >= 0 || end >= 0) { 3463 if (mText instanceof Spannable) { 3464 Selection.setSelection((Spannable) mText, 3465 Math.max(0, Math.min(start, len)), 3466 Math.max(0, Math.min(end, len))); 3467 } 3468 } 3469 } 3470 3471 @android.view.RemotableViewMethod 3472 public final void setText(int resid) { 3473 setText(getContext().getResources().getText(resid)); 3474 } 3475 3476 public final void setText(int resid, BufferType type) { 3477 setText(getContext().getResources().getText(resid), type); 3478 } 3479 3480 /** 3481 * Sets the text to be displayed when the text of the TextView is empty. 3482 * Null means to use the normal empty text. The hint does not currently 3483 * participate in determining the size of the view. 3484 * 3485 * @attr ref android.R.styleable#TextView_hint 3486 */ 3487 @android.view.RemotableViewMethod 3488 public final void setHint(CharSequence hint) { 3489 mHint = TextUtils.stringOrSpannedString(hint); 3490 3491 if (mLayout != null) { 3492 checkForRelayout(); 3493 } 3494 3495 if (mText.length() == 0) { 3496 invalidate(); 3497 } 3498 } 3499 3500 /** 3501 * Sets the text to be displayed when the text of the TextView is empty, 3502 * from a resource. 3503 * 3504 * @attr ref android.R.styleable#TextView_hint 3505 */ 3506 @android.view.RemotableViewMethod 3507 public final void setHint(int resid) { 3508 setHint(getContext().getResources().getText(resid)); 3509 } 3510 3511 /** 3512 * Returns the hint that is displayed when the text of the TextView 3513 * is empty. 3514 * 3515 * @attr ref android.R.styleable#TextView_hint 3516 */ 3517 @ViewDebug.CapturedViewProperty 3518 public CharSequence getHint() { 3519 return mHint; 3520 } 3521 3522 private static boolean isMultilineInputType(int type) { 3523 return (type & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE)) == 3524 (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE); 3525 } 3526 3527 /** 3528 * Set the type of the content with a constant as defined for {@link EditorInfo#inputType}. This 3529 * will take care of changing the key listener, by calling {@link #setKeyListener(KeyListener)}, 3530 * to match the given content type. If the given content type is {@link EditorInfo#TYPE_NULL} 3531 * then a soft keyboard will not be displayed for this text view. 3532 * 3533 * Note that the maximum number of displayed lines (see {@link #setMaxLines(int)}) will be 3534 * modified if you change the {@link EditorInfo#TYPE_TEXT_FLAG_MULTI_LINE} flag of the input 3535 * type. 3536 * 3537 * @see #getInputType() 3538 * @see #setRawInputType(int) 3539 * @see android.text.InputType 3540 * @attr ref android.R.styleable#TextView_inputType 3541 */ 3542 public void setInputType(int type) { 3543 final boolean wasPassword = isPasswordInputType(mInputType); 3544 final boolean wasVisiblePassword = isVisiblePasswordInputType(mInputType); 3545 setInputType(type, false); 3546 final boolean isPassword = isPasswordInputType(type); 3547 final boolean isVisiblePassword = isVisiblePasswordInputType(type); 3548 boolean forceUpdate = false; 3549 if (isPassword) { 3550 setTransformationMethod(PasswordTransformationMethod.getInstance()); 3551 setTypefaceByIndex(MONOSPACE, 0); 3552 } else if (isVisiblePassword) { 3553 if (mTransformation == PasswordTransformationMethod.getInstance()) { 3554 forceUpdate = true; 3555 } 3556 setTypefaceByIndex(MONOSPACE, 0); 3557 } else if (wasPassword || wasVisiblePassword) { 3558 // not in password mode, clean up typeface and transformation 3559 setTypefaceByIndex(-1, -1); 3560 if (mTransformation == PasswordTransformationMethod.getInstance()) { 3561 forceUpdate = true; 3562 } 3563 } 3564 3565 boolean singleLine = !isMultilineInputType(type); 3566 3567 // We need to update the single line mode if it has changed or we 3568 // were previously in password mode. 3569 if (mSingleLine != singleLine || forceUpdate) { 3570 // Change single line mode, but only change the transformation if 3571 // we are not in password mode. 3572 applySingleLine(singleLine, !isPassword, true); 3573 } 3574 3575 if (!isSuggestionsEnabled()) { 3576 mText = removeSuggestionSpans(mText); 3577 } 3578 3579 InputMethodManager imm = InputMethodManager.peekInstance(); 3580 if (imm != null) imm.restartInput(this); 3581 } 3582 3583 /** 3584 * It would be better to rely on the input type for everything. A password inputType should have 3585 * a password transformation. We should hence use isPasswordInputType instead of this method. 3586 * 3587 * We should: 3588 * - Call setInputType in setKeyListener instead of changing the input type directly (which 3589 * would install the correct transformation). 3590 * - Refuse the installation of a non-password transformation in setTransformation if the input 3591 * type is password. 3592 * 3593 * However, this is like this for legacy reasons and we cannot break existing apps. This method 3594 * is useful since it matches what the user can see (obfuscated text or not). 3595 * 3596 * @return true if the current transformation method is of the password type. 3597 */ 3598 private boolean hasPasswordTransformationMethod() { 3599 return mTransformation instanceof PasswordTransformationMethod; 3600 } 3601 3602 private static boolean isPasswordInputType(int inputType) { 3603 final int variation = 3604 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 3605 return variation 3606 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_PASSWORD) 3607 || variation 3608 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD) 3609 || variation 3610 == (EditorInfo.TYPE_CLASS_NUMBER | EditorInfo.TYPE_NUMBER_VARIATION_PASSWORD); 3611 } 3612 3613 private static boolean isVisiblePasswordInputType(int inputType) { 3614 final int variation = 3615 inputType & (EditorInfo.TYPE_MASK_CLASS | EditorInfo.TYPE_MASK_VARIATION); 3616 return variation 3617 == (EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 3618 } 3619 3620 /** 3621 * Directly change the content type integer of the text view, without 3622 * modifying any other state. 3623 * @see #setInputType(int) 3624 * @see android.text.InputType 3625 * @attr ref android.R.styleable#TextView_inputType 3626 */ 3627 public void setRawInputType(int type) { 3628 mInputType = type; 3629 } 3630 3631 private void setInputType(int type, boolean direct) { 3632 final int cls = type & EditorInfo.TYPE_MASK_CLASS; 3633 KeyListener input; 3634 if (cls == EditorInfo.TYPE_CLASS_TEXT) { 3635 boolean autotext = (type & EditorInfo.TYPE_TEXT_FLAG_AUTO_CORRECT) != 0; 3636 TextKeyListener.Capitalize cap; 3637 if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_CHARACTERS) != 0) { 3638 cap = TextKeyListener.Capitalize.CHARACTERS; 3639 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_WORDS) != 0) { 3640 cap = TextKeyListener.Capitalize.WORDS; 3641 } else if ((type & EditorInfo.TYPE_TEXT_FLAG_CAP_SENTENCES) != 0) { 3642 cap = TextKeyListener.Capitalize.SENTENCES; 3643 } else { 3644 cap = TextKeyListener.Capitalize.NONE; 3645 } 3646 input = TextKeyListener.getInstance(autotext, cap); 3647 } else if (cls == EditorInfo.TYPE_CLASS_NUMBER) { 3648 input = DigitsKeyListener.getInstance( 3649 (type & EditorInfo.TYPE_NUMBER_FLAG_SIGNED) != 0, 3650 (type & EditorInfo.TYPE_NUMBER_FLAG_DECIMAL) != 0); 3651 } else if (cls == EditorInfo.TYPE_CLASS_DATETIME) { 3652 switch (type & EditorInfo.TYPE_MASK_VARIATION) { 3653 case EditorInfo.TYPE_DATETIME_VARIATION_DATE: 3654 input = DateKeyListener.getInstance(); 3655 break; 3656 case EditorInfo.TYPE_DATETIME_VARIATION_TIME: 3657 input = TimeKeyListener.getInstance(); 3658 break; 3659 default: 3660 input = DateTimeKeyListener.getInstance(); 3661 break; 3662 } 3663 } else if (cls == EditorInfo.TYPE_CLASS_PHONE) { 3664 input = DialerKeyListener.getInstance(); 3665 } else { 3666 input = TextKeyListener.getInstance(); 3667 } 3668 setRawInputType(type); 3669 if (direct) mInput = input; 3670 else { 3671 setKeyListenerOnly(input); 3672 } 3673 } 3674 3675 /** 3676 * Get the type of the content. 3677 * 3678 * @see #setInputType(int) 3679 * @see android.text.InputType 3680 */ 3681 public int getInputType() { 3682 return mInputType; 3683 } 3684 3685 /** 3686 * Change the editor type integer associated with the text view, which 3687 * will be reported to an IME with {@link EditorInfo#imeOptions} when it 3688 * has focus. 3689 * @see #getImeOptions 3690 * @see android.view.inputmethod.EditorInfo 3691 * @attr ref android.R.styleable#TextView_imeOptions 3692 */ 3693 public void setImeOptions(int imeOptions) { 3694 if (mInputContentType == null) { 3695 mInputContentType = new InputContentType(); 3696 } 3697 mInputContentType.imeOptions = imeOptions; 3698 } 3699 3700 /** 3701 * Get the type of the IME editor. 3702 * 3703 * @see #setImeOptions(int) 3704 * @see android.view.inputmethod.EditorInfo 3705 */ 3706 public int getImeOptions() { 3707 return mInputContentType != null 3708 ? mInputContentType.imeOptions : EditorInfo.IME_NULL; 3709 } 3710 3711 /** 3712 * Change the custom IME action associated with the text view, which 3713 * will be reported to an IME with {@link EditorInfo#actionLabel} 3714 * and {@link EditorInfo#actionId} when it has focus. 3715 * @see #getImeActionLabel 3716 * @see #getImeActionId 3717 * @see android.view.inputmethod.EditorInfo 3718 * @attr ref android.R.styleable#TextView_imeActionLabel 3719 * @attr ref android.R.styleable#TextView_imeActionId 3720 */ 3721 public void setImeActionLabel(CharSequence label, int actionId) { 3722 if (mInputContentType == null) { 3723 mInputContentType = new InputContentType(); 3724 } 3725 mInputContentType.imeActionLabel = label; 3726 mInputContentType.imeActionId = actionId; 3727 } 3728 3729 /** 3730 * Get the IME action label previous set with {@link #setImeActionLabel}. 3731 * 3732 * @see #setImeActionLabel 3733 * @see android.view.inputmethod.EditorInfo 3734 */ 3735 public CharSequence getImeActionLabel() { 3736 return mInputContentType != null 3737 ? mInputContentType.imeActionLabel : null; 3738 } 3739 3740 /** 3741 * Get the IME action ID previous set with {@link #setImeActionLabel}. 3742 * 3743 * @see #setImeActionLabel 3744 * @see android.view.inputmethod.EditorInfo 3745 */ 3746 public int getImeActionId() { 3747 return mInputContentType != null 3748 ? mInputContentType.imeActionId : 0; 3749 } 3750 3751 /** 3752 * Set a special listener to be called when an action is performed 3753 * on the text view. This will be called when the enter key is pressed, 3754 * or when an action supplied to the IME is selected by the user. Setting 3755 * this means that the normal hard key event will not insert a newline 3756 * into the text view, even if it is multi-line; holding down the ALT 3757 * modifier will, however, allow the user to insert a newline character. 3758 */ 3759 public void setOnEditorActionListener(OnEditorActionListener l) { 3760 if (mInputContentType == null) { 3761 mInputContentType = new InputContentType(); 3762 } 3763 mInputContentType.onEditorActionListener = l; 3764 } 3765 3766 /** 3767 * Called when an attached input method calls 3768 * {@link InputConnection#performEditorAction(int) 3769 * InputConnection.performEditorAction()} 3770 * for this text view. The default implementation will call your action 3771 * listener supplied to {@link #setOnEditorActionListener}, or perform 3772 * a standard operation for {@link EditorInfo#IME_ACTION_NEXT 3773 * EditorInfo.IME_ACTION_NEXT}, {@link EditorInfo#IME_ACTION_PREVIOUS 3774 * EditorInfo.IME_ACTION_PREVIOUS}, or {@link EditorInfo#IME_ACTION_DONE 3775 * EditorInfo.IME_ACTION_DONE}. 3776 * 3777 * <p>For backwards compatibility, if no IME options have been set and the 3778 * text view would not normally advance focus on enter, then 3779 * the NEXT and DONE actions received here will be turned into an enter 3780 * key down/up pair to go through the normal key handling. 3781 * 3782 * @param actionCode The code of the action being performed. 3783 * 3784 * @see #setOnEditorActionListener 3785 */ 3786 public void onEditorAction(int actionCode) { 3787 final InputContentType ict = mInputContentType; 3788 if (ict != null) { 3789 if (ict.onEditorActionListener != null) { 3790 if (ict.onEditorActionListener.onEditorAction(this, 3791 actionCode, null)) { 3792 return; 3793 } 3794 } 3795 3796 // This is the handling for some default action. 3797 // Note that for backwards compatibility we don't do this 3798 // default handling if explicit ime options have not been given, 3799 // instead turning this into the normal enter key codes that an 3800 // app may be expecting. 3801 if (actionCode == EditorInfo.IME_ACTION_NEXT) { 3802 View v = focusSearch(FOCUS_FORWARD); 3803 if (v != null) { 3804 if (!v.requestFocus(FOCUS_FORWARD)) { 3805 throw new IllegalStateException("focus search returned a view " + 3806 "that wasn't able to take focus!"); 3807 } 3808 } 3809 return; 3810 3811 } else if (actionCode == EditorInfo.IME_ACTION_PREVIOUS) { 3812 View v = focusSearch(FOCUS_BACKWARD); 3813 if (v != null) { 3814 if (!v.requestFocus(FOCUS_BACKWARD)) { 3815 throw new IllegalStateException("focus search returned a view " + 3816 "that wasn't able to take focus!"); 3817 } 3818 } 3819 return; 3820 3821 } else if (actionCode == EditorInfo.IME_ACTION_DONE) { 3822 InputMethodManager imm = InputMethodManager.peekInstance(); 3823 if (imm != null && imm.isActive(this)) { 3824 imm.hideSoftInputFromWindow(getWindowToken(), 0); 3825 } 3826 return; 3827 } 3828 } 3829 3830 Handler h = getHandler(); 3831 if (h != null) { 3832 long eventTime = SystemClock.uptimeMillis(); 3833 h.sendMessage(h.obtainMessage(ViewRootImpl.DISPATCH_KEY_FROM_IME, 3834 new KeyEvent(eventTime, eventTime, 3835 KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_ENTER, 0, 0, 3836 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 3837 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 3838 | KeyEvent.FLAG_EDITOR_ACTION))); 3839 h.sendMessage(h.obtainMessage(ViewRootImpl.DISPATCH_KEY_FROM_IME, 3840 new KeyEvent(SystemClock.uptimeMillis(), eventTime, 3841 KeyEvent.ACTION_UP, KeyEvent.KEYCODE_ENTER, 0, 0, 3842 KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 3843 KeyEvent.FLAG_SOFT_KEYBOARD | KeyEvent.FLAG_KEEP_TOUCH_MODE 3844 | KeyEvent.FLAG_EDITOR_ACTION))); 3845 } 3846 } 3847 3848 /** 3849 * Set the private content type of the text, which is the 3850 * {@link EditorInfo#privateImeOptions EditorInfo.privateImeOptions} 3851 * field that will be filled in when creating an input connection. 3852 * 3853 * @see #getPrivateImeOptions() 3854 * @see EditorInfo#privateImeOptions 3855 * @attr ref android.R.styleable#TextView_privateImeOptions 3856 */ 3857 public void setPrivateImeOptions(String type) { 3858 if (mInputContentType == null) mInputContentType = new InputContentType(); 3859 mInputContentType.privateImeOptions = type; 3860 } 3861 3862 /** 3863 * Get the private type of the content. 3864 * 3865 * @see #setPrivateImeOptions(String) 3866 * @see EditorInfo#privateImeOptions 3867 */ 3868 public String getPrivateImeOptions() { 3869 return mInputContentType != null 3870 ? mInputContentType.privateImeOptions : null; 3871 } 3872 3873 /** 3874 * Set the extra input data of the text, which is the 3875 * {@link EditorInfo#extras TextBoxAttribute.extras} 3876 * Bundle that will be filled in when creating an input connection. The 3877 * given integer is the resource ID of an XML resource holding an 3878 * {@link android.R.styleable#InputExtras <input-extras>} XML tree. 3879 * 3880 * @see #getInputExtras(boolean) 3881 * @see EditorInfo#extras 3882 * @attr ref android.R.styleable#TextView_editorExtras 3883 */ 3884 public void setInputExtras(int xmlResId) 3885 throws XmlPullParserException, IOException { 3886 XmlResourceParser parser = getResources().getXml(xmlResId); 3887 if (mInputContentType == null) mInputContentType = new InputContentType(); 3888 mInputContentType.extras = new Bundle(); 3889 getResources().parseBundleExtras(parser, mInputContentType.extras); 3890 } 3891 3892 /** 3893 * Retrieve the input extras currently associated with the text view, which 3894 * can be viewed as well as modified. 3895 * 3896 * @param create If true, the extras will be created if they don't already 3897 * exist. Otherwise, null will be returned if none have been created. 3898 * @see #setInputExtras(int) 3899 * @see EditorInfo#extras 3900 * @attr ref android.R.styleable#TextView_editorExtras 3901 */ 3902 public Bundle getInputExtras(boolean create) { 3903 if (mInputContentType == null) { 3904 if (!create) return null; 3905 mInputContentType = new InputContentType(); 3906 } 3907 if (mInputContentType.extras == null) { 3908 if (!create) return null; 3909 mInputContentType.extras = new Bundle(); 3910 } 3911 return mInputContentType.extras; 3912 } 3913 3914 /** 3915 * Returns the error message that was set to be displayed with 3916 * {@link #setError}, or <code>null</code> if no error was set 3917 * or if it the error was cleared by the widget after user input. 3918 */ 3919 public CharSequence getError() { 3920 return mError; 3921 } 3922 3923 /** 3924 * Sets the right-hand compound drawable of the TextView to the "error" 3925 * icon and sets an error message that will be displayed in a popup when 3926 * the TextView has focus. The icon and error message will be reset to 3927 * null when any key events cause changes to the TextView's text. If the 3928 * <code>error</code> is <code>null</code>, the error message and icon 3929 * will be cleared. 3930 */ 3931 @android.view.RemotableViewMethod 3932 public void setError(CharSequence error) { 3933 if (error == null) { 3934 setError(null, null); 3935 } else { 3936 Drawable dr = getContext().getResources(). 3937 getDrawable(com.android.internal.R.drawable.indicator_input_error); 3938 3939 dr.setBounds(0, 0, dr.getIntrinsicWidth(), dr.getIntrinsicHeight()); 3940 setError(error, dr); 3941 } 3942 } 3943 3944 /** 3945 * Sets the right-hand compound drawable of the TextView to the specified 3946 * icon and sets an error message that will be displayed in a popup when 3947 * the TextView has focus. The icon and error message will be reset to 3948 * null when any key events cause changes to the TextView's text. The 3949 * drawable must already have had {@link Drawable#setBounds} set on it. 3950 * If the <code>error</code> is <code>null</code>, the error message will 3951 * be cleared (and you should provide a <code>null</code> icon as well). 3952 */ 3953 public void setError(CharSequence error, Drawable icon) { 3954 error = TextUtils.stringOrSpannedString(error); 3955 3956 mError = error; 3957 mErrorWasChanged = true; 3958 final Drawables dr = mDrawables; 3959 if (dr != null) { 3960 switch (getResolvedLayoutDirection()) { 3961 default: 3962 case LAYOUT_DIRECTION_LTR: 3963 setCompoundDrawables(dr.mDrawableLeft, dr.mDrawableTop, icon, 3964 dr.mDrawableBottom); 3965 break; 3966 case LAYOUT_DIRECTION_RTL: 3967 setCompoundDrawables(icon, dr.mDrawableTop, dr.mDrawableRight, 3968 dr.mDrawableBottom); 3969 break; 3970 } 3971 } else { 3972 setCompoundDrawables(null, null, icon, null); 3973 } 3974 3975 if (error == null) { 3976 if (mPopup != null) { 3977 if (mPopup.isShowing()) { 3978 mPopup.dismiss(); 3979 } 3980 3981 mPopup = null; 3982 } 3983 } else { 3984 if (isFocused()) { 3985 showError(); 3986 } 3987 } 3988 } 3989 3990 private void showError() { 3991 if (getWindowToken() == null) { 3992 mShowErrorAfterAttach = true; 3993 return; 3994 } 3995 3996 if (mPopup == null) { 3997 LayoutInflater inflater = LayoutInflater.from(getContext()); 3998 final TextView err = (TextView) inflater.inflate( 3999 com.android.internal.R.layout.textview_hint, null); 4000 4001 final float scale = getResources().getDisplayMetrics().density; 4002 mPopup = new ErrorPopup(err, (int) (200 * scale + 0.5f), (int) (50 * scale + 0.5f)); 4003 mPopup.setFocusable(false); 4004 // The user is entering text, so the input method is needed. We 4005 // don't want the popup to be displayed on top of it. 4006 mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); 4007 } 4008 4009 TextView tv = (TextView) mPopup.getContentView(); 4010 chooseSize(mPopup, mError, tv); 4011 tv.setText(mError); 4012 4013 mPopup.showAsDropDown(this, getErrorX(), getErrorY()); 4014 mPopup.fixDirection(mPopup.isAboveAnchor()); 4015 } 4016 4017 private static class ErrorPopup extends PopupWindow { 4018 private boolean mAbove = false; 4019 private final TextView mView; 4020 private int mPopupInlineErrorBackgroundId = 0; 4021 private int mPopupInlineErrorAboveBackgroundId = 0; 4022 4023 ErrorPopup(TextView v, int width, int height) { 4024 super(v, width, height); 4025 mView = v; 4026 // Make sure the TextView has a background set as it will be used the first time it is 4027 // shown and positionned. Initialized with below background, which should have 4028 // dimensions identical to the above version for this to work (and is more likely). 4029 mPopupInlineErrorBackgroundId = getResourceId(mPopupInlineErrorBackgroundId, 4030 com.android.internal.R.styleable.Theme_errorMessageBackground); 4031 mView.setBackgroundResource(mPopupInlineErrorBackgroundId); 4032 } 4033 4034 void fixDirection(boolean above) { 4035 mAbove = above; 4036 4037 if (above) { 4038 mPopupInlineErrorAboveBackgroundId = 4039 getResourceId(mPopupInlineErrorAboveBackgroundId, 4040 com.android.internal.R.styleable.Theme_errorMessageAboveBackground); 4041 } else { 4042 mPopupInlineErrorBackgroundId = getResourceId(mPopupInlineErrorBackgroundId, 4043 com.android.internal.R.styleable.Theme_errorMessageBackground); 4044 } 4045 4046 mView.setBackgroundResource(above ? mPopupInlineErrorAboveBackgroundId : 4047 mPopupInlineErrorBackgroundId); 4048 } 4049 4050 private int getResourceId(int currentId, int index) { 4051 if (currentId == 0) { 4052 TypedArray styledAttributes = mView.getContext().obtainStyledAttributes( 4053 R.styleable.Theme); 4054 currentId = styledAttributes.getResourceId(index, 0); 4055 styledAttributes.recycle(); 4056 } 4057 return currentId; 4058 } 4059 4060 @Override 4061 public void update(int x, int y, int w, int h, boolean force) { 4062 super.update(x, y, w, h, force); 4063 4064 boolean above = isAboveAnchor(); 4065 if (above != mAbove) { 4066 fixDirection(above); 4067 } 4068 } 4069 } 4070 4071 /** 4072 * Returns the Y offset to make the pointy top of the error point 4073 * at the middle of the error icon. 4074 */ 4075 private int getErrorX() { 4076 /* 4077 * The "25" is the distance between the point and the right edge 4078 * of the background 4079 */ 4080 final float scale = getResources().getDisplayMetrics().density; 4081 4082 final Drawables dr = mDrawables; 4083 return getWidth() - mPopup.getWidth() - getPaddingRight() - 4084 (dr != null ? dr.mDrawableSizeRight : 0) / 2 + (int) (25 * scale + 0.5f); 4085 } 4086 4087 /** 4088 * Returns the Y offset to make the pointy top of the error point 4089 * at the bottom of the error icon. 4090 */ 4091 private int getErrorY() { 4092 /* 4093 * Compound, not extended, because the icon is not clipped 4094 * if the text height is smaller. 4095 */ 4096 final int compoundPaddingTop = getCompoundPaddingTop(); 4097 int vspace = mBottom - mTop - getCompoundPaddingBottom() - compoundPaddingTop; 4098 4099 final Drawables dr = mDrawables; 4100 int icontop = compoundPaddingTop + 4101 (vspace - (dr != null ? dr.mDrawableHeightRight : 0)) / 2; 4102 4103 /* 4104 * The "2" is the distance between the point and the top edge 4105 * of the background. 4106 */ 4107 final float scale = getResources().getDisplayMetrics().density; 4108 return icontop + (dr != null ? dr.mDrawableHeightRight : 0) - getHeight() - 4109 (int) (2 * scale + 0.5f); 4110 } 4111 4112 private void hideError() { 4113 if (mPopup != null) { 4114 if (mPopup.isShowing()) { 4115 mPopup.dismiss(); 4116 } 4117 } 4118 4119 mShowErrorAfterAttach = false; 4120 } 4121 4122 private void chooseSize(PopupWindow pop, CharSequence text, TextView tv) { 4123 int wid = tv.getPaddingLeft() + tv.getPaddingRight(); 4124 int ht = tv.getPaddingTop() + tv.getPaddingBottom(); 4125 4126 int defaultWidthInPixels = getResources().getDimensionPixelSize( 4127 com.android.internal.R.dimen.textview_error_popup_default_width); 4128 Layout l = new StaticLayout(text, tv.getPaint(), defaultWidthInPixels, 4129 Layout.Alignment.ALIGN_NORMAL, 1, 0, true); 4130 float max = 0; 4131 for (int i = 0; i < l.getLineCount(); i++) { 4132 max = Math.max(max, l.getLineWidth(i)); 4133 } 4134 4135 /* 4136 * Now set the popup size to be big enough for the text plus the border capped 4137 * to DEFAULT_MAX_POPUP_WIDTH 4138 */ 4139 pop.setWidth(wid + (int) Math.ceil(max)); 4140 pop.setHeight(ht + l.getHeight()); 4141 } 4142 4143 4144 @Override 4145 protected boolean setFrame(int l, int t, int r, int b) { 4146 boolean result = super.setFrame(l, t, r, b); 4147 4148 if (mPopup != null) { 4149 TextView tv = (TextView) mPopup.getContentView(); 4150 chooseSize(mPopup, mError, tv); 4151 mPopup.update(this, getErrorX(), getErrorY(), 4152 mPopup.getWidth(), mPopup.getHeight()); 4153 } 4154 4155 restartMarqueeIfNeeded(); 4156 4157 return result; 4158 } 4159 4160 private void restartMarqueeIfNeeded() { 4161 if (mRestartMarquee && mEllipsize == TextUtils.TruncateAt.MARQUEE) { 4162 mRestartMarquee = false; 4163 startMarquee(); 4164 } 4165 } 4166 4167 /** 4168 * Sets the list of input filters that will be used if the buffer is 4169 * Editable. Has no effect otherwise. 4170 * 4171 * @attr ref android.R.styleable#TextView_maxLength 4172 */ 4173 public void setFilters(InputFilter[] filters) { 4174 if (filters == null) { 4175 throw new IllegalArgumentException(); 4176 } 4177 4178 mFilters = filters; 4179 4180 if (mText instanceof Editable) { 4181 setFilters((Editable) mText, filters); 4182 } 4183 } 4184 4185 /** 4186 * Sets the list of input filters on the specified Editable, 4187 * and includes mInput in the list if it is an InputFilter. 4188 */ 4189 private void setFilters(Editable e, InputFilter[] filters) { 4190 if (mInput instanceof InputFilter) { 4191 InputFilter[] nf = new InputFilter[filters.length + 1]; 4192 4193 System.arraycopy(filters, 0, nf, 0, filters.length); 4194 nf[filters.length] = (InputFilter) mInput; 4195 4196 e.setFilters(nf); 4197 } else { 4198 e.setFilters(filters); 4199 } 4200 } 4201 4202 /** 4203 * Returns the current list of input filters. 4204 */ 4205 public InputFilter[] getFilters() { 4206 return mFilters; 4207 } 4208 4209 ///////////////////////////////////////////////////////////////////////// 4210 4211 private int getVerticalOffset(boolean forceNormal) { 4212 int voffset = 0; 4213 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4214 4215 Layout l = mLayout; 4216 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4217 l = mHintLayout; 4218 } 4219 4220 if (gravity != Gravity.TOP) { 4221 int boxht; 4222 4223 if (l == mHintLayout) { 4224 boxht = getMeasuredHeight() - getCompoundPaddingTop() - 4225 getCompoundPaddingBottom(); 4226 } else { 4227 boxht = getMeasuredHeight() - getExtendedPaddingTop() - 4228 getExtendedPaddingBottom(); 4229 } 4230 int textht = l.getHeight(); 4231 4232 if (textht < boxht) { 4233 if (gravity == Gravity.BOTTOM) 4234 voffset = boxht - textht; 4235 else // (gravity == Gravity.CENTER_VERTICAL) 4236 voffset = (boxht - textht) >> 1; 4237 } 4238 } 4239 return voffset; 4240 } 4241 4242 private int getBottomVerticalOffset(boolean forceNormal) { 4243 int voffset = 0; 4244 final int gravity = mGravity & Gravity.VERTICAL_GRAVITY_MASK; 4245 4246 Layout l = mLayout; 4247 if (!forceNormal && mText.length() == 0 && mHintLayout != null) { 4248 l = mHintLayout; 4249 } 4250 4251 if (gravity != Gravity.BOTTOM) { 4252 int boxht; 4253 4254 if (l == mHintLayout) { 4255 boxht = getMeasuredHeight() - getCompoundPaddingTop() - 4256 getCompoundPaddingBottom(); 4257 } else { 4258 boxht = getMeasuredHeight() - getExtendedPaddingTop() - 4259 getExtendedPaddingBottom(); 4260 } 4261 int textht = l.getHeight(); 4262 4263 if (textht < boxht) { 4264 if (gravity == Gravity.TOP) 4265 voffset = boxht - textht; 4266 else // (gravity == Gravity.CENTER_VERTICAL) 4267 voffset = (boxht - textht) >> 1; 4268 } 4269 } 4270 return voffset; 4271 } 4272 4273 private void invalidateCursorPath() { 4274 if (mHighlightPathBogus) { 4275 invalidateCursor(); 4276 } else { 4277 final int horizontalPadding = getCompoundPaddingLeft(); 4278 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4279 4280 if (mCursorCount == 0) { 4281 synchronized (sTempRect) { 4282 /* 4283 * The reason for this concern about the thickness of the 4284 * cursor and doing the floor/ceil on the coordinates is that 4285 * some EditTexts (notably textfields in the Browser) have 4286 * anti-aliased text where not all the characters are 4287 * necessarily at integer-multiple locations. This should 4288 * make sure the entire cursor gets invalidated instead of 4289 * sometimes missing half a pixel. 4290 */ 4291 float thick = FloatMath.ceil(mTextPaint.getStrokeWidth()); 4292 if (thick < 1.0f) { 4293 thick = 1.0f; 4294 } 4295 4296 thick /= 2.0f; 4297 4298 mHighlightPath.computeBounds(sTempRect, false); 4299 4300 invalidate((int) FloatMath.floor(horizontalPadding + sTempRect.left - thick), 4301 (int) FloatMath.floor(verticalPadding + sTempRect.top - thick), 4302 (int) FloatMath.ceil(horizontalPadding + sTempRect.right + thick), 4303 (int) FloatMath.ceil(verticalPadding + sTempRect.bottom + thick)); 4304 } 4305 } else { 4306 for (int i = 0; i < mCursorCount; i++) { 4307 Rect bounds = mCursorDrawable[i].getBounds(); 4308 invalidate(bounds.left + horizontalPadding, bounds.top + verticalPadding, 4309 bounds.right + horizontalPadding, bounds.bottom + verticalPadding); 4310 } 4311 } 4312 } 4313 } 4314 4315 private void invalidateCursor() { 4316 int where = getSelectionEnd(); 4317 4318 invalidateCursor(where, where, where); 4319 } 4320 4321 private void invalidateCursor(int a, int b, int c) { 4322 if (a >= 0 || b >= 0 || c >= 0) { 4323 int start = Math.min(Math.min(a, b), c); 4324 int end = Math.max(Math.max(a, b), c); 4325 invalidateRegion(start, end, true /* Also invalidates blinking cursor */); 4326 } 4327 } 4328 4329 /** 4330 * Invalidates the region of text enclosed between the start and end text offsets. 4331 * 4332 * @hide 4333 */ 4334 void invalidateRegion(int start, int end, boolean invalidateCursor) { 4335 if (mLayout == null) { 4336 invalidate(); 4337 } else { 4338 int lineStart = mLayout.getLineForOffset(start); 4339 int top = mLayout.getLineTop(lineStart); 4340 4341 // This is ridiculous, but the descent from the line above 4342 // can hang down into the line we really want to redraw, 4343 // so we have to invalidate part of the line above to make 4344 // sure everything that needs to be redrawn really is. 4345 // (But not the whole line above, because that would cause 4346 // the same problem with the descenders on the line above it!) 4347 if (lineStart > 0) { 4348 top -= mLayout.getLineDescent(lineStart - 1); 4349 } 4350 4351 int lineEnd; 4352 4353 if (start == end) 4354 lineEnd = lineStart; 4355 else 4356 lineEnd = mLayout.getLineForOffset(end); 4357 4358 int bottom = mLayout.getLineBottom(lineEnd); 4359 4360 if (invalidateCursor) { 4361 for (int i = 0; i < mCursorCount; i++) { 4362 Rect bounds = mCursorDrawable[i].getBounds(); 4363 top = Math.min(top, bounds.top); 4364 bottom = Math.max(bottom, bounds.bottom); 4365 } 4366 } 4367 4368 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4369 final int verticalPadding = getExtendedPaddingTop() + getVerticalOffset(true); 4370 4371 int left, right; 4372 if (lineStart == lineEnd && !invalidateCursor) { 4373 left = (int) mLayout.getPrimaryHorizontal(start); 4374 right = (int) (mLayout.getPrimaryHorizontal(end) + 1.0); 4375 left += compoundPaddingLeft; 4376 right += compoundPaddingLeft; 4377 } else { 4378 // Rectangle bounding box when the region spans several lines 4379 left = compoundPaddingLeft; 4380 right = getWidth() - getCompoundPaddingRight(); 4381 } 4382 4383 invalidate(mScrollX + left, verticalPadding + top, 4384 mScrollX + right, verticalPadding + bottom); 4385 } 4386 } 4387 4388 private void registerForPreDraw() { 4389 final ViewTreeObserver observer = getViewTreeObserver(); 4390 4391 if (mPreDrawState == PREDRAW_NOT_REGISTERED) { 4392 observer.addOnPreDrawListener(this); 4393 mPreDrawState = PREDRAW_PENDING; 4394 } else if (mPreDrawState == PREDRAW_DONE) { 4395 mPreDrawState = PREDRAW_PENDING; 4396 } 4397 4398 // else state is PREDRAW_PENDING, so keep waiting. 4399 } 4400 4401 /** 4402 * {@inheritDoc} 4403 */ 4404 public boolean onPreDraw() { 4405 if (mPreDrawState != PREDRAW_PENDING) { 4406 return true; 4407 } 4408 4409 if (mLayout == null) { 4410 assumeLayout(); 4411 } 4412 4413 boolean changed = false; 4414 4415 if (mMovement != null) { 4416 /* This code also provides auto-scrolling when a cursor is moved using a 4417 * CursorController (insertion point or selection limits). 4418 * For selection, ensure start or end is visible depending on controller's state. 4419 */ 4420 int curs = getSelectionEnd(); 4421 // Do not create the controller if it is not already created. 4422 if (mSelectionModifierCursorController != null && 4423 mSelectionModifierCursorController.isSelectionStartDragged()) { 4424 curs = getSelectionStart(); 4425 } 4426 4427 /* 4428 * TODO: This should really only keep the end in view if 4429 * it already was before the text changed. I'm not sure 4430 * of a good way to tell from here if it was. 4431 */ 4432 if (curs < 0 && 4433 (mGravity & Gravity.VERTICAL_GRAVITY_MASK) == Gravity.BOTTOM) { 4434 curs = mText.length(); 4435 } 4436 4437 if (curs >= 0) { 4438 changed = bringPointIntoView(curs); 4439 } 4440 } else { 4441 changed = bringTextIntoView(); 4442 } 4443 4444 // This has to be checked here since: 4445 // - onFocusChanged cannot start it when focus is given to a view with selected text (after 4446 // a screen rotation) since layout is not yet initialized at that point. 4447 if (mCreatedWithASelection) { 4448 startSelectionActionMode(); 4449 mCreatedWithASelection = false; 4450 } 4451 4452 // Phone specific code (there is no ExtractEditText on tablets). 4453 // ExtractEditText does not call onFocus when it is displayed, and mHasSelectionOnFocus can 4454 // not be set. Do the test here instead. 4455 if (this instanceof ExtractEditText && hasSelection()) { 4456 startSelectionActionMode(); 4457 } 4458 4459 mPreDrawState = PREDRAW_DONE; 4460 return !changed; 4461 } 4462 4463 @Override 4464 protected void onAttachedToWindow() { 4465 super.onAttachedToWindow(); 4466 4467 mTemporaryDetach = false; 4468 4469 if (mShowErrorAfterAttach) { 4470 showError(); 4471 mShowErrorAfterAttach = false; 4472 } 4473 4474 final ViewTreeObserver observer = getViewTreeObserver(); 4475 // No need to create the controller. 4476 // The get method will add the listener on controller creation. 4477 if (mInsertionPointCursorController != null) { 4478 observer.addOnTouchModeChangeListener(mInsertionPointCursorController); 4479 } 4480 if (mSelectionModifierCursorController != null) { 4481 observer.addOnTouchModeChangeListener(mSelectionModifierCursorController); 4482 } 4483 4484 // Resolve drawables as the layout direction has been resolved 4485 resolveDrawables(); 4486 4487 updateSpellCheckSpans(0, mText.length(), true /* create the spell checker if needed */); 4488 } 4489 4490 @Override 4491 protected void onDetachedFromWindow() { 4492 super.onDetachedFromWindow(); 4493 4494 final ViewTreeObserver observer = getViewTreeObserver(); 4495 if (mPreDrawState != PREDRAW_NOT_REGISTERED) { 4496 observer.removeOnPreDrawListener(this); 4497 mPreDrawState = PREDRAW_NOT_REGISTERED; 4498 } 4499 4500 if (mError != null) { 4501 hideError(); 4502 } 4503 4504 if (mBlink != null) { 4505 mBlink.removeCallbacks(mBlink); 4506 } 4507 4508 if (mInsertionPointCursorController != null) { 4509 mInsertionPointCursorController.onDetached(); 4510 } 4511 4512 if (mSelectionModifierCursorController != null) { 4513 mSelectionModifierCursorController.onDetached(); 4514 } 4515 4516 hideControllers(); 4517 4518 resetResolvedDrawables(); 4519 4520 if (mSpellChecker != null) { 4521 mSpellChecker.closeSession(); 4522 // Forces the creation of a new SpellChecker next time this window is created. 4523 // Will handle the cases where the settings has been changed in the meantime. 4524 mSpellChecker = null; 4525 } 4526 } 4527 4528 @Override 4529 protected boolean isPaddingOffsetRequired() { 4530 return mShadowRadius != 0 || mDrawables != null; 4531 } 4532 4533 @Override 4534 protected int getLeftPaddingOffset() { 4535 return getCompoundPaddingLeft() - mPaddingLeft + 4536 (int) Math.min(0, mShadowDx - mShadowRadius); 4537 } 4538 4539 @Override 4540 protected int getTopPaddingOffset() { 4541 return (int) Math.min(0, mShadowDy - mShadowRadius); 4542 } 4543 4544 @Override 4545 protected int getBottomPaddingOffset() { 4546 return (int) Math.max(0, mShadowDy + mShadowRadius); 4547 } 4548 4549 @Override 4550 protected int getRightPaddingOffset() { 4551 return -(getCompoundPaddingRight() - mPaddingRight) + 4552 (int) Math.max(0, mShadowDx + mShadowRadius); 4553 } 4554 4555 @Override 4556 protected boolean verifyDrawable(Drawable who) { 4557 final boolean verified = super.verifyDrawable(who); 4558 if (!verified && mDrawables != null) { 4559 return who == mDrawables.mDrawableLeft || who == mDrawables.mDrawableTop || 4560 who == mDrawables.mDrawableRight || who == mDrawables.mDrawableBottom || 4561 who == mDrawables.mDrawableStart || who == mDrawables.mDrawableEnd; 4562 } 4563 return verified; 4564 } 4565 4566 @Override 4567 public void jumpDrawablesToCurrentState() { 4568 super.jumpDrawablesToCurrentState(); 4569 if (mDrawables != null) { 4570 if (mDrawables.mDrawableLeft != null) { 4571 mDrawables.mDrawableLeft.jumpToCurrentState(); 4572 } 4573 if (mDrawables.mDrawableTop != null) { 4574 mDrawables.mDrawableTop.jumpToCurrentState(); 4575 } 4576 if (mDrawables.mDrawableRight != null) { 4577 mDrawables.mDrawableRight.jumpToCurrentState(); 4578 } 4579 if (mDrawables.mDrawableBottom != null) { 4580 mDrawables.mDrawableBottom.jumpToCurrentState(); 4581 } 4582 if (mDrawables.mDrawableStart != null) { 4583 mDrawables.mDrawableStart.jumpToCurrentState(); 4584 } 4585 if (mDrawables.mDrawableEnd != null) { 4586 mDrawables.mDrawableEnd.jumpToCurrentState(); 4587 } 4588 } 4589 } 4590 4591 @Override 4592 public void invalidateDrawable(Drawable drawable) { 4593 if (verifyDrawable(drawable)) { 4594 final Rect dirty = drawable.getBounds(); 4595 int scrollX = mScrollX; 4596 int scrollY = mScrollY; 4597 4598 // IMPORTANT: The coordinates below are based on the coordinates computed 4599 // for each compound drawable in onDraw(). Make sure to update each section 4600 // accordingly. 4601 final TextView.Drawables drawables = mDrawables; 4602 if (drawables != null) { 4603 if (drawable == drawables.mDrawableLeft) { 4604 final int compoundPaddingTop = getCompoundPaddingTop(); 4605 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4606 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 4607 4608 scrollX += mPaddingLeft; 4609 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightLeft) / 2; 4610 } else if (drawable == drawables.mDrawableRight) { 4611 final int compoundPaddingTop = getCompoundPaddingTop(); 4612 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4613 final int vspace = mBottom - mTop - compoundPaddingBottom - compoundPaddingTop; 4614 4615 scrollX += (mRight - mLeft - mPaddingRight - drawables.mDrawableSizeRight); 4616 scrollY += compoundPaddingTop + (vspace - drawables.mDrawableHeightRight) / 2; 4617 } else if (drawable == drawables.mDrawableTop) { 4618 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4619 final int compoundPaddingRight = getCompoundPaddingRight(); 4620 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 4621 4622 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthTop) / 2; 4623 scrollY += mPaddingTop; 4624 } else if (drawable == drawables.mDrawableBottom) { 4625 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4626 final int compoundPaddingRight = getCompoundPaddingRight(); 4627 final int hspace = mRight - mLeft - compoundPaddingRight - compoundPaddingLeft; 4628 4629 scrollX += compoundPaddingLeft + (hspace - drawables.mDrawableWidthBottom) / 2; 4630 scrollY += (mBottom - mTop - mPaddingBottom - drawables.mDrawableSizeBottom); 4631 } 4632 } 4633 4634 invalidate(dirty.left + scrollX, dirty.top + scrollY, 4635 dirty.right + scrollX, dirty.bottom + scrollY); 4636 } 4637 } 4638 4639 /** 4640 * @hide 4641 */ 4642 @Override 4643 public int getResolvedLayoutDirection(Drawable who) { 4644 if (who == null) return View.LAYOUT_DIRECTION_LTR; 4645 if (mDrawables != null) { 4646 final Drawables drawables = mDrawables; 4647 if (who == drawables.mDrawableLeft || who == drawables.mDrawableRight || 4648 who == drawables.mDrawableTop || who == drawables.mDrawableBottom || 4649 who == drawables.mDrawableStart || who == drawables.mDrawableEnd) { 4650 return getResolvedLayoutDirection(); 4651 } 4652 } 4653 return super.getResolvedLayoutDirection(who); 4654 } 4655 4656 @Override 4657 protected boolean onSetAlpha(int alpha) { 4658 // Alpha is supported if and only if the drawing can be done in one pass. 4659 // TODO text with spans with a background color currently do not respect this alpha. 4660 if (getBackground() == null) { 4661 mCurrentAlpha = alpha; 4662 final Drawables dr = mDrawables; 4663 if (dr != null) { 4664 if (dr.mDrawableLeft != null) dr.mDrawableLeft.mutate().setAlpha(alpha); 4665 if (dr.mDrawableTop != null) dr.mDrawableTop.mutate().setAlpha(alpha); 4666 if (dr.mDrawableRight != null) dr.mDrawableRight.mutate().setAlpha(alpha); 4667 if (dr.mDrawableBottom != null) dr.mDrawableBottom.mutate().setAlpha(alpha); 4668 if (dr.mDrawableStart != null) dr.mDrawableStart.mutate().setAlpha(alpha); 4669 if (dr.mDrawableEnd != null) dr.mDrawableEnd.mutate().setAlpha(alpha); 4670 } 4671 return true; 4672 } 4673 4674 mCurrentAlpha = 255; 4675 return false; 4676 } 4677 4678 /** 4679 * When a TextView is used to display a useful piece of information to the user (such as a 4680 * contact's address), it should be made selectable, so that the user can select and copy this 4681 * content. 4682 * 4683 * Use {@link #setTextIsSelectable(boolean)} or the 4684 * {@link android.R.styleable#TextView_textIsSelectable} XML attribute to make this TextView 4685 * selectable (text is not selectable by default). 4686 * 4687 * Note that this method simply returns the state of this flag. Although this flag has to be set 4688 * in order to select text in non-editable TextView, the content of an {@link EditText} can 4689 * always be selected, independently of the value of this flag. 4690 * 4691 * @return True if the text displayed in this TextView can be selected by the user. 4692 * 4693 * @attr ref android.R.styleable#TextView_textIsSelectable 4694 */ 4695 public boolean isTextSelectable() { 4696 return mTextIsSelectable; 4697 } 4698 4699 /** 4700 * Sets whether or not (default) the content of this view is selectable by the user. 4701 * 4702 * Note that this methods affect the {@link #setFocusable(boolean)}, 4703 * {@link #setFocusableInTouchMode(boolean)} {@link #setClickable(boolean)} and 4704 * {@link #setLongClickable(boolean)} states and you may want to restore these if they were 4705 * customized. 4706 * 4707 * See {@link #isTextSelectable} for details. 4708 * 4709 * @param selectable Whether or not the content of this TextView should be selectable. 4710 */ 4711 public void setTextIsSelectable(boolean selectable) { 4712 if (mTextIsSelectable == selectable) return; 4713 4714 mTextIsSelectable = selectable; 4715 4716 setFocusableInTouchMode(selectable); 4717 setFocusable(selectable); 4718 setClickable(selectable); 4719 setLongClickable(selectable); 4720 4721 // mInputType is already EditorInfo.TYPE_NULL and mInput is null; 4722 4723 setMovementMethod(selectable ? ArrowKeyMovementMethod.getInstance() : null); 4724 setText(getText(), selectable ? BufferType.SPANNABLE : BufferType.NORMAL); 4725 4726 // Called by setText above, but safer in case of future code changes 4727 prepareCursorControllers(); 4728 } 4729 4730 @Override 4731 protected int[] onCreateDrawableState(int extraSpace) { 4732 final int[] drawableState; 4733 4734 if (mSingleLine) { 4735 drawableState = super.onCreateDrawableState(extraSpace); 4736 } else { 4737 drawableState = super.onCreateDrawableState(extraSpace + 1); 4738 mergeDrawableStates(drawableState, MULTILINE_STATE_SET); 4739 } 4740 4741 if (mTextIsSelectable) { 4742 // Disable pressed state, which was introduced when TextView was made clickable. 4743 // Prevents text color change. 4744 // setClickable(false) would have a similar effect, but it also disables focus changes 4745 // and long press actions, which are both needed by text selection. 4746 final int length = drawableState.length; 4747 for (int i = 0; i < length; i++) { 4748 if (drawableState[i] == R.attr.state_pressed) { 4749 final int[] nonPressedState = new int[length - 1]; 4750 System.arraycopy(drawableState, 0, nonPressedState, 0, i); 4751 System.arraycopy(drawableState, i + 1, nonPressedState, i, length - i - 1); 4752 return nonPressedState; 4753 } 4754 } 4755 } 4756 4757 return drawableState; 4758 } 4759 4760 @Override 4761 protected void onDraw(Canvas canvas) { 4762 if (mPreDrawState == PREDRAW_DONE) { 4763 final ViewTreeObserver observer = getViewTreeObserver(); 4764 observer.removeOnPreDrawListener(this); 4765 mPreDrawState = PREDRAW_NOT_REGISTERED; 4766 } 4767 4768 if (mCurrentAlpha <= ViewConfiguration.ALPHA_THRESHOLD_INT) return; 4769 4770 restartMarqueeIfNeeded(); 4771 4772 // Draw the background for this view 4773 super.onDraw(canvas); 4774 4775 final int compoundPaddingLeft = getCompoundPaddingLeft(); 4776 final int compoundPaddingTop = getCompoundPaddingTop(); 4777 final int compoundPaddingRight = getCompoundPaddingRight(); 4778 final int compoundPaddingBottom = getCompoundPaddingBottom(); 4779 final int scrollX = mScrollX; 4780 final int scrollY = mScrollY; 4781 final int right = mRight; 4782 final int left = mLeft; 4783 final int bottom = mBottom; 4784 final int top = mTop; 4785 4786 final Drawables dr = mDrawables; 4787 if (dr != null) { 4788 /* 4789 * Compound, not extended, because the icon is not clipped 4790 * if the text height is smaller. 4791 */ 4792 4793 int vspace = bottom - top - compoundPaddingBottom - compoundPaddingTop; 4794 int hspace = right - left - compoundPaddingRight - compoundPaddingLeft; 4795 4796 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4797 // Make sure to update invalidateDrawable() when changing this code. 4798 if (dr.mDrawableLeft != null) { 4799 canvas.save(); 4800 canvas.translate(scrollX + mPaddingLeft, 4801 scrollY + compoundPaddingTop + 4802 (vspace - dr.mDrawableHeightLeft) / 2); 4803 dr.mDrawableLeft.draw(canvas); 4804 canvas.restore(); 4805 } 4806 4807 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4808 // Make sure to update invalidateDrawable() when changing this code. 4809 if (dr.mDrawableRight != null) { 4810 canvas.save(); 4811 canvas.translate(scrollX + right - left - mPaddingRight - dr.mDrawableSizeRight, 4812 scrollY + compoundPaddingTop + (vspace - dr.mDrawableHeightRight) / 2); 4813 dr.mDrawableRight.draw(canvas); 4814 canvas.restore(); 4815 } 4816 4817 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4818 // Make sure to update invalidateDrawable() when changing this code. 4819 if (dr.mDrawableTop != null) { 4820 canvas.save(); 4821 canvas.translate(scrollX + compoundPaddingLeft + (hspace - dr.mDrawableWidthTop) / 2, 4822 scrollY + mPaddingTop); 4823 dr.mDrawableTop.draw(canvas); 4824 canvas.restore(); 4825 } 4826 4827 // IMPORTANT: The coordinates computed are also used in invalidateDrawable() 4828 // Make sure to update invalidateDrawable() when changing this code. 4829 if (dr.mDrawableBottom != null) { 4830 canvas.save(); 4831 canvas.translate(scrollX + compoundPaddingLeft + 4832 (hspace - dr.mDrawableWidthBottom) / 2, 4833 scrollY + bottom - top - mPaddingBottom - dr.mDrawableSizeBottom); 4834 dr.mDrawableBottom.draw(canvas); 4835 canvas.restore(); 4836 } 4837 } 4838 4839 int color = mCurTextColor; 4840 4841 if (mLayout == null) { 4842 assumeLayout(); 4843 } 4844 4845 Layout layout = mLayout; 4846 int cursorcolor = color; 4847 4848 if (mHint != null && mText.length() == 0) { 4849 if (mHintTextColor != null) { 4850 color = mCurHintTextColor; 4851 } 4852 4853 layout = mHintLayout; 4854 } 4855 4856 mTextPaint.setColor(color); 4857 if (mCurrentAlpha != 255) { 4858 // If set, the alpha will override the color's alpha. Multiply the alphas. 4859 mTextPaint.setAlpha((mCurrentAlpha * Color.alpha(color)) / 255); 4860 } 4861 mTextPaint.drawableState = getDrawableState(); 4862 4863 canvas.save(); 4864 /* Would be faster if we didn't have to do this. Can we chop the 4865 (displayable) text so that we don't need to do this ever? 4866 */ 4867 4868 int extendedPaddingTop = getExtendedPaddingTop(); 4869 int extendedPaddingBottom = getExtendedPaddingBottom(); 4870 4871 float clipLeft = compoundPaddingLeft + scrollX; 4872 float clipTop = extendedPaddingTop + scrollY; 4873 float clipRight = right - left - compoundPaddingRight + scrollX; 4874 float clipBottom = bottom - top - extendedPaddingBottom + scrollY; 4875 4876 if (mShadowRadius != 0) { 4877 clipLeft += Math.min(0, mShadowDx - mShadowRadius); 4878 clipRight += Math.max(0, mShadowDx + mShadowRadius); 4879 4880 clipTop += Math.min(0, mShadowDy - mShadowRadius); 4881 clipBottom += Math.max(0, mShadowDy + mShadowRadius); 4882 } 4883 4884 canvas.clipRect(clipLeft, clipTop, clipRight, clipBottom); 4885 4886 int voffsetText = 0; 4887 int voffsetCursor = 0; 4888 4889 // translate in by our padding 4890 { 4891 /* shortcircuit calling getVerticaOffset() */ 4892 if ((mGravity & Gravity.VERTICAL_GRAVITY_MASK) != Gravity.TOP) { 4893 voffsetText = getVerticalOffset(false); 4894 voffsetCursor = getVerticalOffset(true); 4895 } 4896 canvas.translate(compoundPaddingLeft, extendedPaddingTop + voffsetText); 4897 } 4898 4899 final int layoutDirection = getResolvedLayoutDirection(); 4900 final int absoluteGravity = Gravity.getAbsoluteGravity(mGravity, layoutDirection); 4901 if (mEllipsize == TextUtils.TruncateAt.MARQUEE && 4902 mMarqueeFadeMode != MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) { 4903 if (!mSingleLine && getLineCount() == 1 && canMarquee() && 4904 (absoluteGravity & Gravity.HORIZONTAL_GRAVITY_MASK) != Gravity.LEFT) { 4905 canvas.translate(mLayout.getLineRight(0) - (mRight - mLeft - 4906 getCompoundPaddingLeft() - getCompoundPaddingRight()), 0.0f); 4907 } 4908 4909 if (mMarquee != null && mMarquee.isRunning()) { 4910 canvas.translate(-mMarquee.mScroll, 0.0f); 4911 } 4912 } 4913 4914 Path highlight = null; 4915 int selStart = -1, selEnd = -1; 4916 boolean drawCursor = false; 4917 4918 // If there is no movement method, then there can be no selection. 4919 // Check that first and attempt to skip everything having to do with 4920 // the cursor. 4921 // XXX This is not strictly true -- a program could set the 4922 // selection manually if it really wanted to. 4923 if (mMovement != null && (isFocused() || isPressed())) { 4924 selStart = getSelectionStart(); 4925 selEnd = getSelectionEnd(); 4926 4927 if (selStart >= 0) { 4928 if (mHighlightPath == null) mHighlightPath = new Path(); 4929 4930 if (selStart == selEnd) { 4931 if (isCursorVisible() && 4932 (SystemClock.uptimeMillis() - mShowCursor) % (2 * BLINK) < BLINK) { 4933 if (mHighlightPathBogus) { 4934 mHighlightPath.reset(); 4935 mLayout.getCursorPath(selStart, mHighlightPath, mText); 4936 updateCursorsPositions(); 4937 mHighlightPathBogus = false; 4938 } 4939 4940 // XXX should pass to skin instead of drawing directly 4941 mHighlightPaint.setColor(cursorcolor); 4942 if (mCurrentAlpha != 255) { 4943 mHighlightPaint.setAlpha( 4944 (mCurrentAlpha * Color.alpha(cursorcolor)) / 255); 4945 } 4946 mHighlightPaint.setStyle(Paint.Style.STROKE); 4947 highlight = mHighlightPath; 4948 drawCursor = mCursorCount > 0; 4949 } 4950 } else if (textCanBeSelected()) { 4951 if (mHighlightPathBogus) { 4952 mHighlightPath.reset(); 4953 mLayout.getSelectionPath(selStart, selEnd, mHighlightPath); 4954 mHighlightPathBogus = false; 4955 } 4956 4957 // XXX should pass to skin instead of drawing directly 4958 mHighlightPaint.setColor(mHighlightColor); 4959 if (mCurrentAlpha != 255) { 4960 mHighlightPaint.setAlpha( 4961 (mCurrentAlpha * Color.alpha(mHighlightColor)) / 255); 4962 } 4963 mHighlightPaint.setStyle(Paint.Style.FILL); 4964 4965 highlight = mHighlightPath; 4966 } 4967 } 4968 } 4969 4970 /* Comment out until we decide what to do about animations 4971 boolean isLinearTextOn = false; 4972 if (currentTransformation != null) { 4973 isLinearTextOn = mTextPaint.isLinearTextOn(); 4974 Matrix m = currentTransformation.getMatrix(); 4975 if (!m.isIdentity()) { 4976 // mTextPaint.setLinearTextOn(true); 4977 } 4978 } 4979 */ 4980 4981 final InputMethodState ims = mInputMethodState; 4982 final int cursorOffsetVertical = voffsetCursor - voffsetText; 4983 if (ims != null && ims.mBatchEditNesting == 0) { 4984 InputMethodManager imm = InputMethodManager.peekInstance(); 4985 if (imm != null) { 4986 if (imm.isActive(this)) { 4987 boolean reported = false; 4988 if (ims.mContentChanged || ims.mSelectionModeChanged) { 4989 // We are in extract mode and the content has changed 4990 // in some way... just report complete new text to the 4991 // input method. 4992 reported = reportExtractedText(); 4993 } 4994 if (!reported && highlight != null) { 4995 int candStart = -1; 4996 int candEnd = -1; 4997 if (mText instanceof Spannable) { 4998 Spannable sp = (Spannable)mText; 4999 candStart = EditableInputConnection.getComposingSpanStart(sp); 5000 candEnd = EditableInputConnection.getComposingSpanEnd(sp); 5001 } 5002 imm.updateSelection(this, selStart, selEnd, candStart, candEnd); 5003 } 5004 } 5005 5006 if (imm.isWatchingCursor(this) && highlight != null) { 5007 highlight.computeBounds(ims.mTmpRectF, true); 5008 ims.mTmpOffset[0] = ims.mTmpOffset[1] = 0; 5009 5010 canvas.getMatrix().mapPoints(ims.mTmpOffset); 5011 ims.mTmpRectF.offset(ims.mTmpOffset[0], ims.mTmpOffset[1]); 5012 5013 ims.mTmpRectF.offset(0, cursorOffsetVertical); 5014 5015 ims.mCursorRectInWindow.set((int)(ims.mTmpRectF.left + 0.5), 5016 (int)(ims.mTmpRectF.top + 0.5), 5017 (int)(ims.mTmpRectF.right + 0.5), 5018 (int)(ims.mTmpRectF.bottom + 0.5)); 5019 5020 imm.updateCursor(this, 5021 ims.mCursorRectInWindow.left, ims.mCursorRectInWindow.top, 5022 ims.mCursorRectInWindow.right, ims.mCursorRectInWindow.bottom); 5023 } 5024 } 5025 } 5026 5027 if (mCorrectionHighlighter != null) { 5028 mCorrectionHighlighter.draw(canvas, cursorOffsetVertical); 5029 } 5030 5031 if (drawCursor) { 5032 drawCursor(canvas, cursorOffsetVertical); 5033 // Rely on the drawable entirely, do not draw the cursor line. 5034 // Has to be done after the IMM related code above which relies on the highlight. 5035 highlight = null; 5036 } 5037 5038 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5039 5040 if (mMarquee != null && mMarquee.shouldDrawGhost()) { 5041 canvas.translate((int) mMarquee.getGhostOffset(), 0.0f); 5042 layout.draw(canvas, highlight, mHighlightPaint, cursorOffsetVertical); 5043 } 5044 5045 /* Comment out until we decide what to do about animations 5046 if (currentTransformation != null) { 5047 mTextPaint.setLinearTextOn(isLinearTextOn); 5048 } 5049 */ 5050 5051 canvas.restore(); 5052 } 5053 5054 private void updateCursorsPositions() { 5055 if (mCursorDrawableRes == 0) { 5056 mCursorCount = 0; 5057 return; 5058 } 5059 5060 final int offset = getSelectionStart(); 5061 final int line = mLayout.getLineForOffset(offset); 5062 final int top = mLayout.getLineTop(line); 5063 final int bottom = mLayout.getLineTop(line + 1); 5064 5065 mCursorCount = mLayout.isLevelBoundary(offset) ? 2 : 1; 5066 5067 int middle = bottom; 5068 if (mCursorCount == 2) { 5069 // Similar to what is done in {@link Layout.#getCursorPath(int, Path, CharSequence)} 5070 middle = (top + bottom) >> 1; 5071 } 5072 5073 updateCursorPosition(0, top, middle, mLayout.getPrimaryHorizontal(offset)); 5074 5075 if (mCursorCount == 2) { 5076 updateCursorPosition(1, middle, bottom, mLayout.getSecondaryHorizontal(offset)); 5077 } 5078 } 5079 5080 private void updateCursorPosition(int cursorIndex, int top, int bottom, float horizontal) { 5081 if (mCursorDrawable[cursorIndex] == null) 5082 mCursorDrawable[cursorIndex] = mContext.getResources().getDrawable(mCursorDrawableRes); 5083 5084 if (mTempRect == null) mTempRect = new Rect(); 5085 5086 mCursorDrawable[cursorIndex].getPadding(mTempRect); 5087 final int width = mCursorDrawable[cursorIndex].getIntrinsicWidth(); 5088 horizontal = Math.max(0.5f, horizontal - 0.5f); 5089 final int left = (int) (horizontal) - mTempRect.left; 5090 mCursorDrawable[cursorIndex].setBounds(left, top - mTempRect.top, left + width, 5091 bottom + mTempRect.bottom); 5092 } 5093 5094 private void drawCursor(Canvas canvas, int cursorOffsetVertical) { 5095 final boolean translate = cursorOffsetVertical != 0; 5096 if (translate) canvas.translate(0, cursorOffsetVertical); 5097 for (int i = 0; i < mCursorCount; i++) { 5098 mCursorDrawable[i].draw(canvas); 5099 } 5100 if (translate) canvas.translate(0, -cursorOffsetVertical); 5101 } 5102 5103 @Override 5104 public void getFocusedRect(Rect r) { 5105 if (mLayout == null) { 5106 super.getFocusedRect(r); 5107 return; 5108 } 5109 5110 int selEnd = getSelectionEnd(); 5111 if (selEnd < 0) { 5112 super.getFocusedRect(r); 5113 return; 5114 } 5115 5116 int selStart = getSelectionStart(); 5117 if (selStart < 0 || selStart >= selEnd) { 5118 int line = mLayout.getLineForOffset(selEnd); 5119 r.top = mLayout.getLineTop(line); 5120 r.bottom = mLayout.getLineBottom(line); 5121 r.left = (int) mLayout.getPrimaryHorizontal(selEnd) - 2; 5122 r.right = r.left + 4; 5123 } else { 5124 int lineStart = mLayout.getLineForOffset(selStart); 5125 int lineEnd = mLayout.getLineForOffset(selEnd); 5126 r.top = mLayout.getLineTop(lineStart); 5127 r.bottom = mLayout.getLineBottom(lineEnd); 5128 if (lineStart == lineEnd) { 5129 r.left = (int) mLayout.getPrimaryHorizontal(selStart); 5130 r.right = (int) mLayout.