1 /* 2 * Copyright (C) 2007 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.app; 18 19 import com.android.internal.app.AlertController; 20 21 import android.content.Context; 22 import android.content.DialogInterface; 23 import android.database.Cursor; 24 import android.graphics.drawable.Drawable; 25 import android.os.Bundle; 26 import android.os.Message; 27 import android.util.TypedValue; 28 import android.view.ContextThemeWrapper; 29 import android.view.KeyEvent; 30 import android.view.View; 31 import android.view.WindowManager; 32 import android.widget.AdapterView; 33 import android.widget.Button; 34 import android.widget.ListAdapter; 35 import android.widget.ListView; 36 37 /** 38 * A subclass of Dialog that can display one, two or three buttons. If you only want to 39 * display a String in this dialog box, use the setMessage() method. If you 40 * want to display a more complex view, look up the FrameLayout called "custom" 41 * and add your view to it: 42 * 43 * <pre> 44 * FrameLayout fl = (FrameLayout) findViewById(android.R.id.custom); 45 * fl.addView(myView, new LayoutParams(MATCH_PARENT, WRAP_CONTENT)); 46 * </pre> 47 * 48 * <p>The AlertDialog class takes care of automatically setting 49 * {@link WindowManager.LayoutParams#FLAG_ALT_FOCUSABLE_IM 50 * WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM} for you based on whether 51 * any views in the dialog return true from {@link View#onCheckIsTextEditor() 52 * View.onCheckIsTextEditor()}. Generally you want this set for a Dialog 53 * without text editors, so that it will be placed on top of the current 54 * input method UI. You can modify this behavior by forcing the flag to your 55 * desired mode after calling {@link #onCreate}. 56 * 57 * <div class="special reference"> 58 * <h3>Developer Guides</h3> 59 * <p>For more information about creating dialogs, read the 60 * <a href="{@docRoot}guide/topics/ui/dialogs.html">Dialogs</a> developer guide.</p> 61 * </div> 62 */ 63 public class AlertDialog extends Dialog implements DialogInterface { 64 private AlertController mAlert; 65 66 /** 67 * Special theme constant for {@link #AlertDialog(Context, int)}: use 68 * the traditional (pre-Holo) alert dialog theme. 69 */ 70 public static final int THEME_TRADITIONAL = 1; 71 72 /** 73 * Special theme constant for {@link #AlertDialog(Context, int)}: use 74 * the holographic alert theme with a dark background. 75 */ 76 public static final int THEME_HOLO_DARK = 2; 77 78 /** 79 * Special theme constant for {@link #AlertDialog(Context, int)}: use 80 * the holographic alert theme with a light background. 81 */ 82 public static final int THEME_HOLO_LIGHT = 3; 83 84 /** 85 * Special theme constant for {@link #AlertDialog(Context, int)}: use 86 * the device's default alert theme with a dark background. 87 */ 88 public static final int THEME_DEVICE_DEFAULT_DARK = 4; 89 90 /** 91 * Special theme constant for {@link #AlertDialog(Context, int)}: use 92 * the device's default alert theme with a light background. 93 */ 94 public static final int THEME_DEVICE_DEFAULT_LIGHT = 5; 95 96 /** 97 * No layout hint. 98 * @hide 99 */ 100 public static final int LAYOUT_HINT_NONE = 0; 101 102 /** 103 * Hint layout to the side. 104 * @hide 105 */ 106 public static final int LAYOUT_HINT_SIDE = 1; 107 108 protected AlertDialog(Context context) { 109 this(context, resolveDialogTheme(context, 0), true); 110 } 111 112 /** 113 * Construct an AlertDialog that uses an explicit theme. The actual style 114 * that an AlertDialog uses is a private implementation, however you can 115 * here supply either the name of an attribute in the theme from which 116 * to get the dialog's style (such as {@link android.R.attr#alertDialogTheme} 117 * or one of the constants {@link #THEME_TRADITIONAL}, 118 * {@link #THEME_HOLO_DARK}, or {@link #THEME_HOLO_LIGHT}. 119 */ 120 protected AlertDialog(Context context, int theme) { 121 this(context, theme, true); 122 } 123 124 AlertDialog(Context context, int theme, boolean createThemeContextWrapper) { 125 super(context, resolveDialogTheme(context, theme), createThemeContextWrapper); 126 127 mWindow.alwaysReadCloseOnTouchAttr(); 128 mAlert = new AlertController(getContext(), this, getWindow()); 129 } 130 131 protected AlertDialog(Context context, boolean cancelable, OnCancelListener cancelListener) { 132 super(context, resolveDialogTheme(context, 0)); 133 mWindow.alwaysReadCloseOnTouchAttr(); 134 setCancelable(cancelable); 135 setOnCancelListener(cancelListener); 136 mAlert = new AlertController(context, this, getWindow()); 137 } 138 139 static int resolveDialogTheme(Context context, int resid) { 140 if (resid == THEME_TRADITIONAL) { 141 return com.android.internal.R.style.Theme_Dialog_Alert; 142 } else if (resid == THEME_HOLO_DARK) { 143 return com.android.internal.R.style.Theme_Holo_Dialog_Alert; 144 } else if (resid == THEME_HOLO_LIGHT) { 145 return com.android.internal.R.style.Theme_Holo_Light_Dialog_Alert; 146 } else if (resid == THEME_DEVICE_DEFAULT_DARK) { 147 return com.android.internal.R.style.Theme_DeviceDefault_Dialog_Alert; 148 } else if (resid == THEME_DEVICE_DEFAULT_LIGHT) { 149 return com.android.internal.R.style.Theme_DeviceDefault_Light_Dialog_Alert; 150 } else if (resid >= 0x01000000) { // start of real resource IDs. 151 return resid; 152 } else { 153 TypedValue outValue = new TypedValue(); 154 context.getTheme().resolveAttribute(com.android.internal.R.attr.alertDialogTheme, 155 outValue, true); 156 return outValue.resourceId; 157 } 158 } 159 160 /** 161 * Gets one of the buttons used in the dialog. Returns null if the specified 162 * button does not exist or the dialog has not yet been fully created (for 163 * example, via {@link #show()} or {@link #create()}). 164 * 165 * @param whichButton The identifier of the button that should be returned. 166 * For example, this can be 167 * {@link DialogInterface#BUTTON_POSITIVE}. 168 * @return The button from the dialog, or null if a button does not exist. 169 */ 170 public Button getButton(int whichButton) { 171 return mAlert.getButton(whichButton); 172 } 173 174 /** 175 * Gets the list view used in the dialog. 176 * 177 * @return The {@link ListView} from the dialog. 178 */ 179 public ListView getListView() { 180 return mAlert.getListView(); 181 } 182 183 @Override 184 public void setTitle(CharSequence title) { 185 super.setTitle(title); 186 mAlert.setTitle(title); 187 } 188 189 /** 190 * @see Builder#setCustomTitle(View) 191 */ 192 public void setCustomTitle(View customTitleView) { 193 mAlert.setCustomTitle(customTitleView); 194 } 195 196 public void setMessage(CharSequence message) { 197 mAlert.setMessage(message); 198 } 199 200 /** 201 * Set the view to display in that dialog. 202 */ 203 public void setView(View view) { 204 mAlert.setView(view); 205 } 206 207 /** 208 * Set the view to display in that dialog, specifying the spacing to appear around that 209 * view. 210 * 211 * @param view The view to show in the content area of the dialog 212 * @param viewSpacingLeft Extra space to appear to the left of {@code view} 213 * @param viewSpacingTop Extra space to appear above {@code view} 214 * @param viewSpacingRight Extra space to appear to the right of {@code view} 215 * @param viewSpacingBottom Extra space to appear below {@code view} 216 */ 217 public void setView(View view, int viewSpacingLeft, int viewSpacingTop, int viewSpacingRight, 218 int viewSpacingBottom) { 219 mAlert.setView(view, viewSpacingLeft, viewSpacingTop, viewSpacingRight, viewSpacingBottom); 220 } 221 222 /** 223 * Internal api to allow hinting for the best button panel layout. 224 * @hide 225 */ 226 void setButtonPanelLayoutHint(int layoutHint) { 227 mAlert.setButtonPanelLayoutHint(layoutHint); 228 } 229 230 /** 231 * Set a message to be sent when a button is pressed. 232 * 233 * @param whichButton Which button to set the message for, can be one of 234 * {@link DialogInterface#BUTTON_POSITIVE}, 235 * {@link DialogInterface#BUTTON_NEGATIVE}, or 236 * {@link DialogInterface#BUTTON_NEUTRAL} 237 * @param text The text to display in positive button. 238 * @param msg The {@link Message} to be sent when clicked. 239 */ 240 public void setButton(int whichButton, CharSequence text, Message msg) { 241 mAlert.setButton(whichButton, text, null, msg); 242 } 243 244 /** 245 * Set a listener to be invoked when the positive button of the dialog is pressed. 246 * 247 * @param whichButton Which button to set the listener on, can be one of 248 * {@link DialogInterface#BUTTON_POSITIVE}, 249 * {@link DialogInterface#BUTTON_NEGATIVE}, or 250 * {@link DialogInterface#BUTTON_NEUTRAL} 251 * @param text The text to display in positive button. 252 * @param listener The {@link DialogInterface.OnClickListener} to use. 253 */ 254 public void setButton(int whichButton, CharSequence text, OnClickListener listener) { 255 mAlert.setButton(whichButton, text, listener, null); 256 } 257 258 /** 259 * @deprecated Use {@link #setButton(int, CharSequence, Message)} with 260 * {@link DialogInterface#BUTTON_POSITIVE}. 261 */ 262 @Deprecated 263 public void setButton(CharSequence text, Message msg) { 264 setButton(BUTTON_POSITIVE, text, msg); 265 } 266 267 /** 268 * @deprecated Use {@link #setButton(int, CharSequence, Message)} with 269 * {@link DialogInterface#BUTTON_NEGATIVE}. 270 */ 271 @Deprecated 272 public void setButton2(CharSequence text, Message msg) { 273 setButton(BUTTON_NEGATIVE, text, msg); 274 } 275 276 /** 277 * @deprecated Use {@link #setButton(int, CharSequence, Message)} with 278 * {@link DialogInterface#BUTTON_NEUTRAL}. 279 */ 280 @Deprecated 281 public void setButton3(CharSequence text, Message msg) { 282 setButton(BUTTON_NEUTRAL, text, msg); 283 } 284 285 /** 286 * Set a listener to be invoked when button 1 of the dialog is pressed. 287 * 288 * @param text The text to display in button 1. 289 * @param listener The {@link DialogInterface.OnClickListener} to use. 290 * @deprecated Use 291 * {@link #setButton(int, CharSequence, android.content.DialogInterface.OnClickListener)} 292 * with {@link DialogInterface#BUTTON_POSITIVE} 293 */ 294 @Deprecated 295 public void setButton(CharSequence text, final OnClickListener listener) { 296 setButton(BUTTON_POSITIVE, text, listener); 297 } 298 299 /** 300 * Set a listener to be invoked when button 2 of the dialog is pressed. 301 * @param text The text to display in button 2. 302 * @param listener The {@link DialogInterface.OnClickListener} to use. 303 * @deprecated Use 304 * {@link #setButton(int, CharSequence, android.content.DialogInterface.OnClickListener)} 305 * with {@link DialogInterface#BUTTON_NEGATIVE} 306 */ 307 @Deprecated 308 public void setButton2(CharSequence text, final OnClickListener listener) { 309 setButton(BUTTON_NEGATIVE, text, listener); 310 } 311 312 /** 313 * Set a listener to be invoked when button 3 of the dialog is pressed. 314 * @param text The text to display in button 3. 315 * @param listener The {@link DialogInterface.OnClickListener} to use. 316 * @deprecated Use 317 * {@link #setButton(int, CharSequence, android.content.DialogInterface.OnClickListener)} 318 * with {@link DialogInterface#BUTTON_POSITIVE} 319 */ 320 @Deprecated 321 public void setButton3(CharSequence text, final OnClickListener listener) { 322 setButton(BUTTON_NEUTRAL, text, listener); 323 } 324 325 /** 326 * Set resId to 0 if you don't want an icon. 327 * @param resId the resourceId of the drawable to use as the icon or 0 328 * if you don't want an icon. 329 */ 330 public void setIcon(int resId) { 331 mAlert.setIcon(resId); 332 } 333 334 public void setIcon(Drawable icon) { 335 mAlert.setIcon(icon); 336 } 337 338 /** 339 * Set an icon as supplied by a theme attribute. e.g. android.R.attr.alertDialogIcon 340 * 341 * @param attrId ID of a theme attribute that points to a drawable resource. 342 */ 343 public void setIconAttribute(int attrId) { 344 TypedValue out = new TypedValue(); 345 mContext.getTheme().resolveAttribute(attrId, out, true); 346 mAlert.setIcon(out.resourceId); 347 } 348 349 public void setInverseBackgroundForced(boolean forceInverseBackground) { 350 mAlert.setInverseBackgroundForced(forceInverseBackground); 351 } 352 353 @Override 354 protected void onCreate(Bundle savedInstanceState) { 355 super.onCreate(savedInstanceState); 356 mAlert.installContent(); 357 } 358 359 @Override 360 public boolean onKeyDown(int keyCode, KeyEvent event) { 361 if (mAlert.onKeyDown(keyCode, event)) return true; 362 return super.onKeyDown(keyCode, event); 363 } 364 365 @Override 366 public boolean onKeyUp(int keyCode, KeyEvent event) { 367 if (mAlert.onKeyUp(keyCode, event)) return true; 368 return super.onKeyUp(keyCode, event); 369 } 370 371 public static class Builder { 372 private final AlertController.AlertParams P; 373 private int mTheme; 374 375 /** 376 * Constructor using a context for this builder and the {@link AlertDialog} it creates. 377 */ 378 public Builder(Context context) { 379 this(context, resolveDialogTheme(context, 0)); 380 } 381 382 /** 383 * Constructor using a context and theme for this builder and 384 * the {@link AlertDialog} it creates. The actual theme 385 * that an AlertDialog uses is a private implementation, however you can 386 * here supply either the name of an attribute in the theme from which 387 * to get the dialog's style (such as {@link android.R.attr#alertDialogTheme} 388 * or one of the constants 389 * {@link AlertDialog#THEME_TRADITIONAL AlertDialog.THEME_TRADITIONAL}, 390 * {@link AlertDialog#THEME_HOLO_DARK AlertDialog.THEME_HOLO_DARK}, or 391 * {@link AlertDialog#THEME_HOLO_LIGHT AlertDialog.THEME_HOLO_LIGHT}. 392 */ 393 public Builder(Context context, int theme) { 394 P = new AlertController.AlertParams(new ContextThemeWrapper( 395 context, resolveDialogTheme(context, theme))); 396 mTheme = theme; 397 } 398 399 /** 400 * Returns a {@link Context} with the appropriate theme for dialogs created by this Builder. 401 * Applications should use this Context for obtaining LayoutInflaters for inflating views 402 * that will be used in the resulting dialogs, as it will cause views to be inflated with 403 * the correct theme. 404 * 405 * @return A Context for built Dialogs. 406 */ 407 public Context getContext() { 408 return P.mContext; 409 } 410 411 /** 412 * Set the title using the given resource id. 413 * 414 * @return This Builder object to allow for chaining of calls to set methods 415 */ 416 public Builder setTitle(int titleId) { 417 P.mTitle = P.mContext.getText(titleId); 418 return this; 419 } 420 421 /** 422 * Set the title displayed in the {@link Dialog}. 423 * 424 * @return This Builder object to allow for chaining of calls to set methods 425 */ 426 public Builder setTitle(CharSequence title) { 427 P.mTitle = title; 428 return this; 429 } 430 431 /** 432 * Set the title using the custom view {@code customTitleView}. The 433 * methods {@link #setTitle(int)} and {@link #setIcon(int)} should be 434 * sufficient for most titles, but this is provided if the title needs 435 * more customization. Using this will replace the title and icon set 436 * via the other methods. 437 * 438 * @param customTitleView The custom view to use as the title. 439 * 440 * @return This Builder object to allow for chaining of calls to set methods 441 */ 442 public Builder setCustomTitle(View customTitleView) { 443 P.mCustomTitleView = customTitleView; 444 return this; 445 } 446 447 /** 448 * Set the message to display using the given resource id. 449 * 450 * @return This Builder object to allow for chaining of calls to set methods 451 */ 452 public Builder setMessage(int messageId) { 453 P.mMessage = P.mContext.getText(messageId); 454 return this; 455 } 456 457 /** 458 * Set the message to display. 459 * 460 * @return This Builder object to allow for chaining of calls to set methods 461 */ 462 public Builder setMessage(CharSequence message) { 463 P.mMessage = message; 464 return this; 465 } 466 467 /** 468 * Set the resource id of the {@link Drawable} to be used in the title. 469 * 470 * @return This Builder object to allow for chaining of calls to set methods 471 */ 472 public Builder setIcon(int iconId) { 473 P.mIconId = iconId; 474 return this; 475 } 476 477 /** 478 * Set the {@link Drawable} to be used in the title. 479 * 480 * @return This Builder object to allow for chaining of calls to set methods 481 */ 482 public Builder setIcon(Drawable icon) { 483 P.mIcon = icon; 484 return this; 485 } 486 487 /** 488 * Set an icon as supplied by a theme attribute. e.g. android.R.attr.alertDialogIcon 489 * 490 * @param attrId ID of a theme attribute that points to a drawable resource. 491 */ 492 public Builder setIconAttribute(int attrId) { 493 TypedValue out = new TypedValue(); 494 P.mContext.getTheme().resolveAttribute(attrId, out, true); 495 P.mIconId = out.resourceId; 496 return this; 497 } 498 499 /** 500 * Set a listener to be invoked when the positive button of the dialog is pressed. 501 * @param textId The resource id of the text to display in the positive button 502 * @param listener The {@link DialogInterface.OnClickListener} to use. 503 * 504 * @return This Builder object to allow for chaining of calls to set methods 505 */ 506 public Builder setPositiveButton(int textId, final OnClickListener listener) { 507 P.mPositiveButtonText = P.mContext.getText(textId); 508 P.mPositiveButtonListener = listener; 509 return this; 510 } 511 512 /** 513 * Set a listener to be invoked when the positive button of the dialog is pressed. 514 * @param text The text to display in the positive button 515 * @param listener The {@link DialogInterface.OnClickListener} to use. 516 * 517 * @return This Builder object to allow for chaining of calls to set methods 518 */ 519 public Builder setPositiveButton(CharSequence text, final OnClickListener listener) { 520 P.mPositiveButtonText = text; 521 P.mPositiveButtonListener = listener; 522 return this; 523 } 524 525 /** 526 * Set a listener to be invoked when the negative button of the dialog is pressed. 527 * @param textId The resource id of the text to display in the negative button 528 * @param listener The {@link DialogInterface.OnClickListener} to use. 529 * 530 * @return This Builder object to allow for chaining of calls to set methods 531 */ 532 public Builder setNegativeButton(int textId, final OnClickListener listener) { 533 P.mNegativeButtonText = P.mContext.getText(textId); 534 P.mNegativeButtonListener = listener; 535 return this; 536 } 537 538 /** 539 * Set a listener to be invoked when the negative button of the dialog is pressed. 540 * @param text The text to display in the negative button 541 * @param listener The {@link DialogInterface.OnClickListener} to use. 542 * 543 * @return This Builder object to allow for chaining of calls to set methods 544 */ 545 public Builder setNegativeButton(CharSequence text, final OnClickListener listener) { 546 P.mNegativeButtonText = text; 547 P.mNegativeButtonListener = listener; 548 return this; 549 } 550 551 /** 552 * Set a listener to be invoked when the neutral button of the dialog is pressed. 553 * @param textId The resource id of the text to display in the neutral button 554 * @param listener The {@link DialogInterface.OnClickListener} to use. 555 * 556 * @return This Builder object to allow for chaining of calls to set methods 557 */ 558 public Builder setNeutralButton(int textId, final OnClickListener listener) { 559 P.mNeutralButtonText = P.mContext.getText(textId); 560 P.mNeutralButtonListener = listener; 561 return this; 562 } 563 564 /** 565 * Set a listener to be invoked when the neutral button of the dialog is pressed. 566 * @param text The text to display in the neutral button 567 * @param listener The {@link DialogInterface.OnClickListener} to use. 568 * 569 * @return This Builder object to allow for chaining of calls to set methods 570 */ 571 public Builder setNeutralButton(CharSequence text, final OnClickListener listener) { 572 P.mNeutralButtonText = text; 573 P.mNeutralButtonListener = listener; 574 return this; 575 } 576 577 /** 578 * Sets whether the dialog is cancelable or not. Default is true. 579 * 580 * @return This Builder object to allow for chaining of calls to set methods 581 */ 582 public Builder setCancelable(boolean cancelable) { 583 P.mCancelable = cancelable; 584 return this; 585 } 586 587 /** 588 * Sets the callback that will be called if the dialog is canceled. 589 * 590 * <p>Even in a cancelable dialog, the dialog may be dismissed for reasons other than 591 * being canceled or one of the supplied choices being selected. 592 * If you are interested in listening for all cases where the dialog is dismissed 593 * and not just when it is canceled, see 594 * {@link #setOnDismissListener(android.content.DialogInterface.OnDismissListener) setOnDismissListener}.</p> 595 * @see #setCancelable(boolean) 596 * @see #setOnDismissListener(android.content.DialogInterface.OnDismissListener) 597 * 598 * @return This Builder object to allow for chaining of calls to set methods 599 */ 600 public Builder setOnCancelListener(OnCancelListener onCancelListener) { 601 P.mOnCancelListener = onCancelListener; 602 return this; 603 } 604 605 /** 606 * Sets the callback that will be called when the dialog is dismissed for any reason. 607 * 608 * @return This Builder object to allow for chaining of calls to set methods 609 */ 610 public Builder setOnDismissListener(OnDismissListener onDismissListener) { 611 P.mOnDismissListener = onDismissListener; 612 return this; 613 } 614 615 /** 616 * Sets the callback that will be called if a key is dispatched to the dialog. 617 * 618 * @return This Builder object to allow for chaining of calls to set methods 619 */ 620 public Builder setOnKeyListener(OnKeyListener onKeyListener) { 621 P.mOnKeyListener = onKeyListener; 622 return this; 623 } 624 625 /** 626 * Set a list of items to be displayed in the dialog as the content, you will be notified of the 627 * selected item via the supplied listener. This should be an array type i.e. R.array.foo 628 * 629 * @return This Builder object to allow for chaining of calls to set methods 630 */ 631 public Builder setItems(int itemsId, final OnClickListener listener) { 632 P.mItems = P.mContext.getResources().getTextArray(itemsId); 633 P.mOnClickListener = listener; 634 return this; 635 } 636 637 /** 638 * Set a list of items to be displayed in the dialog as the content, you will be notified of the 639 * selected item via the supplied listener. 640 * 641 * @return This Builder object to allow for chaining of calls to set methods 642 */ 643 public Builder setItems(CharSequence[] items, final OnClickListener listener) { 644 P.mItems = items; 645 P.mOnClickListener = listener; 646 return this; 647 } 648 649 /** 650 * Set a list of items, which are supplied by the given {@link ListAdapter}, to be 651 * displayed in the dialog as the content, you will be notified of the 652 * selected item via the supplied listener. 653 * 654 * @param adapter The {@link ListAdapter} to supply the list of items 655 * @param listener The listener that will be called when an item is clicked. 656 * 657 * @return This Builder object to allow for chaining of calls to set methods 658 */ 659 public Builder setAdapter(final ListAdapter adapter, final OnClickListener listener) { 660 P.mAdapter = adapter; 661 P.mOnClickListener = listener; 662 return this; 663 } 664 665 /** 666 * Set a list of items, which are supplied by the given {@link Cursor}, to be 667 * displayed in the dialog as the content, you will be notified of the 668 * selected item via the supplied listener. 669 * 670 * @param cursor The {@link Cursor} to supply the list of items 671 * @param listener The listener that will be called when an item is clicked. 672 * @param labelColumn The column name on the cursor containing the string to display 673 * in the label. 674 * 675 * @return This Builder object to allow for chaining of calls to set methods 676 */ 677 public Builder setCursor(final Cursor cursor, final OnClickListener listener, 678 String labelColumn) { 679 P.mCursor = cursor; 680 P.mLabelColumn = labelColumn; 681 P.mOnClickListener = listener; 682 return this; 683 } 684 685 /** 686 * Set a list of items to be displayed in the dialog as the content, 687 * you will be notified of the selected item via the supplied listener. 688 * This should be an array type, e.g. R.array.foo. The list will have 689 * a check mark displayed to the right of the text for each checked 690 * item. Clicking on an item in the list will not dismiss the dialog. 691 * Clicking on a button will dismiss the dialog. 692 * 693 * @param itemsId the resource id of an array i.e. R.array.foo 694 * @param checkedItems specifies which items are checked. It should be null in which case no 695 * items are checked. If non null it must be exactly the same length as the array of 696 * items. 697 * @param listener notified when an item on the list is clicked. The dialog will not be 698 * dismissed when an item is clicked. It will only be dismissed if clicked on a 699 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 700 * 701 * @return This Builder object to allow for chaining of calls to set methods 702 */ 703 public Builder setMultiChoiceItems(int itemsId, boolean[] checkedItems, 704 final OnMultiChoiceClickListener listener) { 705 P.mItems = P.mContext.getResources().getTextArray(itemsId); 706 P.mOnCheckboxClickListener = listener; 707 P.mCheckedItems = checkedItems; 708 P.mIsMultiChoice = true; 709 return this; 710 } 711 712 /** 713 * Set a list of items to be displayed in the dialog as the content, 714 * you will be notified of the selected item via the supplied listener. 715 * The list will have a check mark displayed to the right of the text 716 * for each checked item. Clicking on an item in the list will not 717 * dismiss the dialog. Clicking on a button will dismiss the dialog. 718 * 719 * @param items the text of the items to be displayed in the list. 720 * @param checkedItems specifies which items are checked. It should be null in which case no 721 * items are checked. If non null it must be exactly the same length as the array of 722 * items. 723 * @param listener notified when an item on the list is clicked. The dialog will not be 724 * dismissed when an item is clicked. It will only be dismissed if clicked on a 725 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 726 * 727 * @return This Builder object to allow for chaining of calls to set methods 728 */ 729 public Builder setMultiChoiceItems(CharSequence[] items, boolean[] checkedItems, 730 final OnMultiChoiceClickListener listener) { 731 P.mItems = items; 732 P.mOnCheckboxClickListener = listener; 733 P.mCheckedItems = checkedItems; 734 P.mIsMultiChoice = true; 735 return this; 736 } 737 738 /** 739 * Set a list of items to be displayed in the dialog as the content, 740 * you will be notified of the selected item via the supplied listener. 741 * The list will have a check mark displayed to the right of the text 742 * for each checked item. Clicking on an item in the list will not 743 * dismiss the dialog. Clicking on a button will dismiss the dialog. 744 * 745 * @param cursor the cursor used to provide the items. 746 * @param isCheckedColumn specifies the column name on the cursor to use to determine 747 * whether a checkbox is checked or not. It must return an integer value where 1 748 * means checked and 0 means unchecked. 749 * @param labelColumn The column name on the cursor containing the string to display in the 750 * label. 751 * @param listener notified when an item on the list is clicked. The dialog will not be 752 * dismissed when an item is clicked. It will only be dismissed if clicked on a 753 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 754 * 755 * @return This Builder object to allow for chaining of calls to set methods 756 */ 757 public Builder setMultiChoiceItems(Cursor cursor, String isCheckedColumn, String labelColumn, 758 final OnMultiChoiceClickListener listener) { 759 P.mCursor = cursor; 760 P.mOnCheckboxClickListener = listener; 761 P.mIsCheckedColumn = isCheckedColumn; 762 P.mLabelColumn = labelColumn; 763 P.mIsMultiChoice = true; 764 return this; 765 } 766 767 /** 768 * Set a list of items to be displayed in the dialog as the content, you will be notified of 769 * the selected item via the supplied listener. This should be an array type i.e. 770 * R.array.foo The list will have a check mark displayed to the right of the text for the 771 * checked item. Clicking on an item in the list will not dismiss the dialog. Clicking on a 772 * button will dismiss the dialog. 773 * 774 * @param itemsId the resource id of an array i.e. R.array.foo 775 * @param checkedItem specifies which item is checked. If -1 no items are checked. 776 * @param listener notified when an item on the list is clicked. The dialog will not be 777 * dismissed when an item is clicked. It will only be dismissed if clicked on a 778 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 779 * 780 * @return This Builder object to allow for chaining of calls to set methods 781 */ 782 public Builder setSingleChoiceItems(int itemsId, int checkedItem, 783 final OnClickListener listener) { 784 P.mItems = P.mContext.getResources().getTextArray(itemsId); 785 P.mOnClickListener = listener; 786 P.mCheckedItem = checkedItem; 787 P.mIsSingleChoice = true; 788 return this; 789 } 790 791 /** 792 * Set a list of items to be displayed in the dialog as the content, you will be notified of 793 * the selected item via the supplied listener. The list will have a check mark displayed to 794 * the right of the text for the checked item. Clicking on an item in the list will not 795 * dismiss the dialog. Clicking on a button will dismiss the dialog. 796 * 797 * @param cursor the cursor to retrieve the items from. 798 * @param checkedItem specifies which item is checked. If -1 no items are checked. 799 * @param labelColumn The column name on the cursor containing the string to display in the 800 * label. 801 * @param listener notified when an item on the list is clicked. The dialog will not be 802 * dismissed when an item is clicked. It will only be dismissed if clicked on a 803 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 804 * 805 * @return This Builder object to allow for chaining of calls to set methods 806 */ 807 public Builder setSingleChoiceItems(Cursor cursor, int checkedItem, String labelColumn, 808 final OnClickListener listener) { 809 P.mCursor = cursor; 810 P.mOnClickListener = listener; 811 P.mCheckedItem = checkedItem; 812 P.mLabelColumn = labelColumn; 813 P.mIsSingleChoice = true; 814 return this; 815 } 816 817 /** 818 * Set a list of items to be displayed in the dialog as the content, you will be notified of 819 * the selected item via the supplied listener. The list will have a check mark displayed to 820 * the right of the text for the checked item. Clicking on an item in the list will not 821 * dismiss the dialog. Clicking on a button will dismiss the dialog. 822 * 823 * @param items the items to be displayed. 824 * @param checkedItem specifies which item is checked. If -1 no items are checked. 825 * @param listener notified when an item on the list is clicked. The dialog will not be 826 * dismissed when an item is clicked. It will only be dismissed if clicked on a 827 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 828 * 829 * @return This Builder object to allow for chaining of calls to set methods 830 */ 831 public Builder setSingleChoiceItems(CharSequence[] items, int checkedItem, final OnClickListener listener) { 832 P.mItems = items; 833 P.mOnClickListener = listener; 834 P.mCheckedItem = checkedItem; 835 P.mIsSingleChoice = true; 836 return this; 837 } 838 839 /** 840 * Set a list of items to be displayed in the dialog as the content, you will be notified of 841 * the selected item via the supplied listener. The list will have a check mark displayed to 842 * the right of the text for the checked item. Clicking on an item in the list will not 843 * dismiss the dialog. Clicking on a button will dismiss the dialog. 844 * 845 * @param adapter The {@link ListAdapter} to supply the list of items 846 * @param checkedItem specifies which item is checked. If -1 no items are checked. 847 * @param listener notified when an item on the list is clicked. The dialog will not be 848 * dismissed when an item is clicked. It will only be dismissed if clicked on a 849 * button, if no buttons are supplied it's up to the user to dismiss the dialog. 850 * 851 * @return This Builder object to allow for chaining of calls to set methods 852 */ 853 public Builder setSingleChoiceItems(ListAdapter adapter, int checkedItem, final OnClickListener listener) { 854 P.mAdapter = adapter; 855 P.mOnClickListener = listener; 856 P.mCheckedItem = checkedItem; 857 P.mIsSingleChoice = true; 858 return this; 859 } 860 861 /** 862 * Sets a listener to be invoked when an item in the list is selected. 863 * 864 * @param listener The listener to be invoked. 865 * @see AdapterView#setOnItemSelectedListener(android.widget.AdapterView.OnItemSelectedListener) 866 * 867 * @return This Builder object to allow for chaining of calls to set methods 868 */ 869 public Builder setOnItemSelectedListener(final AdapterView.OnItemSelectedListener listener) { 870 P.mOnItemSelectedListener = listener; 871 return this; 872 } 873 874 /** 875 * Set a custom view resource to be the contents of the Dialog. The 876 * resource will be inflated, adding all top-level views to the screen. 877 * 878 * @param layoutResId Resource ID to be inflated. 879 * @return This Builder object to allow for chaining of calls to set 880 * methods 881 */ 882 public Builder setView(int layoutResId) { 883 P.mView = null; 884 P.mViewLayoutResId = layoutResId; 885 P.mViewSpacingSpecified = false; 886 return this; 887 } 888 889 /** 890 * Set a custom view to be the contents of the Dialog. If the supplied view is an instance 891 * of a {@link ListView} the light background will be used. 892 * 893 * @param view The view to use as the contents of the Dialog. 894 * 895 * @return This Builder object to allow for chaining of calls to set methods 896 */ 897 public Builder setView(View view) { 898 P.mView = view; 899 P.mViewLayoutResId = 0; 900 P.mViewSpacingSpecified = false; 901 return this; 902 } 903 904 /** 905 * Set a custom view to be the contents of the Dialog, specifying the 906 * spacing to appear around that view. If the supplied view is an 907 * instance of a {@link ListView} the light background will be used. 908 * 909 * @param view The view to use as the contents of the Dialog. 910 * @param viewSpacingLeft Spacing between the left edge of the view and 911 * the dialog frame 912 * @param viewSpacingTop Spacing between the top edge of the view and 913 * the dialog frame 914 * @param viewSpacingRight Spacing between the right edge of the view 915 * and the dialog frame 916 * @param viewSpacingBottom Spacing between the bottom edge of the view 917 * and the dialog frame 918 * @return This Builder object to allow for chaining of calls to set 919 * methods 920 * 921 * 922 * This is currently hidden because it seems like people should just 923 * be able to put padding around the view. 924 * @hide 925 */ 926 public Builder setView(View view, int viewSpacingLeft, int viewSpacingTop, 927 int viewSpacingRight, int viewSpacingBottom) { 928 P.mView = view; 929 P.mViewLayoutResId = 0; 930 P.mViewSpacingSpecified = true; 931 P.mViewSpacingLeft = viewSpacingLeft; 932 P.mViewSpacingTop = viewSpacingTop; 933 P.mViewSpacingRight = viewSpacingRight; 934 P.mViewSpacingBottom = viewSpacingBottom; 935 return this; 936 } 937 938 /** 939 * Sets the Dialog to use the inverse background, regardless of what the 940 * contents is. 941 * 942 * @param useInverseBackground Whether to use the inverse background 943 * 944 * @return This Builder object to allow for chaining of calls to set methods 945 */ 946 public Builder setInverseBackgroundForced(boolean useInverseBackground) { 947 P.mForceInverseBackground = useInverseBackground; 948 return this; 949 } 950 951 /** 952 * @hide 953 */ 954 public Builder setRecycleOnMeasureEnabled(boolean enabled) { 955 P.mRecycleOnMeasure = enabled; 956 return this; 957 } 958 959 960 /** 961 * Creates a {@link AlertDialog} with the arguments supplied to this builder. It does not 962 * {@link Dialog#show()} the dialog. This allows the user to do any extra processing 963 * before displaying the dialog. Use {@link #show()} if you don't have any other processing 964 * to do and want this to be created and displayed. 965 */ 966 public AlertDialog create() { 967 final AlertDialog dialog = new AlertDialog(P.mContext, mTheme, false); 968 P.apply(dialog.mAlert); 969 dialog.setCancelable(P.mCancelable); 970 if (P.mCancelable) { 971 dialog.setCanceledOnTouchOutside(true); 972 } 973 dialog.setOnCancelListener(P.mOnCancelListener); 974 dialog.setOnDismissListener(P.mOnDismissListener); 975 if (P.mOnKeyListener != null) { 976 dialog.setOnKeyListener(P.mOnKeyListener); 977 } 978 return dialog; 979 } 980 981 /** 982 * Creates a {@link AlertDialog} with the arguments supplied to this builder and 983 * {@link Dialog#show()}'s the dialog. 984 */ 985 public AlertDialog show() { 986 AlertDialog dialog = create(); 987 dialog.show(); 988 return dialog; 989 } 990 } 991 992 } 993