Window.java revision d4f2b641d32f4c0f73b21c4436e5a14c4f569633
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 17package android.view; 18 19import android.annotation.ColorInt; 20import android.annotation.DrawableRes; 21import android.annotation.IdRes; 22import android.annotation.LayoutRes; 23import android.annotation.NonNull; 24import android.annotation.Nullable; 25import android.annotation.StyleRes; 26import android.annotation.SystemApi; 27import android.content.Context; 28import android.content.res.Configuration; 29import android.content.res.Resources; 30import android.content.res.TypedArray; 31import android.graphics.PixelFormat; 32import android.graphics.drawable.Drawable; 33import android.media.session.MediaController; 34import android.net.Uri; 35import android.os.Bundle; 36import android.os.IBinder; 37import android.os.RemoteException; 38import android.os.SystemProperties; 39import android.transition.Scene; 40import android.transition.Transition; 41import android.transition.TransitionManager; 42import android.view.accessibility.AccessibilityEvent; 43 44/** 45 * Abstract base class for a top-level window look and behavior policy. An 46 * instance of this class should be used as the top-level view added to the 47 * window manager. It provides standard UI policies such as a background, title 48 * area, default key processing, etc. 49 * 50 * <p>The only existing implementation of this abstract class is 51 * android.view.PhoneWindow, which you should instantiate when needing a 52 * Window. 53 */ 54public abstract class Window { 55 /** Flag for the "options panel" feature. This is enabled by default. */ 56 public static final int FEATURE_OPTIONS_PANEL = 0; 57 /** Flag for the "no title" feature, turning off the title at the top 58 * of the screen. */ 59 public static final int FEATURE_NO_TITLE = 1; 60 61 /** 62 * Flag for the progress indicator feature. 63 * 64 * @deprecated No longer supported starting in API 21. 65 */ 66 @Deprecated 67 public static final int FEATURE_PROGRESS = 2; 68 69 /** Flag for having an icon on the left side of the title bar */ 70 public static final int FEATURE_LEFT_ICON = 3; 71 /** Flag for having an icon on the right side of the title bar */ 72 public static final int FEATURE_RIGHT_ICON = 4; 73 74 /** 75 * Flag for indeterminate progress. 76 * 77 * @deprecated No longer supported starting in API 21. 78 */ 79 @Deprecated 80 public static final int FEATURE_INDETERMINATE_PROGRESS = 5; 81 82 /** Flag for the context menu. This is enabled by default. */ 83 public static final int FEATURE_CONTEXT_MENU = 6; 84 /** Flag for custom title. You cannot combine this feature with other title features. */ 85 public static final int FEATURE_CUSTOM_TITLE = 7; 86 /** 87 * Flag for enabling the Action Bar. 88 * This is enabled by default for some devices. The Action Bar 89 * replaces the title bar and provides an alternate location 90 * for an on-screen menu button on some devices. 91 */ 92 public static final int FEATURE_ACTION_BAR = 8; 93 /** 94 * Flag for requesting an Action Bar that overlays window content. 95 * Normally an Action Bar will sit in the space above window content, but if this 96 * feature is requested along with {@link #FEATURE_ACTION_BAR} it will be layered over 97 * the window content itself. This is useful if you would like your app to have more control 98 * over how the Action Bar is displayed, such as letting application content scroll beneath 99 * an Action Bar with a transparent background or otherwise displaying a transparent/translucent 100 * Action Bar over application content. 101 * 102 * <p>This mode is especially useful with {@link View#SYSTEM_UI_FLAG_FULLSCREEN 103 * View.SYSTEM_UI_FLAG_FULLSCREEN}, which allows you to seamlessly hide the 104 * action bar in conjunction with other screen decorations. 105 * 106 * <p>As of {@link android.os.Build.VERSION_CODES#JELLY_BEAN}, when an 107 * ActionBar is in this mode it will adjust the insets provided to 108 * {@link View#fitSystemWindows(android.graphics.Rect) View.fitSystemWindows(Rect)} 109 * to include the content covered by the action bar, so you can do layout within 110 * that space. 111 */ 112 public static final int FEATURE_ACTION_BAR_OVERLAY = 9; 113 /** 114 * Flag for specifying the behavior of action modes when an Action Bar is not present. 115 * If overlay is enabled, the action mode UI will be allowed to cover existing window content. 116 */ 117 public static final int FEATURE_ACTION_MODE_OVERLAY = 10; 118 /** 119 * Flag for requesting a decoration-free window that is dismissed by swiping from the left. 120 */ 121 public static final int FEATURE_SWIPE_TO_DISMISS = 11; 122 /** 123 * Flag for requesting that window content changes should be animated using a 124 * TransitionManager. 125 * 126 * <p>The TransitionManager is set using 127 * {@link #setTransitionManager(android.transition.TransitionManager)}. If none is set, 128 * a default TransitionManager will be used.</p> 129 * 130 * @see #setContentView 131 */ 132 public static final int FEATURE_CONTENT_TRANSITIONS = 12; 133 134 /** 135 * Enables Activities to run Activity Transitions either through sending or receiving 136 * ActivityOptions bundle created with 137 * {@link android.app.ActivityOptions#makeSceneTransitionAnimation(android.app.Activity, 138 * android.util.Pair[])} or {@link android.app.ActivityOptions#makeSceneTransitionAnimation( 139 * android.app.Activity, View, String)}. 140 */ 141 public static final int FEATURE_ACTIVITY_TRANSITIONS = 13; 142 143 /** 144 * Max value used as a feature ID 145 * @hide 146 */ 147 public static final int FEATURE_MAX = FEATURE_ACTIVITY_TRANSITIONS; 148 149 /** 150 * Flag for setting the progress bar's visibility to VISIBLE. 151 * 152 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 153 * supported starting in API 21. 154 */ 155 @Deprecated 156 public static final int PROGRESS_VISIBILITY_ON = -1; 157 158 /** 159 * Flag for setting the progress bar's visibility to GONE. 160 * 161 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 162 * supported starting in API 21. 163 */ 164 @Deprecated 165 public static final int PROGRESS_VISIBILITY_OFF = -2; 166 167 /** 168 * Flag for setting the progress bar's indeterminate mode on. 169 * 170 * @deprecated {@link #FEATURE_INDETERMINATE_PROGRESS} and related methods 171 * are no longer supported starting in API 21. 172 */ 173 @Deprecated 174 public static final int PROGRESS_INDETERMINATE_ON = -3; 175 176 /** 177 * Flag for setting the progress bar's indeterminate mode off. 178 * 179 * @deprecated {@link #FEATURE_INDETERMINATE_PROGRESS} and related methods 180 * are no longer supported starting in API 21. 181 */ 182 @Deprecated 183 public static final int PROGRESS_INDETERMINATE_OFF = -4; 184 185 /** 186 * Starting value for the (primary) progress. 187 * 188 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 189 * supported starting in API 21. 190 */ 191 @Deprecated 192 public static final int PROGRESS_START = 0; 193 194 /** 195 * Ending value for the (primary) progress. 196 * 197 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 198 * supported starting in API 21. 199 */ 200 @Deprecated 201 public static final int PROGRESS_END = 10000; 202 203 /** 204 * Lowest possible value for the secondary progress. 205 * 206 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 207 * supported starting in API 21. 208 */ 209 @Deprecated 210 public static final int PROGRESS_SECONDARY_START = 20000; 211 212 /** 213 * Highest possible value for the secondary progress. 214 * 215 * @deprecated {@link #FEATURE_PROGRESS} and related methods are no longer 216 * supported starting in API 21. 217 */ 218 @Deprecated 219 public static final int PROGRESS_SECONDARY_END = 30000; 220 221 /** 222 * The transitionName for the status bar background View when a custom background is used. 223 * @see android.view.Window#setStatusBarColor(int) 224 */ 225 public static final String STATUS_BAR_BACKGROUND_TRANSITION_NAME = "android:status:background"; 226 227 /** 228 * The transitionName for the navigation bar background View when a custom background is used. 229 * @see android.view.Window#setNavigationBarColor(int) 230 */ 231 public static final String NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME = 232 "android:navigation:background"; 233 234 /** 235 * The default features enabled. 236 * @deprecated use {@link #getDefaultFeatures(android.content.Context)} instead. 237 */ 238 @Deprecated 239 @SuppressWarnings({"PointlessBitwiseExpression"}) 240 protected static final int DEFAULT_FEATURES = (1 << FEATURE_OPTIONS_PANEL) | 241 (1 << FEATURE_CONTEXT_MENU); 242 243 /** 244 * The ID that the main layout in the XML layout file should have. 245 */ 246 public static final int ID_ANDROID_CONTENT = com.android.internal.R.id.content; 247 248 private static final String PROPERTY_HARDWARE_UI = "persist.sys.ui.hw"; 249 250 private final Context mContext; 251 252 private TypedArray mWindowStyle; 253 private Callback mCallback; 254 private OnWindowDismissedCallback mOnWindowDismissedCallback; 255 private WindowControllerCallback mWindowControllerCallback; 256 private WindowManager mWindowManager; 257 private IBinder mAppToken; 258 private String mAppName; 259 private boolean mHardwareAccelerated; 260 private Window mContainer; 261 private Window mActiveChild; 262 private boolean mIsActive = false; 263 private boolean mHasChildren = false; 264 private boolean mCloseOnTouchOutside = false; 265 private boolean mSetCloseOnTouchOutside = false; 266 private int mForcedWindowFlags = 0; 267 268 private int mFeatures; 269 private int mLocalFeatures; 270 271 private boolean mHaveWindowFormat = false; 272 private boolean mHaveDimAmount = false; 273 private int mDefaultWindowFormat = PixelFormat.OPAQUE; 274 275 private boolean mHasSoftInputMode = false; 276 277 private boolean mDestroyed; 278 279 // The current window attributes. 280 private final WindowManager.LayoutParams mWindowAttributes = 281 new WindowManager.LayoutParams(); 282 283 /** 284 * API from a Window back to its caller. This allows the client to 285 * intercept key dispatching, panels and menus, etc. 286 */ 287 public interface Callback { 288 /** 289 * Called to process key events. At the very least your 290 * implementation must call 291 * {@link android.view.Window#superDispatchKeyEvent} to do the 292 * standard key processing. 293 * 294 * @param event The key event. 295 * 296 * @return boolean Return true if this event was consumed. 297 */ 298 public boolean dispatchKeyEvent(KeyEvent event); 299 300 /** 301 * Called to process a key shortcut event. 302 * At the very least your implementation must call 303 * {@link android.view.Window#superDispatchKeyShortcutEvent} to do the 304 * standard key shortcut processing. 305 * 306 * @param event The key shortcut event. 307 * @return True if this event was consumed. 308 */ 309 public boolean dispatchKeyShortcutEvent(KeyEvent event); 310 311 /** 312 * Called to process touch screen events. At the very least your 313 * implementation must call 314 * {@link android.view.Window#superDispatchTouchEvent} to do the 315 * standard touch screen processing. 316 * 317 * @param event The touch screen event. 318 * 319 * @return boolean Return true if this event was consumed. 320 */ 321 public boolean dispatchTouchEvent(MotionEvent event); 322 323 /** 324 * Called to process trackball events. At the very least your 325 * implementation must call 326 * {@link android.view.Window#superDispatchTrackballEvent} to do the 327 * standard trackball processing. 328 * 329 * @param event The trackball event. 330 * 331 * @return boolean Return true if this event was consumed. 332 */ 333 public boolean dispatchTrackballEvent(MotionEvent event); 334 335 /** 336 * Called to process generic motion events. At the very least your 337 * implementation must call 338 * {@link android.view.Window#superDispatchGenericMotionEvent} to do the 339 * standard processing. 340 * 341 * @param event The generic motion event. 342 * 343 * @return boolean Return true if this event was consumed. 344 */ 345 public boolean dispatchGenericMotionEvent(MotionEvent event); 346 347 /** 348 * Called to process population of {@link AccessibilityEvent}s. 349 * 350 * @param event The event. 351 * 352 * @return boolean Return true if event population was completed. 353 */ 354 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event); 355 356 /** 357 * Instantiate the view to display in the panel for 'featureId'. 358 * You can return null, in which case the default content (typically 359 * a menu) will be created for you. 360 * 361 * @param featureId Which panel is being created. 362 * 363 * @return view The top-level view to place in the panel. 364 * 365 * @see #onPreparePanel 366 */ 367 @Nullable 368 public View onCreatePanelView(int featureId); 369 370 /** 371 * Initialize the contents of the menu for panel 'featureId'. This is 372 * called if onCreatePanelView() returns null, giving you a standard 373 * menu in which you can place your items. It is only called once for 374 * the panel, the first time it is shown. 375 * 376 * <p>You can safely hold on to <var>menu</var> (and any items created 377 * from it), making modifications to it as desired, until the next 378 * time onCreatePanelMenu() is called for this feature. 379 * 380 * @param featureId The panel being created. 381 * @param menu The menu inside the panel. 382 * 383 * @return boolean You must return true for the panel to be displayed; 384 * if you return false it will not be shown. 385 */ 386 public boolean onCreatePanelMenu(int featureId, Menu menu); 387 388 /** 389 * Prepare a panel to be displayed. This is called right before the 390 * panel window is shown, every time it is shown. 391 * 392 * @param featureId The panel that is being displayed. 393 * @param view The View that was returned by onCreatePanelView(). 394 * @param menu If onCreatePanelView() returned null, this is the Menu 395 * being displayed in the panel. 396 * 397 * @return boolean You must return true for the panel to be displayed; 398 * if you return false it will not be shown. 399 * 400 * @see #onCreatePanelView 401 */ 402 public boolean onPreparePanel(int featureId, View view, Menu menu); 403 404 /** 405 * Called when a panel's menu is opened by the user. This may also be 406 * called when the menu is changing from one type to another (for 407 * example, from the icon menu to the expanded menu). 408 * 409 * @param featureId The panel that the menu is in. 410 * @param menu The menu that is opened. 411 * @return Return true to allow the menu to open, or false to prevent 412 * the menu from opening. 413 */ 414 public boolean onMenuOpened(int featureId, Menu menu); 415 416 /** 417 * Called when a panel's menu item has been selected by the user. 418 * 419 * @param featureId The panel that the menu is in. 420 * @param item The menu item that was selected. 421 * 422 * @return boolean Return true to finish processing of selection, or 423 * false to perform the normal menu handling (calling its 424 * Runnable or sending a Message to its target Handler). 425 */ 426 public boolean onMenuItemSelected(int featureId, MenuItem item); 427 428 /** 429 * This is called whenever the current window attributes change. 430 * 431 */ 432 public void onWindowAttributesChanged(WindowManager.LayoutParams attrs); 433 434 /** 435 * This hook is called whenever the content view of the screen changes 436 * (due to a call to 437 * {@link Window#setContentView(View, android.view.ViewGroup.LayoutParams) 438 * Window.setContentView} or 439 * {@link Window#addContentView(View, android.view.ViewGroup.LayoutParams) 440 * Window.addContentView}). 441 */ 442 public void onContentChanged(); 443 444 /** 445 * This hook is called whenever the window focus changes. See 446 * {@link View#onWindowFocusChanged(boolean) 447 * View.onWindowFocusChangedNotLocked(boolean)} for more information. 448 * 449 * @param hasFocus Whether the window now has focus. 450 */ 451 public void onWindowFocusChanged(boolean hasFocus); 452 453 /** 454 * Called when the window has been attached to the window manager. 455 * See {@link View#onAttachedToWindow() View.onAttachedToWindow()} 456 * for more information. 457 */ 458 public void onAttachedToWindow(); 459 460 /** 461 * Called when the window has been attached to the window manager. 462 * See {@link View#onDetachedFromWindow() View.onDetachedFromWindow()} 463 * for more information. 464 */ 465 public void onDetachedFromWindow(); 466 467 /** 468 * Called when a panel is being closed. If another logical subsequent 469 * panel is being opened (and this panel is being closed to make room for the subsequent 470 * panel), this method will NOT be called. 471 * 472 * @param featureId The panel that is being displayed. 473 * @param menu If onCreatePanelView() returned null, this is the Menu 474 * being displayed in the panel. 475 */ 476 public void onPanelClosed(int featureId, Menu menu); 477 478 /** 479 * Called when the user signals the desire to start a search. 480 * 481 * @return true if search launched, false if activity refuses (blocks) 482 * 483 * @see android.app.Activity#onSearchRequested() 484 */ 485 public boolean onSearchRequested(); 486 487 /** 488 * Called when the user signals the desire to start a search. 489 * 490 * @param searchEvent A {@link SearchEvent} describing the signal to 491 * start a search. 492 * @return true if search launched, false if activity refuses (blocks) 493 */ 494 public boolean onSearchRequested(SearchEvent searchEvent); 495 496 /** 497 * Called when an action mode is being started for this window. Gives the 498 * callback an opportunity to handle the action mode in its own unique and 499 * beautiful way. If this method returns null the system can choose a way 500 * to present the mode or choose not to start the mode at all. This is equivalent 501 * to {@link #onWindowStartingActionMode(android.view.ActionMode.Callback, int)} 502 * with type {@link ActionMode#TYPE_PRIMARY}. 503 * 504 * @param callback Callback to control the lifecycle of this action mode 505 * @return The ActionMode that was started, or null if the system should present it 506 */ 507 @Nullable 508 public ActionMode onWindowStartingActionMode(ActionMode.Callback callback); 509 510 /** 511 * Called when an action mode is being started for this window. Gives the 512 * callback an opportunity to handle the action mode in its own unique and 513 * beautiful way. If this method returns null the system can choose a way 514 * to present the mode or choose not to start the mode at all. 515 * 516 * @param callback Callback to control the lifecycle of this action mode 517 * @param type One of {@link ActionMode#TYPE_PRIMARY} or {@link ActionMode#TYPE_FLOATING}. 518 * @return The ActionMode that was started, or null if the system should present it 519 */ 520 @Nullable 521 public ActionMode onWindowStartingActionMode(ActionMode.Callback callback, int type); 522 523 /** 524 * Called when an action mode has been started. The appropriate mode callback 525 * method will have already been invoked. 526 * 527 * @param mode The new mode that has just been started. 528 */ 529 public void onActionModeStarted(ActionMode mode); 530 531 /** 532 * Called when an action mode has been finished. The appropriate mode callback 533 * method will have already been invoked. 534 * 535 * @param mode The mode that was just finished. 536 */ 537 public void onActionModeFinished(ActionMode mode); 538 } 539 540 /** @hide */ 541 public interface OnWindowDismissedCallback { 542 /** 543 * Called when a window is dismissed. This informs the callback that the 544 * window is gone, and it should finish itself. 545 * @param finishTask True if the task should also be finished. 546 */ 547 void onWindowDismissed(boolean finishTask); 548 } 549 550 /** @hide */ 551 public interface WindowControllerCallback { 552 /** 553 * Called to move the window and its activity/task to a different stack container. 554 * For example, a window can move between 555 * {@link android.app.ActivityManager#FULLSCREEN_WORKSPACE_STACK_ID} stack and 556 * {@link android.app.ActivityManager#FREEFORM_WORKSPACE_STACK_ID} stack. 557 * 558 * @param stackId stack Id to change to. 559 */ 560 void changeWindowStack(int stackId) throws RemoteException; 561 562 /** Returns the current stack Id for the window. */ 563 int getWindowStackId() throws RemoteException; 564 } 565 566 public Window(Context context) { 567 mContext = context; 568 mFeatures = mLocalFeatures = getDefaultFeatures(context); 569 } 570 571 /** 572 * Return the Context this window policy is running in, for retrieving 573 * resources and other information. 574 * 575 * @return Context The Context that was supplied to the constructor. 576 */ 577 public final Context getContext() { 578 return mContext; 579 } 580 581 /** 582 * Return the {@link android.R.styleable#Window} attributes from this 583 * window's theme. 584 */ 585 public final TypedArray getWindowStyle() { 586 synchronized (this) { 587 if (mWindowStyle == null) { 588 mWindowStyle = mContext.obtainStyledAttributes( 589 com.android.internal.R.styleable.Window); 590 } 591 return mWindowStyle; 592 } 593 } 594 595 /** 596 * Set the container for this window. If not set, the DecorWindow 597 * operates as a top-level window; otherwise, it negotiates with the 598 * container to display itself appropriately. 599 * 600 * @param container The desired containing Window. 601 */ 602 public void setContainer(Window container) { 603 mContainer = container; 604 if (container != null) { 605 // Embedded screens never have a title. 606 mFeatures |= 1<<FEATURE_NO_TITLE; 607 mLocalFeatures |= 1<<FEATURE_NO_TITLE; 608 container.mHasChildren = true; 609 } 610 } 611 612 /** 613 * Return the container for this Window. 614 * 615 * @return Window The containing window, or null if this is a 616 * top-level window. 617 */ 618 public final Window getContainer() { 619 return mContainer; 620 } 621 622 public final boolean hasChildren() { 623 return mHasChildren; 624 } 625 626 /** @hide */ 627 public final void destroy() { 628 mDestroyed = true; 629 } 630 631 /** @hide */ 632 public final boolean isDestroyed() { 633 return mDestroyed; 634 } 635 636 /** 637 * Set the window manager for use by this Window to, for example, 638 * display panels. This is <em>not</em> used for displaying the 639 * Window itself -- that must be done by the client. 640 * 641 * @param wm The window manager for adding new windows. 642 */ 643 public void setWindowManager(WindowManager wm, IBinder appToken, String appName) { 644 setWindowManager(wm, appToken, appName, false); 645 } 646 647 /** 648 * Set the window manager for use by this Window to, for example, 649 * display panels. This is <em>not</em> used for displaying the 650 * Window itself -- that must be done by the client. 651 * 652 * @param wm The window manager for adding new windows. 653 */ 654 public void setWindowManager(WindowManager wm, IBinder appToken, String appName, 655 boolean hardwareAccelerated) { 656 mAppToken = appToken; 657 mAppName = appName; 658 mHardwareAccelerated = hardwareAccelerated 659 || SystemProperties.getBoolean(PROPERTY_HARDWARE_UI, false); 660 if (wm == null) { 661 wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 662 } 663 mWindowManager = ((WindowManagerImpl)wm).createLocalWindowManager(this); 664 } 665 666 void adjustLayoutParamsForSubWindow(WindowManager.LayoutParams wp) { 667 CharSequence curTitle = wp.getTitle(); 668 if (wp.type >= WindowManager.LayoutParams.FIRST_SUB_WINDOW && 669 wp.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) { 670 if (wp.token == null) { 671 View decor = peekDecorView(); 672 if (decor != null) { 673 wp.token = decor.getWindowToken(); 674 } 675 } 676 if (curTitle == null || curTitle.length() == 0) { 677 String title; 678 if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA) { 679 title = "Media"; 680 } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY) { 681 title = "MediaOvr"; 682 } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_PANEL) { 683 title = "Panel"; 684 } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_SUB_PANEL) { 685 title = "SubPanel"; 686 } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_ABOVE_SUB_PANEL) { 687 title = "AboveSubPanel"; 688 } else if (wp.type == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG) { 689 title = "AtchDlg"; 690 } else { 691 title = Integer.toString(wp.type); 692 } 693 if (mAppName != null) { 694 title += ":" + mAppName; 695 } 696 wp.setTitle(title); 697 } 698 } else if (wp.type >= WindowManager.LayoutParams.FIRST_SYSTEM_WINDOW && 699 wp.type <= WindowManager.LayoutParams.LAST_SYSTEM_WINDOW) { 700 // We don't set the app token to this system window because the life cycles should be 701 // independent. If an app creates a system window and then the app goes to the stopped 702 // state, the system window should not be affected (can still show and receive input 703 // events). 704 if (curTitle == null || curTitle.length() == 0) { 705 String title = "Sys" + Integer.toString(wp.type); 706 if (mAppName != null) { 707 title += ":" + mAppName; 708 } 709 wp.setTitle(title); 710 } 711 } else { 712 if (wp.token == null) { 713 wp.token = mContainer == null ? mAppToken : mContainer.mAppToken; 714 } 715 if ((curTitle == null || curTitle.length() == 0) 716 && mAppName != null) { 717 wp.setTitle(mAppName); 718 } 719 } 720 if (wp.packageName == null) { 721 wp.packageName = mContext.getPackageName(); 722 } 723 if (mHardwareAccelerated) { 724 wp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; 725 } 726 } 727 728 /** 729 * Return the window manager allowing this Window to display its own 730 * windows. 731 * 732 * @return WindowManager The ViewManager. 733 */ 734 public WindowManager getWindowManager() { 735 return mWindowManager; 736 } 737 738 /** 739 * Set the Callback interface for this window, used to intercept key 740 * events and other dynamic operations in the window. 741 * 742 * @param callback The desired Callback interface. 743 */ 744 public void setCallback(Callback callback) { 745 mCallback = callback; 746 } 747 748 /** 749 * Return the current Callback interface for this window. 750 */ 751 public final Callback getCallback() { 752 return mCallback; 753 } 754 755 /** @hide */ 756 public final void setOnWindowDismissedCallback(OnWindowDismissedCallback dcb) { 757 mOnWindowDismissedCallback = dcb; 758 } 759 760 /** @hide */ 761 public final void dispatchOnWindowDismissed(boolean finishTask) { 762 if (mOnWindowDismissedCallback != null) { 763 mOnWindowDismissedCallback.onWindowDismissed(finishTask); 764 } 765 } 766 767 /** @hide */ 768 public final void setWindowControllerCallback(WindowControllerCallback wccb) { 769 mWindowControllerCallback = wccb; 770 } 771 772 /** @hide */ 773 public final WindowControllerCallback getWindowControllerCallback() { 774 return mWindowControllerCallback; 775 } 776 777 /** 778 * Take ownership of this window's surface. The window's view hierarchy 779 * will no longer draw into the surface, though it will otherwise continue 780 * to operate (such as for receiving input events). The given SurfaceHolder 781 * callback will be used to tell you about state changes to the surface. 782 */ 783 public abstract void takeSurface(SurfaceHolder.Callback2 callback); 784 785 /** 786 * Take ownership of this window's InputQueue. The window will no 787 * longer read and dispatch input events from the queue; it is your 788 * responsibility to do so. 789 */ 790 public abstract void takeInputQueue(InputQueue.Callback callback); 791 792 /** 793 * Return whether this window is being displayed with a floating style 794 * (based on the {@link android.R.attr#windowIsFloating} attribute in 795 * the style/theme). 796 * 797 * @return Returns true if the window is configured to be displayed floating 798 * on top of whatever is behind it. 799 */ 800 public abstract boolean isFloating(); 801 802 /** 803 * Set the width and height layout parameters of the window. The default 804 * for both of these is MATCH_PARENT; you can change them to WRAP_CONTENT 805 * or an absolute value to make a window that is not full-screen. 806 * 807 * @param width The desired layout width of the window. 808 * @param height The desired layout height of the window. 809 * 810 * @see ViewGroup.LayoutParams#height 811 * @see ViewGroup.LayoutParams#width 812 */ 813 public void setLayout(int width, int height) { 814 final WindowManager.LayoutParams attrs = getAttributes(); 815 attrs.width = width; 816 attrs.height = height; 817 dispatchWindowAttributesChanged(attrs); 818 } 819 820 /** 821 * Set the gravity of the window, as per the Gravity constants. This 822 * controls how the window manager is positioned in the overall window; it 823 * is only useful when using WRAP_CONTENT for the layout width or height. 824 * 825 * @param gravity The desired gravity constant. 826 * 827 * @see Gravity 828 * @see #setLayout 829 */ 830 public void setGravity(int gravity) 831 { 832 final WindowManager.LayoutParams attrs = getAttributes(); 833 attrs.gravity = gravity; 834 dispatchWindowAttributesChanged(attrs); 835 } 836 837 /** 838 * Set the type of the window, as per the WindowManager.LayoutParams 839 * types. 840 * 841 * @param type The new window type (see WindowManager.LayoutParams). 842 */ 843 public void setType(int type) { 844 final WindowManager.LayoutParams attrs = getAttributes(); 845 attrs.type = type; 846 dispatchWindowAttributesChanged(attrs); 847 } 848 849 /** 850 * Set the format of window, as per the PixelFormat types. This overrides 851 * the default format that is selected by the Window based on its 852 * window decorations. 853 * 854 * @param format The new window format (see PixelFormat). Use 855 * PixelFormat.UNKNOWN to allow the Window to select 856 * the format. 857 * 858 * @see PixelFormat 859 */ 860 public void setFormat(int format) { 861 final WindowManager.LayoutParams attrs = getAttributes(); 862 if (format != PixelFormat.UNKNOWN) { 863 attrs.format = format; 864 mHaveWindowFormat = true; 865 } else { 866 attrs.format = mDefaultWindowFormat; 867 mHaveWindowFormat = false; 868 } 869 dispatchWindowAttributesChanged(attrs); 870 } 871 872 /** 873 * Specify custom animations to use for the window, as per 874 * {@link WindowManager.LayoutParams#windowAnimations 875 * WindowManager.LayoutParams.windowAnimations}. Providing anything besides 876 * 0 here will override the animations the window would 877 * normally retrieve from its theme. 878 */ 879 public void setWindowAnimations(@StyleRes int resId) { 880 final WindowManager.LayoutParams attrs = getAttributes(); 881 attrs.windowAnimations = resId; 882 dispatchWindowAttributesChanged(attrs); 883 } 884 885 /** 886 * Specify an explicit soft input mode to use for the window, as per 887 * {@link WindowManager.LayoutParams#softInputMode 888 * WindowManager.LayoutParams.softInputMode}. Providing anything besides 889 * "unspecified" here will override the input mode the window would 890 * normally retrieve from its theme. 891 */ 892 public void setSoftInputMode(int mode) { 893 final WindowManager.LayoutParams attrs = getAttributes(); 894 if (mode != WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED) { 895 attrs.softInputMode = mode; 896 mHasSoftInputMode = true; 897 } else { 898 mHasSoftInputMode = false; 899 } 900 dispatchWindowAttributesChanged(attrs); 901 } 902 903 /** 904 * Convenience function to set the flag bits as specified in flags, as 905 * per {@link #setFlags}. 906 * @param flags The flag bits to be set. 907 * @see #setFlags 908 * @see #clearFlags 909 */ 910 public void addFlags(int flags) { 911 setFlags(flags, flags); 912 } 913 914 /** @hide */ 915 public void addPrivateFlags(int flags) { 916 setPrivateFlags(flags, flags); 917 } 918 919 /** 920 * Convenience function to clear the flag bits as specified in flags, as 921 * per {@link #setFlags}. 922 * @param flags The flag bits to be cleared. 923 * @see #setFlags 924 * @see #addFlags 925 */ 926 public void clearFlags(int flags) { 927 setFlags(0, flags); 928 } 929 930 /** 931 * Set the flags of the window, as per the 932 * {@link WindowManager.LayoutParams WindowManager.LayoutParams} 933 * flags. 934 * 935 * <p>Note that some flags must be set before the window decoration is 936 * created (by the first call to 937 * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} or 938 * {@link #getDecorView()}: 939 * {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_SCREEN} and 940 * {@link WindowManager.LayoutParams#FLAG_LAYOUT_INSET_DECOR}. These 941 * will be set for you based on the {@link android.R.attr#windowIsFloating} 942 * attribute. 943 * 944 * @param flags The new window flags (see WindowManager.LayoutParams). 945 * @param mask Which of the window flag bits to modify. 946 * @see #addFlags 947 * @see #clearFlags 948 */ 949 public void setFlags(int flags, int mask) { 950 final WindowManager.LayoutParams attrs = getAttributes(); 951 attrs.flags = (attrs.flags&~mask) | (flags&mask); 952 mForcedWindowFlags |= mask; 953 dispatchWindowAttributesChanged(attrs); 954 } 955 956 private void setPrivateFlags(int flags, int mask) { 957 final WindowManager.LayoutParams attrs = getAttributes(); 958 attrs.privateFlags = (attrs.privateFlags & ~mask) | (flags & mask); 959 dispatchWindowAttributesChanged(attrs); 960 } 961 962 /** 963 * {@hide} 964 */ 965 protected void setNeedsMenuKey(int value) { 966 final WindowManager.LayoutParams attrs = getAttributes(); 967 attrs.needsMenuKey = value; 968 dispatchWindowAttributesChanged(attrs); 969 } 970 971 /** 972 * {@hide} 973 */ 974 protected void dispatchWindowAttributesChanged(WindowManager.LayoutParams attrs) { 975 if (mCallback != null) { 976 mCallback.onWindowAttributesChanged(attrs); 977 } 978 } 979 980 /** 981 * Set the amount of dim behind the window when using 982 * {@link WindowManager.LayoutParams#FLAG_DIM_BEHIND}. This overrides 983 * the default dim amount of that is selected by the Window based on 984 * its theme. 985 * 986 * @param amount The new dim amount, from 0 for no dim to 1 for full dim. 987 */ 988 public void setDimAmount(float amount) { 989 final WindowManager.LayoutParams attrs = getAttributes(); 990 attrs.dimAmount = amount; 991 mHaveDimAmount = true; 992 dispatchWindowAttributesChanged(attrs); 993 } 994 995 /** 996 * Specify custom window attributes. <strong>PLEASE NOTE:</strong> the 997 * layout params you give here should generally be from values previously 998 * retrieved with {@link #getAttributes()}; you probably do not want to 999 * blindly create and apply your own, since this will blow away any values 1000 * set by the framework that you are not interested in. 1001 * 1002 * @param a The new window attributes, which will completely override any 1003 * current values. 1004 */ 1005 public void setAttributes(WindowManager.LayoutParams a) { 1006 mWindowAttributes.copyFrom(a); 1007 dispatchWindowAttributesChanged(mWindowAttributes); 1008 } 1009 1010 /** 1011 * Retrieve the current window attributes associated with this panel. 1012 * 1013 * @return WindowManager.LayoutParams Either the existing window 1014 * attributes object, or a freshly created one if there is none. 1015 */ 1016 public final WindowManager.LayoutParams getAttributes() { 1017 return mWindowAttributes; 1018 } 1019 1020 /** 1021 * Return the window flags that have been explicitly set by the client, 1022 * so will not be modified by {@link #getDecorView}. 1023 */ 1024 protected final int getForcedWindowFlags() { 1025 return mForcedWindowFlags; 1026 } 1027 1028 /** 1029 * Has the app specified their own soft input mode? 1030 */ 1031 protected final boolean hasSoftInputMode() { 1032 return mHasSoftInputMode; 1033 } 1034 1035 /** @hide */ 1036 public void setCloseOnTouchOutside(boolean close) { 1037 mCloseOnTouchOutside = close; 1038 mSetCloseOnTouchOutside = true; 1039 } 1040 1041 /** @hide */ 1042 public void setCloseOnTouchOutsideIfNotSet(boolean close) { 1043 if (!mSetCloseOnTouchOutside) { 1044 mCloseOnTouchOutside = close; 1045 mSetCloseOnTouchOutside = true; 1046 } 1047 } 1048 1049 /** @hide */ 1050 @SystemApi 1051 public void setDisableWallpaperTouchEvents(boolean disable) { 1052 setPrivateFlags(disable 1053 ? WindowManager.LayoutParams.PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS : 0, 1054 WindowManager.LayoutParams.PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS); 1055 } 1056 1057 /** @hide */ 1058 public abstract void alwaysReadCloseOnTouchAttr(); 1059 1060 /** @hide */ 1061 public boolean shouldCloseOnTouch(Context context, MotionEvent event) { 1062 if (mCloseOnTouchOutside && event.getAction() == MotionEvent.ACTION_DOWN 1063 && isOutOfBounds(context, event) && peekDecorView() != null) { 1064 return true; 1065 } 1066 return false; 1067 } 1068 1069 private boolean isOutOfBounds(Context context, MotionEvent event) { 1070 final int x = (int) event.getX(); 1071 final int y = (int) event.getY(); 1072 final int slop = ViewConfiguration.get(context).getScaledWindowTouchSlop(); 1073 final View decorView = getDecorView(); 1074 return (x < -slop) || (y < -slop) 1075 || (x > (decorView.getWidth()+slop)) 1076 || (y > (decorView.getHeight()+slop)); 1077 } 1078 1079 /** 1080 * Enable extended screen features. This must be called before 1081 * setContentView(). May be called as many times as desired as long as it 1082 * is before setContentView(). If not called, no extended features 1083 * will be available. You can not turn off a feature once it is requested. 1084 * You canot use other title features with {@link #FEATURE_CUSTOM_TITLE}. 1085 * 1086 * @param featureId The desired features, defined as constants by Window. 1087 * @return The features that are now set. 1088 */ 1089 public boolean requestFeature(int featureId) { 1090 final int flag = 1<<featureId; 1091 mFeatures |= flag; 1092 mLocalFeatures |= mContainer != null ? (flag&~mContainer.mFeatures) : flag; 1093 return (mFeatures&flag) != 0; 1094 } 1095 1096 /** 1097 * @hide Used internally to help resolve conflicting features. 1098 */ 1099 protected void removeFeature(int featureId) { 1100 final int flag = 1<<featureId; 1101 mFeatures &= ~flag; 1102 mLocalFeatures &= ~(mContainer != null ? (flag&~mContainer.mFeatures) : flag); 1103 } 1104 1105 public final void makeActive() { 1106 if (mContainer != null) { 1107 if (mContainer.mActiveChild != null) { 1108 mContainer.mActiveChild.mIsActive = false; 1109 } 1110 mContainer.mActiveChild = this; 1111 } 1112 mIsActive = true; 1113 onActive(); 1114 } 1115 1116 public final boolean isActive() 1117 { 1118 return mIsActive; 1119 } 1120 1121 /** 1122 * Finds a view that was identified by the id attribute from the XML that 1123 * was processed in {@link android.app.Activity#onCreate}. This will 1124 * implicitly call {@link #getDecorView} for you, with all of the 1125 * associated side-effects. 1126 * 1127 * @return The view if found or null otherwise. 1128 */ 1129 @Nullable 1130 public View findViewById(@IdRes int id) { 1131 return getDecorView().findViewById(id); 1132 } 1133 1134 /** 1135 * Convenience for 1136 * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} 1137 * to set the screen content from a layout resource. The resource will be 1138 * inflated, adding all top-level views to the screen. 1139 * 1140 * @param layoutResID Resource ID to be inflated. 1141 * @see #setContentView(View, android.view.ViewGroup.LayoutParams) 1142 */ 1143 public abstract void setContentView(@LayoutRes int layoutResID); 1144 1145 /** 1146 * Convenience for 1147 * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} 1148 * set the screen content to an explicit view. This view is placed 1149 * directly into the screen's view hierarchy. It can itself be a complex 1150 * view hierarhcy. 1151 * 1152 * @param view The desired content to display. 1153 * @see #setContentView(View, android.view.ViewGroup.LayoutParams) 1154 */ 1155 public abstract void setContentView(View view); 1156 1157 /** 1158 * Set the screen content to an explicit view. This view is placed 1159 * directly into the screen's view hierarchy. It can itself be a complex 1160 * view hierarchy. 1161 * 1162 * <p>Note that calling this function "locks in" various characteristics 1163 * of the window that can not, from this point forward, be changed: the 1164 * features that have been requested with {@link #requestFeature(int)}, 1165 * and certain window flags as described in {@link #setFlags(int, int)}.</p> 1166 * 1167 * <p>If {@link #FEATURE_CONTENT_TRANSITIONS} is set, the window's 1168 * TransitionManager will be used to animate content from the current 1169 * content View to view.</p> 1170 * 1171 * @param view The desired content to display. 1172 * @param params Layout parameters for the view. 1173 * @see #getTransitionManager() 1174 * @see #setTransitionManager(android.transition.TransitionManager) 1175 */ 1176 public abstract void setContentView(View view, ViewGroup.LayoutParams params); 1177 1178 /** 1179 * Variation on 1180 * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} 1181 * to add an additional content view to the screen. Added after any existing 1182 * ones in the screen -- existing views are NOT removed. 1183 * 1184 * @param view The desired content to display. 1185 * @param params Layout parameters for the view. 1186 */ 1187 public abstract void addContentView(View view, ViewGroup.LayoutParams params); 1188 1189 /** 1190 * Remove the view that was used as the screen content. 1191 * 1192 * @hide 1193 */ 1194 public abstract void clearContentView(); 1195 1196 /** 1197 * Return the view in this Window that currently has focus, or null if 1198 * there are none. Note that this does not look in any containing 1199 * Window. 1200 * 1201 * @return View The current View with focus or null. 1202 */ 1203 @Nullable 1204 public abstract View getCurrentFocus(); 1205 1206 /** 1207 * Quick access to the {@link LayoutInflater} instance that this Window 1208 * retrieved from its Context. 1209 * 1210 * @return LayoutInflater The shared LayoutInflater. 1211 */ 1212 @NonNull 1213 public abstract LayoutInflater getLayoutInflater(); 1214 1215 public abstract void setTitle(CharSequence title); 1216 1217 @Deprecated 1218 public abstract void setTitleColor(@ColorInt int textColor); 1219 1220 public abstract void openPanel(int featureId, KeyEvent event); 1221 1222 public abstract void closePanel(int featureId); 1223 1224 public abstract void togglePanel(int featureId, KeyEvent event); 1225 1226 public abstract void invalidatePanelMenu(int featureId); 1227 1228 public abstract boolean performPanelShortcut(int featureId, 1229 int keyCode, 1230 KeyEvent event, 1231 int flags); 1232 public abstract boolean performPanelIdentifierAction(int featureId, 1233 int id, 1234 int flags); 1235 1236 public abstract void closeAllPanels(); 1237 1238 public abstract boolean performContextMenuIdentifierAction(int id, int flags); 1239 1240 /** 1241 * Should be called when the configuration is changed. 1242 * 1243 * @param newConfig The new configuration. 1244 */ 1245 public abstract void onConfigurationChanged(Configuration newConfig); 1246 1247 /** 1248 * Sets the window elevation. 1249 * <p> 1250 * Changes to this property take effect immediately and will cause the 1251 * window surface to be recreated. This is an expensive operation and as a 1252 * result, this property should not be animated. 1253 * 1254 * @param elevation The window elevation. 1255 * @see View#setElevation(float) 1256 * @see android.R.styleable#Window_windowElevation 1257 */ 1258 public void setElevation(float elevation) {} 1259 1260 /** 1261 * Gets the window elevation. 1262 * 1263 * @hide 1264 */ 1265 public float getElevation() { 1266 return 0.0f; 1267 } 1268 1269 /** 1270 * Sets whether window content should be clipped to the outline of the 1271 * window background. 1272 * 1273 * @param clipToOutline Whether window content should be clipped to the 1274 * outline of the window background. 1275 * @see View#setClipToOutline(boolean) 1276 * @see android.R.styleable#Window_windowClipToOutline 1277 */ 1278 public void setClipToOutline(boolean clipToOutline) {} 1279 1280 /** 1281 * Change the background of this window to a Drawable resource. Setting the 1282 * background to null will make the window be opaque. To make the window 1283 * transparent, you can use an empty drawable (for instance a ColorDrawable 1284 * with the color 0 or the system drawable android:drawable/empty.) 1285 * 1286 * @param resId The resource identifier of a drawable resource which will 1287 * be installed as the new background. 1288 */ 1289 public void setBackgroundDrawableResource(@DrawableRes int resId) { 1290 setBackgroundDrawable(mContext.getDrawable(resId)); 1291 } 1292 1293 /** 1294 * Change the background of this window to a custom Drawable. Setting the 1295 * background to null will make the window be opaque. To make the window 1296 * transparent, you can use an empty drawable (for instance a ColorDrawable 1297 * with the color 0 or the system drawable android:drawable/empty.) 1298 * 1299 * @param drawable The new Drawable to use for this window's background. 1300 */ 1301 public abstract void setBackgroundDrawable(Drawable drawable); 1302 1303 /** 1304 * Set the value for a drawable feature of this window, from a resource 1305 * identifier. You must have called requestFeature(featureId) before 1306 * calling this function. 1307 * 1308 * @see android.content.res.Resources#getDrawable(int) 1309 * 1310 * @param featureId The desired drawable feature to change, defined as a 1311 * constant by Window. 1312 * @param resId Resource identifier of the desired image. 1313 */ 1314 public abstract void setFeatureDrawableResource(int featureId, @DrawableRes int resId); 1315 1316 /** 1317 * Set the value for a drawable feature of this window, from a URI. You 1318 * must have called requestFeature(featureId) before calling this 1319 * function. 1320 * 1321 * <p>The only URI currently supported is "content:", specifying an image 1322 * in a content provider. 1323 * 1324 * @see android.widget.ImageView#setImageURI 1325 * 1326 * @param featureId The desired drawable feature to change. Features are 1327 * constants defined by Window. 1328 * @param uri The desired URI. 1329 */ 1330 public abstract void setFeatureDrawableUri(int featureId, Uri uri); 1331 1332 /** 1333 * Set an explicit Drawable value for feature of this window. You must 1334 * have called requestFeature(featureId) before calling this function. 1335 * 1336 * @param featureId The desired drawable feature to change. Features are 1337 * constants defined by Window. 1338 * @param drawable A Drawable object to display. 1339 */ 1340 public abstract void setFeatureDrawable(int featureId, Drawable drawable); 1341 1342 /** 1343 * Set a custom alpha value for the given drawable feature, controlling how 1344 * much the background is visible through it. 1345 * 1346 * @param featureId The desired drawable feature to change. Features are 1347 * constants defined by Window. 1348 * @param alpha The alpha amount, 0 is completely transparent and 255 is 1349 * completely opaque. 1350 */ 1351 public abstract void setFeatureDrawableAlpha(int featureId, int alpha); 1352 1353 /** 1354 * Set the integer value for a feature. The range of the value depends on 1355 * the feature being set. For {@link #FEATURE_PROGRESS}, it should go from 1356 * 0 to 10000. At 10000 the progress is complete and the indicator hidden. 1357 * 1358 * @param featureId The desired feature to change. Features are constants 1359 * defined by Window. 1360 * @param value The value for the feature. The interpretation of this 1361 * value is feature-specific. 1362 */ 1363 public abstract void setFeatureInt(int featureId, int value); 1364 1365 /** 1366 * Request that key events come to this activity. Use this if your 1367 * activity has no views with focus, but the activity still wants 1368 * a chance to process key events. 1369 */ 1370 public abstract void takeKeyEvents(boolean get); 1371 1372 /** 1373 * Used by custom windows, such as Dialog, to pass the key press event 1374 * further down the view hierarchy. Application developers should 1375 * not need to implement or call this. 1376 * 1377 */ 1378 public abstract boolean superDispatchKeyEvent(KeyEvent event); 1379 1380 /** 1381 * Used by custom windows, such as Dialog, to pass the key shortcut press event 1382 * further down the view hierarchy. Application developers should 1383 * not need to implement or call this. 1384 * 1385 */ 1386 public abstract boolean superDispatchKeyShortcutEvent(KeyEvent event); 1387 1388 /** 1389 * Used by custom windows, such as Dialog, to pass the touch screen event 1390 * further down the view hierarchy. Application developers should 1391 * not need to implement or call this. 1392 * 1393 */ 1394 public abstract boolean superDispatchTouchEvent(MotionEvent event); 1395 1396 /** 1397 * Used by custom windows, such as Dialog, to pass the trackball event 1398 * further down the view hierarchy. Application developers should 1399 * not need to implement or call this. 1400 * 1401 */ 1402 public abstract boolean superDispatchTrackballEvent(MotionEvent event); 1403 1404 /** 1405 * Used by custom windows, such as Dialog, to pass the generic motion event 1406 * further down the view hierarchy. Application developers should 1407 * not need to implement or call this. 1408 * 1409 */ 1410 public abstract boolean superDispatchGenericMotionEvent(MotionEvent event); 1411 1412 /** 1413 * Retrieve the top-level window decor view (containing the standard 1414 * window frame/decorations and the client's content inside of that), which 1415 * can be added as a window to the window manager. 1416 * 1417 * <p><em>Note that calling this function for the first time "locks in" 1418 * various window characteristics as described in 1419 * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)}.</em></p> 1420 * 1421 * @return Returns the top-level window decor view. 1422 */ 1423 public abstract View getDecorView(); 1424 1425 /** 1426 * Retrieve the current decor view, but only if it has already been created; 1427 * otherwise returns null. 1428 * 1429 * @return Returns the top-level window decor or null. 1430 * @see #getDecorView 1431 */ 1432 public abstract View peekDecorView(); 1433 1434 public abstract Bundle saveHierarchyState(); 1435 1436 public abstract void restoreHierarchyState(Bundle savedInstanceState); 1437 1438 protected abstract void onActive(); 1439 1440 /** 1441 * Return the feature bits that are enabled. This is the set of features 1442 * that were given to requestFeature(), and are being handled by this 1443 * Window itself or its container. That is, it is the set of 1444 * requested features that you can actually use. 1445 * 1446 * <p>To do: add a public version of this API that allows you to check for 1447 * features by their feature ID. 1448 * 1449 * @return int The feature bits. 1450 */ 1451 protected final int getFeatures() 1452 { 1453 return mFeatures; 1454 } 1455 1456 /** 1457 * Return the feature bits set by default on a window. 1458 * @param context The context used to access resources 1459 */ 1460 public static int getDefaultFeatures(Context context) { 1461 int features = 0; 1462 1463 final Resources res = context.getResources(); 1464 if (res.getBoolean(com.android.internal.R.bool.config_defaultWindowFeatureOptionsPanel)) { 1465 features |= 1 << FEATURE_OPTIONS_PANEL; 1466 } 1467 1468 if (res.getBoolean(com.android.internal.R.bool.config_defaultWindowFeatureContextMenu)) { 1469 features |= 1 << FEATURE_CONTEXT_MENU; 1470 } 1471 1472 return features; 1473 } 1474 1475 /** 1476 * Query for the availability of a certain feature. 1477 * 1478 * @param feature The feature ID to check 1479 * @return true if the feature is enabled, false otherwise. 1480 */ 1481 public boolean hasFeature(int feature) { 1482 return (getFeatures() & (1 << feature)) != 0; 1483 } 1484 1485 /** 1486 * Return the feature bits that are being implemented by this Window. 1487 * This is the set of features that were given to requestFeature(), and are 1488 * being handled by only this Window itself, not by its containers. 1489 * 1490 * @return int The feature bits. 1491 */ 1492 protected final int getLocalFeatures() 1493 { 1494 return mLocalFeatures; 1495 } 1496 1497 /** 1498 * Set the default format of window, as per the PixelFormat types. This 1499 * is the format that will be used unless the client specifies in explicit 1500 * format with setFormat(); 1501 * 1502 * @param format The new window format (see PixelFormat). 1503 * 1504 * @see #setFormat 1505 * @see PixelFormat 1506 */ 1507 protected void setDefaultWindowFormat(int format) { 1508 mDefaultWindowFormat = format; 1509 if (!mHaveWindowFormat) { 1510 final WindowManager.LayoutParams attrs = getAttributes(); 1511 attrs.format = format; 1512 dispatchWindowAttributesChanged(attrs); 1513 } 1514 } 1515 1516 /** @hide */ 1517 protected boolean haveDimAmount() { 1518 return mHaveDimAmount; 1519 } 1520 1521 public abstract void setChildDrawable(int featureId, Drawable drawable); 1522 1523 public abstract void setChildInt(int featureId, int value); 1524 1525 /** 1526 * Is a keypress one of the defined shortcut keys for this window. 1527 * @param keyCode the key code from {@link android.view.KeyEvent} to check. 1528 * @param event the {@link android.view.KeyEvent} to use to help check. 1529 */ 1530 public abstract boolean isShortcutKey(int keyCode, KeyEvent event); 1531 1532 /** 1533 * @see android.app.Activity#setVolumeControlStream(int) 1534 */ 1535 public abstract void setVolumeControlStream(int streamType); 1536 1537 /** 1538 * @see android.app.Activity#getVolumeControlStream() 1539 */ 1540 public abstract int getVolumeControlStream(); 1541 1542 /** 1543 * Sets a {@link MediaController} to send media keys and volume changes to. 1544 * If set, this should be preferred for all media keys and volume requests 1545 * sent to this window. 1546 * 1547 * @param controller The controller for the session which should receive 1548 * media keys and volume changes. 1549 * @see android.app.Activity#setMediaController(android.media.session.MediaController) 1550 */ 1551 public void setMediaController(MediaController controller) { 1552 } 1553 1554 /** 1555 * Gets the {@link MediaController} that was previously set. 1556 * 1557 * @return The controller which should receive events. 1558 * @see #setMediaController(android.media.session.MediaController) 1559 * @see android.app.Activity#getMediaController() 1560 */ 1561 public MediaController getMediaController() { 1562 return null; 1563 } 1564 1565 /** 1566 * Set extra options that will influence the UI for this window. 1567 * @param uiOptions Flags specifying extra options for this window. 1568 */ 1569 public void setUiOptions(int uiOptions) { } 1570 1571 /** 1572 * Set extra options that will influence the UI for this window. 1573 * Only the bits filtered by mask will be modified. 1574 * @param uiOptions Flags specifying extra options for this window. 1575 * @param mask Flags specifying which options should be modified. Others will remain unchanged. 1576 */ 1577 public void setUiOptions(int uiOptions, int mask) { } 1578 1579 /** 1580 * Set the primary icon for this window. 1581 * 1582 * @param resId resource ID of a drawable to set 1583 */ 1584 public void setIcon(@DrawableRes int resId) { } 1585 1586 /** 1587 * Set the default icon for this window. 1588 * This will be overridden by any other icon set operation which could come from the 1589 * theme or another explicit set. 1590 * 1591 * @hide 1592 */ 1593 public void setDefaultIcon(@DrawableRes int resId) { } 1594 1595 /** 1596 * Set the logo for this window. A logo is often shown in place of an 1597 * {@link #setIcon(int) icon} but is generally wider and communicates window title information 1598 * as well. 1599 * 1600 * @param resId resource ID of a drawable to set 1601 */ 1602 public void setLogo(@DrawableRes int resId) { } 1603 1604 /** 1605 * Set the default logo for this window. 1606 * This will be overridden by any other logo set operation which could come from the 1607 * theme or another explicit set. 1608 * 1609 * @hide 1610 */ 1611 public void setDefaultLogo(@DrawableRes int resId) { } 1612 1613 /** 1614 * Set focus locally. The window should have the 1615 * {@link WindowManager.LayoutParams#FLAG_LOCAL_FOCUS_MODE} flag set already. 1616 * @param hasFocus Whether this window has focus or not. 1617 * @param inTouchMode Whether this window is in touch mode or not. 1618 */ 1619 public void setLocalFocus(boolean hasFocus, boolean inTouchMode) { } 1620 1621 /** 1622 * Inject an event to window locally. 1623 * @param event A key or touch event to inject to this window. 1624 */ 1625 public void injectInputEvent(InputEvent event) { } 1626 1627 /** 1628 * Retrieve the {@link TransitionManager} responsible for for default transitions 1629 * in this window. Requires {@link #FEATURE_CONTENT_TRANSITIONS}. 1630 * 1631 * <p>This method will return non-null after content has been initialized (e.g. by using 1632 * {@link #setContentView}) if {@link #FEATURE_CONTENT_TRANSITIONS} has been granted.</p> 1633 * 1634 * @return This window's content TransitionManager or null if none is set. 1635 * @attr ref android.R.styleable#Window_windowContentTransitionManager 1636 */ 1637 public TransitionManager getTransitionManager() { 1638 return null; 1639 } 1640 1641 /** 1642 * Set the {@link TransitionManager} to use for default transitions in this window. 1643 * Requires {@link #FEATURE_CONTENT_TRANSITIONS}. 1644 * 1645 * @param tm The TransitionManager to use for scene changes. 1646 * @attr ref android.R.styleable#Window_windowContentTransitionManager 1647 */ 1648 public void setTransitionManager(TransitionManager tm) { 1649 throw new UnsupportedOperationException(); 1650 } 1651 1652 /** 1653 * Retrieve the {@link Scene} representing this window's current content. 1654 * Requires {@link #FEATURE_CONTENT_TRANSITIONS}. 1655 * 1656 * <p>This method will return null if the current content is not represented by a Scene.</p> 1657 * 1658 * @return Current Scene being shown or null 1659 */ 1660 public Scene getContentScene() { 1661 return null; 1662 } 1663 1664 /** 1665 * Sets the Transition that will be used to move Views into the initial scene. The entering 1666 * Views will be those that are regular Views or ViewGroups that have 1667 * {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1668 * {@link android.transition.Visibility} as entering is governed by changing visibility from 1669 * {@link View#INVISIBLE} to {@link View#VISIBLE}. If <code>transition</code> is null, 1670 * entering Views will remain unaffected. 1671 * 1672 * @param transition The Transition to use to move Views into the initial Scene. 1673 * @attr ref android.R.styleable#Window_windowEnterTransition 1674 */ 1675 public void setEnterTransition(Transition transition) {} 1676 1677 /** 1678 * Sets the Transition that will be used to move Views out of the scene when the Window is 1679 * preparing to close, for example after a call to 1680 * {@link android.app.Activity#finishAfterTransition()}. The exiting 1681 * Views will be those that are regular Views or ViewGroups that have 1682 * {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1683 * {@link android.transition.Visibility} as entering is governed by changing visibility from 1684 * {@link View#VISIBLE} to {@link View#INVISIBLE}. If <code>transition</code> is null, 1685 * entering Views will remain unaffected. If nothing is set, the default will be to 1686 * use the same value as set in {@link #setEnterTransition(android.transition.Transition)}. 1687 * 1688 * @param transition The Transition to use to move Views out of the Scene when the Window 1689 * is preparing to close. 1690 * @attr ref android.R.styleable#Window_windowReturnTransition 1691 */ 1692 public void setReturnTransition(Transition transition) {} 1693 1694 /** 1695 * Sets the Transition that will be used to move Views out of the scene when starting a 1696 * new Activity. The exiting Views will be those that are regular Views or ViewGroups that 1697 * have {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1698 * {@link android.transition.Visibility} as exiting is governed by changing visibility 1699 * from {@link View#VISIBLE} to {@link View#INVISIBLE}. If transition is null, the views will 1700 * remain unaffected. Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1701 * 1702 * @param transition The Transition to use to move Views out of the scene when calling a 1703 * new Activity. 1704 * @attr ref android.R.styleable#Window_windowExitTransition 1705 */ 1706 public void setExitTransition(Transition transition) {} 1707 1708 /** 1709 * Sets the Transition that will be used to move Views in to the scene when returning from 1710 * a previously-started Activity. The entering Views will be those that are regular Views 1711 * or ViewGroups that have {@link ViewGroup#isTransitionGroup} return true. Typical Transitions 1712 * will extend {@link android.transition.Visibility} as exiting is governed by changing 1713 * visibility from {@link View#VISIBLE} to {@link View#INVISIBLE}. If transition is null, 1714 * the views will remain unaffected. If nothing is set, the default will be to use the same 1715 * transition as {@link #setExitTransition(android.transition.Transition)}. 1716 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1717 * 1718 * @param transition The Transition to use to move Views into the scene when reentering from a 1719 * previously-started Activity. 1720 * @attr ref android.R.styleable#Window_windowReenterTransition 1721 */ 1722 public void setReenterTransition(Transition transition) {} 1723 1724 /** 1725 * Returns the transition used to move Views into the initial scene. The entering 1726 * Views will be those that are regular Views or ViewGroups that have 1727 * {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1728 * {@link android.transition.Visibility} as entering is governed by changing visibility from 1729 * {@link View#INVISIBLE} to {@link View#VISIBLE}. If <code>transition</code> is null, 1730 * entering Views will remain unaffected. Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1731 * 1732 * @return the Transition to use to move Views into the initial Scene. 1733 * @attr ref android.R.styleable#Window_windowEnterTransition 1734 */ 1735 public Transition getEnterTransition() { return null; } 1736 1737 /** 1738 * Returns he Transition that will be used to move Views out of the scene when the Window is 1739 * preparing to close, for example after a call to 1740 * {@link android.app.Activity#finishAfterTransition()}. The exiting 1741 * Views will be those that are regular Views or ViewGroups that have 1742 * {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1743 * {@link android.transition.Visibility} as entering is governed by changing visibility from 1744 * {@link View#VISIBLE} to {@link View#INVISIBLE}. 1745 * 1746 * @return The Transition to use to move Views out of the Scene when the Window 1747 * is preparing to close. 1748 * @attr ref android.R.styleable#Window_windowReturnTransition 1749 */ 1750 public Transition getReturnTransition() { return null; } 1751 1752 /** 1753 * Returns the Transition that will be used to move Views out of the scene when starting a 1754 * new Activity. The exiting Views will be those that are regular Views or ViewGroups that 1755 * have {@link ViewGroup#isTransitionGroup} return true. Typical Transitions will extend 1756 * {@link android.transition.Visibility} as exiting is governed by changing visibility 1757 * from {@link View#VISIBLE} to {@link View#INVISIBLE}. If transition is null, the views will 1758 * remain unaffected. Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1759 * 1760 * @return the Transition to use to move Views out of the scene when calling a 1761 * new Activity. 1762 * @attr ref android.R.styleable#Window_windowExitTransition 1763 */ 1764 public Transition getExitTransition() { return null; } 1765 1766 /** 1767 * Returns the Transition that will be used to move Views in to the scene when returning from 1768 * a previously-started Activity. The entering Views will be those that are regular Views 1769 * or ViewGroups that have {@link ViewGroup#isTransitionGroup} return true. Typical Transitions 1770 * will extend {@link android.transition.Visibility} as exiting is governed by changing 1771 * visibility from {@link View#VISIBLE} to {@link View#INVISIBLE}. 1772 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1773 * 1774 * @return The Transition to use to move Views into the scene when reentering from a 1775 * previously-started Activity. 1776 * @attr ref android.R.styleable#Window_windowReenterTransition 1777 */ 1778 public Transition getReenterTransition() { return null; } 1779 1780 /** 1781 * Sets the Transition that will be used for shared elements transferred into the content 1782 * Scene. Typical Transitions will affect size and location, such as 1783 * {@link android.transition.ChangeBounds}. A null 1784 * value will cause transferred shared elements to blink to the final position. 1785 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1786 * 1787 * @param transition The Transition to use for shared elements transferred into the content 1788 * Scene. 1789 * @attr ref android.R.styleable#Window_windowSharedElementEnterTransition 1790 */ 1791 public void setSharedElementEnterTransition(Transition transition) {} 1792 1793 /** 1794 * Sets the Transition that will be used for shared elements transferred back to a 1795 * calling Activity. Typical Transitions will affect size and location, such as 1796 * {@link android.transition.ChangeBounds}. A null 1797 * value will cause transferred shared elements to blink to the final position. 1798 * If no value is set, the default will be to use the same value as 1799 * {@link #setSharedElementEnterTransition(android.transition.Transition)}. 1800 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1801 * 1802 * @param transition The Transition to use for shared elements transferred out of the content 1803 * Scene. 1804 * @attr ref android.R.styleable#Window_windowSharedElementReturnTransition 1805 */ 1806 public void setSharedElementReturnTransition(Transition transition) {} 1807 1808 /** 1809 * Returns the Transition that will be used for shared elements transferred into the content 1810 * Scene. Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1811 * 1812 * @return Transition to use for sharend elements transferred into the content Scene. 1813 * @attr ref android.R.styleable#Window_windowSharedElementEnterTransition 1814 */ 1815 public Transition getSharedElementEnterTransition() { return null; } 1816 1817 /** 1818 * Returns the Transition that will be used for shared elements transferred back to a 1819 * calling Activity. Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1820 * 1821 * @return Transition to use for sharend elements transferred into the content Scene. 1822 * @attr ref android.R.styleable#Window_windowSharedElementReturnTransition 1823 */ 1824 public Transition getSharedElementReturnTransition() { return null; } 1825 1826 /** 1827 * Sets the Transition that will be used for shared elements after starting a new Activity 1828 * before the shared elements are transferred to the called Activity. If the shared elements 1829 * must animate during the exit transition, this Transition should be used. Upon completion, 1830 * the shared elements may be transferred to the started Activity. 1831 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1832 * 1833 * @param transition The Transition to use for shared elements in the launching Window 1834 * prior to transferring to the launched Activity's Window. 1835 * @attr ref android.R.styleable#Window_windowSharedElementExitTransition 1836 */ 1837 public void setSharedElementExitTransition(Transition transition) {} 1838 1839 /** 1840 * Sets the Transition that will be used for shared elements reentering from a started 1841 * Activity after it has returned the shared element to it start location. If no value 1842 * is set, this will default to 1843 * {@link #setSharedElementExitTransition(android.transition.Transition)}. 1844 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1845 * 1846 * @param transition The Transition to use for shared elements in the launching Window 1847 * after the shared element has returned to the Window. 1848 * @attr ref android.R.styleable#Window_windowSharedElementReenterTransition 1849 */ 1850 public void setSharedElementReenterTransition(Transition transition) {} 1851 1852 /** 1853 * Returns the Transition to use for shared elements in the launching Window prior 1854 * to transferring to the launched Activity's Window. 1855 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1856 * 1857 * @return the Transition to use for shared elements in the launching Window prior 1858 * to transferring to the launched Activity's Window. 1859 * @attr ref android.R.styleable#Window_windowSharedElementExitTransition 1860 */ 1861 public Transition getSharedElementExitTransition() { return null; } 1862 1863 /** 1864 * Returns the Transition that will be used for shared elements reentering from a started 1865 * Activity after it has returned the shared element to it start location. 1866 * Requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. 1867 * 1868 * @return the Transition that will be used for shared elements reentering from a started 1869 * Activity after it has returned the shared element to it start location. 1870 * @attr ref android.R.styleable#Window_windowSharedElementReenterTransition 1871 */ 1872 public Transition getSharedElementReenterTransition() { return null; } 1873 1874 /** 1875 * Controls how the transition set in 1876 * {@link #setEnterTransition(android.transition.Transition)} overlaps with the exit 1877 * transition of the calling Activity. When true, the transition will start as soon as possible. 1878 * When false, the transition will wait until the remote exiting transition completes before 1879 * starting. 1880 * 1881 * @param allow true to start the enter transition when possible or false to 1882 * wait until the exiting transition completes. 1883 * @attr ref android.R.styleable#Window_windowAllowEnterTransitionOverlap 1884 */ 1885 public void setAllowEnterTransitionOverlap(boolean allow) {} 1886 1887 /** 1888 * Returns how the transition set in 1889 * {@link #setEnterTransition(android.transition.Transition)} overlaps with the exit 1890 * transition of the calling Activity. When true, the transition will start as soon as possible. 1891 * When false, the transition will wait until the remote exiting transition completes before 1892 * starting. 1893 * 1894 * @return true when the enter transition should start as soon as possible or false to 1895 * when it should wait until the exiting transition completes. 1896 * @attr ref android.R.styleable#Window_windowAllowEnterTransitionOverlap 1897 */ 1898 public boolean getAllowEnterTransitionOverlap() { return true; } 1899 1900 /** 1901 * Controls how the transition set in 1902 * {@link #setExitTransition(android.transition.Transition)} overlaps with the exit 1903 * transition of the called Activity when reentering after if finishes. When true, 1904 * the transition will start as soon as possible. When false, the transition will wait 1905 * until the called Activity's exiting transition completes before starting. 1906 * 1907 * @param allow true to start the transition when possible or false to wait until the 1908 * called Activity's exiting transition completes. 1909 * @attr ref android.R.styleable#Window_windowAllowReturnTransitionOverlap 1910 */ 1911 public void setAllowReturnTransitionOverlap(boolean allow) {} 1912 1913 /** 1914 * Returns how the transition set in 1915 * {@link #setExitTransition(android.transition.Transition)} overlaps with the exit 1916 * transition of the called Activity when reentering after if finishes. When true, 1917 * the transition will start as soon as possible. When false, the transition will wait 1918 * until the called Activity's exiting transition completes before starting. 1919 * 1920 * @return true when the transition should start when possible or false when it should wait 1921 * until the called Activity's exiting transition completes. 1922 * @attr ref android.R.styleable#Window_windowAllowReturnTransitionOverlap 1923 */ 1924 public boolean getAllowReturnTransitionOverlap() { return true; } 1925 1926 /** 1927 * Returns the duration, in milliseconds, of the window background fade 1928 * when transitioning into or away from an Activity when called with an Activity Transition. 1929 * <p>When executing the enter transition, the background starts transparent 1930 * and fades in. This requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. The default is 1931 * 300 milliseconds.</p> 1932 * 1933 * @return The duration of the window background fade to opaque during enter transition. 1934 * @see #getEnterTransition() 1935 * @attr ref android.R.styleable#Window_windowTransitionBackgroundFadeDuration 1936 */ 1937 public long getTransitionBackgroundFadeDuration() { return 0; } 1938 1939 /** 1940 * Sets the duration, in milliseconds, of the window background fade 1941 * when transitioning into or away from an Activity when called with an Activity Transition. 1942 * <p>When executing the enter transition, the background starts transparent 1943 * and fades in. This requires {@link #FEATURE_ACTIVITY_TRANSITIONS}. The default is 1944 * 300 milliseconds.</p> 1945 * 1946 * @param fadeDurationMillis The duration of the window background fade to or from opaque 1947 * during enter transition. 1948 * @see #setEnterTransition(android.transition.Transition) 1949 * @attr ref android.R.styleable#Window_windowTransitionBackgroundFadeDuration 1950 */ 1951 public void setTransitionBackgroundFadeDuration(long fadeDurationMillis) { } 1952 1953 /** 1954 * Returns <code>true</code> when shared elements should use an Overlay during 1955 * shared element transitions or <code>false</code> when they should animate as 1956 * part of the normal View hierarchy. The default value is true. 1957 * 1958 * @return <code>true</code> when shared elements should use an Overlay during 1959 * shared element transitions or <code>false</code> when they should animate as 1960 * part of the normal View hierarchy. 1961 * @attr ref android.R.styleable#Window_windowSharedElementsUseOverlay 1962 */ 1963 public boolean getSharedElementsUseOverlay() { return true; } 1964 1965 /** 1966 * Sets whether or not shared elements should use an Overlay during shared element transitions. 1967 * The default value is true. 1968 * 1969 * @param sharedElementsUseOverlay <code>true</code> indicates that shared elements should 1970 * be transitioned with an Overlay or <code>false</code> 1971 * to transition within the normal View hierarchy. 1972 * @attr ref android.R.styleable#Window_windowSharedElementsUseOverlay 1973 */ 1974 public void setSharedElementsUseOverlay(boolean sharedElementsUseOverlay) { } 1975 1976 /** 1977 * @return the color of the status bar. 1978 */ 1979 @ColorInt 1980 public abstract int getStatusBarColor(); 1981 1982 /** 1983 * Sets the color of the status bar to {@code color}. 1984 * 1985 * For this to take effect, 1986 * the window must be drawing the system bar backgrounds with 1987 * {@link android.view.WindowManager.LayoutParams#FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS} and 1988 * {@link android.view.WindowManager.LayoutParams#FLAG_TRANSLUCENT_STATUS} must not be set. 1989 * 1990 * If {@code color} is not opaque, consider setting 1991 * {@link android.view.View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and 1992 * {@link android.view.View#SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}. 1993 * <p> 1994 * The transitionName for the view background will be "android:status:background". 1995 * </p> 1996 */ 1997 public abstract void setStatusBarColor(@ColorInt int color); 1998 1999 /** 2000 * @return the color of the navigation bar. 2001 */ 2002 @ColorInt 2003 public abstract int getNavigationBarColor(); 2004 2005 /** 2006 * Sets the color of the navigation bar to {@param color}. 2007 * 2008 * For this to take effect, 2009 * the window must be drawing the system bar backgrounds with 2010 * {@link android.view.WindowManager.LayoutParams#FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS} and 2011 * {@link android.view.WindowManager.LayoutParams#FLAG_TRANSLUCENT_NAVIGATION} must not be set. 2012 * 2013 * If {@param color} is not opaque, consider setting 2014 * {@link android.view.View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and 2015 * {@link android.view.View#SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION}. 2016 * <p> 2017 * The transitionName for the view background will be "android:navigation:background". 2018 * </p> 2019 */ 2020 public abstract void setNavigationBarColor(@ColorInt int color); 2021 2022 /** @hide */ 2023 public void setTheme(int resId) { 2024 } 2025} 2026