• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2006 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.view;
18 
19 import android.app.Presentation;
20 import android.content.Context;
21 import android.content.pm.ActivityInfo;
22 import android.graphics.PixelFormat;
23 import android.os.IBinder;
24 import android.os.Parcel;
25 import android.os.Parcelable;
26 import android.text.TextUtils;
27 import android.util.Log;
28 
29 
30 /**
31  * The interface that apps use to talk to the window manager.
32  * <p>
33  * Use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code> to get one of these.
34  * </p><p>
35  * Each window manager instance is bound to a particular {@link Display}.
36  * To obtain a {@link WindowManager} for a different display, use
37  * {@link Context#createDisplayContext} to obtain a {@link Context} for that
38  * display, then use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code>
39  * to get the WindowManager.
40  * </p><p>
41  * The simplest way to show a window on another display is to create a
42  * {@link Presentation}.  The presentation will automatically obtain a
43  * {@link WindowManager} and {@link Context} for that display.
44  * </p>
45  *
46  * @see android.content.Context#getSystemService
47  * @see android.content.Context#WINDOW_SERVICE
48  */
49 public interface WindowManager extends ViewManager {
50     /**
51      * Exception that is thrown when trying to add view whose
52      * {@link WindowManager.LayoutParams} {@link WindowManager.LayoutParams#token}
53      * is invalid.
54      */
55     public static class BadTokenException extends RuntimeException {
BadTokenException()56         public BadTokenException() {
57         }
58 
BadTokenException(String name)59         public BadTokenException(String name) {
60             super(name);
61         }
62     }
63 
64     /**
65      * Exception that is thrown when calling {@link #addView} to a secondary display that cannot
66      * be found. See {@link android.app.Presentation} for more information on secondary displays.
67      */
68     public static class InvalidDisplayException extends RuntimeException {
InvalidDisplayException()69         public InvalidDisplayException() {
70         }
71 
InvalidDisplayException(String name)72         public InvalidDisplayException(String name) {
73             super(name);
74         }
75     }
76 
77     /**
78      * Returns the {@link Display} upon which this {@link WindowManager} instance
79      * will create new windows.
80      * <p>
81      * Despite the name of this method, the display that is returned is not
82      * necessarily the primary display of the system (see {@link Display#DEFAULT_DISPLAY}).
83      * The returned display could instead be a secondary display that this
84      * window manager instance is managing.  Think of it as the display that
85      * this {@link WindowManager} instance uses by default.
86      * </p><p>
87      * To create windows on a different display, you need to obtain a
88      * {@link WindowManager} for that {@link Display}.  (See the {@link WindowManager}
89      * class documentation for more information.)
90      * </p>
91      *
92      * @return The display that this window manager is managing.
93      */
getDefaultDisplay()94     public Display getDefaultDisplay();
95 
96     /**
97      * Special variation of {@link #removeView} that immediately invokes
98      * the given view hierarchy's {@link View#onDetachedFromWindow()
99      * View.onDetachedFromWindow()} methods before returning.  This is not
100      * for normal applications; using it correctly requires great care.
101      *
102      * @param view The view to be removed.
103      */
removeViewImmediate(View view)104     public void removeViewImmediate(View view);
105 
106     public static class LayoutParams extends ViewGroup.LayoutParams
107             implements Parcelable {
108         /**
109          * X position for this window.  With the default gravity it is ignored.
110          * When using {@link Gravity#LEFT} or {@link Gravity#START} or {@link Gravity#RIGHT} or
111          * {@link Gravity#END} it provides an offset from the given edge.
112          */
113         @ViewDebug.ExportedProperty
114         public int x;
115 
116         /**
117          * Y position for this window.  With the default gravity it is ignored.
118          * When using {@link Gravity#TOP} or {@link Gravity#BOTTOM} it provides
119          * an offset from the given edge.
120          */
121         @ViewDebug.ExportedProperty
122         public int y;
123 
124         /**
125          * Indicates how much of the extra space will be allocated horizontally
126          * to the view associated with these LayoutParams. Specify 0 if the view
127          * should not be stretched. Otherwise the extra pixels will be pro-rated
128          * among all views whose weight is greater than 0.
129          */
130         @ViewDebug.ExportedProperty
131         public float horizontalWeight;
132 
133         /**
134          * Indicates how much of the extra space will be allocated vertically
135          * to the view associated with these LayoutParams. Specify 0 if the view
136          * should not be stretched. Otherwise the extra pixels will be pro-rated
137          * among all views whose weight is greater than 0.
138          */
139         @ViewDebug.ExportedProperty
140         public float verticalWeight;
141 
142         /**
143          * The general type of window.  There are three main classes of
144          * window types:
145          * <ul>
146          * <li> <strong>Application windows</strong> (ranging from
147          * {@link #FIRST_APPLICATION_WINDOW} to
148          * {@link #LAST_APPLICATION_WINDOW}) are normal top-level application
149          * windows.  For these types of windows, the {@link #token} must be
150          * set to the token of the activity they are a part of (this will
151          * normally be done for you if {@link #token} is null).
152          * <li> <strong>Sub-windows</strong> (ranging from
153          * {@link #FIRST_SUB_WINDOW} to
154          * {@link #LAST_SUB_WINDOW}) are associated with another top-level
155          * window.  For these types of windows, the {@link #token} must be
156          * the token of the window it is attached to.
157          * <li> <strong>System windows</strong> (ranging from
158          * {@link #FIRST_SYSTEM_WINDOW} to
159          * {@link #LAST_SYSTEM_WINDOW}) are special types of windows for
160          * use by the system for specific purposes.  They should not normally
161          * be used by applications, and a special permission is required
162          * to use them.
163          * </ul>
164          *
165          * @see #TYPE_BASE_APPLICATION
166          * @see #TYPE_APPLICATION
167          * @see #TYPE_APPLICATION_STARTING
168          * @see #TYPE_APPLICATION_PANEL
169          * @see #TYPE_APPLICATION_MEDIA
170          * @see #TYPE_APPLICATION_SUB_PANEL
171          * @see #TYPE_APPLICATION_ATTACHED_DIALOG
172          * @see #TYPE_STATUS_BAR
173          * @see #TYPE_SEARCH_BAR
174          * @see #TYPE_PHONE
175          * @see #TYPE_SYSTEM_ALERT
176          * @see #TYPE_KEYGUARD
177          * @see #TYPE_TOAST
178          * @see #TYPE_SYSTEM_OVERLAY
179          * @see #TYPE_PRIORITY_PHONE
180          * @see #TYPE_STATUS_BAR_PANEL
181          * @see #TYPE_SYSTEM_DIALOG
182          * @see #TYPE_KEYGUARD_DIALOG
183          * @see #TYPE_SYSTEM_ERROR
184          * @see #TYPE_INPUT_METHOD
185          * @see #TYPE_INPUT_METHOD_DIALOG
186          */
187         @ViewDebug.ExportedProperty(mapping = {
188             @ViewDebug.IntToString(from = TYPE_BASE_APPLICATION, to = "TYPE_BASE_APPLICATION"),
189             @ViewDebug.IntToString(from = TYPE_APPLICATION, to = "TYPE_APPLICATION"),
190             @ViewDebug.IntToString(from = TYPE_APPLICATION_STARTING, to = "TYPE_APPLICATION_STARTING"),
191             @ViewDebug.IntToString(from = TYPE_APPLICATION_PANEL, to = "TYPE_APPLICATION_PANEL"),
192             @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA, to = "TYPE_APPLICATION_MEDIA"),
193             @ViewDebug.IntToString(from = TYPE_APPLICATION_SUB_PANEL, to = "TYPE_APPLICATION_SUB_PANEL"),
194             @ViewDebug.IntToString(from = TYPE_APPLICATION_ATTACHED_DIALOG, to = "TYPE_APPLICATION_ATTACHED_DIALOG"),
195             @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA_OVERLAY, to = "TYPE_APPLICATION_MEDIA_OVERLAY"),
196             @ViewDebug.IntToString(from = TYPE_STATUS_BAR, to = "TYPE_STATUS_BAR"),
197             @ViewDebug.IntToString(from = TYPE_SEARCH_BAR, to = "TYPE_SEARCH_BAR"),
198             @ViewDebug.IntToString(from = TYPE_PHONE, to = "TYPE_PHONE"),
199             @ViewDebug.IntToString(from = TYPE_SYSTEM_ALERT, to = "TYPE_SYSTEM_ALERT"),
200             @ViewDebug.IntToString(from = TYPE_KEYGUARD, to = "TYPE_KEYGUARD"),
201             @ViewDebug.IntToString(from = TYPE_TOAST, to = "TYPE_TOAST"),
202             @ViewDebug.IntToString(from = TYPE_SYSTEM_OVERLAY, to = "TYPE_SYSTEM_OVERLAY"),
203             @ViewDebug.IntToString(from = TYPE_PRIORITY_PHONE, to = "TYPE_PRIORITY_PHONE"),
204             @ViewDebug.IntToString(from = TYPE_SYSTEM_DIALOG, to = "TYPE_SYSTEM_DIALOG"),
205             @ViewDebug.IntToString(from = TYPE_KEYGUARD_DIALOG, to = "TYPE_KEYGUARD_DIALOG"),
206             @ViewDebug.IntToString(from = TYPE_SYSTEM_ERROR, to = "TYPE_SYSTEM_ERROR"),
207             @ViewDebug.IntToString(from = TYPE_INPUT_METHOD, to = "TYPE_INPUT_METHOD"),
208             @ViewDebug.IntToString(from = TYPE_INPUT_METHOD_DIALOG, to = "TYPE_INPUT_METHOD_DIALOG"),
209             @ViewDebug.IntToString(from = TYPE_WALLPAPER, to = "TYPE_WALLPAPER"),
210             @ViewDebug.IntToString(from = TYPE_STATUS_BAR_PANEL, to = "TYPE_STATUS_BAR_PANEL"),
211             @ViewDebug.IntToString(from = TYPE_SECURE_SYSTEM_OVERLAY, to = "TYPE_SECURE_SYSTEM_OVERLAY"),
212             @ViewDebug.IntToString(from = TYPE_DRAG, to = "TYPE_DRAG"),
213             @ViewDebug.IntToString(from = TYPE_STATUS_BAR_SUB_PANEL, to = "TYPE_STATUS_BAR_SUB_PANEL"),
214             @ViewDebug.IntToString(from = TYPE_POINTER, to = "TYPE_POINTER"),
215             @ViewDebug.IntToString(from = TYPE_NAVIGATION_BAR, to = "TYPE_NAVIGATION_BAR"),
216             @ViewDebug.IntToString(from = TYPE_VOLUME_OVERLAY, to = "TYPE_VOLUME_OVERLAY"),
217             @ViewDebug.IntToString(from = TYPE_BOOT_PROGRESS, to = "TYPE_BOOT_PROGRESS"),
218             @ViewDebug.IntToString(from = TYPE_HIDDEN_NAV_CONSUMER, to = "TYPE_HIDDEN_NAV_CONSUMER"),
219             @ViewDebug.IntToString(from = TYPE_DREAM, to = "TYPE_DREAM"),
220             @ViewDebug.IntToString(from = TYPE_NAVIGATION_BAR_PANEL, to = "TYPE_NAVIGATION_BAR_PANEL"),
221             @ViewDebug.IntToString(from = TYPE_DISPLAY_OVERLAY, to = "TYPE_DISPLAY_OVERLAY"),
222             @ViewDebug.IntToString(from = TYPE_MAGNIFICATION_OVERLAY, to = "TYPE_MAGNIFICATION_OVERLAY")
223         })
224         public int type;
225 
226         /**
227          * Start of window types that represent normal application windows.
228          */
229         public static final int FIRST_APPLICATION_WINDOW = 1;
230 
231         /**
232          * Window type: an application window that serves as the "base" window
233          * of the overall application; all other application windows will
234          * appear on top of it.
235          * In multiuser systems shows only on the owning user's window.
236          */
237         public static final int TYPE_BASE_APPLICATION   = 1;
238 
239         /**
240          * Window type: a normal application window.  The {@link #token} must be
241          * an Activity token identifying who the window belongs to.
242          * In multiuser systems shows only on the owning user's window.
243          */
244         public static final int TYPE_APPLICATION        = 2;
245 
246         /**
247          * Window type: special application window that is displayed while the
248          * application is starting.  Not for use by applications themselves;
249          * this is used by the system to display something until the
250          * application can show its own windows.
251          * In multiuser systems shows on all users' windows.
252          */
253         public static final int TYPE_APPLICATION_STARTING = 3;
254 
255         /**
256          * End of types of application windows.
257          */
258         public static final int LAST_APPLICATION_WINDOW = 99;
259 
260         /**
261          * Start of types of sub-windows.  The {@link #token} of these windows
262          * must be set to the window they are attached to.  These types of
263          * windows are kept next to their attached window in Z-order, and their
264          * coordinate space is relative to their attached window.
265          */
266         public static final int FIRST_SUB_WINDOW        = 1000;
267 
268         /**
269          * Window type: a panel on top of an application window.  These windows
270          * appear on top of their attached window.
271          */
272         public static final int TYPE_APPLICATION_PANEL  = FIRST_SUB_WINDOW;
273 
274         /**
275          * Window type: window for showing media (such as video).  These windows
276          * are displayed behind their attached window.
277          */
278         public static final int TYPE_APPLICATION_MEDIA  = FIRST_SUB_WINDOW+1;
279 
280         /**
281          * Window type: a sub-panel on top of an application window.  These
282          * windows are displayed on top their attached window and any
283          * {@link #TYPE_APPLICATION_PANEL} panels.
284          */
285         public static final int TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2;
286 
287         /** Window type: like {@link #TYPE_APPLICATION_PANEL}, but layout
288          * of the window happens as that of a top-level window, <em>not</em>
289          * as a child of its container.
290          */
291         public static final int TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3;
292 
293         /**
294          * Window type: window for showing overlays on top of media windows.
295          * These windows are displayed between TYPE_APPLICATION_MEDIA and the
296          * application window.  They should be translucent to be useful.  This
297          * is a big ugly hack so:
298          * @hide
299          */
300         public static final int TYPE_APPLICATION_MEDIA_OVERLAY  = FIRST_SUB_WINDOW+4;
301 
302         /**
303          * End of types of sub-windows.
304          */
305         public static final int LAST_SUB_WINDOW         = 1999;
306 
307         /**
308          * Start of system-specific window types.  These are not normally
309          * created by applications.
310          */
311         public static final int FIRST_SYSTEM_WINDOW     = 2000;
312 
313         /**
314          * Window type: the status bar.  There can be only one status bar
315          * window; it is placed at the top of the screen, and all other
316          * windows are shifted down so they are below it.
317          * In multiuser systems shows on all users' windows.
318          */
319         public static final int TYPE_STATUS_BAR         = FIRST_SYSTEM_WINDOW;
320 
321         /**
322          * Window type: the search bar.  There can be only one search bar
323          * window; it is placed at the top of the screen.
324          * In multiuser systems shows on all users' windows.
325          */
326         public static final int TYPE_SEARCH_BAR         = FIRST_SYSTEM_WINDOW+1;
327 
328         /**
329          * Window type: phone.  These are non-application windows providing
330          * user interaction with the phone (in particular incoming calls).
331          * These windows are normally placed above all applications, but behind
332          * the status bar.
333          * In multiuser systems shows on all users' windows.
334          */
335         public static final int TYPE_PHONE              = FIRST_SYSTEM_WINDOW+2;
336 
337         /**
338          * Window type: system window, such as low power alert. These windows
339          * are always on top of application windows.
340          * In multiuser systems shows only on the owning user's window.
341          */
342         public static final int TYPE_SYSTEM_ALERT       = FIRST_SYSTEM_WINDOW+3;
343 
344         /**
345          * Window type: keyguard window.
346          * In multiuser systems shows on all users' windows.
347          */
348         public static final int TYPE_KEYGUARD           = FIRST_SYSTEM_WINDOW+4;
349 
350         /**
351          * Window type: transient notifications.
352          * In multiuser systems shows only on the owning user's window.
353          */
354         public static final int TYPE_TOAST              = FIRST_SYSTEM_WINDOW+5;
355 
356         /**
357          * Window type: system overlay windows, which need to be displayed
358          * on top of everything else.  These windows must not take input
359          * focus, or they will interfere with the keyguard.
360          * In multiuser systems shows only on the owning user's window.
361          */
362         public static final int TYPE_SYSTEM_OVERLAY     = FIRST_SYSTEM_WINDOW+6;
363 
364         /**
365          * Window type: priority phone UI, which needs to be displayed even if
366          * the keyguard is active.  These windows must not take input
367          * focus, or they will interfere with the keyguard.
368          * In multiuser systems shows on all users' windows.
369          */
370         public static final int TYPE_PRIORITY_PHONE     = FIRST_SYSTEM_WINDOW+7;
371 
372         /**
373          * Window type: panel that slides out from the status bar
374          * In multiuser systems shows on all users' windows.
375          */
376         public static final int TYPE_SYSTEM_DIALOG      = FIRST_SYSTEM_WINDOW+8;
377 
378         /**
379          * Window type: dialogs that the keyguard shows
380          * In multiuser systems shows on all users' windows.
381          */
382         public static final int TYPE_KEYGUARD_DIALOG    = FIRST_SYSTEM_WINDOW+9;
383 
384         /**
385          * Window type: internal system error windows, appear on top of
386          * everything they can.
387          * In multiuser systems shows only on the owning user's window.
388          */
389         public static final int TYPE_SYSTEM_ERROR       = FIRST_SYSTEM_WINDOW+10;
390 
391         /**
392          * Window type: internal input methods windows, which appear above
393          * the normal UI.  Application windows may be resized or panned to keep
394          * the input focus visible while this window is displayed.
395          * In multiuser systems shows only on the owning user's window.
396          */
397         public static final int TYPE_INPUT_METHOD       = FIRST_SYSTEM_WINDOW+11;
398 
399         /**
400          * Window type: internal input methods dialog windows, which appear above
401          * the current input method window.
402          * In multiuser systems shows only on the owning user's window.
403          */
404         public static final int TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12;
405 
406         /**
407          * Window type: wallpaper window, placed behind any window that wants
408          * to sit on top of the wallpaper.
409          * In multiuser systems shows only on the owning user's window.
410          */
411         public static final int TYPE_WALLPAPER          = FIRST_SYSTEM_WINDOW+13;
412 
413         /**
414          * Window type: panel that slides out from over the status bar
415          * In multiuser systems shows on all users' windows.
416          */
417         public static final int TYPE_STATUS_BAR_PANEL   = FIRST_SYSTEM_WINDOW+14;
418 
419         /**
420          * Window type: secure system overlay windows, which need to be displayed
421          * on top of everything else.  These windows must not take input
422          * focus, or they will interfere with the keyguard.
423          *
424          * This is exactly like {@link #TYPE_SYSTEM_OVERLAY} except that only the
425          * system itself is allowed to create these overlays.  Applications cannot
426          * obtain permission to create secure system overlays.
427          *
428          * In multiuser systems shows only on the owning user's window.
429          * @hide
430          */
431         public static final int TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15;
432 
433         /**
434          * Window type: the drag-and-drop pseudowindow.  There is only one
435          * drag layer (at most), and it is placed on top of all other windows.
436          * In multiuser systems shows only on the owning user's window.
437          * @hide
438          */
439         public static final int TYPE_DRAG               = FIRST_SYSTEM_WINDOW+16;
440 
441         /**
442          * Window type: panel that slides out from under the status bar
443          * In multiuser systems shows on all users' windows.
444          * @hide
445          */
446         public static final int TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17;
447 
448         /**
449          * Window type: (mouse) pointer
450          * In multiuser systems shows on all users' windows.
451          * @hide
452          */
453         public static final int TYPE_POINTER = FIRST_SYSTEM_WINDOW+18;
454 
455         /**
456          * Window type: Navigation bar (when distinct from status bar)
457          * In multiuser systems shows on all users' windows.
458          * @hide
459          */
460         public static final int TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19;
461 
462         /**
463          * Window type: The volume level overlay/dialog shown when the user
464          * changes the system volume.
465          * In multiuser systems shows on all users' windows.
466          * @hide
467          */
468         public static final int TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20;
469 
470         /**
471          * Window type: The boot progress dialog, goes on top of everything
472          * in the world.
473          * In multiuser systems shows on all users' windows.
474          * @hide
475          */
476         public static final int TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21;
477 
478         /**
479          * Window type: Fake window to consume touch events when the navigation
480          * bar is hidden.
481          * In multiuser systems shows on all users' windows.
482          * @hide
483          */
484         public static final int TYPE_HIDDEN_NAV_CONSUMER = FIRST_SYSTEM_WINDOW+22;
485 
486         /**
487          * Window type: Dreams (screen saver) window, just above keyguard.
488          * In multiuser systems shows only on the owning user's window.
489          * @hide
490          */
491         public static final int TYPE_DREAM = FIRST_SYSTEM_WINDOW+23;
492 
493         /**
494          * Window type: Navigation bar panel (when navigation bar is distinct from status bar)
495          * In multiuser systems shows on all users' windows.
496          * @hide
497          */
498         public static final int TYPE_NAVIGATION_BAR_PANEL = FIRST_SYSTEM_WINDOW+24;
499 
500         /**
501          * Window type: Behind the universe of the real windows.
502          * In multiuser systems shows on all users' windows.
503          * @hide
504          */
505         public static final int TYPE_UNIVERSE_BACKGROUND = FIRST_SYSTEM_WINDOW+25;
506 
507         /**
508          * Window type: Display overlay window.  Used to simulate secondary display devices.
509          * In multiuser systems shows on all users' windows.
510          * @hide
511          */
512         public static final int TYPE_DISPLAY_OVERLAY = FIRST_SYSTEM_WINDOW+26;
513 
514         /**
515          * Window type: Magnification overlay window. Used to highlight the magnified
516          * portion of a display when accessibility magnification is enabled.
517          * In multiuser systems shows on all users' windows.
518          * @hide
519          */
520         public static final int TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+27;
521 
522         /**
523          * Window type: Recents. Same layer as {@link #TYPE_SYSTEM_DIALOG} but only appears on
524          * one user's screen.
525          * In multiuser systems shows on all users' windows.
526          * @hide
527          */
528         public static final int TYPE_RECENTS_OVERLAY = FIRST_SYSTEM_WINDOW+28;
529 
530         /**
531          * End of types of system windows.
532          */
533         public static final int LAST_SYSTEM_WINDOW      = 2999;
534 
535         /** @deprecated this is ignored, this value is set automatically when needed. */
536         @Deprecated
537         public static final int MEMORY_TYPE_NORMAL = 0;
538         /** @deprecated this is ignored, this value is set automatically when needed. */
539         @Deprecated
540         public static final int MEMORY_TYPE_HARDWARE = 1;
541         /** @deprecated this is ignored, this value is set automatically when needed. */
542         @Deprecated
543         public static final int MEMORY_TYPE_GPU = 2;
544         /** @deprecated this is ignored, this value is set automatically when needed. */
545         @Deprecated
546         public static final int MEMORY_TYPE_PUSH_BUFFERS = 3;
547 
548         /**
549          * @deprecated this is ignored
550          */
551         @Deprecated
552         public int memoryType;
553 
554         /** Window flag: as long as this window is visible to the user, allow
555          *  the lock screen to activate while the screen is on.
556          *  This can be used independently, or in combination with
557          *  {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */
558         public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON     = 0x00000001;
559 
560         /** Window flag: everything behind this window will be dimmed.
561          *  Use {@link #dimAmount} to control the amount of dim. */
562         public static final int FLAG_DIM_BEHIND        = 0x00000002;
563 
564         /** Window flag: blur everything behind this window.
565          * @deprecated Blurring is no longer supported. */
566         @Deprecated
567         public static final int FLAG_BLUR_BEHIND        = 0x00000004;
568 
569         /** Window flag: this window won't ever get key input focus, so the
570          * user can not send key or other button events to it.  Those will
571          * instead go to whatever focusable window is behind it.  This flag
572          * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that
573          * is explicitly set.
574          *
575          * <p>Setting this flag also implies that the window will not need to
576          * interact with
577          * a soft input method, so it will be Z-ordered and positioned
578          * independently of any active input method (typically this means it
579          * gets Z-ordered on top of the input method, so it can use the full
580          * screen for its content and cover the input method if needed.  You
581          * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */
582         public static final int FLAG_NOT_FOCUSABLE      = 0x00000008;
583 
584         /** Window flag: this window can never receive touch events. */
585         public static final int FLAG_NOT_TOUCHABLE      = 0x00000010;
586 
587         /** Window flag: even when this window is focusable (its
588          * {@link #FLAG_NOT_FOCUSABLE} is not set), allow any pointer events
589          * outside of the window to be sent to the windows behind it.  Otherwise
590          * it will consume all pointer events itself, regardless of whether they
591          * are inside of the window. */
592         public static final int FLAG_NOT_TOUCH_MODAL    = 0x00000020;
593 
594         /** Window flag: when set, if the device is asleep when the touch
595          * screen is pressed, you will receive this first touch event.  Usually
596          * the first touch event is consumed by the system since the user can
597          * not see what they are pressing on.
598          */
599         public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040;
600 
601         /** Window flag: as long as this window is visible to the user, keep
602          *  the device's screen turned on and bright. */
603         public static final int FLAG_KEEP_SCREEN_ON     = 0x00000080;
604 
605         /** Window flag: place the window within the entire screen, ignoring
606          *  decorations around the border (such as the status bar).  The
607          *  window must correctly position its contents to take the screen
608          *  decoration into account.  This flag is normally set for you
609          *  by Window as described in {@link Window#setFlags}. */
610         public static final int FLAG_LAYOUT_IN_SCREEN   = 0x00000100;
611 
612         /** Window flag: allow window to extend outside of the screen. */
613         public static final int FLAG_LAYOUT_NO_LIMITS   = 0x00000200;
614 
615         /**
616          * Window flag: hide all screen decorations (such as the status bar) while
617          * this window is displayed.  This allows the window to use the entire
618          * display space for itself -- the status bar will be hidden when
619          * an app window with this flag set is on the top layer. A fullscreen window
620          * will ignore a value of {@link #SOFT_INPUT_ADJUST_RESIZE} for the window's
621          * {@link #softInputMode} field; the window will stay fullscreen
622          * and will not resize.
623          *
624          * <p>This flag can be controlled in your theme through the
625          * {@link android.R.attr#windowFullscreen} attribute; this attribute
626          * is automatically set for you in the standard fullscreen themes
627          * such as {@link android.R.style#Theme_NoTitleBar_Fullscreen},
628          * {@link android.R.style#Theme_Black_NoTitleBar_Fullscreen},
629          * {@link android.R.style#Theme_Light_NoTitleBar_Fullscreen},
630          * {@link android.R.style#Theme_Holo_NoActionBar_Fullscreen},
631          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Fullscreen},
632          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Fullscreen}, and
633          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Fullscreen}.</p>
634          */
635         public static final int FLAG_FULLSCREEN      = 0x00000400;
636 
637         /** Window flag: override {@link #FLAG_FULLSCREEN} and force the
638          *  screen decorations (such as the status bar) to be shown. */
639         public static final int FLAG_FORCE_NOT_FULLSCREEN   = 0x00000800;
640 
641         /** Window flag: turn on dithering when compositing this window to
642          *  the screen.
643          * @deprecated This flag is no longer used. */
644         @Deprecated
645         public static final int FLAG_DITHER             = 0x00001000;
646 
647         /** Window flag: treat the content of the window as secure, preventing
648          * it from appearing in screenshots or from being viewed on non-secure
649          * displays.
650          *
651          * <p>See {@link android.view.Display#FLAG_SECURE} for more details about
652          * secure surfaces and secure displays.
653          */
654         public static final int FLAG_SECURE             = 0x00002000;
655 
656         /** Window flag: a special mode where the layout parameters are used
657          * to perform scaling of the surface when it is composited to the
658          * screen. */
659         public static final int FLAG_SCALED             = 0x00004000;
660 
661         /** Window flag: intended for windows that will often be used when the user is
662          * holding the screen against their face, it will aggressively filter the event
663          * stream to prevent unintended presses in this situation that may not be
664          * desired for a particular window, when such an event stream is detected, the
665          * application will receive a CANCEL motion event to indicate this so applications
666          * can handle this accordingly by taking no action on the event
667          * until the finger is released. */
668         public static final int FLAG_IGNORE_CHEEK_PRESSES    = 0x00008000;
669 
670         /** Window flag: a special option only for use in combination with
671          * {@link #FLAG_LAYOUT_IN_SCREEN}.  When requesting layout in the
672          * screen your window may appear on top of or behind screen decorations
673          * such as the status bar.  By also including this flag, the window
674          * manager will report the inset rectangle needed to ensure your
675          * content is not covered by screen decorations.  This flag is normally
676          * set for you by Window as described in {@link Window#setFlags}.*/
677         public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000;
678 
679         /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with
680          * respect to how this window interacts with the current method.  That
681          * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the
682          * window will behave as if it needs to interact with the input method
683          * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is
684          * not set and this flag is set, then the window will behave as if it
685          * doesn't need to interact with the input method and can be placed
686          * to use more space and cover the input method.
687          */
688         public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000;
689 
690         /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you
691          * can set this flag to receive a single special MotionEvent with
692          * the action
693          * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for
694          * touches that occur outside of your window.  Note that you will not
695          * receive the full down/move/up gesture, only the location of the
696          * first down as an ACTION_OUTSIDE.
697          */
698         public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000;
699 
700         /** Window flag: special flag to let windows be shown when the screen
701          * is locked. This will let application windows take precedence over
702          * key guard or any other lock screens. Can be used with
703          * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows
704          * directly before showing the key guard window.  Can be used with
705          * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss
706          * non-secure keyguards.  This flag only applies to the top-most
707          * full-screen window.
708          */
709         public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000;
710 
711         /** Window flag: ask that the system wallpaper be shown behind
712          * your window.  The window surface must be translucent to be able
713          * to actually see the wallpaper behind it; this flag just ensures
714          * that the wallpaper surface will be there if this window actually
715          * has translucent regions.
716          *
717          * <p>This flag can be controlled in your theme through the
718          * {@link android.R.attr#windowShowWallpaper} attribute; this attribute
719          * is automatically set for you in the standard wallpaper themes
720          * such as {@link android.R.style#Theme_Wallpaper},
721          * {@link android.R.style#Theme_Wallpaper_NoTitleBar},
722          * {@link android.R.style#Theme_Wallpaper_NoTitleBar_Fullscreen},
723          * {@link android.R.style#Theme_Holo_Wallpaper},
724          * {@link android.R.style#Theme_Holo_Wallpaper_NoTitleBar},
725          * {@link android.R.style#Theme_DeviceDefault_Wallpaper}, and
726          * {@link android.R.style#Theme_DeviceDefault_Wallpaper_NoTitleBar}.</p>
727          */
728         public static final int FLAG_SHOW_WALLPAPER = 0x00100000;
729 
730         /** Window flag: when set as a window is being added or made
731          * visible, once the window has been shown then the system will
732          * poke the power manager's user activity (as if the user had woken
733          * up the device) to turn the screen on. */
734         public static final int FLAG_TURN_SCREEN_ON = 0x00200000;
735 
736         /** Window flag: when set the window will cause the keyguard to
737          * be dismissed, only if it is not a secure lock keyguard.  Because such
738          * a keyguard is not needed for security, it will never re-appear if
739          * the user navigates to another window (in contrast to
740          * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily
741          * hide both secure and non-secure keyguards but ensure they reappear
742          * when the user moves to another UI that doesn't hide them).
743          * If the keyguard is currently active and is secure (requires an
744          * unlock pattern) than the user will still need to confirm it before
745          * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has
746          * also been set.
747          */
748         public static final int FLAG_DISMISS_KEYGUARD = 0x00400000;
749 
750         /** Window flag: when set the window will accept for touch events
751          * outside of its bounds to be sent to other windows that also
752          * support split touch.  When this flag is not set, the first pointer
753          * that goes down determines the window to which all subsequent touches
754          * go until all pointers go up.  When this flag is set, each pointer
755          * (not necessarily the first) that goes down determines the window
756          * to which all subsequent touches of that pointer will go until that
757          * pointer goes up thereby enabling touches with multiple pointers
758          * to be split across multiple windows.
759          */
760         public static final int FLAG_SPLIT_TOUCH = 0x00800000;
761 
762         /**
763          * <p>Indicates whether this window should be hardware accelerated.
764          * Requesting hardware acceleration does not guarantee it will happen.</p>
765          *
766          * <p>This flag can be controlled programmatically <em>only</em> to enable
767          * hardware acceleration. To enable hardware acceleration for a given
768          * window programmatically, do the following:</p>
769          *
770          * <pre>
771          * Window w = activity.getWindow(); // in Activity's onCreate() for instance
772          * w.setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
773          *         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
774          * </pre>
775          *
776          * <p>It is important to remember that this flag <strong>must</strong>
777          * be set before setting the content view of your activity or dialog.</p>
778          *
779          * <p>This flag cannot be used to disable hardware acceleration after it
780          * was enabled in your manifest using
781          * {@link android.R.attr#hardwareAccelerated}. If you need to selectively
782          * and programmatically disable hardware acceleration (for automated testing
783          * for instance), make sure it is turned off in your manifest and enable it
784          * on your activity or dialog when you need it instead, using the method
785          * described above.</p>
786          *
787          * <p>This flag is automatically set by the system if the
788          * {@link android.R.attr#hardwareAccelerated android:hardwareAccelerated}
789          * XML attribute is set to true on an activity or on the application.</p>
790          */
791         public static final int FLAG_HARDWARE_ACCELERATED = 0x01000000;
792 
793         /**
794          * Window flag: allow window contents to extend in to the screen's
795          * overscan area, if there is one.  The window should still correctly
796          * position its contents to take the overscan area into account.
797          *
798          * <p>This flag can be controlled in your theme through the
799          * {@link android.R.attr#windowOverscan} attribute; this attribute
800          * is automatically set for you in the standard overscan themes
801          * such as
802          * {@link android.R.style#Theme_Holo_NoActionBar_Overscan},
803          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Overscan},
804          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Overscan}, and
805          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Overscan}.</p>
806          *
807          * <p>When this flag is enabled for a window, its normal content may be obscured
808          * to some degree by the overscan region of the display.  To ensure key parts of
809          * that content are visible to the user, you can use
810          * {@link View#setFitsSystemWindows(boolean) View.setFitsSystemWindows(boolean)}
811          * to set the point in the view hierarchy where the appropriate offsets should
812          * be applied.  (This can be done either by directly calling this function, using
813          * the {@link android.R.attr#fitsSystemWindows} attribute in your view hierarchy,
814          * or implementing you own {@link View#fitSystemWindows(android.graphics.Rect)
815          * View.fitSystemWindows(Rect)} method).</p>
816          *
817          * <p>This mechanism for positioning content elements is identical to its equivalent
818          * use with layout and {@link View#setSystemUiVisibility(int)
819          * View.setSystemUiVisibility(int)}; here is an example layout that will correctly
820          * position its UI elements with this overscan flag is set:</p>
821          *
822          * {@sample development/samples/ApiDemos/res/layout/overscan_activity.xml complete}
823          */
824         public static final int FLAG_LAYOUT_IN_OVERSCAN = 0x02000000;
825 
826         // ----- HIDDEN FLAGS.
827         // These start at the high bit and go down.
828 
829         /** Window flag: Enable touches to slide out of a window into neighboring
830          * windows in mid-gesture instead of being captured for the duration of
831          * the gesture.
832          *
833          * This flag changes the behavior of touch focus for this window only.
834          * Touches can slide out of the window but they cannot necessarily slide
835          * back in (unless the other window with touch focus permits it).
836          *
837          * {@hide}
838          */
839         public static final int FLAG_SLIPPERY = 0x04000000;
840 
841         /**
842          * Flag for a window belonging to an activity that responds to {@link KeyEvent#KEYCODE_MENU}
843          * and therefore needs a Menu key. For devices where Menu is a physical button this flag is
844          * ignored, but on devices where the Menu key is drawn in software it may be hidden unless
845          * this flag is set.
846          *
847          * (Note that Action Bars, when available, are the preferred way to offer additional
848          * functions otherwise accessed via an options menu.)
849          *
850          * {@hide}
851          */
852         public static final int FLAG_NEEDS_MENU_KEY = 0x08000000;
853 
854         /** Window flag: special flag to limit the size of the window to be
855          * original size ([320x480] x density). Used to create window for applications
856          * running under compatibility mode.
857          *
858          * {@hide} */
859         public static final int FLAG_COMPATIBLE_WINDOW = 0x20000000;
860 
861         /** Window flag: a special option intended for system dialogs.  When
862          * this flag is set, the window will demand focus unconditionally when
863          * it is created.
864          * {@hide} */
865         public static final int FLAG_SYSTEM_ERROR = 0x40000000;
866 
867         /**
868          * Various behavioral options/flags.  Default is none.
869          *
870          * @see #FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
871          * @see #FLAG_DIM_BEHIND
872          * @see #FLAG_NOT_FOCUSABLE
873          * @see #FLAG_NOT_TOUCHABLE
874          * @see #FLAG_NOT_TOUCH_MODAL
875          * @see #FLAG_TOUCHABLE_WHEN_WAKING
876          * @see #FLAG_KEEP_SCREEN_ON
877          * @see #FLAG_LAYOUT_IN_SCREEN
878          * @see #FLAG_LAYOUT_NO_LIMITS
879          * @see #FLAG_FULLSCREEN
880          * @see #FLAG_FORCE_NOT_FULLSCREEN
881          * @see #FLAG_SECURE
882          * @see #FLAG_SCALED
883          * @see #FLAG_IGNORE_CHEEK_PRESSES
884          * @see #FLAG_LAYOUT_INSET_DECOR
885          * @see #FLAG_ALT_FOCUSABLE_IM
886          * @see #FLAG_WATCH_OUTSIDE_TOUCH
887          * @see #FLAG_SHOW_WHEN_LOCKED
888          * @see #FLAG_SHOW_WALLPAPER
889          * @see #FLAG_TURN_SCREEN_ON
890          * @see #FLAG_DISMISS_KEYGUARD
891          * @see #FLAG_SPLIT_TOUCH
892          * @see #FLAG_HARDWARE_ACCELERATED
893          */
894         @ViewDebug.ExportedProperty(flagMapping = {
895             @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON,
896                     name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"),
897             @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND,
898                     name = "FLAG_DIM_BEHIND"),
899             @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND,
900                     name = "FLAG_BLUR_BEHIND"),
901             @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE,
902                     name = "FLAG_NOT_FOCUSABLE"),
903             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE,
904                     name = "FLAG_NOT_TOUCHABLE"),
905             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL,
906                     name = "FLAG_NOT_TOUCH_MODAL"),
907             @ViewDebug.FlagToString(mask = FLAG_TOUCHABLE_WHEN_WAKING, equals = FLAG_TOUCHABLE_WHEN_WAKING,
908                     name = "FLAG_TOUCHABLE_WHEN_WAKING"),
909             @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON,
910                     name = "FLAG_KEEP_SCREEN_ON"),
911             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN,
912                     name = "FLAG_LAYOUT_IN_SCREEN"),
913             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_NO_LIMITS, equals = FLAG_LAYOUT_NO_LIMITS,
914                     name = "FLAG_LAYOUT_NO_LIMITS"),
915             @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN,
916                     name = "FLAG_FULLSCREEN"),
917             @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, equals = FLAG_FORCE_NOT_FULLSCREEN,
918                     name = "FLAG_FORCE_NOT_FULLSCREEN"),
919             @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER,
920                     name = "FLAG_DITHER"),
921             @ViewDebug.FlagToString(mask = FLAG_SECURE, equals = FLAG_SECURE,
922                     name = "FLAG_SECURE"),
923             @ViewDebug.FlagToString(mask = FLAG_SCALED, equals = FLAG_SCALED,
924                     name = "FLAG_SCALED"),
925             @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, equals = FLAG_IGNORE_CHEEK_PRESSES,
926                     name = "FLAG_IGNORE_CHEEK_PRESSES"),
927             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_INSET_DECOR, equals = FLAG_LAYOUT_INSET_DECOR,
928                     name = "FLAG_LAYOUT_INSET_DECOR"),
929             @ViewDebug.FlagToString(mask = FLAG_ALT_FOCUSABLE_IM, equals = FLAG_ALT_FOCUSABLE_IM,
930                     name = "FLAG_ALT_FOCUSABLE_IM"),
931             @ViewDebug.FlagToString(mask = FLAG_WATCH_OUTSIDE_TOUCH, equals = FLAG_WATCH_OUTSIDE_TOUCH,
932                     name = "FLAG_WATCH_OUTSIDE_TOUCH"),
933             @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED,
934                     name = "FLAG_SHOW_WHEN_LOCKED"),
935             @ViewDebug.FlagToString(mask = FLAG_SHOW_WALLPAPER, equals = FLAG_SHOW_WALLPAPER,
936                     name = "FLAG_SHOW_WALLPAPER"),
937             @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON,
938                     name = "FLAG_TURN_SCREEN_ON"),
939             @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD,
940                     name = "FLAG_DISMISS_KEYGUARD"),
941             @ViewDebug.FlagToString(mask = FLAG_SPLIT_TOUCH, equals = FLAG_SPLIT_TOUCH,
942                     name = "FLAG_SPLIT_TOUCH"),
943             @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, equals = FLAG_HARDWARE_ACCELERATED,
944                     name = "FLAG_HARDWARE_ACCELERATED")
945         })
946         public int flags;
947 
948         /**
949          * If the window has requested hardware acceleration, but this is not
950          * allowed in the process it is in, then still render it as if it is
951          * hardware accelerated.  This is used for the starting preview windows
952          * in the system process, which don't need to have the overhead of
953          * hardware acceleration (they are just a static rendering), but should
954          * be rendered as such to match the actual window of the app even if it
955          * is hardware accelerated.
956          * Even if the window isn't hardware accelerated, still do its rendering
957          * as if it was.
958          * Like {@link #FLAG_HARDWARE_ACCELERATED} except for trusted system windows
959          * that need hardware acceleration (e.g. LockScreen), where hardware acceleration
960          * is generally disabled. This flag must be specified in addition to
961          * {@link #FLAG_HARDWARE_ACCELERATED} to enable hardware acceleration for system
962          * windows.
963          *
964          * @hide
965          */
966         public static final int PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED = 0x00000001;
967 
968         /**
969          * In the system process, we globally do not use hardware acceleration
970          * because there are many threads doing UI there and they conflict.
971          * If certain parts of the UI that really do want to use hardware
972          * acceleration, this flag can be set to force it.  This is basically
973          * for the lock screen.  Anyone else using it, you are probably wrong.
974          *
975          * @hide
976          */
977         public static final int PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED = 0x00000002;
978 
979         /**
980          * By default, wallpapers are sent new offsets when the wallpaper is scrolled. Wallpapers
981          * may elect to skip these notifications if they are not doing anything productive with
982          * them (they do not affect the wallpaper scrolling operation) by calling
983          * {@link
984          * android.service.wallpaper.WallpaperService.Engine#setOffsetNotificationsEnabled(boolean)}.
985          *
986          * @hide
987          */
988         public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004;
989 
990         /**
991          * This is set for a window that has explicitly specified its
992          * FLAG_NEEDS_MENU_KEY, so we know the value on this window is the
993          * appropriate one to use.  If this is not set, we should look at
994          * windows behind it to determine the appropriate value.
995          *
996          * @hide
997          */
998         public static final int PRIVATE_FLAG_SET_NEEDS_MENU_KEY = 0x00000008;
999 
1000         /** In a multiuser system if this flag is set and the owner is a system process then this
1001          * window will appear on all user screens. This overrides the default behavior of window
1002          * types that normally only appear on the owning user's screen. Refer to each window type
1003          * to determine its default behavior.
1004          *
1005          * {@hide} */
1006         public static final int PRIVATE_FLAG_SHOW_FOR_ALL_USERS = 0x00000010;
1007 
1008         /**
1009          * Special flag for the volume overlay: force the window manager out of "hide nav bar"
1010          * mode while the window is on screen.
1011          *
1012          * {@hide} */
1013         public static final int PRIVATE_FLAG_FORCE_SHOW_NAV_BAR = 0x00000020;
1014 
1015         /**
1016          * Never animate position changes of the window.
1017          *
1018          * {@hide} */
1019         public static final int PRIVATE_FLAG_NO_MOVE_ANIMATION = 0x00000040;
1020 
1021         /**
1022          * Control flags that are private to the platform.
1023          * @hide
1024          */
1025         public int privateFlags;
1026 
1027         /**
1028          * Given a particular set of window manager flags, determine whether
1029          * such a window may be a target for an input method when it has
1030          * focus.  In particular, this checks the
1031          * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM}
1032          * flags and returns true if the combination of the two corresponds
1033          * to a window that needs to be behind the input method so that the
1034          * user can type into it.
1035          *
1036          * @param flags The current window manager flags.
1037          *
1038          * @return Returns true if such a window should be behind/interact
1039          * with an input method, false if not.
1040          */
mayUseInputMethod(int flags)1041         public static boolean mayUseInputMethod(int flags) {
1042             switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) {
1043                 case 0:
1044                 case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM:
1045                     return true;
1046             }
1047             return false;
1048         }
1049 
1050         /**
1051          * Mask for {@link #softInputMode} of the bits that determine the
1052          * desired visibility state of the soft input area for this window.
1053          */
1054         public static final int SOFT_INPUT_MASK_STATE = 0x0f;
1055 
1056         /**
1057          * Visibility state for {@link #softInputMode}: no state has been specified.
1058          */
1059         public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0;
1060 
1061         /**
1062          * Visibility state for {@link #softInputMode}: please don't change the state of
1063          * the soft input area.
1064          */
1065         public static final int SOFT_INPUT_STATE_UNCHANGED = 1;
1066 
1067         /**
1068          * Visibility state for {@link #softInputMode}: please hide any soft input
1069          * area when normally appropriate (when the user is navigating
1070          * forward to your window).
1071          */
1072         public static final int SOFT_INPUT_STATE_HIDDEN = 2;
1073 
1074         /**
1075          * Visibility state for {@link #softInputMode}: please always hide any
1076          * soft input area when this window receives focus.
1077          */
1078         public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3;
1079 
1080         /**
1081          * Visibility state for {@link #softInputMode}: please show the soft
1082          * input area when normally appropriate (when the user is navigating
1083          * forward to your window).
1084          */
1085         public static final int SOFT_INPUT_STATE_VISIBLE = 4;
1086 
1087         /**
1088          * Visibility state for {@link #softInputMode}: please always make the
1089          * soft input area visible when this window receives input focus.
1090          */
1091         public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5;
1092 
1093         /**
1094          * Mask for {@link #softInputMode} of the bits that determine the
1095          * way that the window should be adjusted to accommodate the soft
1096          * input window.
1097          */
1098         public static final int SOFT_INPUT_MASK_ADJUST = 0xf0;
1099 
1100         /** Adjustment option for {@link #softInputMode}: nothing specified.
1101          * The system will try to pick one or
1102          * the other depending on the contents of the window.
1103          */
1104         public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00;
1105 
1106         /** Adjustment option for {@link #softInputMode}: set to allow the
1107          * window to be resized when an input
1108          * method is shown, so that its contents are not covered by the input
1109          * method.  This can <em>not</em> be combined with
1110          * {@link #SOFT_INPUT_ADJUST_PAN}; if
1111          * neither of these are set, then the system will try to pick one or
1112          * the other depending on the contents of the window. If the window's
1113          * layout parameter flags include {@link #FLAG_FULLSCREEN}, this
1114          * value for {@link #softInputMode} will be ignored; the window will
1115          * not resize, but will stay fullscreen.
1116          */
1117         public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10;
1118 
1119         /** Adjustment option for {@link #softInputMode}: set to have a window
1120          * pan when an input method is
1121          * shown, so it doesn't need to deal with resizing but just panned
1122          * by the framework to ensure the current input focus is visible.  This
1123          * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if
1124          * neither of these are set, then the system will try to pick one or
1125          * the other depending on the contents of the window.
1126          */
1127         public static final int SOFT_INPUT_ADJUST_PAN = 0x20;
1128 
1129         /** Adjustment option for {@link #softInputMode}: set to have a window
1130          * not adjust for a shown input method.  The window will not be resized,
1131          * and it will not be panned to make its focus visible.
1132          */
1133         public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30;
1134 
1135         /**
1136          * Bit for {@link #softInputMode}: set when the user has navigated
1137          * forward to the window.  This is normally set automatically for
1138          * you by the system, though you may want to set it in certain cases
1139          * when you are displaying a window yourself.  This flag will always
1140          * be cleared automatically after the window is displayed.
1141          */
1142         public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100;
1143 
1144         /**
1145          * Desired operating mode for any soft input area.  May be any combination
1146          * of:
1147          *
1148          * <ul>
1149          * <li> One of the visibility states
1150          * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED},
1151          * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or
1152          * {@link #SOFT_INPUT_STATE_VISIBLE}.
1153          * <li> One of the adjustment options
1154          * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED},
1155          * {@link #SOFT_INPUT_ADJUST_RESIZE}, or
1156          * {@link #SOFT_INPUT_ADJUST_PAN}.
1157          * </ul>
1158          *
1159          *
1160          * <p>This flag can be controlled in your theme through the
1161          * {@link android.R.attr#windowSoftInputMode} attribute.</p>
1162          */
1163         public int softInputMode;
1164 
1165         /**
1166          * Placement of window within the screen as per {@link Gravity}.  Both
1167          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1168          * android.graphics.Rect) Gravity.apply} and
1169          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
1170          * Gravity.applyDisplay} are used during window layout, with this value
1171          * given as the desired gravity.  For example you can specify
1172          * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and
1173          * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here
1174          * to control the behavior of
1175          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
1176          * Gravity.applyDisplay}.
1177          *
1178          * @see Gravity
1179          */
1180         public int gravity;
1181 
1182         /**
1183          * The horizontal margin, as a percentage of the container's width,
1184          * between the container and the widget.  See
1185          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1186          * android.graphics.Rect) Gravity.apply} for how this is used.  This
1187          * field is added with {@link #x} to supply the <var>xAdj</var> parameter.
1188          */
1189         public float horizontalMargin;
1190 
1191         /**
1192          * The vertical margin, as a percentage of the container's height,
1193          * between the container and the widget.  See
1194          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1195          * android.graphics.Rect) Gravity.apply} for how this is used.  This
1196          * field is added with {@link #y} to supply the <var>yAdj</var> parameter.
1197          */
1198         public float verticalMargin;
1199 
1200         /**
1201          * The desired bitmap format.  May be one of the constants in
1202          * {@link android.graphics.PixelFormat}.  Default is OPAQUE.
1203          */
1204         public int format;
1205 
1206         /**
1207          * A style resource defining the animations to use for this window.
1208          * This must be a system resource; it can not be an application resource
1209          * because the window manager does not have access to applications.
1210          */
1211         public int windowAnimations;
1212 
1213         /**
1214          * An alpha value to apply to this entire window.
1215          * An alpha of 1.0 means fully opaque and 0.0 means fully transparent
1216          */
1217         public float alpha = 1.0f;
1218 
1219         /**
1220          * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming
1221          * to apply.  Range is from 1.0 for completely opaque to 0.0 for no
1222          * dim.
1223          */
1224         public float dimAmount = 1.0f;
1225 
1226         /**
1227          * Default value for {@link #screenBrightness} and {@link #buttonBrightness}
1228          * indicating that the brightness value is not overridden for this window
1229          * and normal brightness policy should be used.
1230          */
1231         public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f;
1232 
1233         /**
1234          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
1235          * indicating that the screen or button backlight brightness should be set
1236          * to the lowest value when this window is in front.
1237          */
1238         public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f;
1239 
1240         /**
1241          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
1242          * indicating that the screen or button backlight brightness should be set
1243          * to the hightest value when this window is in front.
1244          */
1245         public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f;
1246 
1247         /**
1248          * This can be used to override the user's preferred brightness of
1249          * the screen.  A value of less than 0, the default, means to use the
1250          * preferred screen brightness.  0 to 1 adjusts the brightness from
1251          * dark to full bright.
1252          */
1253         public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE;
1254 
1255         /**
1256          * This can be used to override the standard behavior of the button and
1257          * keyboard backlights.  A value of less than 0, the default, means to
1258          * use the standard backlight behavior.  0 to 1 adjusts the brightness
1259          * from dark to full bright.
1260          */
1261         public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE;
1262 
1263         /**
1264          * Value for {@link #rotationAnimation} to define the animation used to
1265          * specify that this window will rotate in or out following a rotation.
1266          */
1267         public static final int ROTATION_ANIMATION_ROTATE = 0;
1268 
1269         /**
1270          * Value for {@link #rotationAnimation} to define the animation used to
1271          * specify that this window will fade in or out following a rotation.
1272          */
1273         public static final int ROTATION_ANIMATION_CROSSFADE = 1;
1274 
1275         /**
1276          * Value for {@link #rotationAnimation} to define the animation used to
1277          * specify that this window will immediately disappear or appear following
1278          * a rotation.
1279          */
1280         public static final int ROTATION_ANIMATION_JUMPCUT = 2;
1281 
1282         /**
1283          * Define the exit and entry animations used on this window when the device is rotated.
1284          * This only has an affect if the incoming and outgoing topmost
1285          * opaque windows have the #FLAG_FULLSCREEN bit set and are not covered
1286          * by other windows. All other situations default to the
1287          * {@link #ROTATION_ANIMATION_ROTATE} behavior.
1288          *
1289          * @see #ROTATION_ANIMATION_ROTATE
1290          * @see #ROTATION_ANIMATION_CROSSFADE
1291          * @see #ROTATION_ANIMATION_JUMPCUT
1292          */
1293         public int rotationAnimation = ROTATION_ANIMATION_ROTATE;
1294 
1295         /**
1296          * Identifier for this window.  This will usually be filled in for
1297          * you.
1298          */
1299         public IBinder token = null;
1300 
1301         /**
1302          * Name of the package owning this window.
1303          */
1304         public String packageName = null;
1305 
1306         /**
1307          * Specific orientation value for a window.
1308          * May be any of the same values allowed
1309          * for {@link android.content.pm.ActivityInfo#screenOrientation}.
1310          * If not set, a default value of
1311          * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED}
1312          * will be used.
1313          */
1314         public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
1315 
1316         /**
1317          * Control the visibility of the status bar.
1318          *
1319          * @see View#STATUS_BAR_VISIBLE
1320          * @see View#STATUS_BAR_HIDDEN
1321          */
1322         public int systemUiVisibility;
1323 
1324         /**
1325          * @hide
1326          * The ui visibility as requested by the views in this hierarchy.
1327          * the combined value should be systemUiVisibility | subtreeSystemUiVisibility.
1328          */
1329         public int subtreeSystemUiVisibility;
1330 
1331         /**
1332          * Get callbacks about the system ui visibility changing.
1333          *
1334          * TODO: Maybe there should be a bitfield of optional callbacks that we need.
1335          *
1336          * @hide
1337          */
1338         public boolean hasSystemUiListeners;
1339 
1340         /**
1341          * When this window has focus, disable touch pad pointer gesture processing.
1342          * The window will receive raw position updates from the touch pad instead
1343          * of pointer movements and synthetic touch events.
1344          *
1345          * @hide
1346          */
1347         public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001;
1348 
1349         /**
1350          * Does not construct an input channel for this window.  The channel will therefore
1351          * be incapable of receiving input.
1352          *
1353          * @hide
1354          */
1355         public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002;
1356 
1357         /**
1358          * When this window has focus, does not call user activity for all input events so
1359          * the application will have to do it itself.  Should only be used by
1360          * the keyguard and phone app.
1361          * <p>
1362          * Should only be used by the keyguard and phone app.
1363          * </p>
1364          *
1365          * @hide
1366          */
1367         public static final int INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004;
1368 
1369         /**
1370          * Control special features of the input subsystem.
1371          *
1372          * @see #INPUT_FEATURE_DISABLE_POINTER_GESTURES
1373          * @see #INPUT_FEATURE_NO_INPUT_CHANNEL
1374          * @see #INPUT_FEATURE_DISABLE_USER_ACTIVITY
1375          * @hide
1376          */
1377         public int inputFeatures;
1378 
1379         /**
1380          * Sets the number of milliseconds before the user activity timeout occurs
1381          * when this window has focus.  A value of -1 uses the standard timeout.
1382          * A value of 0 uses the minimum support display timeout.
1383          * <p>
1384          * This property can only be used to reduce the user specified display timeout;
1385          * it can never make the timeout longer than it normally would be.
1386          * </p><p>
1387          * Should only be used by the keyguard and phone app.
1388          * </p>
1389          *
1390          * @hide
1391          */
1392         public long userActivityTimeout = -1;
1393 
LayoutParams()1394         public LayoutParams() {
1395             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1396             type = TYPE_APPLICATION;
1397             format = PixelFormat.OPAQUE;
1398         }
1399 
LayoutParams(int _type)1400         public LayoutParams(int _type) {
1401             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1402             type = _type;
1403             format = PixelFormat.OPAQUE;
1404         }
1405 
LayoutParams(int _type, int _flags)1406         public LayoutParams(int _type, int _flags) {
1407             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1408             type = _type;
1409             flags = _flags;
1410             format = PixelFormat.OPAQUE;
1411         }
1412 
LayoutParams(int _type, int _flags, int _format)1413         public LayoutParams(int _type, int _flags, int _format) {
1414             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1415             type = _type;
1416             flags = _flags;
1417             format = _format;
1418         }
1419 
LayoutParams(int w, int h, int _type, int _flags, int _format)1420         public LayoutParams(int w, int h, int _type, int _flags, int _format) {
1421             super(w, h);
1422             type = _type;
1423             flags = _flags;
1424             format = _format;
1425         }
1426 
LayoutParams(int w, int h, int xpos, int ypos, int _type, int _flags, int _format)1427         public LayoutParams(int w, int h, int xpos, int ypos, int _type,
1428                 int _flags, int _format) {
1429             super(w, h);
1430             x = xpos;
1431             y = ypos;
1432             type = _type;
1433             flags = _flags;
1434             format = _format;
1435         }
1436 
setTitle(CharSequence title)1437         public final void setTitle(CharSequence title) {
1438             if (null == title)
1439                 title = "";
1440 
1441             mTitle = TextUtils.stringOrSpannedString(title);
1442         }
1443 
getTitle()1444         public final CharSequence getTitle() {
1445             return mTitle;
1446         }
1447 
describeContents()1448         public int describeContents() {
1449             return 0;
1450         }
1451 
writeToParcel(Parcel out, int parcelableFlags)1452         public void writeToParcel(Parcel out, int parcelableFlags) {
1453             out.writeInt(width);
1454             out.writeInt(height);
1455             out.writeInt(x);
1456             out.writeInt(y);
1457             out.writeInt(type);
1458             out.writeInt(flags);
1459             out.writeInt(privateFlags);
1460             out.writeInt(softInputMode);
1461             out.writeInt(gravity);
1462             out.writeFloat(horizontalMargin);
1463             out.writeFloat(verticalMargin);
1464             out.writeInt(format);
1465             out.writeInt(windowAnimations);
1466             out.writeFloat(alpha);
1467             out.writeFloat(dimAmount);
1468             out.writeFloat(screenBrightness);
1469             out.writeFloat(buttonBrightness);
1470             out.writeInt(rotationAnimation);
1471             out.writeStrongBinder(token);
1472             out.writeString(packageName);
1473             TextUtils.writeToParcel(mTitle, out, parcelableFlags);
1474             out.writeInt(screenOrientation);
1475             out.writeInt(systemUiVisibility);
1476             out.writeInt(subtreeSystemUiVisibility);
1477             out.writeInt(hasSystemUiListeners ? 1 : 0);
1478             out.writeInt(inputFeatures);
1479             out.writeLong(userActivityTimeout);
1480         }
1481 
1482         public static final Parcelable.Creator<LayoutParams> CREATOR
1483                     = new Parcelable.Creator<LayoutParams>() {
1484             public LayoutParams createFromParcel(Parcel in) {
1485                 return new LayoutParams(in);
1486             }
1487 
1488             public LayoutParams[] newArray(int size) {
1489                 return new LayoutParams[size];
1490             }
1491         };
1492 
1493 
LayoutParams(Parcel in)1494         public LayoutParams(Parcel in) {
1495             width = in.readInt();
1496             height = in.readInt();
1497             x = in.readInt();
1498             y = in.readInt();
1499             type = in.readInt();
1500             flags = in.readInt();
1501             privateFlags = in.readInt();
1502             softInputMode = in.readInt();
1503             gravity = in.readInt();
1504             horizontalMargin = in.readFloat();
1505             verticalMargin = in.readFloat();
1506             format = in.readInt();
1507             windowAnimations = in.readInt();
1508             alpha = in.readFloat();
1509             dimAmount = in.readFloat();
1510             screenBrightness = in.readFloat();
1511             buttonBrightness = in.readFloat();
1512             rotationAnimation = in.readInt();
1513             token = in.readStrongBinder();
1514             packageName = in.readString();
1515             mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
1516             screenOrientation = in.readInt();
1517             systemUiVisibility = in.readInt();
1518             subtreeSystemUiVisibility = in.readInt();
1519             hasSystemUiListeners = in.readInt() != 0;
1520             inputFeatures = in.readInt();
1521             userActivityTimeout = in.readLong();
1522         }
1523 
1524         @SuppressWarnings({"PointlessBitwiseExpression"})
1525         public static final int LAYOUT_CHANGED = 1<<0;
1526         public static final int TYPE_CHANGED = 1<<1;
1527         public static final int FLAGS_CHANGED = 1<<2;
1528         public static final int FORMAT_CHANGED = 1<<3;
1529         public static final int ANIMATION_CHANGED = 1<<4;
1530         public static final int DIM_AMOUNT_CHANGED = 1<<5;
1531         public static final int TITLE_CHANGED = 1<<6;
1532         public static final int ALPHA_CHANGED = 1<<7;
1533         public static final int MEMORY_TYPE_CHANGED = 1<<8;
1534         public static final int SOFT_INPUT_MODE_CHANGED = 1<<9;
1535         public static final int SCREEN_ORIENTATION_CHANGED = 1<<10;
1536         public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11;
1537         public static final int ROTATION_ANIMATION_CHANGED = 1<<12;
1538         /** {@hide} */
1539         public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<13;
1540         /** {@hide} */
1541         public static final int SYSTEM_UI_VISIBILITY_CHANGED = 1<<14;
1542         /** {@hide} */
1543         public static final int SYSTEM_UI_LISTENER_CHANGED = 1<<15;
1544         /** {@hide} */
1545         public static final int INPUT_FEATURES_CHANGED = 1<<16;
1546         /** {@hide} */
1547         public static final int PRIVATE_FLAGS_CHANGED = 1<<17;
1548         /** {@hide} */
1549         public static final int USER_ACTIVITY_TIMEOUT_CHANGED = 1<<18;
1550         /** {@hide} */
1551         public static final int EVERYTHING_CHANGED = 0xffffffff;
1552 
1553         // internal buffer to backup/restore parameters under compatibility mode.
1554         private int[] mCompatibilityParamsBackup = null;
1555 
copyFrom(LayoutParams o)1556         public final int copyFrom(LayoutParams o) {
1557             int changes = 0;
1558 
1559             if (width != o.width) {
1560                 width = o.width;
1561                 changes |= LAYOUT_CHANGED;
1562             }
1563             if (height != o.height) {
1564                 height = o.height;
1565                 changes |= LAYOUT_CHANGED;
1566             }
1567             if (x != o.x) {
1568                 x = o.x;
1569                 changes |= LAYOUT_CHANGED;
1570             }
1571             if (y != o.y) {
1572                 y = o.y;
1573                 changes |= LAYOUT_CHANGED;
1574             }
1575             if (horizontalWeight != o.horizontalWeight) {
1576                 horizontalWeight = o.horizontalWeight;
1577                 changes |= LAYOUT_CHANGED;
1578             }
1579             if (verticalWeight != o.verticalWeight) {
1580                 verticalWeight = o.verticalWeight;
1581                 changes |= LAYOUT_CHANGED;
1582             }
1583             if (horizontalMargin != o.horizontalMargin) {
1584                 horizontalMargin = o.horizontalMargin;
1585                 changes |= LAYOUT_CHANGED;
1586             }
1587             if (verticalMargin != o.verticalMargin) {
1588                 verticalMargin = o.verticalMargin;
1589                 changes |= LAYOUT_CHANGED;
1590             }
1591             if (type != o.type) {
1592                 type = o.type;
1593                 changes |= TYPE_CHANGED;
1594             }
1595             if (flags != o.flags) {
1596                 flags = o.flags;
1597                 changes |= FLAGS_CHANGED;
1598             }
1599             if (privateFlags != o.privateFlags) {
1600                 privateFlags = o.privateFlags;
1601                 changes |= PRIVATE_FLAGS_CHANGED;
1602             }
1603             if (softInputMode != o.softInputMode) {
1604                 softInputMode = o.softInputMode;
1605                 changes |= SOFT_INPUT_MODE_CHANGED;
1606             }
1607             if (gravity != o.gravity) {
1608                 gravity = o.gravity;
1609                 changes |= LAYOUT_CHANGED;
1610             }
1611             if (format != o.format) {
1612                 format = o.format;
1613                 changes |= FORMAT_CHANGED;
1614             }
1615             if (windowAnimations != o.windowAnimations) {
1616                 windowAnimations = o.windowAnimations;
1617                 changes |= ANIMATION_CHANGED;
1618             }
1619             if (token == null) {
1620                 // NOTE: token only copied if the recipient doesn't
1621                 // already have one.
1622                 token = o.token;
1623             }
1624             if (packageName == null) {
1625                 // NOTE: packageName only copied if the recipient doesn't
1626                 // already have one.
1627                 packageName = o.packageName;
1628             }
1629             if (!mTitle.equals(o.mTitle)) {
1630                 mTitle = o.mTitle;
1631                 changes |= TITLE_CHANGED;
1632             }
1633             if (alpha != o.alpha) {
1634                 alpha = o.alpha;
1635                 changes |= ALPHA_CHANGED;
1636             }
1637             if (dimAmount != o.dimAmount) {
1638                 dimAmount = o.dimAmount;
1639                 changes |= DIM_AMOUNT_CHANGED;
1640             }
1641             if (screenBrightness != o.screenBrightness) {
1642                 screenBrightness = o.screenBrightness;
1643                 changes |= SCREEN_BRIGHTNESS_CHANGED;
1644             }
1645             if (buttonBrightness != o.buttonBrightness) {
1646                 buttonBrightness = o.buttonBrightness;
1647                 changes |= BUTTON_BRIGHTNESS_CHANGED;
1648             }
1649             if (rotationAnimation != o.rotationAnimation) {
1650                 rotationAnimation = o.rotationAnimation;
1651                 changes |= ROTATION_ANIMATION_CHANGED;
1652             }
1653 
1654             if (screenOrientation != o.screenOrientation) {
1655                 screenOrientation = o.screenOrientation;
1656                 changes |= SCREEN_ORIENTATION_CHANGED;
1657             }
1658 
1659             if (systemUiVisibility != o.systemUiVisibility
1660                     || subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) {
1661                 systemUiVisibility = o.systemUiVisibility;
1662                 subtreeSystemUiVisibility = o.subtreeSystemUiVisibility;
1663                 changes |= SYSTEM_UI_VISIBILITY_CHANGED;
1664             }
1665 
1666             if (hasSystemUiListeners != o.hasSystemUiListeners) {
1667                 hasSystemUiListeners = o.hasSystemUiListeners;
1668                 changes |= SYSTEM_UI_LISTENER_CHANGED;
1669             }
1670 
1671             if (inputFeatures != o.inputFeatures) {
1672                 inputFeatures = o.inputFeatures;
1673                 changes |= INPUT_FEATURES_CHANGED;
1674             }
1675 
1676             if (userActivityTimeout != o.userActivityTimeout) {
1677                 userActivityTimeout = o.userActivityTimeout;
1678                 changes |= USER_ACTIVITY_TIMEOUT_CHANGED;
1679             }
1680 
1681             return changes;
1682         }
1683 
1684         @Override
debug(String output)1685         public String debug(String output) {
1686             output += "Contents of " + this + ":";
1687             Log.d("Debug", output);
1688             output = super.debug("");
1689             Log.d("Debug", output);
1690             Log.d("Debug", "");
1691             Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}");
1692             return "";
1693         }
1694 
1695         @Override
toString()1696         public String toString() {
1697             StringBuilder sb = new StringBuilder(256);
1698             sb.append("WM.LayoutParams{");
1699             sb.append("(");
1700             sb.append(x);
1701             sb.append(',');
1702             sb.append(y);
1703             sb.append(")(");
1704             sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width)));
1705             sb.append('x');
1706             sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height)));
1707             sb.append(")");
1708             if (horizontalMargin != 0) {
1709                 sb.append(" hm=");
1710                 sb.append(horizontalMargin);
1711             }
1712             if (verticalMargin != 0) {
1713                 sb.append(" vm=");
1714                 sb.append(verticalMargin);
1715             }
1716             if (gravity != 0) {
1717                 sb.append(" gr=#");
1718                 sb.append(Integer.toHexString(gravity));
1719             }
1720             if (softInputMode != 0) {
1721                 sb.append(" sim=#");
1722                 sb.append(Integer.toHexString(softInputMode));
1723             }
1724             sb.append(" ty=");
1725             sb.append(type);
1726             sb.append(" fl=#");
1727             sb.append(Integer.toHexString(flags));
1728             if (privateFlags != 0) {
1729                 sb.append(" pfl=0x").append(Integer.toHexString(privateFlags));
1730             }
1731             if (format != PixelFormat.OPAQUE) {
1732                 sb.append(" fmt=");
1733                 sb.append(format);
1734             }
1735             if (windowAnimations != 0) {
1736                 sb.append(" wanim=0x");
1737                 sb.append(Integer.toHexString(windowAnimations));
1738             }
1739             if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
1740                 sb.append(" or=");
1741                 sb.append(screenOrientation);
1742             }
1743             if (alpha != 1.0f) {
1744                 sb.append(" alpha=");
1745                 sb.append(alpha);
1746             }
1747             if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) {
1748                 sb.append(" sbrt=");
1749                 sb.append(screenBrightness);
1750             }
1751             if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) {
1752                 sb.append(" bbrt=");
1753                 sb.append(buttonBrightness);
1754             }
1755             if (rotationAnimation != ROTATION_ANIMATION_ROTATE) {
1756                 sb.append(" rotAnim=");
1757                 sb.append(rotationAnimation);
1758             }
1759             if ((flags & FLAG_COMPATIBLE_WINDOW) != 0) {
1760                 sb.append(" compatible=true");
1761             }
1762             if (systemUiVisibility != 0) {
1763                 sb.append(" sysui=0x");
1764                 sb.append(Integer.toHexString(systemUiVisibility));
1765             }
1766             if (subtreeSystemUiVisibility != 0) {
1767                 sb.append(" vsysui=0x");
1768                 sb.append(Integer.toHexString(subtreeSystemUiVisibility));
1769             }
1770             if (hasSystemUiListeners) {
1771                 sb.append(" sysuil=");
1772                 sb.append(hasSystemUiListeners);
1773             }
1774             if (inputFeatures != 0) {
1775                 sb.append(" if=0x").append(Integer.toHexString(inputFeatures));
1776             }
1777             if (userActivityTimeout >= 0) {
1778                 sb.append(" userActivityTimeout=").append(userActivityTimeout);
1779             }
1780             sb.append('}');
1781             return sb.toString();
1782         }
1783 
1784         /**
1785          * Scale the layout params' coordinates and size.
1786          * @hide
1787          */
scale(float scale)1788         public void scale(float scale) {
1789             x = (int) (x * scale + 0.5f);
1790             y = (int) (y * scale + 0.5f);
1791             if (width > 0) {
1792                 width = (int) (width * scale + 0.5f);
1793             }
1794             if (height > 0) {
1795                 height = (int) (height * scale + 0.5f);
1796             }
1797         }
1798 
1799         /**
1800          * Backup the layout parameters used in compatibility mode.
1801          * @see LayoutParams#restore()
1802          */
backup()1803         void backup() {
1804             int[] backup = mCompatibilityParamsBackup;
1805             if (backup == null) {
1806                 // we backup 4 elements, x, y, width, height
1807                 backup = mCompatibilityParamsBackup = new int[4];
1808             }
1809             backup[0] = x;
1810             backup[1] = y;
1811             backup[2] = width;
1812             backup[3] = height;
1813         }
1814 
1815         /**
1816          * Restore the layout params' coordinates, size and gravity
1817          * @see LayoutParams#backup()
1818          */
restore()1819         void restore() {
1820             int[] backup = mCompatibilityParamsBackup;
1821             if (backup != null) {
1822                 x = backup[0];
1823                 y = backup[1];
1824                 width = backup[2];
1825                 height = backup[3];
1826             }
1827         }
1828 
1829         private CharSequence mTitle = "";
1830     }
1831 }
1832