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.app.Presentation;
20import android.content.Context;
21import android.content.pm.ActivityInfo;
22import android.graphics.PixelFormat;
23import android.os.IBinder;
24import android.os.Parcel;
25import android.os.Parcelable;
26import android.text.TextUtils;
27import 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 */
49public 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 {
56        public BadTokenException() {
57        }
58
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 {
69        public InvalidDisplayException() {
70        }
71
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     */
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     */
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            @ViewDebug.IntToString(from = TYPE_PRIVATE_PRESENTATION, to = "TYPE_PRIVATE_PRESENTATION")
224        })
225        public int type;
226
227        /**
228         * Start of window types that represent normal application windows.
229         */
230        public static final int FIRST_APPLICATION_WINDOW = 1;
231
232        /**
233         * Window type: an application window that serves as the "base" window
234         * of the overall application; all other application windows will
235         * appear on top of it.
236         * In multiuser systems shows only on the owning user's window.
237         */
238        public static final int TYPE_BASE_APPLICATION   = 1;
239
240        /**
241         * Window type: a normal application window.  The {@link #token} must be
242         * an Activity token identifying who the window belongs to.
243         * In multiuser systems shows only on the owning user's window.
244         */
245        public static final int TYPE_APPLICATION        = 2;
246
247        /**
248         * Window type: special application window that is displayed while the
249         * application is starting.  Not for use by applications themselves;
250         * this is used by the system to display something until the
251         * application can show its own windows.
252         * In multiuser systems shows on all users' windows.
253         */
254        public static final int TYPE_APPLICATION_STARTING = 3;
255
256        /**
257         * End of types of application windows.
258         */
259        public static final int LAST_APPLICATION_WINDOW = 99;
260
261        /**
262         * Start of types of sub-windows.  The {@link #token} of these windows
263         * must be set to the window they are attached to.  These types of
264         * windows are kept next to their attached window in Z-order, and their
265         * coordinate space is relative to their attached window.
266         */
267        public static final int FIRST_SUB_WINDOW        = 1000;
268
269        /**
270         * Window type: a panel on top of an application window.  These windows
271         * appear on top of their attached window.
272         */
273        public static final int TYPE_APPLICATION_PANEL  = FIRST_SUB_WINDOW;
274
275        /**
276         * Window type: window for showing media (such as video).  These windows
277         * are displayed behind their attached window.
278         */
279        public static final int TYPE_APPLICATION_MEDIA  = FIRST_SUB_WINDOW+1;
280
281        /**
282         * Window type: a sub-panel on top of an application window.  These
283         * windows are displayed on top their attached window and any
284         * {@link #TYPE_APPLICATION_PANEL} panels.
285         */
286        public static final int TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2;
287
288        /** Window type: like {@link #TYPE_APPLICATION_PANEL}, but layout
289         * of the window happens as that of a top-level window, <em>not</em>
290         * as a child of its container.
291         */
292        public static final int TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3;
293
294        /**
295         * Window type: window for showing overlays on top of media windows.
296         * These windows are displayed between TYPE_APPLICATION_MEDIA and the
297         * application window.  They should be translucent to be useful.  This
298         * is a big ugly hack so:
299         * @hide
300         */
301        public static final int TYPE_APPLICATION_MEDIA_OVERLAY  = FIRST_SUB_WINDOW+4;
302
303        /**
304         * End of types of sub-windows.
305         */
306        public static final int LAST_SUB_WINDOW         = 1999;
307
308        /**
309         * Start of system-specific window types.  These are not normally
310         * created by applications.
311         */
312        public static final int FIRST_SYSTEM_WINDOW     = 2000;
313
314        /**
315         * Window type: the status bar.  There can be only one status bar
316         * window; it is placed at the top of the screen, and all other
317         * windows are shifted down so they are below it.
318         * In multiuser systems shows on all users' windows.
319         */
320        public static final int TYPE_STATUS_BAR         = FIRST_SYSTEM_WINDOW;
321
322        /**
323         * Window type: the search bar.  There can be only one search bar
324         * window; it is placed at the top of the screen.
325         * In multiuser systems shows on all users' windows.
326         */
327        public static final int TYPE_SEARCH_BAR         = FIRST_SYSTEM_WINDOW+1;
328
329        /**
330         * Window type: phone.  These are non-application windows providing
331         * user interaction with the phone (in particular incoming calls).
332         * These windows are normally placed above all applications, but behind
333         * the status bar.
334         * In multiuser systems shows on all users' windows.
335         */
336        public static final int TYPE_PHONE              = FIRST_SYSTEM_WINDOW+2;
337
338        /**
339         * Window type: system window, such as low power alert. These windows
340         * are always on top of application windows.
341         * In multiuser systems shows only on the owning user's window.
342         */
343        public static final int TYPE_SYSTEM_ALERT       = FIRST_SYSTEM_WINDOW+3;
344
345        /**
346         * Window type: keyguard window.
347         * In multiuser systems shows on all users' windows.
348         */
349        public static final int TYPE_KEYGUARD           = FIRST_SYSTEM_WINDOW+4;
350
351        /**
352         * Window type: transient notifications.
353         * In multiuser systems shows only on the owning user's window.
354         */
355        public static final int TYPE_TOAST              = FIRST_SYSTEM_WINDOW+5;
356
357        /**
358         * Window type: system overlay windows, which need to be displayed
359         * on top of everything else.  These windows must not take input
360         * focus, or they will interfere with the keyguard.
361         * In multiuser systems shows only on the owning user's window.
362         */
363        public static final int TYPE_SYSTEM_OVERLAY     = FIRST_SYSTEM_WINDOW+6;
364
365        /**
366         * Window type: priority phone UI, which needs to be displayed even if
367         * the keyguard is active.  These windows must not take input
368         * focus, or they will interfere with the keyguard.
369         * In multiuser systems shows on all users' windows.
370         */
371        public static final int TYPE_PRIORITY_PHONE     = FIRST_SYSTEM_WINDOW+7;
372
373        /**
374         * Window type: panel that slides out from the status bar
375         * In multiuser systems shows on all users' windows.
376         */
377        public static final int TYPE_SYSTEM_DIALOG      = FIRST_SYSTEM_WINDOW+8;
378
379        /**
380         * Window type: dialogs that the keyguard shows
381         * In multiuser systems shows on all users' windows.
382         */
383        public static final int TYPE_KEYGUARD_DIALOG    = FIRST_SYSTEM_WINDOW+9;
384
385        /**
386         * Window type: internal system error windows, appear on top of
387         * everything they can.
388         * In multiuser systems shows only on the owning user's window.
389         */
390        public static final int TYPE_SYSTEM_ERROR       = FIRST_SYSTEM_WINDOW+10;
391
392        /**
393         * Window type: internal input methods windows, which appear above
394         * the normal UI.  Application windows may be resized or panned to keep
395         * the input focus visible while this window is displayed.
396         * In multiuser systems shows only on the owning user's window.
397         */
398        public static final int TYPE_INPUT_METHOD       = FIRST_SYSTEM_WINDOW+11;
399
400        /**
401         * Window type: internal input methods dialog windows, which appear above
402         * the current input method window.
403         * In multiuser systems shows only on the owning user's window.
404         */
405        public static final int TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12;
406
407        /**
408         * Window type: wallpaper window, placed behind any window that wants
409         * to sit on top of the wallpaper.
410         * In multiuser systems shows only on the owning user's window.
411         */
412        public static final int TYPE_WALLPAPER          = FIRST_SYSTEM_WINDOW+13;
413
414        /**
415         * Window type: panel that slides out from over the status bar
416         * In multiuser systems shows on all users' windows.
417         */
418        public static final int TYPE_STATUS_BAR_PANEL   = FIRST_SYSTEM_WINDOW+14;
419
420        /**
421         * Window type: secure system overlay windows, which need to be displayed
422         * on top of everything else.  These windows must not take input
423         * focus, or they will interfere with the keyguard.
424         *
425         * This is exactly like {@link #TYPE_SYSTEM_OVERLAY} except that only the
426         * system itself is allowed to create these overlays.  Applications cannot
427         * obtain permission to create secure system overlays.
428         *
429         * In multiuser systems shows only on the owning user's window.
430         * @hide
431         */
432        public static final int TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15;
433
434        /**
435         * Window type: the drag-and-drop pseudowindow.  There is only one
436         * drag layer (at most), and it is placed on top of all other windows.
437         * In multiuser systems shows only on the owning user's window.
438         * @hide
439         */
440        public static final int TYPE_DRAG               = FIRST_SYSTEM_WINDOW+16;
441
442        /**
443         * Window type: panel that slides out from under the status bar
444         * In multiuser systems shows on all users' windows.
445         * @hide
446         */
447        public static final int TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17;
448
449        /**
450         * Window type: (mouse) pointer
451         * In multiuser systems shows on all users' windows.
452         * @hide
453         */
454        public static final int TYPE_POINTER = FIRST_SYSTEM_WINDOW+18;
455
456        /**
457         * Window type: Navigation bar (when distinct from status bar)
458         * In multiuser systems shows on all users' windows.
459         * @hide
460         */
461        public static final int TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19;
462
463        /**
464         * Window type: The volume level overlay/dialog shown when the user
465         * changes the system volume.
466         * In multiuser systems shows on all users' windows.
467         * @hide
468         */
469        public static final int TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20;
470
471        /**
472         * Window type: The boot progress dialog, goes on top of everything
473         * in the world.
474         * In multiuser systems shows on all users' windows.
475         * @hide
476         */
477        public static final int TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21;
478
479        /**
480         * Window type: Fake window to consume touch events when the navigation
481         * bar is hidden.
482         * In multiuser systems shows on all users' windows.
483         * @hide
484         */
485        public static final int TYPE_HIDDEN_NAV_CONSUMER = FIRST_SYSTEM_WINDOW+22;
486
487        /**
488         * Window type: Dreams (screen saver) window, just above keyguard.
489         * In multiuser systems shows only on the owning user's window.
490         * @hide
491         */
492        public static final int TYPE_DREAM = FIRST_SYSTEM_WINDOW+23;
493
494        /**
495         * Window type: Navigation bar panel (when navigation bar is distinct from status bar)
496         * In multiuser systems shows on all users' windows.
497         * @hide
498         */
499        public static final int TYPE_NAVIGATION_BAR_PANEL = FIRST_SYSTEM_WINDOW+24;
500
501        /**
502         * Window type: Behind the universe of the real windows.
503         * In multiuser systems shows on all users' windows.
504         * @hide
505         */
506        public static final int TYPE_UNIVERSE_BACKGROUND = FIRST_SYSTEM_WINDOW+25;
507
508        /**
509         * Window type: Display overlay window.  Used to simulate secondary display devices.
510         * In multiuser systems shows on all users' windows.
511         * @hide
512         */
513        public static final int TYPE_DISPLAY_OVERLAY = FIRST_SYSTEM_WINDOW+26;
514
515        /**
516         * Window type: Magnification overlay window. Used to highlight the magnified
517         * portion of a display when accessibility magnification is enabled.
518         * In multiuser systems shows on all users' windows.
519         * @hide
520         */
521        public static final int TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+27;
522
523        /**
524         * Window type: Recents. Same layer as {@link #TYPE_SYSTEM_DIALOG} but only appears on
525         * one user's screen.
526         * In multiuser systems shows on all users' windows.
527         * @hide
528         */
529        public static final int TYPE_RECENTS_OVERLAY = FIRST_SYSTEM_WINDOW+28;
530
531
532        /**
533         * Window type: keyguard scrim window. Shows if keyguard needs to be restarted.
534         * In multiuser systems shows on all users' windows.
535         * @hide
536         */
537        public static final int TYPE_KEYGUARD_SCRIM           = FIRST_SYSTEM_WINDOW+29;
538
539        /**
540         * Window type: Window for Presentation on top of private
541         * virtual display.
542         */
543        public static final int TYPE_PRIVATE_PRESENTATION = FIRST_SYSTEM_WINDOW+30;
544
545        /**
546         * End of types of system windows.
547         */
548        public static final int LAST_SYSTEM_WINDOW      = 2999;
549
550        /** @deprecated this is ignored, this value is set automatically when needed. */
551        @Deprecated
552        public static final int MEMORY_TYPE_NORMAL = 0;
553        /** @deprecated this is ignored, this value is set automatically when needed. */
554        @Deprecated
555        public static final int MEMORY_TYPE_HARDWARE = 1;
556        /** @deprecated this is ignored, this value is set automatically when needed. */
557        @Deprecated
558        public static final int MEMORY_TYPE_GPU = 2;
559        /** @deprecated this is ignored, this value is set automatically when needed. */
560        @Deprecated
561        public static final int MEMORY_TYPE_PUSH_BUFFERS = 3;
562
563        /**
564         * @deprecated this is ignored
565         */
566        @Deprecated
567        public int memoryType;
568
569        /** Window flag: as long as this window is visible to the user, allow
570         *  the lock screen to activate while the screen is on.
571         *  This can be used independently, or in combination with
572         *  {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */
573        public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON     = 0x00000001;
574
575        /** Window flag: everything behind this window will be dimmed.
576         *  Use {@link #dimAmount} to control the amount of dim. */
577        public static final int FLAG_DIM_BEHIND        = 0x00000002;
578
579        /** Window flag: blur everything behind this window.
580         * @deprecated Blurring is no longer supported. */
581        @Deprecated
582        public static final int FLAG_BLUR_BEHIND        = 0x00000004;
583
584        /** Window flag: this window won't ever get key input focus, so the
585         * user can not send key or other button events to it.  Those will
586         * instead go to whatever focusable window is behind it.  This flag
587         * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that
588         * is explicitly set.
589         *
590         * <p>Setting this flag also implies that the window will not need to
591         * interact with
592         * a soft input method, so it will be Z-ordered and positioned
593         * independently of any active input method (typically this means it
594         * gets Z-ordered on top of the input method, so it can use the full
595         * screen for its content and cover the input method if needed.  You
596         * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */
597        public static final int FLAG_NOT_FOCUSABLE      = 0x00000008;
598
599        /** Window flag: this window can never receive touch events. */
600        public static final int FLAG_NOT_TOUCHABLE      = 0x00000010;
601
602        /** Window flag: even when this window is focusable (its
603         * {@link #FLAG_NOT_FOCUSABLE} is not set), allow any pointer events
604         * outside of the window to be sent to the windows behind it.  Otherwise
605         * it will consume all pointer events itself, regardless of whether they
606         * are inside of the window. */
607        public static final int FLAG_NOT_TOUCH_MODAL    = 0x00000020;
608
609        /** Window flag: when set, if the device is asleep when the touch
610         * screen is pressed, you will receive this first touch event.  Usually
611         * the first touch event is consumed by the system since the user can
612         * not see what they are pressing on.
613         */
614        public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040;
615
616        /** Window flag: as long as this window is visible to the user, keep
617         *  the device's screen turned on and bright. */
618        public static final int FLAG_KEEP_SCREEN_ON     = 0x00000080;
619
620        /** Window flag: place the window within the entire screen, ignoring
621         *  decorations around the border (such as the status bar).  The
622         *  window must correctly position its contents to take the screen
623         *  decoration into account.  This flag is normally set for you
624         *  by Window as described in {@link Window#setFlags}. */
625        public static final int FLAG_LAYOUT_IN_SCREEN   = 0x00000100;
626
627        /** Window flag: allow window to extend outside of the screen. */
628        public static final int FLAG_LAYOUT_NO_LIMITS   = 0x00000200;
629
630        /**
631         * Window flag: hide all screen decorations (such as the status bar) while
632         * this window is displayed.  This allows the window to use the entire
633         * display space for itself -- the status bar will be hidden when
634         * an app window with this flag set is on the top layer. A fullscreen window
635         * will ignore a value of {@link #SOFT_INPUT_ADJUST_RESIZE} for the window's
636         * {@link #softInputMode} field; the window will stay fullscreen
637         * and will not resize.
638         *
639         * <p>This flag can be controlled in your theme through the
640         * {@link android.R.attr#windowFullscreen} attribute; this attribute
641         * is automatically set for you in the standard fullscreen themes
642         * such as {@link android.R.style#Theme_NoTitleBar_Fullscreen},
643         * {@link android.R.style#Theme_Black_NoTitleBar_Fullscreen},
644         * {@link android.R.style#Theme_Light_NoTitleBar_Fullscreen},
645         * {@link android.R.style#Theme_Holo_NoActionBar_Fullscreen},
646         * {@link android.R.style#Theme_Holo_Light_NoActionBar_Fullscreen},
647         * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Fullscreen}, and
648         * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Fullscreen}.</p>
649         */
650        public static final int FLAG_FULLSCREEN      = 0x00000400;
651
652        /** Window flag: override {@link #FLAG_FULLSCREEN} and force the
653         *  screen decorations (such as the status bar) to be shown. */
654        public static final int FLAG_FORCE_NOT_FULLSCREEN   = 0x00000800;
655
656        /** Window flag: turn on dithering when compositing this window to
657         *  the screen.
658         * @deprecated This flag is no longer used. */
659        @Deprecated
660        public static final int FLAG_DITHER             = 0x00001000;
661
662        /** Window flag: treat the content of the window as secure, preventing
663         * it from appearing in screenshots or from being viewed on non-secure
664         * displays.
665         *
666         * <p>See {@link android.view.Display#FLAG_SECURE} for more details about
667         * secure surfaces and secure displays.
668         */
669        public static final int FLAG_SECURE             = 0x00002000;
670
671        /** Window flag: a special mode where the layout parameters are used
672         * to perform scaling of the surface when it is composited to the
673         * screen. */
674        public static final int FLAG_SCALED             = 0x00004000;
675
676        /** Window flag: intended for windows that will often be used when the user is
677         * holding the screen against their face, it will aggressively filter the event
678         * stream to prevent unintended presses in this situation that may not be
679         * desired for a particular window, when such an event stream is detected, the
680         * application will receive a CANCEL motion event to indicate this so applications
681         * can handle this accordingly by taking no action on the event
682         * until the finger is released. */
683        public static final int FLAG_IGNORE_CHEEK_PRESSES    = 0x00008000;
684
685        /** Window flag: a special option only for use in combination with
686         * {@link #FLAG_LAYOUT_IN_SCREEN}.  When requesting layout in the
687         * screen your window may appear on top of or behind screen decorations
688         * such as the status bar.  By also including this flag, the window
689         * manager will report the inset rectangle needed to ensure your
690         * content is not covered by screen decorations.  This flag is normally
691         * set for you by Window as described in {@link Window#setFlags}.*/
692        public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000;
693
694        /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with
695         * respect to how this window interacts with the current method.  That
696         * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the
697         * window will behave as if it needs to interact with the input method
698         * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is
699         * not set and this flag is set, then the window will behave as if it
700         * doesn't need to interact with the input method and can be placed
701         * to use more space and cover the input method.
702         */
703        public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000;
704
705        /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you
706         * can set this flag to receive a single special MotionEvent with
707         * the action
708         * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for
709         * touches that occur outside of your window.  Note that you will not
710         * receive the full down/move/up gesture, only the location of the
711         * first down as an ACTION_OUTSIDE.
712         */
713        public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000;
714
715        /** Window flag: special flag to let windows be shown when the screen
716         * is locked. This will let application windows take precedence over
717         * key guard or any other lock screens. Can be used with
718         * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows
719         * directly before showing the key guard window.  Can be used with
720         * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss
721         * non-secure keyguards.  This flag only applies to the top-most
722         * full-screen window.
723         */
724        public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000;
725
726        /** Window flag: ask that the system wallpaper be shown behind
727         * your window.  The window surface must be translucent to be able
728         * to actually see the wallpaper behind it; this flag just ensures
729         * that the wallpaper surface will be there if this window actually
730         * has translucent regions.
731         *
732         * <p>This flag can be controlled in your theme through the
733         * {@link android.R.attr#windowShowWallpaper} attribute; this attribute
734         * is automatically set for you in the standard wallpaper themes
735         * such as {@link android.R.style#Theme_Wallpaper},
736         * {@link android.R.style#Theme_Wallpaper_NoTitleBar},
737         * {@link android.R.style#Theme_Wallpaper_NoTitleBar_Fullscreen},
738         * {@link android.R.style#Theme_Holo_Wallpaper},
739         * {@link android.R.style#Theme_Holo_Wallpaper_NoTitleBar},
740         * {@link android.R.style#Theme_DeviceDefault_Wallpaper}, and
741         * {@link android.R.style#Theme_DeviceDefault_Wallpaper_NoTitleBar}.</p>
742         */
743        public static final int FLAG_SHOW_WALLPAPER = 0x00100000;
744
745        /** Window flag: when set as a window is being added or made
746         * visible, once the window has been shown then the system will
747         * poke the power manager's user activity (as if the user had woken
748         * up the device) to turn the screen on. */
749        public static final int FLAG_TURN_SCREEN_ON = 0x00200000;
750
751        /** Window flag: when set the window will cause the keyguard to
752         * be dismissed, only if it is not a secure lock keyguard.  Because such
753         * a keyguard is not needed for security, it will never re-appear if
754         * the user navigates to another window (in contrast to
755         * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily
756         * hide both secure and non-secure keyguards but ensure they reappear
757         * when the user moves to another UI that doesn't hide them).
758         * If the keyguard is currently active and is secure (requires an
759         * unlock pattern) than the user will still need to confirm it before
760         * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has
761         * also been set.
762         */
763        public static final int FLAG_DISMISS_KEYGUARD = 0x00400000;
764
765        /** Window flag: when set the window will accept for touch events
766         * outside of its bounds to be sent to other windows that also
767         * support split touch.  When this flag is not set, the first pointer
768         * that goes down determines the window to which all subsequent touches
769         * go until all pointers go up.  When this flag is set, each pointer
770         * (not necessarily the first) that goes down determines the window
771         * to which all subsequent touches of that pointer will go until that
772         * pointer goes up thereby enabling touches with multiple pointers
773         * to be split across multiple windows.
774         */
775        public static final int FLAG_SPLIT_TOUCH = 0x00800000;
776
777        /**
778         * <p>Indicates whether this window should be hardware accelerated.
779         * Requesting hardware acceleration does not guarantee it will happen.</p>
780         *
781         * <p>This flag can be controlled programmatically <em>only</em> to enable
782         * hardware acceleration. To enable hardware acceleration for a given
783         * window programmatically, do the following:</p>
784         *
785         * <pre>
786         * Window w = activity.getWindow(); // in Activity's onCreate() for instance
787         * w.setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
788         *         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
789         * </pre>
790         *
791         * <p>It is important to remember that this flag <strong>must</strong>
792         * be set before setting the content view of your activity or dialog.</p>
793         *
794         * <p>This flag cannot be used to disable hardware acceleration after it
795         * was enabled in your manifest using
796         * {@link android.R.attr#hardwareAccelerated}. If you need to selectively
797         * and programmatically disable hardware acceleration (for automated testing
798         * for instance), make sure it is turned off in your manifest and enable it
799         * on your activity or dialog when you need it instead, using the method
800         * described above.</p>
801         *
802         * <p>This flag is automatically set by the system if the
803         * {@link android.R.attr#hardwareAccelerated android:hardwareAccelerated}
804         * XML attribute is set to true on an activity or on the application.</p>
805         */
806        public static final int FLAG_HARDWARE_ACCELERATED = 0x01000000;
807
808        /**
809         * Window flag: allow window contents to extend in to the screen's
810         * overscan area, if there is one.  The window should still correctly
811         * position its contents to take the overscan area into account.
812         *
813         * <p>This flag can be controlled in your theme through the
814         * {@link android.R.attr#windowOverscan} attribute; this attribute
815         * is automatically set for you in the standard overscan themes
816         * such as
817         * {@link android.R.style#Theme_Holo_NoActionBar_Overscan},
818         * {@link android.R.style#Theme_Holo_Light_NoActionBar_Overscan},
819         * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Overscan}, and
820         * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Overscan}.</p>
821         *
822         * <p>When this flag is enabled for a window, its normal content may be obscured
823         * to some degree by the overscan region of the display.  To ensure key parts of
824         * that content are visible to the user, you can use
825         * {@link View#setFitsSystemWindows(boolean) View.setFitsSystemWindows(boolean)}
826         * to set the point in the view hierarchy where the appropriate offsets should
827         * be applied.  (This can be done either by directly calling this function, using
828         * the {@link android.R.attr#fitsSystemWindows} attribute in your view hierarchy,
829         * or implementing you own {@link View#fitSystemWindows(android.graphics.Rect)
830         * View.fitSystemWindows(Rect)} method).</p>
831         *
832         * <p>This mechanism for positioning content elements is identical to its equivalent
833         * use with layout and {@link View#setSystemUiVisibility(int)
834         * View.setSystemUiVisibility(int)}; here is an example layout that will correctly
835         * position its UI elements with this overscan flag is set:</p>
836         *
837         * {@sample development/samples/ApiDemos/res/layout/overscan_activity.xml complete}
838         */
839        public static final int FLAG_LAYOUT_IN_OVERSCAN = 0x02000000;
840
841        /**
842         * Window flag: request a translucent status bar with minimal system-provided
843         * background protection.
844         *
845         * <p>This flag can be controlled in your theme through the
846         * {@link android.R.attr#windowTranslucentStatus} attribute; this attribute
847         * is automatically set for you in the standard translucent decor themes
848         * such as
849         * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
850         * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
851         * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
852         * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
853         *
854         * <p>When this flag is enabled for a window, it automatically sets
855         * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
856         * {@link View#SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}.</p>
857         */
858        public static final int FLAG_TRANSLUCENT_STATUS = 0x04000000;
859
860        /**
861         * Window flag: request a translucent navigation bar with minimal system-provided
862         * background protection.
863         *
864         * <p>This flag can be controlled in your theme through the
865         * {@link android.R.attr#windowTranslucentNavigation} attribute; this attribute
866         * is automatically set for you in the standard translucent decor themes
867         * such as
868         * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
869         * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
870         * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
871         * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
872         *
873         * <p>When this flag is enabled for a window, it automatically sets
874         * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
875         * {@link View#SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION}.</p>
876         */
877        public static final int FLAG_TRANSLUCENT_NAVIGATION = 0x08000000;
878
879        // ----- HIDDEN FLAGS.
880        // These start at the high bit and go down.
881
882        /**
883         * Flag for a window in local focus mode.
884         * Window in local focus mode can control focus independent of window manager using
885         * {@link Window#setLocalFocus(boolean, boolean)}.
886         * Usually window in this mode will not get touch/key events from window manager, but will
887         * get events only via local injection using {@link Window#injectInputEvent(InputEvent)}.
888         */
889        public static final int FLAG_LOCAL_FOCUS_MODE = 0x10000000;
890
891        /** Window flag: Enable touches to slide out of a window into neighboring
892         * windows in mid-gesture instead of being captured for the duration of
893         * the gesture.
894         *
895         * This flag changes the behavior of touch focus for this window only.
896         * Touches can slide out of the window but they cannot necessarily slide
897         * back in (unless the other window with touch focus permits it).
898         *
899         * {@hide}
900         */
901        public static final int FLAG_SLIPPERY = 0x20000000;
902
903        /**
904         * Flag for a window belonging to an activity that responds to {@link KeyEvent#KEYCODE_MENU}
905         * and therefore needs a Menu key. For devices where Menu is a physical button this flag is
906         * ignored, but on devices where the Menu key is drawn in software it may be hidden unless
907         * this flag is set.
908         *
909         * (Note that Action Bars, when available, are the preferred way to offer additional
910         * functions otherwise accessed via an options menu.)
911         *
912         * {@hide}
913         */
914        public static final int FLAG_NEEDS_MENU_KEY = 0x40000000;
915
916
917        /**
918         * Various behavioral options/flags.  Default is none.
919         *
920         * @see #FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
921         * @see #FLAG_DIM_BEHIND
922         * @see #FLAG_NOT_FOCUSABLE
923         * @see #FLAG_NOT_TOUCHABLE
924         * @see #FLAG_NOT_TOUCH_MODAL
925         * @see #FLAG_TOUCHABLE_WHEN_WAKING
926         * @see #FLAG_KEEP_SCREEN_ON
927         * @see #FLAG_LAYOUT_IN_SCREEN
928         * @see #FLAG_LAYOUT_NO_LIMITS
929         * @see #FLAG_FULLSCREEN
930         * @see #FLAG_FORCE_NOT_FULLSCREEN
931         * @see #FLAG_SECURE
932         * @see #FLAG_SCALED
933         * @see #FLAG_IGNORE_CHEEK_PRESSES
934         * @see #FLAG_LAYOUT_INSET_DECOR
935         * @see #FLAG_ALT_FOCUSABLE_IM
936         * @see #FLAG_WATCH_OUTSIDE_TOUCH
937         * @see #FLAG_SHOW_WHEN_LOCKED
938         * @see #FLAG_SHOW_WALLPAPER
939         * @see #FLAG_TURN_SCREEN_ON
940         * @see #FLAG_DISMISS_KEYGUARD
941         * @see #FLAG_SPLIT_TOUCH
942         * @see #FLAG_HARDWARE_ACCELERATED
943         * @see #FLAG_LOCAL_FOCUS_MODE
944         */
945        @ViewDebug.ExportedProperty(flagMapping = {
946            @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON,
947                    name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"),
948            @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND,
949                    name = "FLAG_DIM_BEHIND"),
950            @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND,
951                    name = "FLAG_BLUR_BEHIND"),
952            @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE,
953                    name = "FLAG_NOT_FOCUSABLE"),
954            @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE,
955                    name = "FLAG_NOT_TOUCHABLE"),
956            @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL,
957                    name = "FLAG_NOT_TOUCH_MODAL"),
958            @ViewDebug.FlagToString(mask = FLAG_TOUCHABLE_WHEN_WAKING, equals = FLAG_TOUCHABLE_WHEN_WAKING,
959                    name = "FLAG_TOUCHABLE_WHEN_WAKING"),
960            @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON,
961                    name = "FLAG_KEEP_SCREEN_ON"),
962            @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN,
963                    name = "FLAG_LAYOUT_IN_SCREEN"),
964            @ViewDebug.FlagToString(mask = FLAG_LAYOUT_NO_LIMITS, equals = FLAG_LAYOUT_NO_LIMITS,
965                    name = "FLAG_LAYOUT_NO_LIMITS"),
966            @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN,
967                    name = "FLAG_FULLSCREEN"),
968            @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, equals = FLAG_FORCE_NOT_FULLSCREEN,
969                    name = "FLAG_FORCE_NOT_FULLSCREEN"),
970            @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER,
971                    name = "FLAG_DITHER"),
972            @ViewDebug.FlagToString(mask = FLAG_SECURE, equals = FLAG_SECURE,
973                    name = "FLAG_SECURE"),
974            @ViewDebug.FlagToString(mask = FLAG_SCALED, equals = FLAG_SCALED,
975                    name = "FLAG_SCALED"),
976            @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, equals = FLAG_IGNORE_CHEEK_PRESSES,
977                    name = "FLAG_IGNORE_CHEEK_PRESSES"),
978            @ViewDebug.FlagToString(mask = FLAG_LAYOUT_INSET_DECOR, equals = FLAG_LAYOUT_INSET_DECOR,
979                    name = "FLAG_LAYOUT_INSET_DECOR"),
980            @ViewDebug.FlagToString(mask = FLAG_ALT_FOCUSABLE_IM, equals = FLAG_ALT_FOCUSABLE_IM,
981                    name = "FLAG_ALT_FOCUSABLE_IM"),
982            @ViewDebug.FlagToString(mask = FLAG_WATCH_OUTSIDE_TOUCH, equals = FLAG_WATCH_OUTSIDE_TOUCH,
983                    name = "FLAG_WATCH_OUTSIDE_TOUCH"),
984            @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED,
985                    name = "FLAG_SHOW_WHEN_LOCKED"),
986            @ViewDebug.FlagToString(mask = FLAG_SHOW_WALLPAPER, equals = FLAG_SHOW_WALLPAPER,
987                    name = "FLAG_SHOW_WALLPAPER"),
988            @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON,
989                    name = "FLAG_TURN_SCREEN_ON"),
990            @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD,
991                    name = "FLAG_DISMISS_KEYGUARD"),
992            @ViewDebug.FlagToString(mask = FLAG_SPLIT_TOUCH, equals = FLAG_SPLIT_TOUCH,
993                    name = "FLAG_SPLIT_TOUCH"),
994            @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, equals = FLAG_HARDWARE_ACCELERATED,
995                    name = "FLAG_HARDWARE_ACCELERATED"),
996            @ViewDebug.FlagToString(mask = FLAG_LOCAL_FOCUS_MODE, equals = FLAG_LOCAL_FOCUS_MODE,
997                    name = "FLAG_LOCAL_FOCUS_MODE"),
998            @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_STATUS, equals = FLAG_TRANSLUCENT_STATUS,
999                    name = "FLAG_TRANSLUCENT_STATUS"),
1000            @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_NAVIGATION, equals = FLAG_TRANSLUCENT_NAVIGATION,
1001                    name = "FLAG_TRANSLUCENT_NAVIGATION")
1002        })
1003        public int flags;
1004
1005        /**
1006         * If the window has requested hardware acceleration, but this is not
1007         * allowed in the process it is in, then still render it as if it is
1008         * hardware accelerated.  This is used for the starting preview windows
1009         * in the system process, which don't need to have the overhead of
1010         * hardware acceleration (they are just a static rendering), but should
1011         * be rendered as such to match the actual window of the app even if it
1012         * is hardware accelerated.
1013         * Even if the window isn't hardware accelerated, still do its rendering
1014         * as if it was.
1015         * Like {@link #FLAG_HARDWARE_ACCELERATED} except for trusted system windows
1016         * that need hardware acceleration (e.g. LockScreen), where hardware acceleration
1017         * is generally disabled. This flag must be specified in addition to
1018         * {@link #FLAG_HARDWARE_ACCELERATED} to enable hardware acceleration for system
1019         * windows.
1020         *
1021         * @hide
1022         */
1023        public static final int PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED = 0x00000001;
1024
1025        /**
1026         * In the system process, we globally do not use hardware acceleration
1027         * because there are many threads doing UI there and they conflict.
1028         * If certain parts of the UI that really do want to use hardware
1029         * acceleration, this flag can be set to force it.  This is basically
1030         * for the lock screen.  Anyone else using it, you are probably wrong.
1031         *
1032         * @hide
1033         */
1034        public static final int PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED = 0x00000002;
1035
1036        /**
1037         * By default, wallpapers are sent new offsets when the wallpaper is scrolled. Wallpapers
1038         * may elect to skip these notifications if they are not doing anything productive with
1039         * them (they do not affect the wallpaper scrolling operation) by calling
1040         * {@link
1041         * android.service.wallpaper.WallpaperService.Engine#setOffsetNotificationsEnabled(boolean)}.
1042         *
1043         * @hide
1044         */
1045        public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004;
1046
1047        /**
1048         * This is set for a window that has explicitly specified its
1049         * FLAG_NEEDS_MENU_KEY, so we know the value on this window is the
1050         * appropriate one to use.  If this is not set, we should look at
1051         * windows behind it to determine the appropriate value.
1052         *
1053         * @hide
1054         */
1055        public static final int PRIVATE_FLAG_SET_NEEDS_MENU_KEY = 0x00000008;
1056
1057        /** In a multiuser system if this flag is set and the owner is a system process then this
1058         * window will appear on all user screens. This overrides the default behavior of window
1059         * types that normally only appear on the owning user's screen. Refer to each window type
1060         * to determine its default behavior.
1061         *
1062         * {@hide} */
1063        public static final int PRIVATE_FLAG_SHOW_FOR_ALL_USERS = 0x00000010;
1064
1065        /**
1066         * Special flag for the volume overlay: force the window manager out of "hide nav bar"
1067         * mode while the window is on screen.
1068         *
1069         * {@hide} */
1070        public static final int PRIVATE_FLAG_FORCE_SHOW_NAV_BAR = 0x00000020;
1071
1072        /**
1073         * Never animate position changes of the window.
1074         *
1075         * {@hide} */
1076        public static final int PRIVATE_FLAG_NO_MOVE_ANIMATION = 0x00000040;
1077
1078        /** Window flag: special flag to limit the size of the window to be
1079         * original size ([320x480] x density). Used to create window for applications
1080         * running under compatibility mode.
1081         *
1082         * {@hide} */
1083        public static final int PRIVATE_FLAG_COMPATIBLE_WINDOW = 0x00000080;
1084
1085        /** Window flag: a special option intended for system dialogs.  When
1086         * this flag is set, the window will demand focus unconditionally when
1087         * it is created.
1088         * {@hide} */
1089        public static final int PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100;
1090
1091        /** Window flag: maintain the previous translucent decor state when this window
1092         * becomes top-most.
1093         * {@hide} */
1094        public static final int PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR = 0x00000200;
1095
1096        /**
1097         * Control flags that are private to the platform.
1098         * @hide
1099         */
1100        public int privateFlags;
1101
1102        /**
1103         * Given a particular set of window manager flags, determine whether
1104         * such a window may be a target for an input method when it has
1105         * focus.  In particular, this checks the
1106         * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM}
1107         * flags and returns true if the combination of the two corresponds
1108         * to a window that needs to be behind the input method so that the
1109         * user can type into it.
1110         *
1111         * @param flags The current window manager flags.
1112         *
1113         * @return Returns true if such a window should be behind/interact
1114         * with an input method, false if not.
1115         */
1116        public static boolean mayUseInputMethod(int flags) {
1117            switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) {
1118                case 0:
1119                case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM:
1120                    return true;
1121            }
1122            return false;
1123        }
1124
1125        /**
1126         * Mask for {@link #softInputMode} of the bits that determine the
1127         * desired visibility state of the soft input area for this window.
1128         */
1129        public static final int SOFT_INPUT_MASK_STATE = 0x0f;
1130
1131        /**
1132         * Visibility state for {@link #softInputMode}: no state has been specified.
1133         */
1134        public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0;
1135
1136        /**
1137         * Visibility state for {@link #softInputMode}: please don't change the state of
1138         * the soft input area.
1139         */
1140        public static final int SOFT_INPUT_STATE_UNCHANGED = 1;
1141
1142        /**
1143         * Visibility state for {@link #softInputMode}: please hide any soft input
1144         * area when normally appropriate (when the user is navigating
1145         * forward to your window).
1146         */
1147        public static final int SOFT_INPUT_STATE_HIDDEN = 2;
1148
1149        /**
1150         * Visibility state for {@link #softInputMode}: please always hide any
1151         * soft input area when this window receives focus.
1152         */
1153        public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3;
1154
1155        /**
1156         * Visibility state for {@link #softInputMode}: please show the soft
1157         * input area when normally appropriate (when the user is navigating
1158         * forward to your window).
1159         */
1160        public static final int SOFT_INPUT_STATE_VISIBLE = 4;
1161
1162        /**
1163         * Visibility state for {@link #softInputMode}: please always make the
1164         * soft input area visible when this window receives input focus.
1165         */
1166        public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5;
1167
1168        /**
1169         * Mask for {@link #softInputMode} of the bits that determine the
1170         * way that the window should be adjusted to accommodate the soft
1171         * input window.
1172         */
1173        public static final int SOFT_INPUT_MASK_ADJUST = 0xf0;
1174
1175        /** Adjustment option for {@link #softInputMode}: nothing specified.
1176         * The system will try to pick one or
1177         * the other depending on the contents of the window.
1178         */
1179        public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00;
1180
1181        /** Adjustment option for {@link #softInputMode}: set to allow the
1182         * window to be resized when an input
1183         * method is shown, so that its contents are not covered by the input
1184         * method.  This can <em>not</em> be combined with
1185         * {@link #SOFT_INPUT_ADJUST_PAN}; if
1186         * neither of these are set, then the system will try to pick one or
1187         * the other depending on the contents of the window. If the window's
1188         * layout parameter flags include {@link #FLAG_FULLSCREEN}, this
1189         * value for {@link #softInputMode} will be ignored; the window will
1190         * not resize, but will stay fullscreen.
1191         */
1192        public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10;
1193
1194        /** Adjustment option for {@link #softInputMode}: set to have a window
1195         * pan when an input method is
1196         * shown, so it doesn't need to deal with resizing but just panned
1197         * by the framework to ensure the current input focus is visible.  This
1198         * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if
1199         * neither of these are set, then the system will try to pick one or
1200         * the other depending on the contents of the window.
1201         */
1202        public static final int SOFT_INPUT_ADJUST_PAN = 0x20;
1203
1204        /** Adjustment option for {@link #softInputMode}: set to have a window
1205         * not adjust for a shown input method.  The window will not be resized,
1206         * and it will not be panned to make its focus visible.
1207         */
1208        public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30;
1209
1210        /**
1211         * Bit for {@link #softInputMode}: set when the user has navigated
1212         * forward to the window.  This is normally set automatically for
1213         * you by the system, though you may want to set it in certain cases
1214         * when you are displaying a window yourself.  This flag will always
1215         * be cleared automatically after the window is displayed.
1216         */
1217        public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100;
1218
1219        /**
1220         * Desired operating mode for any soft input area.  May be any combination
1221         * of:
1222         *
1223         * <ul>
1224         * <li> One of the visibility states
1225         * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED},
1226         * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or
1227         * {@link #SOFT_INPUT_STATE_VISIBLE}.
1228         * <li> One of the adjustment options
1229         * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED},
1230         * {@link #SOFT_INPUT_ADJUST_RESIZE}, or
1231         * {@link #SOFT_INPUT_ADJUST_PAN}.
1232         * </ul>
1233         *
1234         *
1235         * <p>This flag can be controlled in your theme through the
1236         * {@link android.R.attr#windowSoftInputMode} attribute.</p>
1237         */
1238        public int softInputMode;
1239
1240        /**
1241         * Placement of window within the screen as per {@link Gravity}.  Both
1242         * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1243         * android.graphics.Rect) Gravity.apply} and
1244         * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
1245         * Gravity.applyDisplay} are used during window layout, with this value
1246         * given as the desired gravity.  For example you can specify
1247         * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and
1248         * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here
1249         * to control the behavior of
1250         * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
1251         * Gravity.applyDisplay}.
1252         *
1253         * @see Gravity
1254         */
1255        public int gravity;
1256
1257        /**
1258         * The horizontal margin, as a percentage of the container's width,
1259         * between the container and the widget.  See
1260         * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1261         * android.graphics.Rect) Gravity.apply} for how this is used.  This
1262         * field is added with {@link #x} to supply the <var>xAdj</var> parameter.
1263         */
1264        public float horizontalMargin;
1265
1266        /**
1267         * The vertical margin, as a percentage of the container's height,
1268         * between the container and the widget.  See
1269         * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
1270         * android.graphics.Rect) Gravity.apply} for how this is used.  This
1271         * field is added with {@link #y} to supply the <var>yAdj</var> parameter.
1272         */
1273        public float verticalMargin;
1274
1275        /**
1276         * The desired bitmap format.  May be one of the constants in
1277         * {@link android.graphics.PixelFormat}.  Default is OPAQUE.
1278         */
1279        public int format;
1280
1281        /**
1282         * A style resource defining the animations to use for this window.
1283         * This must be a system resource; it can not be an application resource
1284         * because the window manager does not have access to applications.
1285         */
1286        public int windowAnimations;
1287
1288        /**
1289         * An alpha value to apply to this entire window.
1290         * An alpha of 1.0 means fully opaque and 0.0 means fully transparent
1291         */
1292        public float alpha = 1.0f;
1293
1294        /**
1295         * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming
1296         * to apply.  Range is from 1.0 for completely opaque to 0.0 for no
1297         * dim.
1298         */
1299        public float dimAmount = 1.0f;
1300
1301        /**
1302         * Default value for {@link #screenBrightness} and {@link #buttonBrightness}
1303         * indicating that the brightness value is not overridden for this window
1304         * and normal brightness policy should be used.
1305         */
1306        public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f;
1307
1308        /**
1309         * Value for {@link #screenBrightness} and {@link #buttonBrightness}
1310         * indicating that the screen or button backlight brightness should be set
1311         * to the lowest value when this window is in front.
1312         */
1313        public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f;
1314
1315        /**
1316         * Value for {@link #screenBrightness} and {@link #buttonBrightness}
1317         * indicating that the screen or button backlight brightness should be set
1318         * to the hightest value when this window is in front.
1319         */
1320        public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f;
1321
1322        /**
1323         * This can be used to override the user's preferred brightness of
1324         * the screen.  A value of less than 0, the default, means to use the
1325         * preferred screen brightness.  0 to 1 adjusts the brightness from
1326         * dark to full bright.
1327         */
1328        public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE;
1329
1330        /**
1331         * This can be used to override the standard behavior of the button and
1332         * keyboard backlights.  A value of less than 0, the default, means to
1333         * use the standard backlight behavior.  0 to 1 adjusts the brightness
1334         * from dark to full bright.
1335         */
1336        public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE;
1337
1338        /**
1339         * Value for {@link #rotationAnimation} to define the animation used to
1340         * specify that this window will rotate in or out following a rotation.
1341         */
1342        public static final int ROTATION_ANIMATION_ROTATE = 0;
1343
1344        /**
1345         * Value for {@link #rotationAnimation} to define the animation used to
1346         * specify that this window will fade in or out following a rotation.
1347         */
1348        public static final int ROTATION_ANIMATION_CROSSFADE = 1;
1349
1350        /**
1351         * Value for {@link #rotationAnimation} to define the animation used to
1352         * specify that this window will immediately disappear or appear following
1353         * a rotation.
1354         */
1355        public static final int ROTATION_ANIMATION_JUMPCUT = 2;
1356
1357        /**
1358         * Define the exit and entry animations used on this window when the device is rotated.
1359         * This only has an affect if the incoming and outgoing topmost
1360         * opaque windows have the #FLAG_FULLSCREEN bit set and are not covered
1361         * by other windows. All other situations default to the
1362         * {@link #ROTATION_ANIMATION_ROTATE} behavior.
1363         *
1364         * @see #ROTATION_ANIMATION_ROTATE
1365         * @see #ROTATION_ANIMATION_CROSSFADE
1366         * @see #ROTATION_ANIMATION_JUMPCUT
1367         */
1368        public int rotationAnimation = ROTATION_ANIMATION_ROTATE;
1369
1370        /**
1371         * Identifier for this window.  This will usually be filled in for
1372         * you.
1373         */
1374        public IBinder token = null;
1375
1376        /**
1377         * Name of the package owning this window.
1378         */
1379        public String packageName = null;
1380
1381        /**
1382         * Specific orientation value for a window.
1383         * May be any of the same values allowed
1384         * for {@link android.content.pm.ActivityInfo#screenOrientation}.
1385         * If not set, a default value of
1386         * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED}
1387         * will be used.
1388         */
1389        public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
1390
1391        /**
1392         * Control the visibility of the status bar.
1393         *
1394         * @see View#STATUS_BAR_VISIBLE
1395         * @see View#STATUS_BAR_HIDDEN
1396         */
1397        public int systemUiVisibility;
1398
1399        /**
1400         * @hide
1401         * The ui visibility as requested by the views in this hierarchy.
1402         * the combined value should be systemUiVisibility | subtreeSystemUiVisibility.
1403         */
1404        public int subtreeSystemUiVisibility;
1405
1406        /**
1407         * Get callbacks about the system ui visibility changing.
1408         *
1409         * TODO: Maybe there should be a bitfield of optional callbacks that we need.
1410         *
1411         * @hide
1412         */
1413        public boolean hasSystemUiListeners;
1414
1415        /**
1416         * When this window has focus, disable touch pad pointer gesture processing.
1417         * The window will receive raw position updates from the touch pad instead
1418         * of pointer movements and synthetic touch events.
1419         *
1420         * @hide
1421         */
1422        public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001;
1423
1424        /**
1425         * Does not construct an input channel for this window.  The channel will therefore
1426         * be incapable of receiving input.
1427         *
1428         * @hide
1429         */
1430        public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002;
1431
1432        /**
1433         * When this window has focus, does not call user activity for all input events so
1434         * the application will have to do it itself.  Should only be used by
1435         * the keyguard and phone app.
1436         * <p>
1437         * Should only be used by the keyguard and phone app.
1438         * </p>
1439         *
1440         * @hide
1441         */
1442        public static final int INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004;
1443
1444        /**
1445         * Control special features of the input subsystem.
1446         *
1447         * @see #INPUT_FEATURE_DISABLE_POINTER_GESTURES
1448         * @see #INPUT_FEATURE_NO_INPUT_CHANNEL
1449         * @see #INPUT_FEATURE_DISABLE_USER_ACTIVITY
1450         * @hide
1451         */
1452        public int inputFeatures;
1453
1454        /**
1455         * Sets the number of milliseconds before the user activity timeout occurs
1456         * when this window has focus.  A value of -1 uses the standard timeout.
1457         * A value of 0 uses the minimum support display timeout.
1458         * <p>
1459         * This property can only be used to reduce the user specified display timeout;
1460         * it can never make the timeout longer than it normally would be.
1461         * </p><p>
1462         * Should only be used by the keyguard and phone app.
1463         * </p>
1464         *
1465         * @hide
1466         */
1467        public long userActivityTimeout = -1;
1468
1469        public LayoutParams() {
1470            super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1471            type = TYPE_APPLICATION;
1472            format = PixelFormat.OPAQUE;
1473        }
1474
1475        public LayoutParams(int _type) {
1476            super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1477            type = _type;
1478            format = PixelFormat.OPAQUE;
1479        }
1480
1481        public LayoutParams(int _type, int _flags) {
1482            super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1483            type = _type;
1484            flags = _flags;
1485            format = PixelFormat.OPAQUE;
1486        }
1487
1488        public LayoutParams(int _type, int _flags, int _format) {
1489            super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
1490            type = _type;
1491            flags = _flags;
1492            format = _format;
1493        }
1494
1495        public LayoutParams(int w, int h, int _type, int _flags, int _format) {
1496            super(w, h);
1497            type = _type;
1498            flags = _flags;
1499            format = _format;
1500        }
1501
1502        public LayoutParams(int w, int h, int xpos, int ypos, int _type,
1503                int _flags, int _format) {
1504            super(w, h);
1505            x = xpos;
1506            y = ypos;
1507            type = _type;
1508            flags = _flags;
1509            format = _format;
1510        }
1511
1512        public final void setTitle(CharSequence title) {
1513            if (null == title)
1514                title = "";
1515
1516            mTitle = TextUtils.stringOrSpannedString(title);
1517        }
1518
1519        public final CharSequence getTitle() {
1520            return mTitle;
1521        }
1522
1523        public int describeContents() {
1524            return 0;
1525        }
1526
1527        public void writeToParcel(Parcel out, int parcelableFlags) {
1528            out.writeInt(width);
1529            out.writeInt(height);
1530            out.writeInt(x);
1531            out.writeInt(y);
1532            out.writeInt(type);
1533            out.writeInt(flags);
1534            out.writeInt(privateFlags);
1535            out.writeInt(softInputMode);
1536            out.writeInt(gravity);
1537            out.writeFloat(horizontalMargin);
1538            out.writeFloat(verticalMargin);
1539            out.writeInt(format);
1540            out.writeInt(windowAnimations);
1541            out.writeFloat(alpha);
1542            out.writeFloat(dimAmount);
1543            out.writeFloat(screenBrightness);
1544            out.writeFloat(buttonBrightness);
1545            out.writeInt(rotationAnimation);
1546            out.writeStrongBinder(token);
1547            out.writeString(packageName);
1548            TextUtils.writeToParcel(mTitle, out, parcelableFlags);
1549            out.writeInt(screenOrientation);
1550            out.writeInt(systemUiVisibility);
1551            out.writeInt(subtreeSystemUiVisibility);
1552            out.writeInt(hasSystemUiListeners ? 1 : 0);
1553            out.writeInt(inputFeatures);
1554            out.writeLong(userActivityTimeout);
1555        }
1556
1557        public static final Parcelable.Creator<LayoutParams> CREATOR
1558                    = new Parcelable.Creator<LayoutParams>() {
1559            public LayoutParams createFromParcel(Parcel in) {
1560                return new LayoutParams(in);
1561            }
1562
1563            public LayoutParams[] newArray(int size) {
1564                return new LayoutParams[size];
1565            }
1566        };
1567
1568
1569        public LayoutParams(Parcel in) {
1570            width = in.readInt();
1571            height = in.readInt();
1572            x = in.readInt();
1573            y = in.readInt();
1574            type = in.readInt();
1575            flags = in.readInt();
1576            privateFlags = in.readInt();
1577            softInputMode = in.readInt();
1578            gravity = in.readInt();
1579            horizontalMargin = in.readFloat();
1580            verticalMargin = in.readFloat();
1581            format = in.readInt();
1582            windowAnimations = in.readInt();
1583            alpha = in.readFloat();
1584            dimAmount = in.readFloat();
1585            screenBrightness = in.readFloat();
1586            buttonBrightness = in.readFloat();
1587            rotationAnimation = in.readInt();
1588            token = in.readStrongBinder();
1589            packageName = in.readString();
1590            mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
1591            screenOrientation = in.readInt();
1592            systemUiVisibility = in.readInt();
1593            subtreeSystemUiVisibility = in.readInt();
1594            hasSystemUiListeners = in.readInt() != 0;
1595            inputFeatures = in.readInt();
1596            userActivityTimeout = in.readLong();
1597        }
1598
1599        @SuppressWarnings({"PointlessBitwiseExpression"})
1600        public static final int LAYOUT_CHANGED = 1<<0;
1601        public static final int TYPE_CHANGED = 1<<1;
1602        public static final int FLAGS_CHANGED = 1<<2;
1603        public static final int FORMAT_CHANGED = 1<<3;
1604        public static final int ANIMATION_CHANGED = 1<<4;
1605        public static final int DIM_AMOUNT_CHANGED = 1<<5;
1606        public static final int TITLE_CHANGED = 1<<6;
1607        public static final int ALPHA_CHANGED = 1<<7;
1608        public static final int MEMORY_TYPE_CHANGED = 1<<8;
1609        public static final int SOFT_INPUT_MODE_CHANGED = 1<<9;
1610        public static final int SCREEN_ORIENTATION_CHANGED = 1<<10;
1611        public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11;
1612        public static final int ROTATION_ANIMATION_CHANGED = 1<<12;
1613        /** {@hide} */
1614        public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<13;
1615        /** {@hide} */
1616        public static final int SYSTEM_UI_VISIBILITY_CHANGED = 1<<14;
1617        /** {@hide} */
1618        public static final int SYSTEM_UI_LISTENER_CHANGED = 1<<15;
1619        /** {@hide} */
1620        public static final int INPUT_FEATURES_CHANGED = 1<<16;
1621        /** {@hide} */
1622        public static final int PRIVATE_FLAGS_CHANGED = 1<<17;
1623        /** {@hide} */
1624        public static final int USER_ACTIVITY_TIMEOUT_CHANGED = 1<<18;
1625        /** {@hide} */
1626        public static final int TRANSLUCENT_FLAGS_CHANGED = 1<<19;
1627        /** {@hide} */
1628        public static final int EVERYTHING_CHANGED = 0xffffffff;
1629
1630        // internal buffer to backup/restore parameters under compatibility mode.
1631        private int[] mCompatibilityParamsBackup = null;
1632
1633        public final int copyFrom(LayoutParams o) {
1634            int changes = 0;
1635
1636            if (width != o.width) {
1637                width = o.width;
1638                changes |= LAYOUT_CHANGED;
1639            }
1640            if (height != o.height) {
1641                height = o.height;
1642                changes |= LAYOUT_CHANGED;
1643            }
1644            if (x != o.x) {
1645                x = o.x;
1646                changes |= LAYOUT_CHANGED;
1647            }
1648            if (y != o.y) {
1649                y = o.y;
1650                changes |= LAYOUT_CHANGED;
1651            }
1652            if (horizontalWeight != o.horizontalWeight) {
1653                horizontalWeight = o.horizontalWeight;
1654                changes |= LAYOUT_CHANGED;
1655            }
1656            if (verticalWeight != o.verticalWeight) {
1657                verticalWeight = o.verticalWeight;
1658                changes |= LAYOUT_CHANGED;
1659            }
1660            if (horizontalMargin != o.horizontalMargin) {
1661                horizontalMargin = o.horizontalMargin;
1662                changes |= LAYOUT_CHANGED;
1663            }
1664            if (verticalMargin != o.verticalMargin) {
1665                verticalMargin = o.verticalMargin;
1666                changes |= LAYOUT_CHANGED;
1667            }
1668            if (type != o.type) {
1669                type = o.type;
1670                changes |= TYPE_CHANGED;
1671            }
1672            if (flags != o.flags) {
1673                final int diff = flags ^ o.flags;
1674                if ((diff & (FLAG_TRANSLUCENT_STATUS | FLAG_TRANSLUCENT_NAVIGATION)) != 0) {
1675                    changes |= TRANSLUCENT_FLAGS_CHANGED;
1676                }
1677                flags = o.flags;
1678                changes |= FLAGS_CHANGED;
1679            }
1680            if (privateFlags != o.privateFlags) {
1681                privateFlags = o.privateFlags;
1682                changes |= PRIVATE_FLAGS_CHANGED;
1683            }
1684            if (softInputMode != o.softInputMode) {
1685                softInputMode = o.softInputMode;
1686                changes |= SOFT_INPUT_MODE_CHANGED;
1687            }
1688            if (gravity != o.gravity) {
1689                gravity = o.gravity;
1690                changes |= LAYOUT_CHANGED;
1691            }
1692            if (format != o.format) {
1693                format = o.format;
1694                changes |= FORMAT_CHANGED;
1695            }
1696            if (windowAnimations != o.windowAnimations) {
1697                windowAnimations = o.windowAnimations;
1698                changes |= ANIMATION_CHANGED;
1699            }
1700            if (token == null) {
1701                // NOTE: token only copied if the recipient doesn't
1702                // already have one.
1703                token = o.token;
1704            }
1705            if (packageName == null) {
1706                // NOTE: packageName only copied if the recipient doesn't
1707                // already have one.
1708                packageName = o.packageName;
1709            }
1710            if (!mTitle.equals(o.mTitle)) {
1711                mTitle = o.mTitle;
1712                changes |= TITLE_CHANGED;
1713            }
1714            if (alpha != o.alpha) {
1715                alpha = o.alpha;
1716                changes |= ALPHA_CHANGED;
1717            }
1718            if (dimAmount != o.dimAmount) {
1719                dimAmount = o.dimAmount;
1720                changes |= DIM_AMOUNT_CHANGED;
1721            }
1722            if (screenBrightness != o.screenBrightness) {
1723                screenBrightness = o.screenBrightness;
1724                changes |= SCREEN_BRIGHTNESS_CHANGED;
1725            }
1726            if (buttonBrightness != o.buttonBrightness) {
1727                buttonBrightness = o.buttonBrightness;
1728                changes |= BUTTON_BRIGHTNESS_CHANGED;
1729            }
1730            if (rotationAnimation != o.rotationAnimation) {
1731                rotationAnimation = o.rotationAnimation;
1732                changes |= ROTATION_ANIMATION_CHANGED;
1733            }
1734
1735            if (screenOrientation != o.screenOrientation) {
1736                screenOrientation = o.screenOrientation;
1737                changes |= SCREEN_ORIENTATION_CHANGED;
1738            }
1739
1740            if (systemUiVisibility != o.systemUiVisibility
1741                    || subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) {
1742                systemUiVisibility = o.systemUiVisibility;
1743                subtreeSystemUiVisibility = o.subtreeSystemUiVisibility;
1744                changes |= SYSTEM_UI_VISIBILITY_CHANGED;
1745            }
1746
1747            if (hasSystemUiListeners != o.hasSystemUiListeners) {
1748                hasSystemUiListeners = o.hasSystemUiListeners;
1749                changes |= SYSTEM_UI_LISTENER_CHANGED;
1750            }
1751
1752            if (inputFeatures != o.inputFeatures) {
1753                inputFeatures = o.inputFeatures;
1754                changes |= INPUT_FEATURES_CHANGED;
1755            }
1756
1757            if (userActivityTimeout != o.userActivityTimeout) {
1758                userActivityTimeout = o.userActivityTimeout;
1759                changes |= USER_ACTIVITY_TIMEOUT_CHANGED;
1760            }
1761
1762            return changes;
1763        }
1764
1765        @Override
1766        public String debug(String output) {
1767            output += "Contents of " + this + ":";
1768            Log.d("Debug", output);
1769            output = super.debug("");
1770            Log.d("Debug", output);
1771            Log.d("Debug", "");
1772            Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}");
1773            return "";
1774        }
1775
1776        @Override
1777        public String toString() {
1778            StringBuilder sb = new StringBuilder(256);
1779            sb.append("WM.LayoutParams{");
1780            sb.append("(");
1781            sb.append(x);
1782            sb.append(',');
1783            sb.append(y);
1784            sb.append(")(");
1785            sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width)));
1786            sb.append('x');
1787            sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height)));
1788            sb.append(")");
1789            if (horizontalMargin != 0) {
1790                sb.append(" hm=");
1791                sb.append(horizontalMargin);
1792            }
1793            if (verticalMargin != 0) {
1794                sb.append(" vm=");
1795                sb.append(verticalMargin);
1796            }
1797            if (gravity != 0) {
1798                sb.append(" gr=#");
1799                sb.append(Integer.toHexString(gravity));
1800            }
1801            if (softInputMode != 0) {
1802                sb.append(" sim=#");
1803                sb.append(Integer.toHexString(softInputMode));
1804            }
1805            sb.append(" ty=");
1806            sb.append(type);
1807            sb.append(" fl=#");
1808            sb.append(Integer.toHexString(flags));
1809            if (privateFlags != 0) {
1810                if ((privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0) {
1811                    sb.append(" compatible=true");
1812                }
1813                sb.append(" pfl=0x").append(Integer.toHexString(privateFlags));
1814            }
1815            if (format != PixelFormat.OPAQUE) {
1816                sb.append(" fmt=");
1817                sb.append(format);
1818            }
1819            if (windowAnimations != 0) {
1820                sb.append(" wanim=0x");
1821                sb.append(Integer.toHexString(windowAnimations));
1822            }
1823            if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
1824                sb.append(" or=");
1825                sb.append(screenOrientation);
1826            }
1827            if (alpha != 1.0f) {
1828                sb.append(" alpha=");
1829                sb.append(alpha);
1830            }
1831            if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) {
1832                sb.append(" sbrt=");
1833                sb.append(screenBrightness);
1834            }
1835            if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) {
1836                sb.append(" bbrt=");
1837                sb.append(buttonBrightness);
1838            }
1839            if (rotationAnimation != ROTATION_ANIMATION_ROTATE) {
1840                sb.append(" rotAnim=");
1841                sb.append(rotationAnimation);
1842            }
1843            if (systemUiVisibility != 0) {
1844                sb.append(" sysui=0x");
1845                sb.append(Integer.toHexString(systemUiVisibility));
1846            }
1847            if (subtreeSystemUiVisibility != 0) {
1848                sb.append(" vsysui=0x");
1849                sb.append(Integer.toHexString(subtreeSystemUiVisibility));
1850            }
1851            if (hasSystemUiListeners) {
1852                sb.append(" sysuil=");
1853                sb.append(hasSystemUiListeners);
1854            }
1855            if (inputFeatures != 0) {
1856                sb.append(" if=0x").append(Integer.toHexString(inputFeatures));
1857            }
1858            if (userActivityTimeout >= 0) {
1859                sb.append(" userActivityTimeout=").append(userActivityTimeout);
1860            }
1861            sb.append('}');
1862            return sb.toString();
1863        }
1864
1865        /**
1866         * Scale the layout params' coordinates and size.
1867         * @hide
1868         */
1869        public void scale(float scale) {
1870            x = (int) (x * scale + 0.5f);
1871            y = (int) (y * scale + 0.5f);
1872            if (width > 0) {
1873                width = (int) (width * scale + 0.5f);
1874            }
1875            if (height > 0) {
1876                height = (int) (height * scale + 0.5f);
1877            }
1878        }
1879
1880        /**
1881         * Backup the layout parameters used in compatibility mode.
1882         * @see LayoutParams#restore()
1883         */
1884        void backup() {
1885            int[] backup = mCompatibilityParamsBackup;
1886            if (backup == null) {
1887                // we backup 4 elements, x, y, width, height
1888                backup = mCompatibilityParamsBackup = new int[4];
1889            }
1890            backup[0] = x;
1891            backup[1] = y;
1892            backup[2] = width;
1893            backup[3] = height;
1894        }
1895
1896        /**
1897         * Restore the layout params' coordinates, size and gravity
1898         * @see LayoutParams#backup()
1899         */
1900        void restore() {
1901            int[] backup = mCompatibilityParamsBackup;
1902            if (backup != null) {
1903                x = backup[0];
1904                y = backup[1];
1905                width = backup[2];
1906                height = backup[3];
1907            }
1908        }
1909
1910        private CharSequence mTitle = "";
1911    }
1912}
1913