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      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.Insets;
     23 import android.graphics.PixelFormat;
     24 import android.graphics.Rect;
     25 import android.os.IBinder;
     26 import android.os.Parcel;
     27 import android.os.Parcelable;
     28 import android.text.TextUtils;
     29 import android.util.Log;
     30 
     31 
     32 /**
     33  * The interface that apps use to talk to the window manager.
     34  * <p>
     35  * Use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code> to get one of these.
     36  * </p><p>
     37  * Each window manager instance is bound to a particular {@link Display}.
     38  * To obtain a {@link WindowManager} for a different display, use
     39  * {@link Context#createDisplayContext} to obtain a {@link Context} for that
     40  * display, then use <code>Context.getSystemService(Context.WINDOW_SERVICE)</code>
     41  * to get the WindowManager.
     42  * </p><p>
     43  * The simplest way to show a window on another display is to create a
     44  * {@link Presentation}.  The presentation will automatically obtain a
     45  * {@link WindowManager} and {@link Context} for that display.
     46  * </p>
     47  *
     48  * @see android.content.Context#getSystemService
     49  * @see android.content.Context#WINDOW_SERVICE
     50  */
     51 public interface WindowManager extends ViewManager {
     52     /**
     53      * Exception that is thrown when trying to add view whose
     54      * {@link LayoutParams} {@link LayoutParams#token}
     55      * is invalid.
     56      */
     57     public static class BadTokenException extends RuntimeException {
     58         public BadTokenException() {
     59         }
     60 
     61         public BadTokenException(String name) {
     62             super(name);
     63         }
     64     }
     65 
     66     /**
     67      * Exception that is thrown when calling {@link #addView} to a secondary display that cannot
     68      * be found. See {@link android.app.Presentation} for more information on secondary displays.
     69      */
     70     public static class InvalidDisplayException extends RuntimeException {
     71         public InvalidDisplayException() {
     72         }
     73 
     74         public InvalidDisplayException(String name) {
     75             super(name);
     76         }
     77     }
     78 
     79     /**
     80      * Returns the {@link Display} upon which this {@link WindowManager} instance
     81      * will create new windows.
     82      * <p>
     83      * Despite the name of this method, the display that is returned is not
     84      * necessarily the primary display of the system (see {@link Display#DEFAULT_DISPLAY}).
     85      * The returned display could instead be a secondary display that this
     86      * window manager instance is managing.  Think of it as the display that
     87      * this {@link WindowManager} instance uses by default.
     88      * </p><p>
     89      * To create windows on a different display, you need to obtain a
     90      * {@link WindowManager} for that {@link Display}.  (See the {@link WindowManager}
     91      * class documentation for more information.)
     92      * </p>
     93      *
     94      * @return The display that this window manager is managing.
     95      */
     96     public Display getDefaultDisplay();
     97 
     98     /**
     99      * Special variation of {@link #removeView} that immediately invokes
    100      * the given view hierarchy's {@link View#onDetachedFromWindow()
    101      * View.onDetachedFromWindow()} methods before returning.  This is not
    102      * for normal applications; using it correctly requires great care.
    103      *
    104      * @param view The view to be removed.
    105      */
    106     public void removeViewImmediate(View view);
    107 
    108     public static class LayoutParams extends ViewGroup.LayoutParams
    109             implements Parcelable {
    110         /**
    111          * X position for this window.  With the default gravity it is ignored.
    112          * When using {@link Gravity#LEFT} or {@link Gravity#START} or {@link Gravity#RIGHT} or
    113          * {@link Gravity#END} it provides an offset from the given edge.
    114          */
    115         @ViewDebug.ExportedProperty
    116         public int x;
    117 
    118         /**
    119          * Y position for this window.  With the default gravity it is ignored.
    120          * When using {@link Gravity#TOP} or {@link Gravity#BOTTOM} it provides
    121          * an offset from the given edge.
    122          */
    123         @ViewDebug.ExportedProperty
    124         public int y;
    125 
    126         /**
    127          * Indicates how much of the extra space will be allocated horizontally
    128          * to the view associated with these LayoutParams. Specify 0 if the view
    129          * should not be stretched. Otherwise the extra pixels will be pro-rated
    130          * among all views whose weight is greater than 0.
    131          */
    132         @ViewDebug.ExportedProperty
    133         public float horizontalWeight;
    134 
    135         /**
    136          * Indicates how much of the extra space will be allocated vertically
    137          * to the view associated with these LayoutParams. Specify 0 if the view
    138          * should not be stretched. Otherwise the extra pixels will be pro-rated
    139          * among all views whose weight is greater than 0.
    140          */
    141         @ViewDebug.ExportedProperty
    142         public float verticalWeight;
    143 
    144         /**
    145          * The general type of window.  There are three main classes of
    146          * window types:
    147          * <ul>
    148          * <li> <strong>Application windows</strong> (ranging from
    149          * {@link #FIRST_APPLICATION_WINDOW} to
    150          * {@link #LAST_APPLICATION_WINDOW}) are normal top-level application
    151          * windows.  For these types of windows, the {@link #token} must be
    152          * set to the token of the activity they are a part of (this will
    153          * normally be done for you if {@link #token} is null).
    154          * <li> <strong>Sub-windows</strong> (ranging from
    155          * {@link #FIRST_SUB_WINDOW} to
    156          * {@link #LAST_SUB_WINDOW}) are associated with another top-level
    157          * window.  For these types of windows, the {@link #token} must be
    158          * the token of the window it is attached to.
    159          * <li> <strong>System windows</strong> (ranging from
    160          * {@link #FIRST_SYSTEM_WINDOW} to
    161          * {@link #LAST_SYSTEM_WINDOW}) are special types of windows for
    162          * use by the system for specific purposes.  They should not normally
    163          * be used by applications, and a special permission is required
    164          * to use them.
    165          * </ul>
    166          *
    167          * @see #TYPE_BASE_APPLICATION
    168          * @see #TYPE_APPLICATION
    169          * @see #TYPE_APPLICATION_STARTING
    170          * @see #TYPE_APPLICATION_PANEL
    171          * @see #TYPE_APPLICATION_MEDIA
    172          * @see #TYPE_APPLICATION_SUB_PANEL
    173          * @see #TYPE_APPLICATION_ATTACHED_DIALOG
    174          * @see #TYPE_STATUS_BAR
    175          * @see #TYPE_SEARCH_BAR
    176          * @see #TYPE_PHONE
    177          * @see #TYPE_SYSTEM_ALERT
    178          * @see #TYPE_TOAST
    179          * @see #TYPE_SYSTEM_OVERLAY
    180          * @see #TYPE_PRIORITY_PHONE
    181          * @see #TYPE_STATUS_BAR_PANEL
    182          * @see #TYPE_SYSTEM_DIALOG
    183          * @see #TYPE_KEYGUARD_DIALOG
    184          * @see #TYPE_SYSTEM_ERROR
    185          * @see #TYPE_INPUT_METHOD
    186          * @see #TYPE_INPUT_METHOD_DIALOG
    187          */
    188         @ViewDebug.ExportedProperty(mapping = {
    189             @ViewDebug.IntToString(from = TYPE_BASE_APPLICATION, to = "TYPE_BASE_APPLICATION"),
    190             @ViewDebug.IntToString(from = TYPE_APPLICATION, to = "TYPE_APPLICATION"),
    191             @ViewDebug.IntToString(from = TYPE_APPLICATION_STARTING, to = "TYPE_APPLICATION_STARTING"),
    192             @ViewDebug.IntToString(from = TYPE_APPLICATION_PANEL, to = "TYPE_APPLICATION_PANEL"),
    193             @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA, to = "TYPE_APPLICATION_MEDIA"),
    194             @ViewDebug.IntToString(from = TYPE_APPLICATION_SUB_PANEL, to = "TYPE_APPLICATION_SUB_PANEL"),
    195             @ViewDebug.IntToString(from = TYPE_APPLICATION_ATTACHED_DIALOG, to = "TYPE_APPLICATION_ATTACHED_DIALOG"),
    196             @ViewDebug.IntToString(from = TYPE_APPLICATION_MEDIA_OVERLAY, to = "TYPE_APPLICATION_MEDIA_OVERLAY"),
    197             @ViewDebug.IntToString(from = TYPE_STATUS_BAR, to = "TYPE_STATUS_BAR"),
    198             @ViewDebug.IntToString(from = TYPE_SEARCH_BAR, to = "TYPE_SEARCH_BAR"),
    199             @ViewDebug.IntToString(from = TYPE_PHONE, to = "TYPE_PHONE"),
    200             @ViewDebug.IntToString(from = TYPE_SYSTEM_ALERT, to = "TYPE_SYSTEM_ALERT"),
    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             @ViewDebug.IntToString(from = TYPE_VOICE_INTERACTION, to = "TYPE_VOICE_INTERACTION"),
    225         })
    226         public int type;
    227 
    228         /**
    229          * Start of window types that represent normal application windows.
    230          */
    231         public static final int FIRST_APPLICATION_WINDOW = 1;
    232 
    233         /**
    234          * Window type: an application window that serves as the "base" window
    235          * of the overall application; all other application windows will
    236          * appear on top of it.
    237          * In multiuser systems shows only on the owning user's window.
    238          */
    239         public static final int TYPE_BASE_APPLICATION   = 1;
    240 
    241         /**
    242          * Window type: a normal application window.  The {@link #token} must be
    243          * an Activity token identifying who the window belongs to.
    244          * In multiuser systems shows only on the owning user's window.
    245          */
    246         public static final int TYPE_APPLICATION        = 2;
    247 
    248         /**
    249          * Window type: special application window that is displayed while the
    250          * application is starting.  Not for use by applications themselves;
    251          * this is used by the system to display something until the
    252          * application can show its own windows.
    253          * In multiuser systems shows on all users' windows.
    254          */
    255         public static final int TYPE_APPLICATION_STARTING = 3;
    256 
    257         /**
    258          * End of types of application windows.
    259          */
    260         public static final int LAST_APPLICATION_WINDOW = 99;
    261 
    262         /**
    263          * Start of types of sub-windows.  The {@link #token} of these windows
    264          * must be set to the window they are attached to.  These types of
    265          * windows are kept next to their attached window in Z-order, and their
    266          * coordinate space is relative to their attached window.
    267          */
    268         public static final int FIRST_SUB_WINDOW        = 1000;
    269 
    270         /**
    271          * Window type: a panel on top of an application window.  These windows
    272          * appear on top of their attached window.
    273          */
    274         public static final int TYPE_APPLICATION_PANEL  = FIRST_SUB_WINDOW;
    275 
    276         /**
    277          * Window type: window for showing media (such as video).  These windows
    278          * are displayed behind their attached window.
    279          */
    280         public static final int TYPE_APPLICATION_MEDIA  = FIRST_SUB_WINDOW+1;
    281 
    282         /**
    283          * Window type: a sub-panel on top of an application window.  These
    284          * windows are displayed on top their attached window and any
    285          * {@link #TYPE_APPLICATION_PANEL} panels.
    286          */
    287         public static final int TYPE_APPLICATION_SUB_PANEL = FIRST_SUB_WINDOW+2;
    288 
    289         /** Window type: like {@link #TYPE_APPLICATION_PANEL}, but layout
    290          * of the window happens as that of a top-level window, <em>not</em>
    291          * as a child of its container.
    292          */
    293         public static final int TYPE_APPLICATION_ATTACHED_DIALOG = FIRST_SUB_WINDOW+3;
    294 
    295         /**
    296          * Window type: window for showing overlays on top of media windows.
    297          * These windows are displayed between TYPE_APPLICATION_MEDIA and the
    298          * application window.  They should be translucent to be useful.  This
    299          * is a big ugly hack so:
    300          * @hide
    301          */
    302         public static final int TYPE_APPLICATION_MEDIA_OVERLAY  = FIRST_SUB_WINDOW+4;
    303 
    304         /**
    305          * End of types of sub-windows.
    306          */
    307         public static final int LAST_SUB_WINDOW         = 1999;
    308 
    309         /**
    310          * Start of system-specific window types.  These are not normally
    311          * created by applications.
    312          */
    313         public static final int FIRST_SYSTEM_WINDOW     = 2000;
    314 
    315         /**
    316          * Window type: the status bar.  There can be only one status bar
    317          * window; it is placed at the top of the screen, and all other
    318          * windows are shifted down so they are below it.
    319          * In multiuser systems shows on all users' windows.
    320          */
    321         public static final int TYPE_STATUS_BAR         = FIRST_SYSTEM_WINDOW;
    322 
    323         /**
    324          * Window type: the search bar.  There can be only one search bar
    325          * window; it is placed at the top of the screen.
    326          * In multiuser systems shows on all users' windows.
    327          */
    328         public static final int TYPE_SEARCH_BAR         = FIRST_SYSTEM_WINDOW+1;
    329 
    330         /**
    331          * Window type: phone.  These are non-application windows providing
    332          * user interaction with the phone (in particular incoming calls).
    333          * These windows are normally placed above all applications, but behind
    334          * the status bar.
    335          * In multiuser systems shows on all users' windows.
    336          */
    337         public static final int TYPE_PHONE              = FIRST_SYSTEM_WINDOW+2;
    338 
    339         /**
    340          * Window type: system window, such as low power alert. These windows
    341          * are always on top of application windows.
    342          * In multiuser systems shows only on the owning user's window.
    343          */
    344         public static final int TYPE_SYSTEM_ALERT       = FIRST_SYSTEM_WINDOW+3;
    345 
    346         /**
    347          * Window type: keyguard window.
    348          * In multiuser systems shows on all users' windows.
    349          * @removed
    350          */
    351         public static final int TYPE_KEYGUARD           = FIRST_SYSTEM_WINDOW+4;
    352 
    353         /**
    354          * Window type: transient notifications.
    355          * In multiuser systems shows only on the owning user's window.
    356          */
    357         public static final int TYPE_TOAST              = FIRST_SYSTEM_WINDOW+5;
    358 
    359         /**
    360          * Window type: system overlay windows, which need to be displayed
    361          * on top of everything else.  These windows must not take input
    362          * focus, or they will interfere with the keyguard.
    363          * In multiuser systems shows only on the owning user's window.
    364          */
    365         public static final int TYPE_SYSTEM_OVERLAY     = FIRST_SYSTEM_WINDOW+6;
    366 
    367         /**
    368          * Window type: priority phone UI, which needs to be displayed even if
    369          * the keyguard is active.  These windows must not take input
    370          * focus, or they will interfere with the keyguard.
    371          * In multiuser systems shows on all users' windows.
    372          */
    373         public static final int TYPE_PRIORITY_PHONE     = FIRST_SYSTEM_WINDOW+7;
    374 
    375         /**
    376          * Window type: panel that slides out from the status bar
    377          * In multiuser systems shows on all users' windows.
    378          */
    379         public static final int TYPE_SYSTEM_DIALOG      = FIRST_SYSTEM_WINDOW+8;
    380 
    381         /**
    382          * Window type: dialogs that the keyguard shows
    383          * In multiuser systems shows on all users' windows.
    384          */
    385         public static final int TYPE_KEYGUARD_DIALOG    = FIRST_SYSTEM_WINDOW+9;
    386 
    387         /**
    388          * Window type: internal system error windows, appear on top of
    389          * everything they can.
    390          * In multiuser systems shows only on the owning user's window.
    391          */
    392         public static final int TYPE_SYSTEM_ERROR       = FIRST_SYSTEM_WINDOW+10;
    393 
    394         /**
    395          * Window type: internal input methods windows, which appear above
    396          * the normal UI.  Application windows may be resized or panned to keep
    397          * the input focus visible while this window is displayed.
    398          * In multiuser systems shows only on the owning user's window.
    399          */
    400         public static final int TYPE_INPUT_METHOD       = FIRST_SYSTEM_WINDOW+11;
    401 
    402         /**
    403          * Window type: internal input methods dialog windows, which appear above
    404          * the current input method window.
    405          * In multiuser systems shows only on the owning user's window.
    406          */
    407         public static final int TYPE_INPUT_METHOD_DIALOG= FIRST_SYSTEM_WINDOW+12;
    408 
    409         /**
    410          * Window type: wallpaper window, placed behind any window that wants
    411          * to sit on top of the wallpaper.
    412          * In multiuser systems shows only on the owning user's window.
    413          */
    414         public static final int TYPE_WALLPAPER          = FIRST_SYSTEM_WINDOW+13;
    415 
    416         /**
    417          * Window type: panel that slides out from over the status bar
    418          * In multiuser systems shows on all users' windows.
    419          */
    420         public static final int TYPE_STATUS_BAR_PANEL   = FIRST_SYSTEM_WINDOW+14;
    421 
    422         /**
    423          * Window type: secure system overlay windows, which need to be displayed
    424          * on top of everything else.  These windows must not take input
    425          * focus, or they will interfere with the keyguard.
    426          *
    427          * This is exactly like {@link #TYPE_SYSTEM_OVERLAY} except that only the
    428          * system itself is allowed to create these overlays.  Applications cannot
    429          * obtain permission to create secure system overlays.
    430          *
    431          * In multiuser systems shows only on the owning user's window.
    432          * @hide
    433          */
    434         public static final int TYPE_SECURE_SYSTEM_OVERLAY = FIRST_SYSTEM_WINDOW+15;
    435 
    436         /**
    437          * Window type: the drag-and-drop pseudowindow.  There is only one
    438          * drag layer (at most), and it is placed on top of all other windows.
    439          * In multiuser systems shows only on the owning user's window.
    440          * @hide
    441          */
    442         public static final int TYPE_DRAG               = FIRST_SYSTEM_WINDOW+16;
    443 
    444         /**
    445          * Window type: panel that slides out from under the status bar
    446          * In multiuser systems shows on all users' windows.
    447          * @hide
    448          */
    449         public static final int TYPE_STATUS_BAR_SUB_PANEL = FIRST_SYSTEM_WINDOW+17;
    450 
    451         /**
    452          * Window type: (mouse) pointer
    453          * In multiuser systems shows on all users' windows.
    454          * @hide
    455          */
    456         public static final int TYPE_POINTER = FIRST_SYSTEM_WINDOW+18;
    457 
    458         /**
    459          * Window type: Navigation bar (when distinct from status bar)
    460          * In multiuser systems shows on all users' windows.
    461          * @hide
    462          */
    463         public static final int TYPE_NAVIGATION_BAR = FIRST_SYSTEM_WINDOW+19;
    464 
    465         /**
    466          * Window type: The volume level overlay/dialog shown when the user
    467          * changes the system volume.
    468          * In multiuser systems shows on all users' windows.
    469          * @hide
    470          */
    471         public static final int TYPE_VOLUME_OVERLAY = FIRST_SYSTEM_WINDOW+20;
    472 
    473         /**
    474          * Window type: The boot progress dialog, goes on top of everything
    475          * in the world.
    476          * In multiuser systems shows on all users' windows.
    477          * @hide
    478          */
    479         public static final int TYPE_BOOT_PROGRESS = FIRST_SYSTEM_WINDOW+21;
    480 
    481         /**
    482          * Window type: Fake window to consume touch events when the navigation
    483          * bar is hidden.
    484          * In multiuser systems shows on all users' windows.
    485          * @hide
    486          */
    487         public static final int TYPE_HIDDEN_NAV_CONSUMER = FIRST_SYSTEM_WINDOW+22;
    488 
    489         /**
    490          * Window type: Dreams (screen saver) window, just above keyguard.
    491          * In multiuser systems shows only on the owning user's window.
    492          * @hide
    493          */
    494         public static final int TYPE_DREAM = FIRST_SYSTEM_WINDOW+23;
    495 
    496         /**
    497          * Window type: Navigation bar panel (when navigation bar is distinct from status bar)
    498          * In multiuser systems shows on all users' windows.
    499          * @hide
    500          */
    501         public static final int TYPE_NAVIGATION_BAR_PANEL = FIRST_SYSTEM_WINDOW+24;
    502 
    503         /**
    504          * Window type: Behind the universe of the real windows.
    505          * In multiuser systems shows on all users' windows.
    506          * @hide
    507          */
    508         public static final int TYPE_UNIVERSE_BACKGROUND = FIRST_SYSTEM_WINDOW+25;
    509 
    510         /**
    511          * Window type: Display overlay window.  Used to simulate secondary display devices.
    512          * In multiuser systems shows on all users' windows.
    513          * @hide
    514          */
    515         public static final int TYPE_DISPLAY_OVERLAY = FIRST_SYSTEM_WINDOW+26;
    516 
    517         /**
    518          * Window type: Magnification overlay window. Used to highlight the magnified
    519          * portion of a display when accessibility magnification is enabled.
    520          * In multiuser systems shows on all users' windows.
    521          * @hide
    522          */
    523         public static final int TYPE_MAGNIFICATION_OVERLAY = FIRST_SYSTEM_WINDOW+27;
    524 
    525         /**
    526          * Window type: Recents. Same layer as {@link #TYPE_SYSTEM_DIALOG} but only appears on
    527          * one user's screen.
    528          * In multiuser systems shows on all users' windows.
    529          * @hide
    530          */
    531         public static final int TYPE_RECENTS_OVERLAY = FIRST_SYSTEM_WINDOW+28;
    532 
    533 
    534         /**
    535          * Window type: keyguard scrim window. Shows if keyguard needs to be restarted.
    536          * In multiuser systems shows on all users' windows.
    537          * @hide
    538          */
    539         public static final int TYPE_KEYGUARD_SCRIM           = FIRST_SYSTEM_WINDOW+29;
    540 
    541         /**
    542          * Window type: Window for Presentation on top of private
    543          * virtual display.
    544          */
    545         public static final int TYPE_PRIVATE_PRESENTATION = FIRST_SYSTEM_WINDOW+30;
    546 
    547         /**
    548          * Window type: Windows in the voice interaction layer.
    549          * @hide
    550          */
    551         public static final int TYPE_VOICE_INTERACTION = FIRST_SYSTEM_WINDOW+31;
    552 
    553         /**
    554          * End of types of system windows.
    555          */
    556         public static final int LAST_SYSTEM_WINDOW      = 2999;
    557 
    558         /** @deprecated this is ignored, this value is set automatically when needed. */
    559         @Deprecated
    560         public static final int MEMORY_TYPE_NORMAL = 0;
    561         /** @deprecated this is ignored, this value is set automatically when needed. */
    562         @Deprecated
    563         public static final int MEMORY_TYPE_HARDWARE = 1;
    564         /** @deprecated this is ignored, this value is set automatically when needed. */
    565         @Deprecated
    566         public static final int MEMORY_TYPE_GPU = 2;
    567         /** @deprecated this is ignored, this value is set automatically when needed. */
    568         @Deprecated
    569         public static final int MEMORY_TYPE_PUSH_BUFFERS = 3;
    570 
    571         /**
    572          * @deprecated this is ignored
    573          */
    574         @Deprecated
    575         public int memoryType;
    576 
    577         /** Window flag: as long as this window is visible to the user, allow
    578          *  the lock screen to activate while the screen is on.
    579          *  This can be used independently, or in combination with
    580          *  {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */
    581         public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON     = 0x00000001;
    582 
    583         /** Window flag: everything behind this window will be dimmed.
    584          *  Use {@link #dimAmount} to control the amount of dim. */
    585         public static final int FLAG_DIM_BEHIND        = 0x00000002;
    586 
    587         /** Window flag: blur everything behind this window.
    588          * @deprecated Blurring is no longer supported. */
    589         @Deprecated
    590         public static final int FLAG_BLUR_BEHIND        = 0x00000004;
    591 
    592         /** Window flag: this window won't ever get key input focus, so the
    593          * user can not send key or other button events to it.  Those will
    594          * instead go to whatever focusable window is behind it.  This flag
    595          * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that
    596          * is explicitly set.
    597          *
    598          * <p>Setting this flag also implies that the window will not need to
    599          * interact with
    600          * a soft input method, so it will be Z-ordered and positioned
    601          * independently of any active input method (typically this means it
    602          * gets Z-ordered on top of the input method, so it can use the full
    603          * screen for its content and cover the input method if needed.  You
    604          * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */
    605         public static final int FLAG_NOT_FOCUSABLE      = 0x00000008;
    606 
    607         /** Window flag: this window can never receive touch events. */
    608         public static final int FLAG_NOT_TOUCHABLE      = 0x00000010;
    609 
    610         /** Window flag: even when this window is focusable (its
    611          * {@link #FLAG_NOT_FOCUSABLE} is not set), allow any pointer events
    612          * outside of the window to be sent to the windows behind it.  Otherwise
    613          * it will consume all pointer events itself, regardless of whether they
    614          * are inside of the window. */
    615         public static final int FLAG_NOT_TOUCH_MODAL    = 0x00000020;
    616 
    617         /** Window flag: when set, if the device is asleep when the touch
    618          * screen is pressed, you will receive this first touch event.  Usually
    619          * the first touch event is consumed by the system since the user can
    620          * not see what they are pressing on.
    621          *
    622          * @deprecated This flag has no effect.
    623          */
    624         @Deprecated
    625         public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040;
    626 
    627         /** Window flag: as long as this window is visible to the user, keep
    628          *  the device's screen turned on and bright. */
    629         public static final int FLAG_KEEP_SCREEN_ON     = 0x00000080;
    630 
    631         /** Window flag: place the window within the entire screen, ignoring
    632          *  decorations around the border (such as the status bar).  The
    633          *  window must correctly position its contents to take the screen
    634          *  decoration into account.  This flag is normally set for you
    635          *  by Window as described in {@link Window#setFlags}. */
    636         public static final int FLAG_LAYOUT_IN_SCREEN   = 0x00000100;
    637 
    638         /** Window flag: allow window to extend outside of the screen. */
    639         public static final int FLAG_LAYOUT_NO_LIMITS   = 0x00000200;
    640 
    641         /**
    642          * Window flag: hide all screen decorations (such as the status bar) while
    643          * this window is displayed.  This allows the window to use the entire
    644          * display space for itself -- the status bar will be hidden when
    645          * an app window with this flag set is on the top layer. A fullscreen window
    646          * will ignore a value of {@link #SOFT_INPUT_ADJUST_RESIZE} for the window's
    647          * {@link #softInputMode} field; the window will stay fullscreen
    648          * and will not resize.
    649          *
    650          * <p>This flag can be controlled in your theme through the
    651          * {@link android.R.attr#windowFullscreen} attribute; this attribute
    652          * is automatically set for you in the standard fullscreen themes
    653          * such as {@link android.R.style#Theme_NoTitleBar_Fullscreen},
    654          * {@link android.R.style#Theme_Black_NoTitleBar_Fullscreen},
    655          * {@link android.R.style#Theme_Light_NoTitleBar_Fullscreen},
    656          * {@link android.R.style#Theme_Holo_NoActionBar_Fullscreen},
    657          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Fullscreen},
    658          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Fullscreen}, and
    659          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Fullscreen}.</p>
    660          */
    661         public static final int FLAG_FULLSCREEN      = 0x00000400;
    662 
    663         /** Window flag: override {@link #FLAG_FULLSCREEN} and force the
    664          *  screen decorations (such as the status bar) to be shown. */
    665         public static final int FLAG_FORCE_NOT_FULLSCREEN   = 0x00000800;
    666 
    667         /** Window flag: turn on dithering when compositing this window to
    668          *  the screen.
    669          * @deprecated This flag is no longer used. */
    670         @Deprecated
    671         public static final int FLAG_DITHER             = 0x00001000;
    672 
    673         /** Window flag: treat the content of the window as secure, preventing
    674          * it from appearing in screenshots or from being viewed on non-secure
    675          * displays.
    676          *
    677          * <p>See {@link android.view.Display#FLAG_SECURE} for more details about
    678          * secure surfaces and secure displays.
    679          */
    680         public static final int FLAG_SECURE             = 0x00002000;
    681 
    682         /** Window flag: a special mode where the layout parameters are used
    683          * to perform scaling of the surface when it is composited to the
    684          * screen. */
    685         public static final int FLAG_SCALED             = 0x00004000;
    686 
    687         /** Window flag: intended for windows that will often be used when the user is
    688          * holding the screen against their face, it will aggressively filter the event
    689          * stream to prevent unintended presses in this situation that may not be
    690          * desired for a particular window, when such an event stream is detected, the
    691          * application will receive a CANCEL motion event to indicate this so applications
    692          * can handle this accordingly by taking no action on the event
    693          * until the finger is released. */
    694         public static final int FLAG_IGNORE_CHEEK_PRESSES    = 0x00008000;
    695 
    696         /** Window flag: a special option only for use in combination with
    697          * {@link #FLAG_LAYOUT_IN_SCREEN}.  When requesting layout in the
    698          * screen your window may appear on top of or behind screen decorations
    699          * such as the status bar.  By also including this flag, the window
    700          * manager will report the inset rectangle needed to ensure your
    701          * content is not covered by screen decorations.  This flag is normally
    702          * set for you by Window as described in {@link Window#setFlags}.*/
    703         public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000;
    704 
    705         /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with
    706          * respect to how this window interacts with the current method.  That
    707          * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the
    708          * window will behave as if it needs to interact with the input method
    709          * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is
    710          * not set and this flag is set, then the window will behave as if it
    711          * doesn't need to interact with the input method and can be placed
    712          * to use more space and cover the input method.
    713          */
    714         public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000;
    715 
    716         /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you
    717          * can set this flag to receive a single special MotionEvent with
    718          * the action
    719          * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for
    720          * touches that occur outside of your window.  Note that you will not
    721          * receive the full down/move/up gesture, only the location of the
    722          * first down as an ACTION_OUTSIDE.
    723          */
    724         public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000;
    725 
    726         /** Window flag: special flag to let windows be shown when the screen
    727          * is locked. This will let application windows take precedence over
    728          * key guard or any other lock screens. Can be used with
    729          * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows
    730          * directly before showing the key guard window.  Can be used with
    731          * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss
    732          * non-secure keyguards.  This flag only applies to the top-most
    733          * full-screen window.
    734          */
    735         public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000;
    736 
    737         /** Window flag: ask that the system wallpaper be shown behind
    738          * your window.  The window surface must be translucent to be able
    739          * to actually see the wallpaper behind it; this flag just ensures
    740          * that the wallpaper surface will be there if this window actually
    741          * has translucent regions.
    742          *
    743          * <p>This flag can be controlled in your theme through the
    744          * {@link android.R.attr#windowShowWallpaper} attribute; this attribute
    745          * is automatically set for you in the standard wallpaper themes
    746          * such as {@link android.R.style#Theme_Wallpaper},
    747          * {@link android.R.style#Theme_Wallpaper_NoTitleBar},
    748          * {@link android.R.style#Theme_Wallpaper_NoTitleBar_Fullscreen},
    749          * {@link android.R.style#Theme_Holo_Wallpaper},
    750          * {@link android.R.style#Theme_Holo_Wallpaper_NoTitleBar},
    751          * {@link android.R.style#Theme_DeviceDefault_Wallpaper}, and
    752          * {@link android.R.style#Theme_DeviceDefault_Wallpaper_NoTitleBar}.</p>
    753          */
    754         public static final int FLAG_SHOW_WALLPAPER = 0x00100000;
    755 
    756         /** Window flag: when set as a window is being added or made
    757          * visible, once the window has been shown then the system will
    758          * poke the power manager's user activity (as if the user had woken
    759          * up the device) to turn the screen on. */
    760         public static final int FLAG_TURN_SCREEN_ON = 0x00200000;
    761 
    762         /** Window flag: when set the window will cause the keyguard to
    763          * be dismissed, only if it is not a secure lock keyguard.  Because such
    764          * a keyguard is not needed for security, it will never re-appear if
    765          * the user navigates to another window (in contrast to
    766          * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily
    767          * hide both secure and non-secure keyguards but ensure they reappear
    768          * when the user moves to another UI that doesn't hide them).
    769          * If the keyguard is currently active and is secure (requires an
    770          * unlock pattern) than the user will still need to confirm it before
    771          * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has
    772          * also been set.
    773          */
    774         public static final int FLAG_DISMISS_KEYGUARD = 0x00400000;
    775 
    776         /** Window flag: when set the window will accept for touch events
    777          * outside of its bounds to be sent to other windows that also
    778          * support split touch.  When this flag is not set, the first pointer
    779          * that goes down determines the window to which all subsequent touches
    780          * go until all pointers go up.  When this flag is set, each pointer
    781          * (not necessarily the first) that goes down determines the window
    782          * to which all subsequent touches of that pointer will go until that
    783          * pointer goes up thereby enabling touches with multiple pointers
    784          * to be split across multiple windows.
    785          */
    786         public static final int FLAG_SPLIT_TOUCH = 0x00800000;
    787 
    788         /**
    789          * <p>Indicates whether this window should be hardware accelerated.
    790          * Requesting hardware acceleration does not guarantee it will happen.</p>
    791          *
    792          * <p>This flag can be controlled programmatically <em>only</em> to enable
    793          * hardware acceleration. To enable hardware acceleration for a given
    794          * window programmatically, do the following:</p>
    795          *
    796          * <pre>
    797          * Window w = activity.getWindow(); // in Activity's onCreate() for instance
    798          * w.setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    799          *         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
    800          * </pre>
    801          *
    802          * <p>It is important to remember that this flag <strong>must</strong>
    803          * be set before setting the content view of your activity or dialog.</p>
    804          *
    805          * <p>This flag cannot be used to disable hardware acceleration after it
    806          * was enabled in your manifest using
    807          * {@link android.R.attr#hardwareAccelerated}. If you need to selectively
    808          * and programmatically disable hardware acceleration (for automated testing
    809          * for instance), make sure it is turned off in your manifest and enable it
    810          * on your activity or dialog when you need it instead, using the method
    811          * described above.</p>
    812          *
    813          * <p>This flag is automatically set by the system if the
    814          * {@link android.R.attr#hardwareAccelerated android:hardwareAccelerated}
    815          * XML attribute is set to true on an activity or on the application.</p>
    816          */
    817         public static final int FLAG_HARDWARE_ACCELERATED = 0x01000000;
    818 
    819         /**
    820          * Window flag: allow window contents to extend in to the screen's
    821          * overscan area, if there is one.  The window should still correctly
    822          * position its contents to take the overscan area into account.
    823          *
    824          * <p>This flag can be controlled in your theme through the
    825          * {@link android.R.attr#windowOverscan} attribute; this attribute
    826          * is automatically set for you in the standard overscan themes
    827          * such as
    828          * {@link android.R.style#Theme_Holo_NoActionBar_Overscan},
    829          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Overscan},
    830          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Overscan}, and
    831          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Overscan}.</p>
    832          *
    833          * <p>When this flag is enabled for a window, its normal content may be obscured
    834          * to some degree by the overscan region of the display.  To ensure key parts of
    835          * that content are visible to the user, you can use
    836          * {@link View#setFitsSystemWindows(boolean) View.setFitsSystemWindows(boolean)}
    837          * to set the point in the view hierarchy where the appropriate offsets should
    838          * be applied.  (This can be done either by directly calling this function, using
    839          * the {@link android.R.attr#fitsSystemWindows} attribute in your view hierarchy,
    840          * or implementing you own {@link View#fitSystemWindows(android.graphics.Rect)
    841          * View.fitSystemWindows(Rect)} method).</p>
    842          *
    843          * <p>This mechanism for positioning content elements is identical to its equivalent
    844          * use with layout and {@link View#setSystemUiVisibility(int)
    845          * View.setSystemUiVisibility(int)}; here is an example layout that will correctly
    846          * position its UI elements with this overscan flag is set:</p>
    847          *
    848          * {@sample development/samples/ApiDemos/res/layout/overscan_activity.xml complete}
    849          */
    850         public static final int FLAG_LAYOUT_IN_OVERSCAN = 0x02000000;
    851 
    852         /**
    853          * Window flag: request a translucent status bar with minimal system-provided
    854          * background protection.
    855          *
    856          * <p>This flag can be controlled in your theme through the
    857          * {@link android.R.attr#windowTranslucentStatus} attribute; this attribute
    858          * is automatically set for you in the standard translucent decor themes
    859          * such as
    860          * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
    861          * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
    862          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
    863          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
    864          *
    865          * <p>When this flag is enabled for a window, it automatically sets
    866          * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
    867          * {@link View#SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}.</p>
    868          */
    869         public static final int FLAG_TRANSLUCENT_STATUS = 0x04000000;
    870 
    871         /**
    872          * Window flag: request a translucent navigation bar with minimal system-provided
    873          * background protection.
    874          *
    875          * <p>This flag can be controlled in your theme through the
    876          * {@link android.R.attr#windowTranslucentNavigation} attribute; this attribute
    877          * is automatically set for you in the standard translucent decor themes
    878          * such as
    879          * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
    880          * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
    881          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
    882          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
    883          *
    884          * <p>When this flag is enabled for a window, it automatically sets
    885          * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
    886          * {@link View#SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION}.</p>
    887          */
    888         public static final int FLAG_TRANSLUCENT_NAVIGATION = 0x08000000;
    889 
    890         // ----- HIDDEN FLAGS.
    891         // These start at the high bit and go down.
    892 
    893         /**
    894          * Flag for a window in local focus mode.
    895          * Window in local focus mode can control focus independent of window manager using
    896          * {@link Window#setLocalFocus(boolean, boolean)}.
    897          * Usually window in this mode will not get touch/key events from window manager, but will
    898          * get events only via local injection using {@link Window#injectInputEvent(InputEvent)}.
    899          */
    900         public static final int FLAG_LOCAL_FOCUS_MODE = 0x10000000;
    901 
    902         /** Window flag: Enable touches to slide out of a window into neighboring
    903          * windows in mid-gesture instead of being captured for the duration of
    904          * the gesture.
    905          *
    906          * This flag changes the behavior of touch focus for this window only.
    907          * Touches can slide out of the window but they cannot necessarily slide
    908          * back in (unless the other window with touch focus permits it).
    909          *
    910          * {@hide}
    911          */
    912         public static final int FLAG_SLIPPERY = 0x20000000;
    913 
    914         /**
    915          * Flag for a window belonging to an activity that responds to {@link KeyEvent#KEYCODE_MENU}
    916          * and therefore needs a Menu key. For devices where Menu is a physical button this flag is
    917          * ignored, but on devices where the Menu key is drawn in software it may be hidden unless
    918          * this flag is set.
    919          *
    920          * (Note that Action Bars, when available, are the preferred way to offer additional
    921          * functions otherwise accessed via an options menu.)
    922          *
    923          * {@hide}
    924          */
    925         public static final int FLAG_NEEDS_MENU_KEY = 0x40000000;
    926 
    927         /**
    928          * Flag indicating that this Window is responsible for drawing the background for the
    929          * system bars. If set, the system bars are drawn with a transparent background and the
    930          * corresponding areas in this window are filled with the colors specified in
    931          * {@link Window#getStatusBarColor()} and {@link Window#getNavigationBarColor()}.
    932          */
    933         public static final int FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS = 0x80000000;
    934 
    935         /**
    936          * Various behavioral options/flags.  Default is none.
    937          *
    938          * @see #FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
    939          * @see #FLAG_DIM_BEHIND
    940          * @see #FLAG_NOT_FOCUSABLE
    941          * @see #FLAG_NOT_TOUCHABLE
    942          * @see #FLAG_NOT_TOUCH_MODAL
    943          * @see #FLAG_TOUCHABLE_WHEN_WAKING
    944          * @see #FLAG_KEEP_SCREEN_ON
    945          * @see #FLAG_LAYOUT_IN_SCREEN
    946          * @see #FLAG_LAYOUT_NO_LIMITS
    947          * @see #FLAG_FULLSCREEN
    948          * @see #FLAG_FORCE_NOT_FULLSCREEN
    949          * @see #FLAG_SECURE
    950          * @see #FLAG_SCALED
    951          * @see #FLAG_IGNORE_CHEEK_PRESSES
    952          * @see #FLAG_LAYOUT_INSET_DECOR
    953          * @see #FLAG_ALT_FOCUSABLE_IM
    954          * @see #FLAG_WATCH_OUTSIDE_TOUCH
    955          * @see #FLAG_SHOW_WHEN_LOCKED
    956          * @see #FLAG_SHOW_WALLPAPER
    957          * @see #FLAG_TURN_SCREEN_ON
    958          * @see #FLAG_DISMISS_KEYGUARD
    959          * @see #FLAG_SPLIT_TOUCH
    960          * @see #FLAG_HARDWARE_ACCELERATED
    961          * @see #FLAG_LOCAL_FOCUS_MODE
    962          * @see #FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS
    963          */
    964         @ViewDebug.ExportedProperty(flagMapping = {
    965             @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON,
    966                     name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"),
    967             @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND,
    968                     name = "FLAG_DIM_BEHIND"),
    969             @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND,
    970                     name = "FLAG_BLUR_BEHIND"),
    971             @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE,
    972                     name = "FLAG_NOT_FOCUSABLE"),
    973             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE,
    974                     name = "FLAG_NOT_TOUCHABLE"),
    975             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL,
    976                     name = "FLAG_NOT_TOUCH_MODAL"),
    977             @ViewDebug.FlagToString(mask = FLAG_TOUCHABLE_WHEN_WAKING, equals = FLAG_TOUCHABLE_WHEN_WAKING,
    978                     name = "FLAG_TOUCHABLE_WHEN_WAKING"),
    979             @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON,
    980                     name = "FLAG_KEEP_SCREEN_ON"),
    981             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN,
    982                     name = "FLAG_LAYOUT_IN_SCREEN"),
    983             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_NO_LIMITS, equals = FLAG_LAYOUT_NO_LIMITS,
    984                     name = "FLAG_LAYOUT_NO_LIMITS"),
    985             @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN,
    986                     name = "FLAG_FULLSCREEN"),
    987             @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, equals = FLAG_FORCE_NOT_FULLSCREEN,
    988                     name = "FLAG_FORCE_NOT_FULLSCREEN"),
    989             @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER,
    990                     name = "FLAG_DITHER"),
    991             @ViewDebug.FlagToString(mask = FLAG_SECURE, equals = FLAG_SECURE,
    992                     name = "FLAG_SECURE"),
    993             @ViewDebug.FlagToString(mask = FLAG_SCALED, equals = FLAG_SCALED,
    994                     name = "FLAG_SCALED"),
    995             @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, equals = FLAG_IGNORE_CHEEK_PRESSES,
    996                     name = "FLAG_IGNORE_CHEEK_PRESSES"),
    997             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_INSET_DECOR, equals = FLAG_LAYOUT_INSET_DECOR,
    998                     name = "FLAG_LAYOUT_INSET_DECOR"),
    999             @ViewDebug.FlagToString(mask = FLAG_ALT_FOCUSABLE_IM, equals = FLAG_ALT_FOCUSABLE_IM,
   1000                     name = "FLAG_ALT_FOCUSABLE_IM"),
   1001             @ViewDebug.FlagToString(mask = FLAG_WATCH_OUTSIDE_TOUCH, equals = FLAG_WATCH_OUTSIDE_TOUCH,
   1002                     name = "FLAG_WATCH_OUTSIDE_TOUCH"),
   1003             @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED,
   1004                     name = "FLAG_SHOW_WHEN_LOCKED"),
   1005             @ViewDebug.FlagToString(mask = FLAG_SHOW_WALLPAPER, equals = FLAG_SHOW_WALLPAPER,
   1006                     name = "FLAG_SHOW_WALLPAPER"),
   1007             @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON,
   1008                     name = "FLAG_TURN_SCREEN_ON"),
   1009             @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD,
   1010                     name = "FLAG_DISMISS_KEYGUARD"),
   1011             @ViewDebug.FlagToString(mask = FLAG_SPLIT_TOUCH, equals = FLAG_SPLIT_TOUCH,
   1012                     name = "FLAG_SPLIT_TOUCH"),
   1013             @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, equals = FLAG_HARDWARE_ACCELERATED,
   1014                     name = "FLAG_HARDWARE_ACCELERATED"),
   1015             @ViewDebug.FlagToString(mask = FLAG_LOCAL_FOCUS_MODE, equals = FLAG_LOCAL_FOCUS_MODE,
   1016                     name = "FLAG_LOCAL_FOCUS_MODE"),
   1017             @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_STATUS, equals = FLAG_TRANSLUCENT_STATUS,
   1018                     name = "FLAG_TRANSLUCENT_STATUS"),
   1019             @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_NAVIGATION, equals = FLAG_TRANSLUCENT_NAVIGATION,
   1020                     name = "FLAG_TRANSLUCENT_NAVIGATION"),
   1021             @ViewDebug.FlagToString(mask = FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS, equals = FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS,
   1022                     name = "FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS")
   1023         }, formatToHexString = true)
   1024         public int flags;
   1025 
   1026         /**
   1027          * If the window has requested hardware acceleration, but this is not
   1028          * allowed in the process it is in, then still render it as if it is
   1029          * hardware accelerated.  This is used for the starting preview windows
   1030          * in the system process, which don't need to have the overhead of
   1031          * hardware acceleration (they are just a static rendering), but should
   1032          * be rendered as such to match the actual window of the app even if it
   1033          * is hardware accelerated.
   1034          * Even if the window isn't hardware accelerated, still do its rendering
   1035          * as if it was.
   1036          * Like {@link #FLAG_HARDWARE_ACCELERATED} except for trusted system windows
   1037          * that need hardware acceleration (e.g. LockScreen), where hardware acceleration
   1038          * is generally disabled. This flag must be specified in addition to
   1039          * {@link #FLAG_HARDWARE_ACCELERATED} to enable hardware acceleration for system
   1040          * windows.
   1041          *
   1042          * @hide
   1043          */
   1044         public static final int PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED = 0x00000001;
   1045 
   1046         /**
   1047          * In the system process, we globally do not use hardware acceleration
   1048          * because there are many threads doing UI there and they conflict.
   1049          * If certain parts of the UI that really do want to use hardware
   1050          * acceleration, this flag can be set to force it.  This is basically
   1051          * for the lock screen.  Anyone else using it, you are probably wrong.
   1052          *
   1053          * @hide
   1054          */
   1055         public static final int PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED = 0x00000002;
   1056 
   1057         /**
   1058          * By default, wallpapers are sent new offsets when the wallpaper is scrolled. Wallpapers
   1059          * may elect to skip these notifications if they are not doing anything productive with
   1060          * them (they do not affect the wallpaper scrolling operation) by calling
   1061          * {@link
   1062          * android.service.wallpaper.WallpaperService.Engine#setOffsetNotificationsEnabled(boolean)}.
   1063          *
   1064          * @hide
   1065          */
   1066         public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004;
   1067 
   1068         /**
   1069          * This is set for a window that has explicitly specified its
   1070          * FLAG_NEEDS_MENU_KEY, so we know the value on this window is the
   1071          * appropriate one to use.  If this is not set, we should look at
   1072          * windows behind it to determine the appropriate value.
   1073          *
   1074          * @hide
   1075          */
   1076         public static final int PRIVATE_FLAG_SET_NEEDS_MENU_KEY = 0x00000008;
   1077 
   1078         /** In a multiuser system if this flag is set and the owner is a system process then this
   1079          * window will appear on all user screens. This overrides the default behavior of window
   1080          * types that normally only appear on the owning user's screen. Refer to each window type
   1081          * to determine its default behavior.
   1082          *
   1083          * {@hide} */
   1084         public static final int PRIVATE_FLAG_SHOW_FOR_ALL_USERS = 0x00000010;
   1085 
   1086         /**
   1087          * Never animate position changes of the window.
   1088          *
   1089          * {@hide} */
   1090         public static final int PRIVATE_FLAG_NO_MOVE_ANIMATION = 0x00000040;
   1091 
   1092         /** Window flag: special flag to limit the size of the window to be
   1093          * original size ([320x480] x density). Used to create window for applications
   1094          * running under compatibility mode.
   1095          *
   1096          * {@hide} */
   1097         public static final int PRIVATE_FLAG_COMPATIBLE_WINDOW = 0x00000080;
   1098 
   1099         /** Window flag: a special option intended for system dialogs.  When
   1100          * this flag is set, the window will demand focus unconditionally when
   1101          * it is created.
   1102          * {@hide} */
   1103         public static final int PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100;
   1104 
   1105         /** Window flag: maintain the previous translucent decor state when this window
   1106          * becomes top-most.
   1107          * {@hide} */
   1108         public static final int PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR = 0x00000200;
   1109 
   1110         /**
   1111          * Flag whether the current window is a keyguard window, meaning that it will hide all other
   1112          * windows behind it except for windows with flag {@link #FLAG_SHOW_WHEN_LOCKED} set.
   1113          * Further, this can only be set by {@link LayoutParams#TYPE_STATUS_BAR}.
   1114          * {@hide}
   1115          */
   1116         public static final int PRIVATE_FLAG_KEYGUARD = 0x00000400;
   1117 
   1118         /**
   1119          * Control flags that are private to the platform.
   1120          * @hide
   1121          */
   1122         public int privateFlags;
   1123 
   1124         /**
   1125          * Given a particular set of window manager flags, determine whether
   1126          * such a window may be a target for an input method when it has
   1127          * focus.  In particular, this checks the
   1128          * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM}
   1129          * flags and returns true if the combination of the two corresponds
   1130          * to a window that needs to be behind the input method so that the
   1131          * user can type into it.
   1132          *
   1133          * @param flags The current window manager flags.
   1134          *
   1135          * @return Returns true if such a window should be behind/interact
   1136          * with an input method, false if not.
   1137          */
   1138         public static boolean mayUseInputMethod(int flags) {
   1139             switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) {
   1140                 case 0:
   1141                 case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM:
   1142                     return true;
   1143             }
   1144             return false;
   1145         }
   1146 
   1147         /**
   1148          * Mask for {@link #softInputMode} of the bits that determine the
   1149          * desired visibility state of the soft input area for this window.
   1150          */
   1151         public static final int SOFT_INPUT_MASK_STATE = 0x0f;
   1152 
   1153         /**
   1154          * Visibility state for {@link #softInputMode}: no state has been specified.
   1155          */
   1156         public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0;
   1157 
   1158         /**
   1159          * Visibility state for {@link #softInputMode}: please don't change the state of
   1160          * the soft input area.
   1161          */
   1162         public static final int SOFT_INPUT_STATE_UNCHANGED = 1;
   1163 
   1164         /**
   1165          * Visibility state for {@link #softInputMode}: please hide any soft input
   1166          * area when normally appropriate (when the user is navigating
   1167          * forward to your window).
   1168          */
   1169         public static final int SOFT_INPUT_STATE_HIDDEN = 2;
   1170 
   1171         /**
   1172          * Visibility state for {@link #softInputMode}: please always hide any
   1173          * soft input area when this window receives focus.
   1174          */
   1175         public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3;
   1176 
   1177         /**
   1178          * Visibility state for {@link #softInputMode}: please show the soft
   1179          * input area when normally appropriate (when the user is navigating
   1180          * forward to your window).
   1181          */
   1182         public static final int SOFT_INPUT_STATE_VISIBLE = 4;
   1183 
   1184         /**
   1185          * Visibility state for {@link #softInputMode}: please always make the
   1186          * soft input area visible when this window receives input focus.
   1187          */
   1188         public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5;
   1189 
   1190         /**
   1191          * Mask for {@link #softInputMode} of the bits that determine the
   1192          * way that the window should be adjusted to accommodate the soft
   1193          * input window.
   1194          */
   1195         public static final int SOFT_INPUT_MASK_ADJUST = 0xf0;
   1196 
   1197         /** Adjustment option for {@link #softInputMode}: nothing specified.
   1198          * The system will try to pick one or
   1199          * the other depending on the contents of the window.
   1200          */
   1201         public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00;
   1202 
   1203         /** Adjustment option for {@link #softInputMode}: set to allow the
   1204          * window to be resized when an input
   1205          * method is shown, so that its contents are not covered by the input
   1206          * method.  This can <em>not</em> be combined with
   1207          * {@link #SOFT_INPUT_ADJUST_PAN}; if
   1208          * neither of these are set, then the system will try to pick one or
   1209          * the other depending on the contents of the window. If the window's
   1210          * layout parameter flags include {@link #FLAG_FULLSCREEN}, this
   1211          * value for {@link #softInputMode} will be ignored; the window will
   1212          * not resize, but will stay fullscreen.
   1213          */
   1214         public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10;
   1215 
   1216         /** Adjustment option for {@link #softInputMode}: set to have a window
   1217          * pan when an input method is
   1218          * shown, so it doesn't need to deal with resizing but just panned
   1219          * by the framework to ensure the current input focus is visible.  This
   1220          * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if
   1221          * neither of these are set, then the system will try to pick one or
   1222          * the other depending on the contents of the window.
   1223          */
   1224         public static final int SOFT_INPUT_ADJUST_PAN = 0x20;
   1225 
   1226         /** Adjustment option for {@link #softInputMode}: set to have a window
   1227          * not adjust for a shown input method.  The window will not be resized,
   1228          * and it will not be panned to make its focus visible.
   1229          */
   1230         public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30;
   1231 
   1232         /**
   1233          * Bit for {@link #softInputMode}: set when the user has navigated
   1234          * forward to the window.  This is normally set automatically for
   1235          * you by the system, though you may want to set it in certain cases
   1236          * when you are displaying a window yourself.  This flag will always
   1237          * be cleared automatically after the window is displayed.
   1238          */
   1239         public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100;
   1240 
   1241         /**
   1242          * Desired operating mode for any soft input area.  May be any combination
   1243          * of:
   1244          *
   1245          * <ul>
   1246          * <li> One of the visibility states
   1247          * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED},
   1248          * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or
   1249          * {@link #SOFT_INPUT_STATE_VISIBLE}.
   1250          * <li> One of the adjustment options
   1251          * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED},
   1252          * {@link #SOFT_INPUT_ADJUST_RESIZE}, or
   1253          * {@link #SOFT_INPUT_ADJUST_PAN}.
   1254          * </ul>
   1255          *
   1256          *
   1257          * <p>This flag can be controlled in your theme through the
   1258          * {@link android.R.attr#windowSoftInputMode} attribute.</p>
   1259          */
   1260         public int softInputMode;
   1261 
   1262         /**
   1263          * Placement of window within the screen as per {@link Gravity}.  Both
   1264          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1265          * android.graphics.Rect) Gravity.apply} and
   1266          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
   1267          * Gravity.applyDisplay} are used during window layout, with this value
   1268          * given as the desired gravity.  For example you can specify
   1269          * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and
   1270          * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here
   1271          * to control the behavior of
   1272          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
   1273          * Gravity.applyDisplay}.
   1274          *
   1275          * @see Gravity
   1276          */
   1277         public int gravity;
   1278 
   1279         /**
   1280          * The horizontal margin, as a percentage of the container's width,
   1281          * between the container and the widget.  See
   1282          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1283          * android.graphics.Rect) Gravity.apply} for how this is used.  This
   1284          * field is added with {@link #x} to supply the <var>xAdj</var> parameter.
   1285          */
   1286         public float horizontalMargin;
   1287 
   1288         /**
   1289          * The vertical margin, as a percentage of the container's height,
   1290          * between the container and the widget.  See
   1291          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1292          * android.graphics.Rect) Gravity.apply} for how this is used.  This
   1293          * field is added with {@link #y} to supply the <var>yAdj</var> parameter.
   1294          */
   1295         public float verticalMargin;
   1296 
   1297         /**
   1298          * Positive insets between the drawing surface and window content.
   1299          *
   1300          * @hide
   1301          */
   1302         public Rect surfaceInsets = new Rect();
   1303 
   1304         /**
   1305          * The desired bitmap format.  May be one of the constants in
   1306          * {@link android.graphics.PixelFormat}.  Default is OPAQUE.
   1307          */
   1308         public int format;
   1309 
   1310         /**
   1311          * A style resource defining the animations to use for this window.
   1312          * This must be a system resource; it can not be an application resource
   1313          * because the window manager does not have access to applications.
   1314          */
   1315         public int windowAnimations;
   1316 
   1317         /**
   1318          * An alpha value to apply to this entire window.
   1319          * An alpha of 1.0 means fully opaque and 0.0 means fully transparent
   1320          */
   1321         public float alpha = 1.0f;
   1322 
   1323         /**
   1324          * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming
   1325          * to apply.  Range is from 1.0 for completely opaque to 0.0 for no
   1326          * dim.
   1327          */
   1328         public float dimAmount = 1.0f;
   1329 
   1330         /**
   1331          * Default value for {@link #screenBrightness} and {@link #buttonBrightness}
   1332          * indicating that the brightness value is not overridden for this window
   1333          * and normal brightness policy should be used.
   1334          */
   1335         public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f;
   1336 
   1337         /**
   1338          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
   1339          * indicating that the screen or button backlight brightness should be set
   1340          * to the lowest value when this window is in front.
   1341          */
   1342         public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f;
   1343 
   1344         /**
   1345          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
   1346          * indicating that the screen or button backlight brightness should be set
   1347          * to the hightest value when this window is in front.
   1348          */
   1349         public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f;
   1350 
   1351         /**
   1352          * This can be used to override the user's preferred brightness of
   1353          * the screen.  A value of less than 0, the default, means to use the
   1354          * preferred screen brightness.  0 to 1 adjusts the brightness from
   1355          * dark to full bright.
   1356          */
   1357         public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE;
   1358 
   1359         /**
   1360          * This can be used to override the standard behavior of the button and
   1361          * keyboard backlights.  A value of less than 0, the default, means to
   1362          * use the standard backlight behavior.  0 to 1 adjusts the brightness
   1363          * from dark to full bright.
   1364          */
   1365         public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE;
   1366 
   1367         /**
   1368          * Value for {@link #rotationAnimation} to define the animation used to
   1369          * specify that this window will rotate in or out following a rotation.
   1370          */
   1371         public static final int ROTATION_ANIMATION_ROTATE = 0;
   1372 
   1373         /**
   1374          * Value for {@link #rotationAnimation} to define the animation used to
   1375          * specify that this window will fade in or out following a rotation.
   1376          */
   1377         public static final int ROTATION_ANIMATION_CROSSFADE = 1;
   1378 
   1379         /**
   1380          * Value for {@link #rotationAnimation} to define the animation used to
   1381          * specify that this window will immediately disappear or appear following
   1382          * a rotation.
   1383          */
   1384         public static final int ROTATION_ANIMATION_JUMPCUT = 2;
   1385 
   1386         /**
   1387          * Define the exit and entry animations used on this window when the device is rotated.
   1388          * This only has an affect if the incoming and outgoing topmost
   1389          * opaque windows have the #FLAG_FULLSCREEN bit set and are not covered
   1390          * by other windows. All other situations default to the
   1391          * {@link #ROTATION_ANIMATION_ROTATE} behavior.
   1392          *
   1393          * @see #ROTATION_ANIMATION_ROTATE
   1394          * @see #ROTATION_ANIMATION_CROSSFADE
   1395          * @see #ROTATION_ANIMATION_JUMPCUT
   1396          */
   1397         public int rotationAnimation = ROTATION_ANIMATION_ROTATE;
   1398 
   1399         /**
   1400          * Identifier for this window.  This will usually be filled in for
   1401          * you.
   1402          */
   1403         public IBinder token = null;
   1404 
   1405         /**
   1406          * Name of the package owning this window.
   1407          */
   1408         public String packageName = null;
   1409 
   1410         /**
   1411          * Specific orientation value for a window.
   1412          * May be any of the same values allowed
   1413          * for {@link android.content.pm.ActivityInfo#screenOrientation}.
   1414          * If not set, a default value of
   1415          * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED}
   1416          * will be used.
   1417          */
   1418         public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
   1419 
   1420         /**
   1421          * The preferred refresh rate for the window.
   1422          *
   1423          * This must be one of the supported refresh rates obtained for the display(s) the window
   1424          * is on.
   1425          *
   1426          * @see Display#getSupportedRefreshRates()
   1427          */
   1428         public float preferredRefreshRate;
   1429 
   1430         /**
   1431          * Control the visibility of the status bar.
   1432          *
   1433          * @see View#STATUS_BAR_VISIBLE
   1434          * @see View#STATUS_BAR_HIDDEN
   1435          */
   1436         public int systemUiVisibility;
   1437 
   1438         /**
   1439          * @hide
   1440          * The ui visibility as requested by the views in this hierarchy.
   1441          * the combined value should be systemUiVisibility | subtreeSystemUiVisibility.
   1442          */
   1443         public int subtreeSystemUiVisibility;
   1444 
   1445         /**
   1446          * Get callbacks about the system ui visibility changing.
   1447          *
   1448          * TODO: Maybe there should be a bitfield of optional callbacks that we need.
   1449          *
   1450          * @hide
   1451          */
   1452         public boolean hasSystemUiListeners;
   1453 
   1454         /**
   1455          * When this window has focus, disable touch pad pointer gesture processing.
   1456          * The window will receive raw position updates from the touch pad instead
   1457          * of pointer movements and synthetic touch events.
   1458          *
   1459          * @hide
   1460          */
   1461         public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001;
   1462 
   1463         /**
   1464          * Does not construct an input channel for this window.  The channel will therefore
   1465          * be incapable of receiving input.
   1466          *
   1467          * @hide
   1468          */
   1469         public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002;
   1470 
   1471         /**
   1472          * When this window has focus, does not call user activity for all input events so
   1473          * the application will have to do it itself.  Should only be used by
   1474          * the keyguard and phone app.
   1475          * <p>
   1476          * Should only be used by the keyguard and phone app.
   1477          * </p>
   1478          *
   1479          * @hide
   1480          */
   1481         public static final int INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004;
   1482 
   1483         /**
   1484          * Control special features of the input subsystem.
   1485          *
   1486          * @see #INPUT_FEATURE_DISABLE_POINTER_GESTURES
   1487          * @see #INPUT_FEATURE_NO_INPUT_CHANNEL
   1488          * @see #INPUT_FEATURE_DISABLE_USER_ACTIVITY
   1489          * @hide
   1490          */
   1491         public int inputFeatures;
   1492 
   1493         /**
   1494          * Sets the number of milliseconds before the user activity timeout occurs
   1495          * when this window has focus.  A value of -1 uses the standard timeout.
   1496          * A value of 0 uses the minimum support display timeout.
   1497          * <p>
   1498          * This property can only be used to reduce the user specified display timeout;
   1499          * it can never make the timeout longer than it normally would be.
   1500          * </p><p>
   1501          * Should only be used by the keyguard and phone app.
   1502          * </p>
   1503          *
   1504          * @hide
   1505          */
   1506         public long userActivityTimeout = -1;
   1507 
   1508         public LayoutParams() {
   1509             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1510             type = TYPE_APPLICATION;
   1511             format = PixelFormat.OPAQUE;
   1512         }
   1513 
   1514         public LayoutParams(int _type) {
   1515             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1516             type = _type;
   1517             format = PixelFormat.OPAQUE;
   1518         }
   1519 
   1520         public LayoutParams(int _type, int _flags) {
   1521             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1522             type = _type;
   1523             flags = _flags;
   1524             format = PixelFormat.OPAQUE;
   1525         }
   1526 
   1527         public LayoutParams(int _type, int _flags, int _format) {
   1528             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1529             type = _type;
   1530             flags = _flags;
   1531             format = _format;
   1532         }
   1533 
   1534         public LayoutParams(int w, int h, int _type, int _flags, int _format) {
   1535             super(w, h);
   1536             type = _type;
   1537             flags = _flags;
   1538             format = _format;
   1539         }
   1540 
   1541         public LayoutParams(int w, int h, int xpos, int ypos, int _type,
   1542                 int _flags, int _format) {
   1543             super(w, h);
   1544             x = xpos;
   1545             y = ypos;
   1546             type = _type;
   1547             flags = _flags;
   1548             format = _format;
   1549         }
   1550 
   1551         public final void setTitle(CharSequence title) {
   1552             if (null == title)
   1553                 title = "";
   1554 
   1555             mTitle = TextUtils.stringOrSpannedString(title);
   1556         }
   1557 
   1558         public final CharSequence getTitle() {
   1559             return mTitle;
   1560         }
   1561 
   1562         public int describeContents() {
   1563             return 0;
   1564         }
   1565 
   1566         public void writeToParcel(Parcel out, int parcelableFlags) {
   1567             out.writeInt(width);
   1568             out.writeInt(height);
   1569             out.writeInt(x);
   1570             out.writeInt(y);
   1571             out.writeInt(type);
   1572             out.writeInt(flags);
   1573             out.writeInt(privateFlags);
   1574             out.writeInt(softInputMode);
   1575             out.writeInt(gravity);
   1576             out.writeFloat(horizontalMargin);
   1577             out.writeFloat(verticalMargin);
   1578             out.writeInt(format);
   1579             out.writeInt(windowAnimations);
   1580             out.writeFloat(alpha);
   1581             out.writeFloat(dimAmount);
   1582             out.writeFloat(screenBrightness);
   1583             out.writeFloat(buttonBrightness);
   1584             out.writeInt(rotationAnimation);
   1585             out.writeStrongBinder(token);
   1586             out.writeString(packageName);
   1587             TextUtils.writeToParcel(mTitle, out, parcelableFlags);
   1588             out.writeInt(screenOrientation);
   1589             out.writeFloat(preferredRefreshRate);
   1590             out.writeInt(systemUiVisibility);
   1591             out.writeInt(subtreeSystemUiVisibility);
   1592             out.writeInt(hasSystemUiListeners ? 1 : 0);
   1593             out.writeInt(inputFeatures);
   1594             out.writeLong(userActivityTimeout);
   1595             out.writeInt(surfaceInsets.left);
   1596             out.writeInt(surfaceInsets.top);
   1597             out.writeInt(surfaceInsets.right);
   1598             out.writeInt(surfaceInsets.bottom);
   1599         }
   1600 
   1601         public static final Parcelable.Creator<LayoutParams> CREATOR
   1602                     = new Parcelable.Creator<LayoutParams>() {
   1603             public LayoutParams createFromParcel(Parcel in) {
   1604                 return new LayoutParams(in);
   1605             }
   1606 
   1607             public LayoutParams[] newArray(int size) {
   1608                 return new LayoutParams[size];
   1609             }
   1610         };
   1611 
   1612 
   1613         public LayoutParams(Parcel in) {
   1614             width = in.readInt();
   1615             height = in.readInt();
   1616             x = in.readInt();
   1617             y = in.readInt();
   1618             type = in.readInt();
   1619             flags = in.readInt();
   1620             privateFlags = in.readInt();
   1621             softInputMode = in.readInt();
   1622             gravity = in.readInt();
   1623             horizontalMargin = in.readFloat();
   1624             verticalMargin = in.readFloat();
   1625             format = in.readInt();
   1626             windowAnimations = in.readInt();
   1627             alpha = in.readFloat();
   1628             dimAmount = in.readFloat();
   1629             screenBrightness = in.readFloat();
   1630             buttonBrightness = in.readFloat();
   1631             rotationAnimation = in.readInt();
   1632             token = in.readStrongBinder();
   1633             packageName = in.readString();
   1634             mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
   1635             screenOrientation = in.readInt();
   1636             preferredRefreshRate = in.readFloat();
   1637             systemUiVisibility = in.readInt();
   1638             subtreeSystemUiVisibility = in.readInt();
   1639             hasSystemUiListeners = in.readInt() != 0;
   1640             inputFeatures = in.readInt();
   1641             userActivityTimeout = in.readLong();
   1642             surfaceInsets.left = in.readInt();
   1643             surfaceInsets.top = in.readInt();
   1644             surfaceInsets.right = in.readInt();
   1645             surfaceInsets.bottom = in.readInt();
   1646         }
   1647 
   1648         @SuppressWarnings({"PointlessBitwiseExpression"})
   1649         public static final int LAYOUT_CHANGED = 1<<0;
   1650         public static final int TYPE_CHANGED = 1<<1;
   1651         public static final int FLAGS_CHANGED = 1<<2;
   1652         public static final int FORMAT_CHANGED = 1<<3;
   1653         public static final int ANIMATION_CHANGED = 1<<4;
   1654         public static final int DIM_AMOUNT_CHANGED = 1<<5;
   1655         public static final int TITLE_CHANGED = 1<<6;
   1656         public static final int ALPHA_CHANGED = 1<<7;
   1657         public static final int MEMORY_TYPE_CHANGED = 1<<8;
   1658         public static final int SOFT_INPUT_MODE_CHANGED = 1<<9;
   1659         public static final int SCREEN_ORIENTATION_CHANGED = 1<<10;
   1660         public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11;
   1661         public static final int ROTATION_ANIMATION_CHANGED = 1<<12;
   1662         /** {@hide} */
   1663         public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<13;
   1664         /** {@hide} */
   1665         public static final int SYSTEM_UI_VISIBILITY_CHANGED = 1<<14;
   1666         /** {@hide} */
   1667         public static final int SYSTEM_UI_LISTENER_CHANGED = 1<<15;
   1668         /** {@hide} */
   1669         public static final int INPUT_FEATURES_CHANGED = 1<<16;
   1670         /** {@hide} */
   1671         public static final int PRIVATE_FLAGS_CHANGED = 1<<17;
   1672         /** {@hide} */
   1673         public static final int USER_ACTIVITY_TIMEOUT_CHANGED = 1<<18;
   1674         /** {@hide} */
   1675         public static final int TRANSLUCENT_FLAGS_CHANGED = 1<<19;
   1676         /** {@hide} */
   1677         public static final int SURFACE_INSETS_CHANGED = 1<<20;
   1678         /** {@hide} */
   1679         public static final int PREFERRED_REFRESH_RATE_CHANGED = 1 << 21;
   1680         /** {@hide} */
   1681         public static final int EVERYTHING_CHANGED = 0xffffffff;
   1682 
   1683         // internal buffer to backup/restore parameters under compatibility mode.
   1684         private int[] mCompatibilityParamsBackup = null;
   1685 
   1686         public final int copyFrom(LayoutParams o) {
   1687             int changes = 0;
   1688 
   1689             if (width != o.width) {
   1690                 width = o.width;
   1691                 changes |= LAYOUT_CHANGED;
   1692             }
   1693             if (height != o.height) {
   1694                 height = o.height;
   1695                 changes |= LAYOUT_CHANGED;
   1696             }
   1697             if (x != o.x) {
   1698                 x = o.x;
   1699                 changes |= LAYOUT_CHANGED;
   1700             }
   1701             if (y != o.y) {
   1702                 y = o.y;
   1703                 changes |= LAYOUT_CHANGED;
   1704             }
   1705             if (horizontalWeight != o.horizontalWeight) {
   1706                 horizontalWeight = o.horizontalWeight;
   1707                 changes |= LAYOUT_CHANGED;
   1708             }
   1709             if (verticalWeight != o.verticalWeight) {
   1710                 verticalWeight = o.verticalWeight;
   1711                 changes |= LAYOUT_CHANGED;
   1712             }
   1713             if (horizontalMargin != o.horizontalMargin) {
   1714                 horizontalMargin = o.horizontalMargin;
   1715                 changes |= LAYOUT_CHANGED;
   1716             }
   1717             if (verticalMargin != o.verticalMargin) {
   1718                 verticalMargin = o.verticalMargin;
   1719                 changes |= LAYOUT_CHANGED;
   1720             }
   1721             if (type != o.type) {
   1722                 type = o.type;
   1723                 changes |= TYPE_CHANGED;
   1724             }
   1725             if (flags != o.flags) {
   1726                 final int diff = flags ^ o.flags;
   1727                 if ((diff & (FLAG_TRANSLUCENT_STATUS | FLAG_TRANSLUCENT_NAVIGATION)) != 0) {
   1728                     changes |= TRANSLUCENT_FLAGS_CHANGED;
   1729                 }
   1730                 flags = o.flags;
   1731                 changes |= FLAGS_CHANGED;
   1732             }
   1733             if (privateFlags != o.privateFlags) {
   1734                 privateFlags = o.privateFlags;
   1735                 changes |= PRIVATE_FLAGS_CHANGED;
   1736             }
   1737             if (softInputMode != o.softInputMode) {
   1738                 softInputMode = o.softInputMode;
   1739                 changes |= SOFT_INPUT_MODE_CHANGED;
   1740             }
   1741             if (gravity != o.gravity) {
   1742                 gravity = o.gravity;
   1743                 changes |= LAYOUT_CHANGED;
   1744             }
   1745             if (format != o.format) {
   1746                 format = o.format;
   1747                 changes |= FORMAT_CHANGED;
   1748             }
   1749             if (windowAnimations != o.windowAnimations) {
   1750                 windowAnimations = o.windowAnimations;
   1751                 changes |= ANIMATION_CHANGED;
   1752             }
   1753             if (token == null) {
   1754                 // NOTE: token only copied if the recipient doesn't
   1755                 // already have one.
   1756                 token = o.token;
   1757             }
   1758             if (packageName == null) {
   1759                 // NOTE: packageName only copied if the recipient doesn't
   1760                 // already have one.
   1761                 packageName = o.packageName;
   1762             }
   1763             if (!mTitle.equals(o.mTitle)) {
   1764                 mTitle = o.mTitle;
   1765                 changes |= TITLE_CHANGED;
   1766             }
   1767             if (alpha != o.alpha) {
   1768                 alpha = o.alpha;
   1769                 changes |= ALPHA_CHANGED;
   1770             }
   1771             if (dimAmount != o.dimAmount) {
   1772                 dimAmount = o.dimAmount;
   1773                 changes |= DIM_AMOUNT_CHANGED;
   1774             }
   1775             if (screenBrightness != o.screenBrightness) {
   1776                 screenBrightness = o.screenBrightness;
   1777                 changes |= SCREEN_BRIGHTNESS_CHANGED;
   1778             }
   1779             if (buttonBrightness != o.buttonBrightness) {
   1780                 buttonBrightness = o.buttonBrightness;
   1781                 changes |= BUTTON_BRIGHTNESS_CHANGED;
   1782             }
   1783             if (rotationAnimation != o.rotationAnimation) {
   1784                 rotationAnimation = o.rotationAnimation;
   1785                 changes |= ROTATION_ANIMATION_CHANGED;
   1786             }
   1787 
   1788             if (screenOrientation != o.screenOrientation) {
   1789                 screenOrientation = o.screenOrientation;
   1790                 changes |= SCREEN_ORIENTATION_CHANGED;
   1791             }
   1792 
   1793             if (preferredRefreshRate != o.preferredRefreshRate) {
   1794                 preferredRefreshRate = o.preferredRefreshRate;
   1795                 changes |= PREFERRED_REFRESH_RATE_CHANGED;
   1796             }
   1797 
   1798             if (systemUiVisibility != o.systemUiVisibility
   1799                     || subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) {
   1800                 systemUiVisibility = o.systemUiVisibility;
   1801                 subtreeSystemUiVisibility = o.subtreeSystemUiVisibility;
   1802                 changes |= SYSTEM_UI_VISIBILITY_CHANGED;
   1803             }
   1804 
   1805             if (hasSystemUiListeners != o.hasSystemUiListeners) {
   1806                 hasSystemUiListeners = o.hasSystemUiListeners;
   1807                 changes |= SYSTEM_UI_LISTENER_CHANGED;
   1808             }
   1809 
   1810             if (inputFeatures != o.inputFeatures) {
   1811                 inputFeatures = o.inputFeatures;
   1812                 changes |= INPUT_FEATURES_CHANGED;
   1813             }
   1814 
   1815             if (userActivityTimeout != o.userActivityTimeout) {
   1816                 userActivityTimeout = o.userActivityTimeout;
   1817                 changes |= USER_ACTIVITY_TIMEOUT_CHANGED;
   1818             }
   1819 
   1820             if (!surfaceInsets.equals(o.surfaceInsets)) {
   1821                 surfaceInsets.set(o.surfaceInsets);
   1822                 changes |= SURFACE_INSETS_CHANGED;
   1823             }
   1824 
   1825             return changes;
   1826         }
   1827 
   1828         @Override
   1829         public String debug(String output) {
   1830             output += "Contents of " + this + ":";
   1831             Log.d("Debug", output);
   1832             output = super.debug("");
   1833             Log.d("Debug", output);
   1834             Log.d("Debug", "");
   1835             Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}");
   1836             return "";
   1837         }
   1838 
   1839         @Override
   1840         public String toString() {
   1841             StringBuilder sb = new StringBuilder(256);
   1842             sb.append("WM.LayoutParams{");
   1843             sb.append("(");
   1844             sb.append(x);
   1845             sb.append(',');
   1846             sb.append(y);
   1847             sb.append(")(");
   1848             sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width)));
   1849             sb.append('x');
   1850             sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height)));
   1851             sb.append(")");
   1852             if (horizontalMargin != 0) {
   1853                 sb.append(" hm=");
   1854                 sb.append(horizontalMargin);
   1855             }
   1856             if (verticalMargin != 0) {
   1857                 sb.append(" vm=");
   1858                 sb.append(verticalMargin);
   1859             }
   1860             if (gravity != 0) {
   1861                 sb.append(" gr=#");
   1862                 sb.append(Integer.toHexString(gravity));
   1863             }
   1864             if (softInputMode != 0) {
   1865                 sb.append(" sim=#");
   1866                 sb.append(Integer.toHexString(softInputMode));
   1867             }
   1868             sb.append(" ty=");
   1869             sb.append(type);
   1870             sb.append(" fl=#");
   1871             sb.append(Integer.toHexString(flags));
   1872             if (privateFlags != 0) {
   1873                 if ((privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0) {
   1874                     sb.append(" compatible=true");
   1875                 }
   1876                 sb.append(" pfl=0x").append(Integer.toHexString(privateFlags));
   1877             }
   1878             if (format != PixelFormat.OPAQUE) {
   1879                 sb.append(" fmt=");
   1880                 sb.append(format);
   1881             }
   1882             if (windowAnimations != 0) {
   1883                 sb.append(" wanim=0x");
   1884                 sb.append(Integer.toHexString(windowAnimations));
   1885             }
   1886             if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
   1887                 sb.append(" or=");
   1888                 sb.append(screenOrientation);
   1889             }
   1890             if (alpha != 1.0f) {
   1891                 sb.append(" alpha=");
   1892                 sb.append(alpha);
   1893             }
   1894             if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) {
   1895                 sb.append(" sbrt=");
   1896                 sb.append(screenBrightness);
   1897             }
   1898             if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) {
   1899                 sb.append(" bbrt=");
   1900                 sb.append(buttonBrightness);
   1901             }
   1902             if (rotationAnimation != ROTATION_ANIMATION_ROTATE) {
   1903                 sb.append(" rotAnim=");
   1904                 sb.append(rotationAnimation);
   1905             }
   1906             if (preferredRefreshRate != 0) {
   1907                 sb.append(" preferredRefreshRate=");
   1908                 sb.append(preferredRefreshRate);
   1909             }
   1910             if (systemUiVisibility != 0) {
   1911                 sb.append(" sysui=0x");
   1912                 sb.append(Integer.toHexString(systemUiVisibility));
   1913             }
   1914             if (subtreeSystemUiVisibility != 0) {
   1915                 sb.append(" vsysui=0x");
   1916                 sb.append(Integer.toHexString(subtreeSystemUiVisibility));
   1917             }
   1918             if (hasSystemUiListeners) {
   1919                 sb.append(" sysuil=");
   1920                 sb.append(hasSystemUiListeners);
   1921             }
   1922             if (inputFeatures != 0) {
   1923                 sb.append(" if=0x").append(Integer.toHexString(inputFeatures));
   1924             }
   1925             if (userActivityTimeout >= 0) {
   1926                 sb.append(" userActivityTimeout=").append(userActivityTimeout);
   1927             }
   1928             if (!surfaceInsets.equals(Insets.NONE)) {
   1929                 sb.append(" surfaceInsets=").append(surfaceInsets);
   1930             }
   1931             sb.append('}');
   1932             return sb.toString();
   1933         }
   1934 
   1935         /**
   1936          * Scale the layout params' coordinates and size.
   1937          * @hide
   1938          */
   1939         public void scale(float scale) {
   1940             x = (int) (x * scale + 0.5f);
   1941             y = (int) (y * scale + 0.5f);
   1942             if (width > 0) {
   1943                 width = (int) (width * scale + 0.5f);
   1944             }
   1945             if (height > 0) {
   1946                 height = (int) (height * scale + 0.5f);
   1947             }
   1948         }
   1949 
   1950         /**
   1951          * Backup the layout parameters used in compatibility mode.
   1952          * @see LayoutParams#restore()
   1953          */
   1954         void backup() {
   1955             int[] backup = mCompatibilityParamsBackup;
   1956             if (backup == null) {
   1957                 // we backup 4 elements, x, y, width, height
   1958                 backup = mCompatibilityParamsBackup = new int[4];
   1959             }
   1960             backup[0] = x;
   1961             backup[1] = y;
   1962             backup[2] = width;
   1963             backup[3] = height;
   1964         }
   1965 
   1966         /**
   1967          * Restore the layout params' coordinates, size and gravity
   1968          * @see LayoutParams#backup()
   1969          */
   1970         void restore() {
   1971             int[] backup = mCompatibilityParamsBackup;
   1972             if (backup != null) {
   1973                 x = backup[0];
   1974                 y = backup[1];
   1975                 width = backup[2];
   1976                 height = backup[3];
   1977             }
   1978         }
   1979 
   1980         private CharSequence mTitle = "";
   1981     }
   1982 }
   1983