Home | History | Annotate | Download | only in view
      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: keyguard scrim window. Shows if keyguard needs to be restarted.
    527          * In multiuser systems shows on all users' windows.
    528          * @hide
    529          */
    530         public static final int TYPE_KEYGUARD_SCRIM           = FIRST_SYSTEM_WINDOW+29;
    531 
    532         /**
    533          * Window type: Window for Presentation on top of private
    534          * virtual display.
    535          */
    536         public static final int TYPE_PRIVATE_PRESENTATION = FIRST_SYSTEM_WINDOW+30;
    537 
    538         /**
    539          * Window type: Windows in the voice interaction layer.
    540          * @hide
    541          */
    542         public static final int TYPE_VOICE_INTERACTION = FIRST_SYSTEM_WINDOW+31;
    543 
    544         /**
    545          * Window type: Windows that are overlaid <em>only</em> by an {@link
    546          * android.accessibilityservice.AccessibilityService} for interception of
    547          * user interactions without changing the windows an accessibility service
    548          * can introspect. In particular, an accessibility service can introspect
    549          * only windows that a sighted user can interact with which is they can touch
    550          * these windows or can type into these windows. For example, if there
    551          * is a full screen accessibility overlay that is touchable, the windows
    552          * below it will be introspectable by an accessibility service regardless
    553          * they are covered by a touchable window.
    554          */
    555         public static final int TYPE_ACCESSIBILITY_OVERLAY = FIRST_SYSTEM_WINDOW+32;
    556 
    557         /**
    558          * End of types of system windows.
    559          */
    560         public static final int LAST_SYSTEM_WINDOW      = 2999;
    561 
    562         /** @deprecated this is ignored, this value is set automatically when needed. */
    563         @Deprecated
    564         public static final int MEMORY_TYPE_NORMAL = 0;
    565         /** @deprecated this is ignored, this value is set automatically when needed. */
    566         @Deprecated
    567         public static final int MEMORY_TYPE_HARDWARE = 1;
    568         /** @deprecated this is ignored, this value is set automatically when needed. */
    569         @Deprecated
    570         public static final int MEMORY_TYPE_GPU = 2;
    571         /** @deprecated this is ignored, this value is set automatically when needed. */
    572         @Deprecated
    573         public static final int MEMORY_TYPE_PUSH_BUFFERS = 3;
    574 
    575         /**
    576          * @deprecated this is ignored
    577          */
    578         @Deprecated
    579         public int memoryType;
    580 
    581         /** Window flag: as long as this window is visible to the user, allow
    582          *  the lock screen to activate while the screen is on.
    583          *  This can be used independently, or in combination with
    584          *  {@link #FLAG_KEEP_SCREEN_ON} and/or {@link #FLAG_SHOW_WHEN_LOCKED} */
    585         public static final int FLAG_ALLOW_LOCK_WHILE_SCREEN_ON     = 0x00000001;
    586 
    587         /** Window flag: everything behind this window will be dimmed.
    588          *  Use {@link #dimAmount} to control the amount of dim. */
    589         public static final int FLAG_DIM_BEHIND        = 0x00000002;
    590 
    591         /** Window flag: blur everything behind this window.
    592          * @deprecated Blurring is no longer supported. */
    593         @Deprecated
    594         public static final int FLAG_BLUR_BEHIND        = 0x00000004;
    595 
    596         /** Window flag: this window won't ever get key input focus, so the
    597          * user can not send key or other button events to it.  Those will
    598          * instead go to whatever focusable window is behind it.  This flag
    599          * will also enable {@link #FLAG_NOT_TOUCH_MODAL} whether or not that
    600          * is explicitly set.
    601          *
    602          * <p>Setting this flag also implies that the window will not need to
    603          * interact with
    604          * a soft input method, so it will be Z-ordered and positioned
    605          * independently of any active input method (typically this means it
    606          * gets Z-ordered on top of the input method, so it can use the full
    607          * screen for its content and cover the input method if needed.  You
    608          * can use {@link #FLAG_ALT_FOCUSABLE_IM} to modify this behavior. */
    609         public static final int FLAG_NOT_FOCUSABLE      = 0x00000008;
    610 
    611         /** Window flag: this window can never receive touch events. */
    612         public static final int FLAG_NOT_TOUCHABLE      = 0x00000010;
    613 
    614         /** Window flag: even when this window is focusable (its
    615          * {@link #FLAG_NOT_FOCUSABLE} is not set), allow any pointer events
    616          * outside of the window to be sent to the windows behind it.  Otherwise
    617          * it will consume all pointer events itself, regardless of whether they
    618          * are inside of the window. */
    619         public static final int FLAG_NOT_TOUCH_MODAL    = 0x00000020;
    620 
    621         /** Window flag: when set, if the device is asleep when the touch
    622          * screen is pressed, you will receive this first touch event.  Usually
    623          * the first touch event is consumed by the system since the user can
    624          * not see what they are pressing on.
    625          *
    626          * @deprecated This flag has no effect.
    627          */
    628         @Deprecated
    629         public static final int FLAG_TOUCHABLE_WHEN_WAKING = 0x00000040;
    630 
    631         /** Window flag: as long as this window is visible to the user, keep
    632          *  the device's screen turned on and bright. */
    633         public static final int FLAG_KEEP_SCREEN_ON     = 0x00000080;
    634 
    635         /** Window flag: place the window within the entire screen, ignoring
    636          *  decorations around the border (such as the status bar).  The
    637          *  window must correctly position its contents to take the screen
    638          *  decoration into account.  This flag is normally set for you
    639          *  by Window as described in {@link Window#setFlags}. */
    640         public static final int FLAG_LAYOUT_IN_SCREEN   = 0x00000100;
    641 
    642         /** Window flag: allow window to extend outside of the screen. */
    643         public static final int FLAG_LAYOUT_NO_LIMITS   = 0x00000200;
    644 
    645         /**
    646          * Window flag: hide all screen decorations (such as the status bar) while
    647          * this window is displayed.  This allows the window to use the entire
    648          * display space for itself -- the status bar will be hidden when
    649          * an app window with this flag set is on the top layer. A fullscreen window
    650          * will ignore a value of {@link #SOFT_INPUT_ADJUST_RESIZE} for the window's
    651          * {@link #softInputMode} field; the window will stay fullscreen
    652          * and will not resize.
    653          *
    654          * <p>This flag can be controlled in your theme through the
    655          * {@link android.R.attr#windowFullscreen} attribute; this attribute
    656          * is automatically set for you in the standard fullscreen themes
    657          * such as {@link android.R.style#Theme_NoTitleBar_Fullscreen},
    658          * {@link android.R.style#Theme_Black_NoTitleBar_Fullscreen},
    659          * {@link android.R.style#Theme_Light_NoTitleBar_Fullscreen},
    660          * {@link android.R.style#Theme_Holo_NoActionBar_Fullscreen},
    661          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Fullscreen},
    662          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Fullscreen}, and
    663          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Fullscreen}.</p>
    664          */
    665         public static final int FLAG_FULLSCREEN      = 0x00000400;
    666 
    667         /** Window flag: override {@link #FLAG_FULLSCREEN} and force the
    668          *  screen decorations (such as the status bar) to be shown. */
    669         public static final int FLAG_FORCE_NOT_FULLSCREEN   = 0x00000800;
    670 
    671         /** Window flag: turn on dithering when compositing this window to
    672          *  the screen.
    673          * @deprecated This flag is no longer used. */
    674         @Deprecated
    675         public static final int FLAG_DITHER             = 0x00001000;
    676 
    677         /** Window flag: treat the content of the window as secure, preventing
    678          * it from appearing in screenshots or from being viewed on non-secure
    679          * displays.
    680          *
    681          * <p>See {@link android.view.Display#FLAG_SECURE} for more details about
    682          * secure surfaces and secure displays.
    683          */
    684         public static final int FLAG_SECURE             = 0x00002000;
    685 
    686         /** Window flag: a special mode where the layout parameters are used
    687          * to perform scaling of the surface when it is composited to the
    688          * screen. */
    689         public static final int FLAG_SCALED             = 0x00004000;
    690 
    691         /** Window flag: intended for windows that will often be used when the user is
    692          * holding the screen against their face, it will aggressively filter the event
    693          * stream to prevent unintended presses in this situation that may not be
    694          * desired for a particular window, when such an event stream is detected, the
    695          * application will receive a CANCEL motion event to indicate this so applications
    696          * can handle this accordingly by taking no action on the event
    697          * until the finger is released. */
    698         public static final int FLAG_IGNORE_CHEEK_PRESSES    = 0x00008000;
    699 
    700         /** Window flag: a special option only for use in combination with
    701          * {@link #FLAG_LAYOUT_IN_SCREEN}.  When requesting layout in the
    702          * screen your window may appear on top of or behind screen decorations
    703          * such as the status bar.  By also including this flag, the window
    704          * manager will report the inset rectangle needed to ensure your
    705          * content is not covered by screen decorations.  This flag is normally
    706          * set for you by Window as described in {@link Window#setFlags}.*/
    707         public static final int FLAG_LAYOUT_INSET_DECOR = 0x00010000;
    708 
    709         /** Window flag: invert the state of {@link #FLAG_NOT_FOCUSABLE} with
    710          * respect to how this window interacts with the current method.  That
    711          * is, if FLAG_NOT_FOCUSABLE is set and this flag is set, then the
    712          * window will behave as if it needs to interact with the input method
    713          * and thus be placed behind/away from it; if FLAG_NOT_FOCUSABLE is
    714          * not set and this flag is set, then the window will behave as if it
    715          * doesn't need to interact with the input method and can be placed
    716          * to use more space and cover the input method.
    717          */
    718         public static final int FLAG_ALT_FOCUSABLE_IM = 0x00020000;
    719 
    720         /** Window flag: if you have set {@link #FLAG_NOT_TOUCH_MODAL}, you
    721          * can set this flag to receive a single special MotionEvent with
    722          * the action
    723          * {@link MotionEvent#ACTION_OUTSIDE MotionEvent.ACTION_OUTSIDE} for
    724          * touches that occur outside of your window.  Note that you will not
    725          * receive the full down/move/up gesture, only the location of the
    726          * first down as an ACTION_OUTSIDE.
    727          */
    728         public static final int FLAG_WATCH_OUTSIDE_TOUCH = 0x00040000;
    729 
    730         /** Window flag: special flag to let windows be shown when the screen
    731          * is locked. This will let application windows take precedence over
    732          * key guard or any other lock screens. Can be used with
    733          * {@link #FLAG_KEEP_SCREEN_ON} to turn screen on and display windows
    734          * directly before showing the key guard window.  Can be used with
    735          * {@link #FLAG_DISMISS_KEYGUARD} to automatically fully dismisss
    736          * non-secure keyguards.  This flag only applies to the top-most
    737          * full-screen window.
    738          */
    739         public static final int FLAG_SHOW_WHEN_LOCKED = 0x00080000;
    740 
    741         /** Window flag: ask that the system wallpaper be shown behind
    742          * your window.  The window surface must be translucent to be able
    743          * to actually see the wallpaper behind it; this flag just ensures
    744          * that the wallpaper surface will be there if this window actually
    745          * has translucent regions.
    746          *
    747          * <p>This flag can be controlled in your theme through the
    748          * {@link android.R.attr#windowShowWallpaper} attribute; this attribute
    749          * is automatically set for you in the standard wallpaper themes
    750          * such as {@link android.R.style#Theme_Wallpaper},
    751          * {@link android.R.style#Theme_Wallpaper_NoTitleBar},
    752          * {@link android.R.style#Theme_Wallpaper_NoTitleBar_Fullscreen},
    753          * {@link android.R.style#Theme_Holo_Wallpaper},
    754          * {@link android.R.style#Theme_Holo_Wallpaper_NoTitleBar},
    755          * {@link android.R.style#Theme_DeviceDefault_Wallpaper}, and
    756          * {@link android.R.style#Theme_DeviceDefault_Wallpaper_NoTitleBar}.</p>
    757          */
    758         public static final int FLAG_SHOW_WALLPAPER = 0x00100000;
    759 
    760         /** Window flag: when set as a window is being added or made
    761          * visible, once the window has been shown then the system will
    762          * poke the power manager's user activity (as if the user had woken
    763          * up the device) to turn the screen on. */
    764         public static final int FLAG_TURN_SCREEN_ON = 0x00200000;
    765 
    766         /** Window flag: when set the window will cause the keyguard to
    767          * be dismissed, only if it is not a secure lock keyguard.  Because such
    768          * a keyguard is not needed for security, it will never re-appear if
    769          * the user navigates to another window (in contrast to
    770          * {@link #FLAG_SHOW_WHEN_LOCKED}, which will only temporarily
    771          * hide both secure and non-secure keyguards but ensure they reappear
    772          * when the user moves to another UI that doesn't hide them).
    773          * If the keyguard is currently active and is secure (requires an
    774          * unlock pattern) than the user will still need to confirm it before
    775          * seeing this window, unless {@link #FLAG_SHOW_WHEN_LOCKED} has
    776          * also been set.
    777          */
    778         public static final int FLAG_DISMISS_KEYGUARD = 0x00400000;
    779 
    780         /** Window flag: when set the window will accept for touch events
    781          * outside of its bounds to be sent to other windows that also
    782          * support split touch.  When this flag is not set, the first pointer
    783          * that goes down determines the window to which all subsequent touches
    784          * go until all pointers go up.  When this flag is set, each pointer
    785          * (not necessarily the first) that goes down determines the window
    786          * to which all subsequent touches of that pointer will go until that
    787          * pointer goes up thereby enabling touches with multiple pointers
    788          * to be split across multiple windows.
    789          */
    790         public static final int FLAG_SPLIT_TOUCH = 0x00800000;
    791 
    792         /**
    793          * <p>Indicates whether this window should be hardware accelerated.
    794          * Requesting hardware acceleration does not guarantee it will happen.</p>
    795          *
    796          * <p>This flag can be controlled programmatically <em>only</em> to enable
    797          * hardware acceleration. To enable hardware acceleration for a given
    798          * window programmatically, do the following:</p>
    799          *
    800          * <pre>
    801          * Window w = activity.getWindow(); // in Activity's onCreate() for instance
    802          * w.setFlags(WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
    803          *         WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED);
    804          * </pre>
    805          *
    806          * <p>It is important to remember that this flag <strong>must</strong>
    807          * be set before setting the content view of your activity or dialog.</p>
    808          *
    809          * <p>This flag cannot be used to disable hardware acceleration after it
    810          * was enabled in your manifest using
    811          * {@link android.R.attr#hardwareAccelerated}. If you need to selectively
    812          * and programmatically disable hardware acceleration (for automated testing
    813          * for instance), make sure it is turned off in your manifest and enable it
    814          * on your activity or dialog when you need it instead, using the method
    815          * described above.</p>
    816          *
    817          * <p>This flag is automatically set by the system if the
    818          * {@link android.R.attr#hardwareAccelerated android:hardwareAccelerated}
    819          * XML attribute is set to true on an activity or on the application.</p>
    820          */
    821         public static final int FLAG_HARDWARE_ACCELERATED = 0x01000000;
    822 
    823         /**
    824          * Window flag: allow window contents to extend in to the screen's
    825          * overscan area, if there is one.  The window should still correctly
    826          * position its contents to take the overscan area into account.
    827          *
    828          * <p>This flag can be controlled in your theme through the
    829          * {@link android.R.attr#windowOverscan} attribute; this attribute
    830          * is automatically set for you in the standard overscan themes
    831          * such as
    832          * {@link android.R.style#Theme_Holo_NoActionBar_Overscan},
    833          * {@link android.R.style#Theme_Holo_Light_NoActionBar_Overscan},
    834          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_Overscan}, and
    835          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_Overscan}.</p>
    836          *
    837          * <p>When this flag is enabled for a window, its normal content may be obscured
    838          * to some degree by the overscan region of the display.  To ensure key parts of
    839          * that content are visible to the user, you can use
    840          * {@link View#setFitsSystemWindows(boolean) View.setFitsSystemWindows(boolean)}
    841          * to set the point in the view hierarchy where the appropriate offsets should
    842          * be applied.  (This can be done either by directly calling this function, using
    843          * the {@link android.R.attr#fitsSystemWindows} attribute in your view hierarchy,
    844          * or implementing you own {@link View#fitSystemWindows(android.graphics.Rect)
    845          * View.fitSystemWindows(Rect)} method).</p>
    846          *
    847          * <p>This mechanism for positioning content elements is identical to its equivalent
    848          * use with layout and {@link View#setSystemUiVisibility(int)
    849          * View.setSystemUiVisibility(int)}; here is an example layout that will correctly
    850          * position its UI elements with this overscan flag is set:</p>
    851          *
    852          * {@sample development/samples/ApiDemos/res/layout/overscan_activity.xml complete}
    853          */
    854         public static final int FLAG_LAYOUT_IN_OVERSCAN = 0x02000000;
    855 
    856         /**
    857          * Window flag: request a translucent status bar with minimal system-provided
    858          * background protection.
    859          *
    860          * <p>This flag can be controlled in your theme through the
    861          * {@link android.R.attr#windowTranslucentStatus} attribute; this attribute
    862          * is automatically set for you in the standard translucent decor themes
    863          * such as
    864          * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
    865          * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
    866          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
    867          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
    868          *
    869          * <p>When this flag is enabled for a window, it automatically sets
    870          * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
    871          * {@link View#SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}.</p>
    872          */
    873         public static final int FLAG_TRANSLUCENT_STATUS = 0x04000000;
    874 
    875         /**
    876          * Window flag: request a translucent navigation bar with minimal system-provided
    877          * background protection.
    878          *
    879          * <p>This flag can be controlled in your theme through the
    880          * {@link android.R.attr#windowTranslucentNavigation} attribute; this attribute
    881          * is automatically set for you in the standard translucent decor themes
    882          * such as
    883          * {@link android.R.style#Theme_Holo_NoActionBar_TranslucentDecor},
    884          * {@link android.R.style#Theme_Holo_Light_NoActionBar_TranslucentDecor},
    885          * {@link android.R.style#Theme_DeviceDefault_NoActionBar_TranslucentDecor}, and
    886          * {@link android.R.style#Theme_DeviceDefault_Light_NoActionBar_TranslucentDecor}.</p>
    887          *
    888          * <p>When this flag is enabled for a window, it automatically sets
    889          * the system UI visibility flags {@link View#SYSTEM_UI_FLAG_LAYOUT_STABLE} and
    890          * {@link View#SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION}.</p>
    891          */
    892         public static final int FLAG_TRANSLUCENT_NAVIGATION = 0x08000000;
    893 
    894         /**
    895          * Flag for a window in local focus mode.
    896          * Window in local focus mode can control focus independent of window manager using
    897          * {@link Window#setLocalFocus(boolean, boolean)}.
    898          * Usually window in this mode will not get touch/key events from window manager, but will
    899          * get events only via local injection using {@link Window#injectInputEvent(InputEvent)}.
    900          */
    901         public static final int FLAG_LOCAL_FOCUS_MODE = 0x10000000;
    902 
    903         /** Window flag: Enable touches to slide out of a window into neighboring
    904          * windows in mid-gesture instead of being captured for the duration of
    905          * the gesture.
    906          *
    907          * This flag changes the behavior of touch focus for this window only.
    908          * Touches can slide out of the window but they cannot necessarily slide
    909          * back in (unless the other window with touch focus permits it).
    910          *
    911          * {@hide}
    912          */
    913         public static final int FLAG_SLIPPERY = 0x20000000;
    914 
    915         /**
    916          * Window flag: When requesting layout with an attached window, the attached window may
    917          * overlap with the screen decorations of the parent window such as the navigation bar. By
    918          * including this flag, the window manager will layout the attached window within the decor
    919          * frame of the parent window such that it doesn't overlap with screen decorations.
    920          */
    921         public static final int FLAG_LAYOUT_ATTACHED_IN_DECOR = 0x40000000;
    922 
    923         /**
    924          * Flag indicating that this Window is responsible for drawing the background for the
    925          * system bars. If set, the system bars are drawn with a transparent background and the
    926          * corresponding areas in this window are filled with the colors specified in
    927          * {@link Window#getStatusBarColor()} and {@link Window#getNavigationBarColor()}.
    928          */
    929         public static final int FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS = 0x80000000;
    930 
    931         /**
    932          * Various behavioral options/flags.  Default is none.
    933          *
    934          * @see #FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
    935          * @see #FLAG_DIM_BEHIND
    936          * @see #FLAG_NOT_FOCUSABLE
    937          * @see #FLAG_NOT_TOUCHABLE
    938          * @see #FLAG_NOT_TOUCH_MODAL
    939          * @see #FLAG_TOUCHABLE_WHEN_WAKING
    940          * @see #FLAG_KEEP_SCREEN_ON
    941          * @see #FLAG_LAYOUT_IN_SCREEN
    942          * @see #FLAG_LAYOUT_NO_LIMITS
    943          * @see #FLAG_FULLSCREEN
    944          * @see #FLAG_FORCE_NOT_FULLSCREEN
    945          * @see #FLAG_SECURE
    946          * @see #FLAG_SCALED
    947          * @see #FLAG_IGNORE_CHEEK_PRESSES
    948          * @see #FLAG_LAYOUT_INSET_DECOR
    949          * @see #FLAG_ALT_FOCUSABLE_IM
    950          * @see #FLAG_WATCH_OUTSIDE_TOUCH
    951          * @see #FLAG_SHOW_WHEN_LOCKED
    952          * @see #FLAG_SHOW_WALLPAPER
    953          * @see #FLAG_TURN_SCREEN_ON
    954          * @see #FLAG_DISMISS_KEYGUARD
    955          * @see #FLAG_SPLIT_TOUCH
    956          * @see #FLAG_HARDWARE_ACCELERATED
    957          * @see #FLAG_LOCAL_FOCUS_MODE
    958          * @see #FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS
    959          */
    960         @ViewDebug.ExportedProperty(flagMapping = {
    961             @ViewDebug.FlagToString(mask = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON, equals = FLAG_ALLOW_LOCK_WHILE_SCREEN_ON,
    962                     name = "FLAG_ALLOW_LOCK_WHILE_SCREEN_ON"),
    963             @ViewDebug.FlagToString(mask = FLAG_DIM_BEHIND, equals = FLAG_DIM_BEHIND,
    964                     name = "FLAG_DIM_BEHIND"),
    965             @ViewDebug.FlagToString(mask = FLAG_BLUR_BEHIND, equals = FLAG_BLUR_BEHIND,
    966                     name = "FLAG_BLUR_BEHIND"),
    967             @ViewDebug.FlagToString(mask = FLAG_NOT_FOCUSABLE, equals = FLAG_NOT_FOCUSABLE,
    968                     name = "FLAG_NOT_FOCUSABLE"),
    969             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCHABLE, equals = FLAG_NOT_TOUCHABLE,
    970                     name = "FLAG_NOT_TOUCHABLE"),
    971             @ViewDebug.FlagToString(mask = FLAG_NOT_TOUCH_MODAL, equals = FLAG_NOT_TOUCH_MODAL,
    972                     name = "FLAG_NOT_TOUCH_MODAL"),
    973             @ViewDebug.FlagToString(mask = FLAG_TOUCHABLE_WHEN_WAKING, equals = FLAG_TOUCHABLE_WHEN_WAKING,
    974                     name = "FLAG_TOUCHABLE_WHEN_WAKING"),
    975             @ViewDebug.FlagToString(mask = FLAG_KEEP_SCREEN_ON, equals = FLAG_KEEP_SCREEN_ON,
    976                     name = "FLAG_KEEP_SCREEN_ON"),
    977             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_IN_SCREEN, equals = FLAG_LAYOUT_IN_SCREEN,
    978                     name = "FLAG_LAYOUT_IN_SCREEN"),
    979             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_NO_LIMITS, equals = FLAG_LAYOUT_NO_LIMITS,
    980                     name = "FLAG_LAYOUT_NO_LIMITS"),
    981             @ViewDebug.FlagToString(mask = FLAG_FULLSCREEN, equals = FLAG_FULLSCREEN,
    982                     name = "FLAG_FULLSCREEN"),
    983             @ViewDebug.FlagToString(mask = FLAG_FORCE_NOT_FULLSCREEN, equals = FLAG_FORCE_NOT_FULLSCREEN,
    984                     name = "FLAG_FORCE_NOT_FULLSCREEN"),
    985             @ViewDebug.FlagToString(mask = FLAG_DITHER, equals = FLAG_DITHER,
    986                     name = "FLAG_DITHER"),
    987             @ViewDebug.FlagToString(mask = FLAG_SECURE, equals = FLAG_SECURE,
    988                     name = "FLAG_SECURE"),
    989             @ViewDebug.FlagToString(mask = FLAG_SCALED, equals = FLAG_SCALED,
    990                     name = "FLAG_SCALED"),
    991             @ViewDebug.FlagToString(mask = FLAG_IGNORE_CHEEK_PRESSES, equals = FLAG_IGNORE_CHEEK_PRESSES,
    992                     name = "FLAG_IGNORE_CHEEK_PRESSES"),
    993             @ViewDebug.FlagToString(mask = FLAG_LAYOUT_INSET_DECOR, equals = FLAG_LAYOUT_INSET_DECOR,
    994                     name = "FLAG_LAYOUT_INSET_DECOR"),
    995             @ViewDebug.FlagToString(mask = FLAG_ALT_FOCUSABLE_IM, equals = FLAG_ALT_FOCUSABLE_IM,
    996                     name = "FLAG_ALT_FOCUSABLE_IM"),
    997             @ViewDebug.FlagToString(mask = FLAG_WATCH_OUTSIDE_TOUCH, equals = FLAG_WATCH_OUTSIDE_TOUCH,
    998                     name = "FLAG_WATCH_OUTSIDE_TOUCH"),
    999             @ViewDebug.FlagToString(mask = FLAG_SHOW_WHEN_LOCKED, equals = FLAG_SHOW_WHEN_LOCKED,
   1000                     name = "FLAG_SHOW_WHEN_LOCKED"),
   1001             @ViewDebug.FlagToString(mask = FLAG_SHOW_WALLPAPER, equals = FLAG_SHOW_WALLPAPER,
   1002                     name = "FLAG_SHOW_WALLPAPER"),
   1003             @ViewDebug.FlagToString(mask = FLAG_TURN_SCREEN_ON, equals = FLAG_TURN_SCREEN_ON,
   1004                     name = "FLAG_TURN_SCREEN_ON"),
   1005             @ViewDebug.FlagToString(mask = FLAG_DISMISS_KEYGUARD, equals = FLAG_DISMISS_KEYGUARD,
   1006                     name = "FLAG_DISMISS_KEYGUARD"),
   1007             @ViewDebug.FlagToString(mask = FLAG_SPLIT_TOUCH, equals = FLAG_SPLIT_TOUCH,
   1008                     name = "FLAG_SPLIT_TOUCH"),
   1009             @ViewDebug.FlagToString(mask = FLAG_HARDWARE_ACCELERATED, equals = FLAG_HARDWARE_ACCELERATED,
   1010                     name = "FLAG_HARDWARE_ACCELERATED"),
   1011             @ViewDebug.FlagToString(mask = FLAG_LOCAL_FOCUS_MODE, equals = FLAG_LOCAL_FOCUS_MODE,
   1012                     name = "FLAG_LOCAL_FOCUS_MODE"),
   1013             @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_STATUS, equals = FLAG_TRANSLUCENT_STATUS,
   1014                     name = "FLAG_TRANSLUCENT_STATUS"),
   1015             @ViewDebug.FlagToString(mask = FLAG_TRANSLUCENT_NAVIGATION, equals = FLAG_TRANSLUCENT_NAVIGATION,
   1016                     name = "FLAG_TRANSLUCENT_NAVIGATION"),
   1017             @ViewDebug.FlagToString(mask = FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS, equals = FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS,
   1018                     name = "FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS")
   1019         }, formatToHexString = true)
   1020         public int flags;
   1021 
   1022         /**
   1023          * If the window has requested hardware acceleration, but this is not
   1024          * allowed in the process it is in, then still render it as if it is
   1025          * hardware accelerated.  This is used for the starting preview windows
   1026          * in the system process, which don't need to have the overhead of
   1027          * hardware acceleration (they are just a static rendering), but should
   1028          * be rendered as such to match the actual window of the app even if it
   1029          * is hardware accelerated.
   1030          * Even if the window isn't hardware accelerated, still do its rendering
   1031          * as if it was.
   1032          * Like {@link #FLAG_HARDWARE_ACCELERATED} except for trusted system windows
   1033          * that need hardware acceleration (e.g. LockScreen), where hardware acceleration
   1034          * is generally disabled. This flag must be specified in addition to
   1035          * {@link #FLAG_HARDWARE_ACCELERATED} to enable hardware acceleration for system
   1036          * windows.
   1037          *
   1038          * @hide
   1039          */
   1040         public static final int PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED = 0x00000001;
   1041 
   1042         /**
   1043          * In the system process, we globally do not use hardware acceleration
   1044          * because there are many threads doing UI there and they conflict.
   1045          * If certain parts of the UI that really do want to use hardware
   1046          * acceleration, this flag can be set to force it.  This is basically
   1047          * for the lock screen.  Anyone else using it, you are probably wrong.
   1048          *
   1049          * @hide
   1050          */
   1051         public static final int PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED = 0x00000002;
   1052 
   1053         /**
   1054          * By default, wallpapers are sent new offsets when the wallpaper is scrolled. Wallpapers
   1055          * may elect to skip these notifications if they are not doing anything productive with
   1056          * them (they do not affect the wallpaper scrolling operation) by calling
   1057          * {@link
   1058          * android.service.wallpaper.WallpaperService.Engine#setOffsetNotificationsEnabled(boolean)}.
   1059          *
   1060          * @hide
   1061          */
   1062         public static final int PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS = 0x00000004;
   1063 
   1064         /** In a multiuser system if this flag is set and the owner is a system process then this
   1065          * window will appear on all user screens. This overrides the default behavior of window
   1066          * types that normally only appear on the owning user's screen. Refer to each window type
   1067          * to determine its default behavior.
   1068          *
   1069          * {@hide} */
   1070         public static final int PRIVATE_FLAG_SHOW_FOR_ALL_USERS = 0x00000010;
   1071 
   1072         /**
   1073          * Never animate position changes of the window.
   1074          *
   1075          * {@hide} */
   1076         public static final int PRIVATE_FLAG_NO_MOVE_ANIMATION = 0x00000040;
   1077 
   1078         /** Window flag: special flag to limit the size of the window to be
   1079          * original size ([320x480] x density). Used to create window for applications
   1080          * running under compatibility mode.
   1081          *
   1082          * {@hide} */
   1083         public static final int PRIVATE_FLAG_COMPATIBLE_WINDOW = 0x00000080;
   1084 
   1085         /** Window flag: a special option intended for system dialogs.  When
   1086          * this flag is set, the window will demand focus unconditionally when
   1087          * it is created.
   1088          * {@hide} */
   1089         public static final int PRIVATE_FLAG_SYSTEM_ERROR = 0x00000100;
   1090 
   1091         /** Window flag: maintain the previous translucent decor state when this window
   1092          * becomes top-most.
   1093          * {@hide} */
   1094         public static final int PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR = 0x00000200;
   1095 
   1096         /**
   1097          * Flag whether the current window is a keyguard window, meaning that it will hide all other
   1098          * windows behind it except for windows with flag {@link #FLAG_SHOW_WHEN_LOCKED} set.
   1099          * Further, this can only be set by {@link LayoutParams#TYPE_STATUS_BAR}.
   1100          * {@hide}
   1101          */
   1102         public static final int PRIVATE_FLAG_KEYGUARD = 0x00000400;
   1103 
   1104         /**
   1105          * Flag that prevents the wallpaper behind the current window from receiving touch events.
   1106          *
   1107          * {@hide}
   1108          */
   1109         public static final int PRIVATE_FLAG_DISABLE_WALLPAPER_TOUCH_EVENTS = 0x00000800;
   1110 
   1111         /**
   1112          * Control flags that are private to the platform.
   1113          * @hide
   1114          */
   1115         public int privateFlags;
   1116 
   1117         /**
   1118          * Value for {@link #needsMenuKey} for a window that has not explicitly specified if it
   1119          * needs {@link #NEEDS_MENU_SET_TRUE} or doesn't need {@link #NEEDS_MENU_SET_FALSE} a menu
   1120          * key. For this case, we should look at windows behind it to determine the appropriate
   1121          * value.
   1122          *
   1123          * @hide
   1124          */
   1125         public static final int NEEDS_MENU_UNSET = 0;
   1126 
   1127         /**
   1128          * Value for {@link #needsMenuKey} for a window that has explicitly specified it needs a
   1129          * menu key.
   1130          *
   1131          * @hide
   1132          */
   1133         public static final int NEEDS_MENU_SET_TRUE = 1;
   1134 
   1135         /**
   1136          * Value for {@link #needsMenuKey} for a window that has explicitly specified it doesn't
   1137          * needs a menu key.
   1138          *
   1139          * @hide
   1140          */
   1141         public static final int NEEDS_MENU_SET_FALSE = 2;
   1142 
   1143         /**
   1144          * State variable for a window belonging to an activity that responds to
   1145          * {@link KeyEvent#KEYCODE_MENU} and therefore needs a Menu key. For devices where Menu is a
   1146          * physical button this variable is ignored, but on devices where the Menu key is drawn in
   1147          * software it may be hidden unless this variable is set to {@link #NEEDS_MENU_SET_TRUE}.
   1148          *
   1149          *  (Note that Action Bars, when available, are the preferred way to offer additional
   1150          * functions otherwise accessed via an options menu.)
   1151          *
   1152          * {@hide}
   1153          */
   1154         public int needsMenuKey = NEEDS_MENU_UNSET;
   1155 
   1156         /**
   1157          * Given a particular set of window manager flags, determine whether
   1158          * such a window may be a target for an input method when it has
   1159          * focus.  In particular, this checks the
   1160          * {@link #FLAG_NOT_FOCUSABLE} and {@link #FLAG_ALT_FOCUSABLE_IM}
   1161          * flags and returns true if the combination of the two corresponds
   1162          * to a window that needs to be behind the input method so that the
   1163          * user can type into it.
   1164          *
   1165          * @param flags The current window manager flags.
   1166          *
   1167          * @return Returns true if such a window should be behind/interact
   1168          * with an input method, false if not.
   1169          */
   1170         public static boolean mayUseInputMethod(int flags) {
   1171             switch (flags&(FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)) {
   1172                 case 0:
   1173                 case FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM:
   1174                     return true;
   1175             }
   1176             return false;
   1177         }
   1178 
   1179         /**
   1180          * Mask for {@link #softInputMode} of the bits that determine the
   1181          * desired visibility state of the soft input area for this window.
   1182          */
   1183         public static final int SOFT_INPUT_MASK_STATE = 0x0f;
   1184 
   1185         /**
   1186          * Visibility state for {@link #softInputMode}: no state has been specified.
   1187          */
   1188         public static final int SOFT_INPUT_STATE_UNSPECIFIED = 0;
   1189 
   1190         /**
   1191          * Visibility state for {@link #softInputMode}: please don't change the state of
   1192          * the soft input area.
   1193          */
   1194         public static final int SOFT_INPUT_STATE_UNCHANGED = 1;
   1195 
   1196         /**
   1197          * Visibility state for {@link #softInputMode}: please hide any soft input
   1198          * area when normally appropriate (when the user is navigating
   1199          * forward to your window).
   1200          */
   1201         public static final int SOFT_INPUT_STATE_HIDDEN = 2;
   1202 
   1203         /**
   1204          * Visibility state for {@link #softInputMode}: please always hide any
   1205          * soft input area when this window receives focus.
   1206          */
   1207         public static final int SOFT_INPUT_STATE_ALWAYS_HIDDEN = 3;
   1208 
   1209         /**
   1210          * Visibility state for {@link #softInputMode}: please show the soft
   1211          * input area when normally appropriate (when the user is navigating
   1212          * forward to your window).
   1213          */
   1214         public static final int SOFT_INPUT_STATE_VISIBLE = 4;
   1215 
   1216         /**
   1217          * Visibility state for {@link #softInputMode}: please always make the
   1218          * soft input area visible when this window receives input focus.
   1219          */
   1220         public static final int SOFT_INPUT_STATE_ALWAYS_VISIBLE = 5;
   1221 
   1222         /**
   1223          * Mask for {@link #softInputMode} of the bits that determine the
   1224          * way that the window should be adjusted to accommodate the soft
   1225          * input window.
   1226          */
   1227         public static final int SOFT_INPUT_MASK_ADJUST = 0xf0;
   1228 
   1229         /** Adjustment option for {@link #softInputMode}: nothing specified.
   1230          * The system will try to pick one or
   1231          * the other depending on the contents of the window.
   1232          */
   1233         public static final int SOFT_INPUT_ADJUST_UNSPECIFIED = 0x00;
   1234 
   1235         /** Adjustment option for {@link #softInputMode}: set to allow the
   1236          * window to be resized when an input
   1237          * method is shown, so that its contents are not covered by the input
   1238          * method.  This can <em>not</em> be combined with
   1239          * {@link #SOFT_INPUT_ADJUST_PAN}; if
   1240          * neither of these are set, then the system will try to pick one or
   1241          * the other depending on the contents of the window. If the window's
   1242          * layout parameter flags include {@link #FLAG_FULLSCREEN}, this
   1243          * value for {@link #softInputMode} will be ignored; the window will
   1244          * not resize, but will stay fullscreen.
   1245          */
   1246         public static final int SOFT_INPUT_ADJUST_RESIZE = 0x10;
   1247 
   1248         /** Adjustment option for {@link #softInputMode}: set to have a window
   1249          * pan when an input method is
   1250          * shown, so it doesn't need to deal with resizing but just panned
   1251          * by the framework to ensure the current input focus is visible.  This
   1252          * can <em>not</em> be combined with {@link #SOFT_INPUT_ADJUST_RESIZE}; if
   1253          * neither of these are set, then the system will try to pick one or
   1254          * the other depending on the contents of the window.
   1255          */
   1256         public static final int SOFT_INPUT_ADJUST_PAN = 0x20;
   1257 
   1258         /** Adjustment option for {@link #softInputMode}: set to have a window
   1259          * not adjust for a shown input method.  The window will not be resized,
   1260          * and it will not be panned to make its focus visible.
   1261          */
   1262         public static final int SOFT_INPUT_ADJUST_NOTHING = 0x30;
   1263 
   1264         /**
   1265          * Bit for {@link #softInputMode}: set when the user has navigated
   1266          * forward to the window.  This is normally set automatically for
   1267          * you by the system, though you may want to set it in certain cases
   1268          * when you are displaying a window yourself.  This flag will always
   1269          * be cleared automatically after the window is displayed.
   1270          */
   1271         public static final int SOFT_INPUT_IS_FORWARD_NAVIGATION = 0x100;
   1272 
   1273         /**
   1274          * Desired operating mode for any soft input area.  May be any combination
   1275          * of:
   1276          *
   1277          * <ul>
   1278          * <li> One of the visibility states
   1279          * {@link #SOFT_INPUT_STATE_UNSPECIFIED}, {@link #SOFT_INPUT_STATE_UNCHANGED},
   1280          * {@link #SOFT_INPUT_STATE_HIDDEN}, {@link #SOFT_INPUT_STATE_ALWAYS_VISIBLE}, or
   1281          * {@link #SOFT_INPUT_STATE_VISIBLE}.
   1282          * <li> One of the adjustment options
   1283          * {@link #SOFT_INPUT_ADJUST_UNSPECIFIED},
   1284          * {@link #SOFT_INPUT_ADJUST_RESIZE}, or
   1285          * {@link #SOFT_INPUT_ADJUST_PAN}.
   1286          * </ul>
   1287          *
   1288          *
   1289          * <p>This flag can be controlled in your theme through the
   1290          * {@link android.R.attr#windowSoftInputMode} attribute.</p>
   1291          */
   1292         public int softInputMode;
   1293 
   1294         /**
   1295          * Placement of window within the screen as per {@link Gravity}.  Both
   1296          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1297          * android.graphics.Rect) Gravity.apply} and
   1298          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
   1299          * Gravity.applyDisplay} are used during window layout, with this value
   1300          * given as the desired gravity.  For example you can specify
   1301          * {@link Gravity#DISPLAY_CLIP_HORIZONTAL Gravity.DISPLAY_CLIP_HORIZONTAL} and
   1302          * {@link Gravity#DISPLAY_CLIP_VERTICAL Gravity.DISPLAY_CLIP_VERTICAL} here
   1303          * to control the behavior of
   1304          * {@link Gravity#applyDisplay(int, android.graphics.Rect, android.graphics.Rect)
   1305          * Gravity.applyDisplay}.
   1306          *
   1307          * @see Gravity
   1308          */
   1309         public int gravity;
   1310 
   1311         /**
   1312          * The horizontal margin, as a percentage of the container's width,
   1313          * between the container and the widget.  See
   1314          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1315          * android.graphics.Rect) Gravity.apply} for how this is used.  This
   1316          * field is added with {@link #x} to supply the <var>xAdj</var> parameter.
   1317          */
   1318         public float horizontalMargin;
   1319 
   1320         /**
   1321          * The vertical margin, as a percentage of the container's height,
   1322          * between the container and the widget.  See
   1323          * {@link Gravity#apply(int, int, int, android.graphics.Rect, int, int,
   1324          * android.graphics.Rect) Gravity.apply} for how this is used.  This
   1325          * field is added with {@link #y} to supply the <var>yAdj</var> parameter.
   1326          */
   1327         public float verticalMargin;
   1328 
   1329         /**
   1330          * Positive insets between the drawing surface and window content.
   1331          *
   1332          * @hide
   1333          */
   1334         public final Rect surfaceInsets = new Rect();
   1335 
   1336         /**
   1337          * The desired bitmap format.  May be one of the constants in
   1338          * {@link android.graphics.PixelFormat}.  Default is OPAQUE.
   1339          */
   1340         public int format;
   1341 
   1342         /**
   1343          * A style resource defining the animations to use for this window.
   1344          * This must be a system resource; it can not be an application resource
   1345          * because the window manager does not have access to applications.
   1346          */
   1347         public int windowAnimations;
   1348 
   1349         /**
   1350          * An alpha value to apply to this entire window.
   1351          * An alpha of 1.0 means fully opaque and 0.0 means fully transparent
   1352          */
   1353         public float alpha = 1.0f;
   1354 
   1355         /**
   1356          * When {@link #FLAG_DIM_BEHIND} is set, this is the amount of dimming
   1357          * to apply.  Range is from 1.0 for completely opaque to 0.0 for no
   1358          * dim.
   1359          */
   1360         public float dimAmount = 1.0f;
   1361 
   1362         /**
   1363          * Default value for {@link #screenBrightness} and {@link #buttonBrightness}
   1364          * indicating that the brightness value is not overridden for this window
   1365          * and normal brightness policy should be used.
   1366          */
   1367         public static final float BRIGHTNESS_OVERRIDE_NONE = -1.0f;
   1368 
   1369         /**
   1370          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
   1371          * indicating that the screen or button backlight brightness should be set
   1372          * to the lowest value when this window is in front.
   1373          */
   1374         public static final float BRIGHTNESS_OVERRIDE_OFF = 0.0f;
   1375 
   1376         /**
   1377          * Value for {@link #screenBrightness} and {@link #buttonBrightness}
   1378          * indicating that the screen or button backlight brightness should be set
   1379          * to the hightest value when this window is in front.
   1380          */
   1381         public static final float BRIGHTNESS_OVERRIDE_FULL = 1.0f;
   1382 
   1383         /**
   1384          * This can be used to override the user's preferred brightness of
   1385          * the screen.  A value of less than 0, the default, means to use the
   1386          * preferred screen brightness.  0 to 1 adjusts the brightness from
   1387          * dark to full bright.
   1388          */
   1389         public float screenBrightness = BRIGHTNESS_OVERRIDE_NONE;
   1390 
   1391         /**
   1392          * This can be used to override the standard behavior of the button and
   1393          * keyboard backlights.  A value of less than 0, the default, means to
   1394          * use the standard backlight behavior.  0 to 1 adjusts the brightness
   1395          * from dark to full bright.
   1396          */
   1397         public float buttonBrightness = BRIGHTNESS_OVERRIDE_NONE;
   1398 
   1399         /**
   1400          * Value for {@link #rotationAnimation} to define the animation used to
   1401          * specify that this window will rotate in or out following a rotation.
   1402          */
   1403         public static final int ROTATION_ANIMATION_ROTATE = 0;
   1404 
   1405         /**
   1406          * Value for {@link #rotationAnimation} to define the animation used to
   1407          * specify that this window will fade in or out following a rotation.
   1408          */
   1409         public static final int ROTATION_ANIMATION_CROSSFADE = 1;
   1410 
   1411         /**
   1412          * Value for {@link #rotationAnimation} to define the animation used to
   1413          * specify that this window will immediately disappear or appear following
   1414          * a rotation.
   1415          */
   1416         public static final int ROTATION_ANIMATION_JUMPCUT = 2;
   1417 
   1418         /**
   1419          * Define the exit and entry animations used on this window when the device is rotated.
   1420          * This only has an affect if the incoming and outgoing topmost
   1421          * opaque windows have the #FLAG_FULLSCREEN bit set and are not covered
   1422          * by other windows. All other situations default to the
   1423          * {@link #ROTATION_ANIMATION_ROTATE} behavior.
   1424          *
   1425          * @see #ROTATION_ANIMATION_ROTATE
   1426          * @see #ROTATION_ANIMATION_CROSSFADE
   1427          * @see #ROTATION_ANIMATION_JUMPCUT
   1428          */
   1429         public int rotationAnimation = ROTATION_ANIMATION_ROTATE;
   1430 
   1431         /**
   1432          * Identifier for this window.  This will usually be filled in for
   1433          * you.
   1434          */
   1435         public IBinder token = null;
   1436 
   1437         /**
   1438          * Name of the package owning this window.
   1439          */
   1440         public String packageName = null;
   1441 
   1442         /**
   1443          * Specific orientation value for a window.
   1444          * May be any of the same values allowed
   1445          * for {@link android.content.pm.ActivityInfo#screenOrientation}.
   1446          * If not set, a default value of
   1447          * {@link android.content.pm.ActivityInfo#SCREEN_ORIENTATION_UNSPECIFIED}
   1448          * will be used.
   1449          */
   1450         public int screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
   1451 
   1452         /**
   1453          * The preferred refresh rate for the window.
   1454          *
   1455          * This must be one of the supported refresh rates obtained for the display(s) the window
   1456          * is on.
   1457          *
   1458          * @see Display#getSupportedRefreshRates()
   1459          */
   1460         public float preferredRefreshRate;
   1461 
   1462         /**
   1463          * Control the visibility of the status bar.
   1464          *
   1465          * @see View#STATUS_BAR_VISIBLE
   1466          * @see View#STATUS_BAR_HIDDEN
   1467          */
   1468         public int systemUiVisibility;
   1469 
   1470         /**
   1471          * @hide
   1472          * The ui visibility as requested by the views in this hierarchy.
   1473          * the combined value should be systemUiVisibility | subtreeSystemUiVisibility.
   1474          */
   1475         public int subtreeSystemUiVisibility;
   1476 
   1477         /**
   1478          * Get callbacks about the system ui visibility changing.
   1479          *
   1480          * TODO: Maybe there should be a bitfield of optional callbacks that we need.
   1481          *
   1482          * @hide
   1483          */
   1484         public boolean hasSystemUiListeners;
   1485 
   1486         /**
   1487          * When this window has focus, disable touch pad pointer gesture processing.
   1488          * The window will receive raw position updates from the touch pad instead
   1489          * of pointer movements and synthetic touch events.
   1490          *
   1491          * @hide
   1492          */
   1493         public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001;
   1494 
   1495         /**
   1496          * Does not construct an input channel for this window.  The channel will therefore
   1497          * be incapable of receiving input.
   1498          *
   1499          * @hide
   1500          */
   1501         public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002;
   1502 
   1503         /**
   1504          * When this window has focus, does not call user activity for all input events so
   1505          * the application will have to do it itself.  Should only be used by
   1506          * the keyguard and phone app.
   1507          * <p>
   1508          * Should only be used by the keyguard and phone app.
   1509          * </p>
   1510          *
   1511          * @hide
   1512          */
   1513         public static final int INPUT_FEATURE_DISABLE_USER_ACTIVITY = 0x00000004;
   1514 
   1515         /**
   1516          * Control special features of the input subsystem.
   1517          *
   1518          * @see #INPUT_FEATURE_DISABLE_POINTER_GESTURES
   1519          * @see #INPUT_FEATURE_NO_INPUT_CHANNEL
   1520          * @see #INPUT_FEATURE_DISABLE_USER_ACTIVITY
   1521          * @hide
   1522          */
   1523         public int inputFeatures;
   1524 
   1525         /**
   1526          * Sets the number of milliseconds before the user activity timeout occurs
   1527          * when this window has focus.  A value of -1 uses the standard timeout.
   1528          * A value of 0 uses the minimum support display timeout.
   1529          * <p>
   1530          * This property can only be used to reduce the user specified display timeout;
   1531          * it can never make the timeout longer than it normally would be.
   1532          * </p><p>
   1533          * Should only be used by the keyguard and phone app.
   1534          * </p>
   1535          *
   1536          * @hide
   1537          */
   1538         public long userActivityTimeout = -1;
   1539 
   1540         public LayoutParams() {
   1541             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1542             type = TYPE_APPLICATION;
   1543             format = PixelFormat.OPAQUE;
   1544         }
   1545 
   1546         public LayoutParams(int _type) {
   1547             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1548             type = _type;
   1549             format = PixelFormat.OPAQUE;
   1550         }
   1551 
   1552         public LayoutParams(int _type, int _flags) {
   1553             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1554             type = _type;
   1555             flags = _flags;
   1556             format = PixelFormat.OPAQUE;
   1557         }
   1558 
   1559         public LayoutParams(int _type, int _flags, int _format) {
   1560             super(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
   1561             type = _type;
   1562             flags = _flags;
   1563             format = _format;
   1564         }
   1565 
   1566         public LayoutParams(int w, int h, int _type, int _flags, int _format) {
   1567             super(w, h);
   1568             type = _type;
   1569             flags = _flags;
   1570             format = _format;
   1571         }
   1572 
   1573         public LayoutParams(int w, int h, int xpos, int ypos, int _type,
   1574                 int _flags, int _format) {
   1575             super(w, h);
   1576             x = xpos;
   1577             y = ypos;
   1578             type = _type;
   1579             flags = _flags;
   1580             format = _format;
   1581         }
   1582 
   1583         public final void setTitle(CharSequence title) {
   1584             if (null == title)
   1585                 title = "";
   1586 
   1587             mTitle = TextUtils.stringOrSpannedString(title);
   1588         }
   1589 
   1590         public final CharSequence getTitle() {
   1591             return mTitle;
   1592         }
   1593 
   1594         public int describeContents() {
   1595             return 0;
   1596         }
   1597 
   1598         public void writeToParcel(Parcel out, int parcelableFlags) {
   1599             out.writeInt(width);
   1600             out.writeInt(height);
   1601             out.writeInt(x);
   1602             out.writeInt(y);
   1603             out.writeInt(type);
   1604             out.writeInt(flags);
   1605             out.writeInt(privateFlags);
   1606             out.writeInt(softInputMode);
   1607             out.writeInt(gravity);
   1608             out.writeFloat(horizontalMargin);
   1609             out.writeFloat(verticalMargin);
   1610             out.writeInt(format);
   1611             out.writeInt(windowAnimations);
   1612             out.writeFloat(alpha);
   1613             out.writeFloat(dimAmount);
   1614             out.writeFloat(screenBrightness);
   1615             out.writeFloat(buttonBrightness);
   1616             out.writeInt(rotationAnimation);
   1617             out.writeStrongBinder(token);
   1618             out.writeString(packageName);
   1619             TextUtils.writeToParcel(mTitle, out, parcelableFlags);
   1620             out.writeInt(screenOrientation);
   1621             out.writeFloat(preferredRefreshRate);
   1622             out.writeInt(systemUiVisibility);
   1623             out.writeInt(subtreeSystemUiVisibility);
   1624             out.writeInt(hasSystemUiListeners ? 1 : 0);
   1625             out.writeInt(inputFeatures);
   1626             out.writeLong(userActivityTimeout);
   1627             out.writeInt(surfaceInsets.left);
   1628             out.writeInt(surfaceInsets.top);
   1629             out.writeInt(surfaceInsets.right);
   1630             out.writeInt(surfaceInsets.bottom);
   1631             out.writeInt(needsMenuKey);
   1632         }
   1633 
   1634         public static final Parcelable.Creator<LayoutParams> CREATOR
   1635                     = new Parcelable.Creator<LayoutParams>() {
   1636             public LayoutParams createFromParcel(Parcel in) {
   1637                 return new LayoutParams(in);
   1638             }
   1639 
   1640             public LayoutParams[] newArray(int size) {
   1641                 return new LayoutParams[size];
   1642             }
   1643         };
   1644 
   1645 
   1646         public LayoutParams(Parcel in) {
   1647             width = in.readInt();
   1648             height = in.readInt();
   1649             x = in.readInt();
   1650             y = in.readInt();
   1651             type = in.readInt();
   1652             flags = in.readInt();
   1653             privateFlags = in.readInt();
   1654             softInputMode = in.readInt();
   1655             gravity = in.readInt();
   1656             horizontalMargin = in.readFloat();
   1657             verticalMargin = in.readFloat();
   1658             format = in.readInt();
   1659             windowAnimations = in.readInt();
   1660             alpha = in.readFloat();
   1661             dimAmount = in.readFloat();
   1662             screenBrightness = in.readFloat();
   1663             buttonBrightness = in.readFloat();
   1664             rotationAnimation = in.readInt();
   1665             token = in.readStrongBinder();
   1666             packageName = in.readString();
   1667             mTitle = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
   1668             screenOrientation = in.readInt();
   1669             preferredRefreshRate = in.readFloat();
   1670             systemUiVisibility = in.readInt();
   1671             subtreeSystemUiVisibility = in.readInt();
   1672             hasSystemUiListeners = in.readInt() != 0;
   1673             inputFeatures = in.readInt();
   1674             userActivityTimeout = in.readLong();
   1675             surfaceInsets.left = in.readInt();
   1676             surfaceInsets.top = in.readInt();
   1677             surfaceInsets.right = in.readInt();
   1678             surfaceInsets.bottom = in.readInt();
   1679             needsMenuKey = in.readInt();
   1680         }
   1681 
   1682         @SuppressWarnings({"PointlessBitwiseExpression"})
   1683         public static final int LAYOUT_CHANGED = 1<<0;
   1684         public static final int TYPE_CHANGED = 1<<1;
   1685         public static final int FLAGS_CHANGED = 1<<2;
   1686         public static final int FORMAT_CHANGED = 1<<3;
   1687         public static final int ANIMATION_CHANGED = 1<<4;
   1688         public static final int DIM_AMOUNT_CHANGED = 1<<5;
   1689         public static final int TITLE_CHANGED = 1<<6;
   1690         public static final int ALPHA_CHANGED = 1<<7;
   1691         public static final int MEMORY_TYPE_CHANGED = 1<<8;
   1692         public static final int SOFT_INPUT_MODE_CHANGED = 1<<9;
   1693         public static final int SCREEN_ORIENTATION_CHANGED = 1<<10;
   1694         public static final int SCREEN_BRIGHTNESS_CHANGED = 1<<11;
   1695         public static final int ROTATION_ANIMATION_CHANGED = 1<<12;
   1696         /** {@hide} */
   1697         public static final int BUTTON_BRIGHTNESS_CHANGED = 1<<13;
   1698         /** {@hide} */
   1699         public static final int SYSTEM_UI_VISIBILITY_CHANGED = 1<<14;
   1700         /** {@hide} */
   1701         public static final int SYSTEM_UI_LISTENER_CHANGED = 1<<15;
   1702         /** {@hide} */
   1703         public static final int INPUT_FEATURES_CHANGED = 1<<16;
   1704         /** {@hide} */
   1705         public static final int PRIVATE_FLAGS_CHANGED = 1<<17;
   1706         /** {@hide} */
   1707         public static final int USER_ACTIVITY_TIMEOUT_CHANGED = 1<<18;
   1708         /** {@hide} */
   1709         public static final int TRANSLUCENT_FLAGS_CHANGED = 1<<19;
   1710         /** {@hide} */
   1711         public static final int SURFACE_INSETS_CHANGED = 1<<20;
   1712         /** {@hide} */
   1713         public static final int PREFERRED_REFRESH_RATE_CHANGED = 1 << 21;
   1714         /** {@hide} */
   1715         public static final int NEEDS_MENU_KEY_CHANGED = 1 << 22;
   1716         /** {@hide} */
   1717         public static final int EVERYTHING_CHANGED = 0xffffffff;
   1718 
   1719         // internal buffer to backup/restore parameters under compatibility mode.
   1720         private int[] mCompatibilityParamsBackup = null;
   1721 
   1722         public final int copyFrom(LayoutParams o) {
   1723             int changes = 0;
   1724 
   1725             if (width != o.width) {
   1726                 width = o.width;
   1727                 changes |= LAYOUT_CHANGED;
   1728             }
   1729             if (height != o.height) {
   1730                 height = o.height;
   1731                 changes |= LAYOUT_CHANGED;
   1732             }
   1733             if (x != o.x) {
   1734                 x = o.x;
   1735                 changes |= LAYOUT_CHANGED;
   1736             }
   1737             if (y != o.y) {
   1738                 y = o.y;
   1739                 changes |= LAYOUT_CHANGED;
   1740             }
   1741             if (horizontalWeight != o.horizontalWeight) {
   1742                 horizontalWeight = o.horizontalWeight;
   1743                 changes |= LAYOUT_CHANGED;
   1744             }
   1745             if (verticalWeight != o.verticalWeight) {
   1746                 verticalWeight = o.verticalWeight;
   1747                 changes |= LAYOUT_CHANGED;
   1748             }
   1749             if (horizontalMargin != o.horizontalMargin) {
   1750                 horizontalMargin = o.horizontalMargin;
   1751                 changes |= LAYOUT_CHANGED;
   1752             }
   1753             if (verticalMargin != o.verticalMargin) {
   1754                 verticalMargin = o.verticalMargin;
   1755                 changes |= LAYOUT_CHANGED;
   1756             }
   1757             if (type != o.type) {
   1758                 type = o.type;
   1759                 changes |= TYPE_CHANGED;
   1760             }
   1761             if (flags != o.flags) {
   1762                 final int diff = flags ^ o.flags;
   1763                 if ((diff & (FLAG_TRANSLUCENT_STATUS | FLAG_TRANSLUCENT_NAVIGATION)) != 0) {
   1764                     changes |= TRANSLUCENT_FLAGS_CHANGED;
   1765                 }
   1766                 flags = o.flags;
   1767                 changes |= FLAGS_CHANGED;
   1768             }
   1769             if (privateFlags != o.privateFlags) {
   1770                 privateFlags = o.privateFlags;
   1771                 changes |= PRIVATE_FLAGS_CHANGED;
   1772             }
   1773             if (softInputMode != o.softInputMode) {
   1774                 softInputMode = o.softInputMode;
   1775                 changes |= SOFT_INPUT_MODE_CHANGED;
   1776             }
   1777             if (gravity != o.gravity) {
   1778                 gravity = o.gravity;
   1779                 changes |= LAYOUT_CHANGED;
   1780             }
   1781             if (format != o.format) {
   1782                 format = o.format;
   1783                 changes |= FORMAT_CHANGED;
   1784             }
   1785             if (windowAnimations != o.windowAnimations) {
   1786                 windowAnimations = o.windowAnimations;
   1787                 changes |= ANIMATION_CHANGED;
   1788             }
   1789             if (token == null) {
   1790                 // NOTE: token only copied if the recipient doesn't
   1791                 // already have one.
   1792                 token = o.token;
   1793             }
   1794             if (packageName == null) {
   1795                 // NOTE: packageName only copied if the recipient doesn't
   1796                 // already have one.
   1797                 packageName = o.packageName;
   1798             }
   1799             if (!mTitle.equals(o.mTitle)) {
   1800                 mTitle = o.mTitle;
   1801                 changes |= TITLE_CHANGED;
   1802             }
   1803             if (alpha != o.alpha) {
   1804                 alpha = o.alpha;
   1805                 changes |= ALPHA_CHANGED;
   1806             }
   1807             if (dimAmount != o.dimAmount) {
   1808                 dimAmount = o.dimAmount;
   1809                 changes |= DIM_AMOUNT_CHANGED;
   1810             }
   1811             if (screenBrightness != o.screenBrightness) {
   1812                 screenBrightness = o.screenBrightness;
   1813                 changes |= SCREEN_BRIGHTNESS_CHANGED;
   1814             }
   1815             if (buttonBrightness != o.buttonBrightness) {
   1816                 buttonBrightness = o.buttonBrightness;
   1817                 changes |= BUTTON_BRIGHTNESS_CHANGED;
   1818             }
   1819             if (rotationAnimation != o.rotationAnimation) {
   1820                 rotationAnimation = o.rotationAnimation;
   1821                 changes |= ROTATION_ANIMATION_CHANGED;
   1822             }
   1823 
   1824             if (screenOrientation != o.screenOrientation) {
   1825                 screenOrientation = o.screenOrientation;
   1826                 changes |= SCREEN_ORIENTATION_CHANGED;
   1827             }
   1828 
   1829             if (preferredRefreshRate != o.preferredRefreshRate) {
   1830                 preferredRefreshRate = o.preferredRefreshRate;
   1831                 changes |= PREFERRED_REFRESH_RATE_CHANGED;
   1832             }
   1833 
   1834             if (systemUiVisibility != o.systemUiVisibility
   1835                     || subtreeSystemUiVisibility != o.subtreeSystemUiVisibility) {
   1836                 systemUiVisibility = o.systemUiVisibility;
   1837                 subtreeSystemUiVisibility = o.subtreeSystemUiVisibility;
   1838                 changes |= SYSTEM_UI_VISIBILITY_CHANGED;
   1839             }
   1840 
   1841             if (hasSystemUiListeners != o.hasSystemUiListeners) {
   1842                 hasSystemUiListeners = o.hasSystemUiListeners;
   1843                 changes |= SYSTEM_UI_LISTENER_CHANGED;
   1844             }
   1845 
   1846             if (inputFeatures != o.inputFeatures) {
   1847                 inputFeatures = o.inputFeatures;
   1848                 changes |= INPUT_FEATURES_CHANGED;
   1849             }
   1850 
   1851             if (userActivityTimeout != o.userActivityTimeout) {
   1852                 userActivityTimeout = o.userActivityTimeout;
   1853                 changes |= USER_ACTIVITY_TIMEOUT_CHANGED;
   1854             }
   1855 
   1856             if (!surfaceInsets.equals(o.surfaceInsets)) {
   1857                 surfaceInsets.set(o.surfaceInsets);
   1858                 changes |= SURFACE_INSETS_CHANGED;
   1859             }
   1860 
   1861             if (needsMenuKey != o.needsMenuKey) {
   1862                 needsMenuKey = o.needsMenuKey;
   1863                 changes |= NEEDS_MENU_KEY_CHANGED;
   1864             }
   1865 
   1866             return changes;
   1867         }
   1868 
   1869         @Override
   1870         public String debug(String output) {
   1871             output += "Contents of " + this + ":";
   1872             Log.d("Debug", output);
   1873             output = super.debug("");
   1874             Log.d("Debug", output);
   1875             Log.d("Debug", "");
   1876             Log.d("Debug", "WindowManager.LayoutParams={title=" + mTitle + "}");
   1877             return "";
   1878         }
   1879 
   1880         @Override
   1881         public String toString() {
   1882             StringBuilder sb = new StringBuilder(256);
   1883             sb.append("WM.LayoutParams{");
   1884             sb.append("(");
   1885             sb.append(x);
   1886             sb.append(',');
   1887             sb.append(y);
   1888             sb.append(")(");
   1889             sb.append((width== MATCH_PARENT ?"fill":(width==WRAP_CONTENT?"wrap":width)));
   1890             sb.append('x');
   1891             sb.append((height== MATCH_PARENT ?"fill":(height==WRAP_CONTENT?"wrap":height)));
   1892             sb.append(")");
   1893             if (horizontalMargin != 0) {
   1894                 sb.append(" hm=");
   1895                 sb.append(horizontalMargin);
   1896             }
   1897             if (verticalMargin != 0) {
   1898                 sb.append(" vm=");
   1899                 sb.append(verticalMargin);
   1900             }
   1901             if (gravity != 0) {
   1902                 sb.append(" gr=#");
   1903                 sb.append(Integer.toHexString(gravity));
   1904             }
   1905             if (softInputMode != 0) {
   1906                 sb.append(" sim=#");
   1907                 sb.append(Integer.toHexString(softInputMode));
   1908             }
   1909             sb.append(" ty=");
   1910             sb.append(type);
   1911             sb.append(" fl=#");
   1912             sb.append(Integer.toHexString(flags));
   1913             if (privateFlags != 0) {
   1914                 if ((privateFlags & PRIVATE_FLAG_COMPATIBLE_WINDOW) != 0) {
   1915                     sb.append(" compatible=true");
   1916                 }
   1917                 sb.append(" pfl=0x").append(Integer.toHexString(privateFlags));
   1918             }
   1919             if (format != PixelFormat.OPAQUE) {
   1920                 sb.append(" fmt=");
   1921                 sb.append(format);
   1922             }
   1923             if (windowAnimations != 0) {
   1924                 sb.append(" wanim=0x");
   1925                 sb.append(Integer.toHexString(windowAnimations));
   1926             }
   1927             if (screenOrientation != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
   1928                 sb.append(" or=");
   1929                 sb.append(screenOrientation);
   1930             }
   1931             if (alpha != 1.0f) {
   1932                 sb.append(" alpha=");
   1933                 sb.append(alpha);
   1934             }
   1935             if (screenBrightness != BRIGHTNESS_OVERRIDE_NONE) {
   1936                 sb.append(" sbrt=");
   1937                 sb.append(screenBrightness);
   1938             }
   1939             if (buttonBrightness != BRIGHTNESS_OVERRIDE_NONE) {
   1940                 sb.append(" bbrt=");
   1941                 sb.append(buttonBrightness);
   1942             }
   1943             if (rotationAnimation != ROTATION_ANIMATION_ROTATE) {
   1944                 sb.append(" rotAnim=");
   1945                 sb.append(rotationAnimation);
   1946             }
   1947             if (preferredRefreshRate != 0) {
   1948                 sb.append(" preferredRefreshRate=");
   1949                 sb.append(preferredRefreshRate);
   1950             }
   1951             if (systemUiVisibility != 0) {
   1952                 sb.append(" sysui=0x");
   1953                 sb.append(Integer.toHexString(systemUiVisibility));
   1954             }
   1955             if (subtreeSystemUiVisibility != 0) {
   1956                 sb.append(" vsysui=0x");
   1957                 sb.append(Integer.toHexString(subtreeSystemUiVisibility));
   1958             }
   1959             if (hasSystemUiListeners) {
   1960                 sb.append(" sysuil=");
   1961                 sb.append(hasSystemUiListeners);
   1962             }
   1963             if (inputFeatures != 0) {
   1964                 sb.append(" if=0x").append(Integer.toHexString(inputFeatures));
   1965             }
   1966             if (userActivityTimeout >= 0) {
   1967                 sb.append(" userActivityTimeout=").append(userActivityTimeout);
   1968             }
   1969             if (!surfaceInsets.equals(Insets.NONE)) {
   1970                 sb.append(" surfaceInsets=").append(surfaceInsets);
   1971             }
   1972             if (needsMenuKey != NEEDS_MENU_UNSET) {
   1973                 sb.append(" needsMenuKey=");
   1974                 sb.append(needsMenuKey);
   1975             }
   1976             sb.append('}');
   1977             return sb.toString();
   1978         }
   1979 
   1980         /**
   1981          * Scale the layout params' coordinates and size.
   1982          * @hide
   1983          */
   1984         public void scale(float scale) {
   1985             x = (int) (x * scale + 0.5f);
   1986             y = (int) (y * scale + 0.5f);
   1987             if (width > 0) {
   1988                 width = (int) (width * scale + 0.5f);
   1989             }
   1990             if (height > 0) {
   1991                 height = (int) (height * scale + 0.5f);
   1992             }
   1993         }
   1994 
   1995         /**
   1996          * Backup the layout parameters used in compatibility mode.
   1997          * @see LayoutParams#restore()
   1998          */
   1999         void backup() {
   2000             int[] backup = mCompatibilityParamsBackup;
   2001             if (backup == null) {
   2002                 // we backup 4 elements, x, y, width, height
   2003                 backup = mCompatibilityParamsBackup = new int[4];
   2004             }
   2005             backup[0] = x;
   2006             backup[1] = y;
   2007             backup[2] = width;
   2008             backup[3] = height;
   2009         }
   2010 
   2011         /**
   2012          * Restore the layout params' coordinates, size and gravity
   2013          * @see LayoutParams#backup()
   2014          */
   2015         void restore() {
   2016             int[] backup = mCompatibilityParamsBackup;
   2017             if (backup != null) {
   2018                 x = backup[0];
   2019                 y = backup[1];
   2020                 width = backup[2];
   2021                 height = backup[3];
   2022             }
   2023         }
   2024 
   2025         private CharSequence mTitle = "";
   2026     }
   2027 }
   2028