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Added in API level 1

Window

public abstract class Window
extends Object

java.lang.Object
↳	android.view.Window

Abstract base class for a top-level window look and behavior policy. An instance of this class should be used as the top-level view added to the window manager. It provides standard UI policies such as a background, title area, default key processing, etc.

The only existing implementation of this abstract class is android.view.PhoneWindow, which you should instantiate when needing a Window.

Summary

Nested classes
`interface`	`Window.Callback` API from a Window back to its caller.
`interface`	`Window.OnFrameMetricsAvailableListener` Callback for clients that want frame timing information for each frame rendered by the Window.
`interface`	`Window.OnRestrictedCaptionAreaChangedListener` Callback for clients that want to be aware of where caption draws content.

XML attributes
`android:windowAllowEnterTransitionOverlap`	Flag indicating whether this Window's transition should overlap with the exiting transition of the calling Activity.
`android:windowAllowReturnTransitionOverlap`	Flag indicating whether this Window's transition should overlap with the exiting transition of the called Activity when the called Activity finishes.
`android:windowContentTransitionManager`	Reference to a TransitionManager XML resource defining the desired transitions between different window content.
`android:windowEnterTransition`	Reference to a Transition XML resource defining the desired Transition used to move Views into the initial Window's content Scene.
`android:windowExitTransition`	Reference to a Transition XML resource defining the desired Transition used to move Views out of the Window's content Scene when launching a new Activity.
`android:windowReenterTransition`	Reference to a Transition XML resource defining the desired Transition used to move Views in to the scene when returning from a previously-started Activity.
`android:windowReturnTransition`	Reference to a Transition XML resource defining the desired Transition used to move Views out of the scene when the Window is preparing to close.
`android:windowSharedElementEnterTransition`	Reference to a Transition XML resource defining the desired Transition used to move shared elements transferred into the Window's initial content Scene.
`android:windowSharedElementExitTransition`	Reference to a Transition XML resource defining the desired Transition used when starting a new Activity to move shared elements prior to transferring to the called Activity.
`android:windowSharedElementReenterTransition`	Reference to a Transition XML resource defining the desired Transition used for shared elements transferred back to a calling Activity.
`android:windowSharedElementReturnTransition`	Reference to a Transition XML resource defining the desired Transition used to move shared elements transferred back to a calling Activity.
`android:windowSharedElementsUseOverlay`	Indicates whether or not shared elements should use an overlay during transitions.
`android:windowTransitionBackgroundFadeDuration`	The duration, in milliseconds, of the window background fade duration when transitioning into or away from an Activity when called with an Activity Transition.

Constants
`int`	`DECOR_CAPTION_SHADE_AUTO` Flag for letting the theme drive the color of the window caption controls.
`int`	`DECOR_CAPTION_SHADE_DARK` Flag for setting dark-color controls on the window caption.
`int`	`DECOR_CAPTION_SHADE_LIGHT` Flag for setting light-color controls on the window caption.
`int`	`DEFAULT_FEATURES` This constant was deprecated in API level 22. use `getDefaultFeatures(android.content.Context)` instead.
`int`	`FEATURE_ACTION_BAR` Flag for enabling the Action Bar.
`int`	`FEATURE_ACTION_BAR_OVERLAY` Flag for requesting an Action Bar that overlays window content.
`int`	`FEATURE_ACTION_MODE_OVERLAY` Flag for specifying the behavior of action modes when an Action Bar is not present.
`int`	`FEATURE_ACTIVITY_TRANSITIONS` Enables Activities to run Activity Transitions either through sending or receiving ActivityOptions bundle created with `makeSceneTransitionAnimation(android.app.Activity, android.util.Pair[])` or `makeSceneTransitionAnimation(android.app.Activity, View, String)`.
`int`	`FEATURE_CONTENT_TRANSITIONS` Flag for requesting that window content changes should be animated using a TransitionManager.
`int`	`FEATURE_CONTEXT_MENU` Flag for the context menu.
`int`	`FEATURE_CUSTOM_TITLE` Flag for custom title.
`int`	`FEATURE_INDETERMINATE_PROGRESS` This constant was deprecated in API level 24. No longer supported starting in API 21.
`int`	`FEATURE_LEFT_ICON` Flag for having an icon on the left side of the title bar
`int`	`FEATURE_NO_TITLE` Flag for the "no title" feature, turning off the title at the top of the screen.
`int`	`FEATURE_OPTIONS_PANEL` Flag for the "options panel" feature.
`int`	`FEATURE_PROGRESS` This constant was deprecated in API level 24. No longer supported starting in API 21.
`int`	`FEATURE_RIGHT_ICON` Flag for having an icon on the right side of the title bar
`int`	`FEATURE_SWIPE_TO_DISMISS` Flag for requesting a decoration-free window that is dismissed by swiping from the left.
`int`	`ID_ANDROID_CONTENT` The ID that the main layout in the XML layout file should have.
`String`	`NAVIGATION_BAR_BACKGROUND_TRANSITION_NAME` The transitionName for the navigation bar background View when a custom background is used.
`int`	`PROGRESS_END` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_INDETERMINATE_OFF` This constant was deprecated in API level 24. `FEATURE_INDETERMINATE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_INDETERMINATE_ON` This constant was deprecated in API level 24. `FEATURE_INDETERMINATE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_SECONDARY_END` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_SECONDARY_START` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_START` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_VISIBILITY_OFF` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`int`	`PROGRESS_VISIBILITY_ON` This constant was deprecated in API level 24. `FEATURE_PROGRESS` and related methods are no longer supported starting in API 21.
`String`	`STATUS_BAR_BACKGROUND_TRANSITION_NAME` The transitionName for the status bar background View when a custom background is used.

Public constructors
`Window(Context context)`

Public methods
`abstract void`	`addContentView(View view, ViewGroup.LayoutParams params)` Variation on `setContentView(View, android.view.ViewGroup.LayoutParams)` to add an additional content view to the screen.
`void`	`addFlags(int flags)` Convenience function to set the flag bits as specified in flags, as per `setFlags(int, int)`.
`final void`	`addOnFrameMetricsAvailableListener(Window.OnFrameMetricsAvailableListener listener, Handler handler)` Set an observer to collect frame stats for each frame rendererd in this window.
`void`	`clearFlags(int flags)` Convenience function to clear the flag bits as specified in flags, as per `setFlags(int, int)`.
`abstract void`	`closeAllPanels()`
`abstract void`	`closePanel(int featureId)`
`View`	`findViewById(int id)` Finds a view that was identified by the id attribute from the XML that was processed in `onCreate(Bundle)`.
`boolean`	`getAllowEnterTransitionOverlap()` Returns how the transition set in `setEnterTransition(android.transition.Transition)` overlaps with the exit transition of the calling Activity.
`boolean`	`getAllowReturnTransitionOverlap()` Returns how the transition set in `setExitTransition(android.transition.Transition)` overlaps with the exit transition of the called Activity when reentering after if finishes.
`final WindowManager.LayoutParams`	`getAttributes()` Retrieve the current window attributes associated with this panel.
`final Window.Callback`	`getCallback()` Return the current Callback interface for this window.
`final Window`	`getContainer()` Return the container for this Window.
`Scene`	`getContentScene()` Retrieve the `Scene` representing this window's current content.
`final Context`	`getContext()` Return the Context this window policy is running in, for retrieving resources and other information.
`abstract View`	`getCurrentFocus()` Return the view in this Window that currently has focus, or null if there are none.
`abstract View`	`getDecorView()` Retrieve the top-level window decor view (containing the standard window frame/decorations and the client's content inside of that), which can be added as a window to the window manager.
`static int`	`getDefaultFeatures(Context context)` Return the feature bits set by default on a window.
`Transition`	`getEnterTransition()` Returns the transition used to move Views into the initial scene.
`Transition`	`getExitTransition()` Returns the Transition that will be used to move Views out of the scene when starting a new Activity.
`abstract LayoutInflater`	`getLayoutInflater()` Quick access to the `LayoutInflater` instance that this Window retrieved from its Context.
`MediaController`	`getMediaController()` Gets the `MediaController` that was previously set.
`abstract int`	`getNavigationBarColor()`
`Transition`	`getReenterTransition()` Returns the Transition that will be used to move Views in to the scene when returning from a previously-started Activity.
`Transition`	`getReturnTransition()` Returns he Transition that will be used to move Views out of the scene when the Window is preparing to close, for example after a call to `finishAfterTransition()`.
`Transition`	`getSharedElementEnterTransition()` Returns the Transition that will be used for shared elements transferred into the content Scene.
`Transition`	`getSharedElementExitTransition()` Returns the Transition to use for shared elements in the launching Window prior to transferring to the launched Activity's Window.
`Transition`	`getSharedElementReenterTransition()` Returns the Transition that will be used for shared elements reentering from a started Activity after it has returned the shared element to it start location.
`Transition`	`getSharedElementReturnTransition()` Returns the Transition that will be used for shared elements transferred back to a calling Activity.
`boolean`	`getSharedElementsUseOverlay()` Returns `true` when shared elements should use an Overlay during shared element transitions or `false` when they should animate as part of the normal View hierarchy.
`abstract int`	`getStatusBarColor()`
`long`	`getTransitionBackgroundFadeDuration()` Returns the duration, in milliseconds, of the window background fade when transitioning into or away from an Activity when called with an Activity Transition.
`TransitionManager`	`getTransitionManager()` Retrieve the `TransitionManager` responsible for for default transitions in this window.
`abstract int`	`getVolumeControlStream()`
`WindowManager`	`getWindowManager()` Return the window manager allowing this Window to display its own windows.
`final TypedArray`	`getWindowStyle()` Return the `Window` attributes from this window's theme.
`final boolean`	`hasChildren()`
`boolean`	`hasFeature(int feature)` Query for the availability of a certain feature.
`void`	`injectInputEvent(InputEvent event)` Inject an event to window locally.
`abstract void`	`invalidatePanelMenu(int featureId)`
`final boolean`	`isActive()`
`abstract boolean`	`isFloating()` Return whether this window is being displayed with a floating style (based on the `windowIsFloating` attribute in the style/theme).
`abstract boolean`	`isShortcutKey(int keyCode, KeyEvent event)` Is a keypress one of the defined shortcut keys for this window.
`final void`	`makeActive()`
`abstract void`	`onConfigurationChanged(Configuration newConfig)` Should be called when the configuration is changed.
`abstract void`	`openPanel(int featureId, KeyEvent event)`
`abstract View`	`peekDecorView()` Retrieve the current decor view, but only if it has already been created; otherwise returns null.
`abstract boolean`	`performContextMenuIdentifierAction(int id, int flags)`
`abstract boolean`	`performPanelIdentifierAction(int featureId, int id, int flags)`
`abstract boolean`	`performPanelShortcut(int featureId, int keyCode, KeyEvent event, int flags)`
`final void`	`removeOnFrameMetricsAvailableListener(Window.OnFrameMetricsAvailableListener listener)` Remove observer and stop listening to frame stats for this window.
`boolean`	`requestFeature(int featureId)` Enable extended screen features.
`abstract void`	`restoreHierarchyState(Bundle savedInstanceState)`
`abstract Bundle`	`saveHierarchyState()`
`void`	`setAllowEnterTransitionOverlap(boolean allow)` Controls how the transition set in `setEnterTransition(android.transition.Transition)` overlaps with the exit transition of the calling Activity.
`void`	`setAllowReturnTransitionOverlap(boolean allow)` Controls how the transition set in `setExitTransition(android.transition.Transition)` overlaps with the exit transition of the called Activity when reentering after if finishes.
`void`	`setAttributes(WindowManager.LayoutParams a)` Specify custom window attributes.
`abstract void`	`setBackgroundDrawable(Drawable drawable)` Change the background of this window to a custom Drawable.
`void`	`setBackgroundDrawableResource(int resId)` Change the background of this window to a Drawable resource.
`void`	`setCallback(Window.Callback callback)` Set the Callback interface for this window, used to intercept key events and other dynamic operations in the window.
`abstract void`	`setChildDrawable(int featureId, Drawable drawable)`
`abstract void`	`setChildInt(int featureId, int value)`
`void`	`setClipToOutline(boolean clipToOutline)` Sets whether window content should be clipped to the outline of the window background.
`void`	`setContainer(Window container)` Set the container for this window.
`abstract void`	`setContentView(View view, ViewGroup.LayoutParams params)` Set the screen content to an explicit view.
`abstract void`	`setContentView(View view)` Convenience for `setContentView(View, android.view.ViewGroup.LayoutParams)` set the screen content to an explicit view.
`abstract void`	`setContentView(int layoutResID)` Convenience for `setContentView(View, android.view.ViewGroup.LayoutParams)` to set the screen content from a layout resource.
`abstract void`	`setDecorCaptionShade(int decorCaptionShade)` Set what color should the caption controls be.
`void`	`setDimAmount(float amount)` Set the amount of dim behind the window when using `FLAG_DIM_BEHIND`.
`void`	`setElevation(float elevation)` Sets the window elevation.
`void`	`setEnterTransition(Transition transition)` Sets the Transition that will be used to move Views into the initial scene.
`void`	`setExitTransition(Transition transition)` Sets the Transition that will be used to move Views out of the scene when starting a new Activity.
`abstract void`	`setFeatureDrawable(int featureId, Drawable drawable)` Set an explicit Drawable value for feature of this window.
`abstract void`	`setFeatureDrawableAlpha(int featureId, int alpha)` Set a custom alpha value for the given drawable feature, controlling how much the background is visible through it.
`abstract void`	`setFeatureDrawableResource(int featureId, int resId)` Set the value for a drawable feature of this window, from a resource identifier.
`abstract void`	`setFeatureDrawableUri(int featureId, Uri uri)` Set the value for a drawable feature of this window, from a URI.
`abstract void`	`setFeatureInt(int featureId, int value)` Set the integer value for a feature.
`void`	`setFlags(int flags, int mask)` Set the flags of the window, as per the `WindowManager.LayoutParams` flags.
`void`	`setFormat(int format)` Set the format of window, as per the PixelFormat types.
`void`	`setGravity(int gravity)` Set the gravity of the window, as per the Gravity constants.
`void`	`setIcon(int resId)` Set the primary icon for this window.
`void`	`setLayout(int width, int height)` Set the width and height layout parameters of the window.
`void`	`setLocalFocus(boolean hasFocus, boolean inTouchMode)` Set focus locally.
`void`	`setLogo(int resId)` Set the logo for this window.
`void`	`setMediaController(MediaController controller)` Sets a `MediaController` to send media keys and volume changes to.
`abstract void`	`setNavigationBarColor(int color)` Sets the color of the navigation bar to .
`void`	`setReenterTransition(Transition transition)` Sets the Transition that will be used to move Views in to the scene when returning from a previously-started Activity.
`abstract void`	`setResizingCaptionDrawable(Drawable drawable)` Set the drawable that is drawn underneath the caption during the resizing.
`final void`	`setRestrictedCaptionAreaListener(Window.OnRestrictedCaptionAreaChangedListener listener)` Set a callback for changes of area where caption will draw its content.
`void`	`setReturnTransition(Transition transition)` Sets the Transition that will be used to move Views out of the scene when the Window is preparing to close, for example after a call to `finishAfterTransition()`.
`void`	`setSharedElementEnterTransition(Transition transition)` Sets the Transition that will be used for shared elements transferred into the content Scene.
`void`	`setSharedElementExitTransition(Transition transition)` Sets the Transition that will be used for shared elements after starting a new Activity before the shared elements are transferred to the called Activity.
`void`	`setSharedElementReenterTransition(Transition transition)` Sets the Transition that will be used for shared elements reentering from a started Activity after it has returned the shared element to it start location.
`void`	`setSharedElementReturnTransition(Transition transition)` Sets the Transition that will be used for shared elements transferred back to a calling Activity.
`void`	`setSharedElementsUseOverlay(boolean sharedElementsUseOverlay)` Sets whether or not shared elements should use an Overlay during shared element transitions.
`void`	`setSoftInputMode(int mode)` Specify an explicit soft input mode to use for the window, as per `WindowManager.LayoutParams.softInputMode`.
`abstract void`	`setStatusBarColor(int color)` Sets the color of the status bar to `color`.
`void`	`setSustainedPerformanceMode(boolean enable)`
`abstract void`	`setTitle(CharSequence title)`
`abstract void`	`setTitleColor(int textColor)`
`void`	`setTransitionBackgroundFadeDuration(long fadeDurationMillis)` Sets the duration, in milliseconds, of the window background fade when transitioning into or away from an Activity when called with an Activity Transition.
`void`	`setTransitionManager(TransitionManager tm)` Set the `TransitionManager` to use for default transitions in this window.
`void`	`setType(int type)` Set the type of the window, as per the WindowManager.LayoutParams types.
`void`	`setUiOptions(int uiOptions)` Set extra options that will influence the UI for this window.
`void`	`setUiOptions(int uiOptions, int mask)` Set extra options that will influence the UI for this window.
`abstract void`	`setVolumeControlStream(int streamType)`
`void`	`setWindowAnimations(int resId)` Specify custom animations to use for the window, as per `WindowManager.LayoutParams.windowAnimations`.
`void`	`setWindowManager(WindowManager wm, IBinder appToken, String appName)` Set the window manager for use by this Window to, for example, display panels.
`void`	`setWindowManager(WindowManager wm, IBinder appToken, String appName, boolean hardwareAccelerated)` Set the window manager for use by this Window to, for example, display panels.
`abstract boolean`	`superDispatchGenericMotionEvent(MotionEvent event)` Used by custom windows, such as Dialog, to pass the generic motion event further down the view hierarchy.
`abstract boolean`	`superDispatchKeyEvent(KeyEvent event)` Used by custom windows, such as Dialog, to pass the key press event further down the view hierarchy.
`abstract boolean`	`superDispatchKeyShortcutEvent(KeyEvent event)` Used by custom windows, such as Dialog, to pass the key shortcut press event further down the view hierarchy.
`abstract boolean`	`superDispatchTouchEvent(MotionEvent event)` Used by custom windows, such as Dialog, to pass the touch screen event further down the view hierarchy.
`abstract boolean`	`superDispatchTrackballEvent(MotionEvent event)` Used by custom windows, such as Dialog, to pass the trackball event further down the view hierarchy.
`abstract void`	`takeInputQueue(InputQueue.Callback callback)` Take ownership of this window's InputQueue.
`abstract void`	`takeKeyEvents(boolean get)` Request that key events come to this activity.
`abstract void`	`takeSurface(SurfaceHolder.Callback2 callback)` Take ownership of this window's surface.
`abstract void`	`togglePanel(int featureId, KeyEvent event)`

Protected methods
`final int`	`getFeatures()` Return the feature bits that are enabled.
`final int`	`getForcedWindowFlags()` Return the window flags that have been explicitly set by the client, so will not be modified by `getDecorView()`.
`final int`	`getLocalFeatures()` Return the feature bits that are being implemented by this Window.
`final boolean`	`hasSoftInputMode()` Has the app specified their own soft input mode?
`abstract void`	`onActive()`
`void`	`setDefaultWindowFormat(int format)` Set the default format of window, as per the PixelFormat types.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

XML attributes

android:windowAllowEnterTransitionOverlap

Flag indicating whether this Window's transition should overlap with the exiting transition of the calling Activity. Corresponds to setAllowEnterTransitionOverlap(boolean).

Must be a boolean value, either "true" or "false".

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol windowAllowEnterTransitionOverlap.

Related methods:

setAllowEnterTransitionOverlap(boolean)

android:windowAllowReturnTransitionOverlap

Flag indicating whether this Window's transition should overlap with the exiting transition of the called Activity when the called Activity finishes. Corresponds to setAllowReturnTransitionOverlap(boolean).

Must be a boolean value, either "true" or "false".

This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.

This corresponds to the global attribute resource symbol windowAllowReturnTransitionOverlap.

Related methods:

setAllowReturnTransitionOverlap(boolean)

android:windowContentTransitionManager

Reference to a TransitionManager XML resource defining the desired transitions between different window content.