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SurfaceControlViewHost

public class SurfaceControlViewHost
extends Object

java.lang.Object
↳	android.view.SurfaceControlViewHost

Utility class for adding a View hierarchy to a SurfaceControl. The View hierarchy will render in to a root SurfaceControl, and receive input based on the SurfaceControl's placement on-screen. The primary usage of this class is to embed a View hierarchy from one process in to another. After the SurfaceControlViewHost has been set up in the embedded content provider, we can send the SurfaceControlViewHost.SurfacePackage to the host process. The host process can then attach the hierarchy to a SurfaceView within its own by calling SurfaceView#setChildSurfacePackage.

Summary

Nested classes
`class`	`SurfaceControlViewHost.SurfacePackage` Package encapsulating a Surface hierarchy which contains interactive view elements.

Public constructors
`SurfaceControlViewHost(Context context, Display display, IBinder hostToken)` Construct a new SurfaceControlViewHost.

Public methods
`SurfaceControlViewHost.SurfacePackage`	`getSurfacePackage()` Return a SurfacePackage for the root SurfaceControl of the embedded hierarchy.
`View`	`getView()`
`void`	`relayout(int width, int height)` Modify the size of the root view.
`void`	`release()` Trigger the tear down of the embedded view hierarchy and release the SurfaceControl.
`void`	`setView(View view, int width, int height)` Set the root view of the SurfaceControlViewHost.

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 timeout, 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 timeout)` 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.

Public constructors

SurfaceControlViewHost

public SurfaceControlViewHost (Context context, 
                Display display, 
                IBinder hostToken)

Construct a new SurfaceControlViewHost. The root Surface will be allocated internally and is accessible via getSurfacePackage(). The parameter, primarily used for ANR reporting, must be obtained from whomever will be hosting the embedded hierarchy. It's accessible from SurfaceView#getHostToken.

Parameters
`context`	`Context`: The Context object for your activity or application. This value cannot be `null`.
`display`	`Display`: The Display the hierarchy will be placed on. This value cannot be `null`.

Public methods

getSurfacePackage

public SurfaceControlViewHost.SurfacePackage getSurfacePackage ()

Return a SurfacePackage for the root SurfaceControl of the embedded hierarchy. Rather than be directly reparented using SurfaceControl.Transaction this SurfacePackage should be passed to SurfaceView#setChildSurfacePackage which will not only reparent the Surface, but ensure the accessibility hierarchies are linked.

Returns
`SurfaceControlViewHost.SurfacePackage`	This value may be `null`.

getView

public View getView ()

Returns
`View`	The view passed to setView, or null if none has been passed.

relayout

public void relayout (int width, 
                int height)

Modify the size of the root view.

Parameters
`width`	`int`: Width in pixels
`height`	`int`: Height in pixels

release

public void release ()

Trigger the tear down of the embedded view hierarchy and release the SurfaceControl. This will result in onDispatchedFromWindow being dispatched to the embedded view hierarchy and render the object unusable.

setView

public void setView (View view, 
                int width, 
                int height)

Set the root view of the SurfaceControlViewHost. This view will render in to the SurfaceControl, and receive input based on the SurfaceControls positioning on screen. It will be laid as if it were in a window of the passed in width and height.

Parameters
`view`	`View`: The View to add This value cannot be `null`.
`width`	`int`: The width to layout the View within, in pixels.
`height`	`int`: The height to layout the View within, in pixels.

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SurfaceControlViewHost

Summary

Nested classes

Public constructors

Public methods

Inherited methods

Public constructors

SurfaceControlViewHost

Public methods

getSurfacePackage

getView

relayout

release

setView