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ViewOutlineProvider

public abstract class ViewOutlineProvider
extends Object

java.lang.Object
↳	android.view.ViewOutlineProvider

Interface by which a View builds its Outline, used for shadow casting and clipping.

Summary

Fields
`public static final ViewOutlineProvider`	`BACKGROUND` Default outline provider for Views, which queries the Outline from the View's background, or generates a 0 alpha, rectangular Outline the size of the View if a background isn't present.
`public static final ViewOutlineProvider`	`BOUNDS` Maintains the outline of the View to match its rectangular bounds, at `1.0f` alpha.
`public static final ViewOutlineProvider`	`PADDED_BOUNDS` Maintains the outline of the View to match its rectangular padded bounds, at `1.0f` alpha.

Public constructors
`ViewOutlineProvider()`

Public methods
`abstract void`	`getOutline(View view, Outline outline)` Called to get the provider to populate the Outline.

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.

Fields

BACKGROUND

public static final ViewOutlineProvider BACKGROUND

Default outline provider for Views, which queries the Outline from the View's background, or generates a 0 alpha, rectangular Outline the size of the View if a background isn't present.

See also:

Drawable.getOutline(Outline)

BOUNDS

public static final ViewOutlineProvider BOUNDS

Maintains the outline of the View to match its rectangular bounds, at 1.0f alpha. This can be used to enable Views that are opaque but lacking a background cast a shadow.

PADDED_BOUNDS

public static final ViewOutlineProvider PADDED_BOUNDS

Maintains the outline of the View to match its rectangular padded bounds, at 1.0f alpha. This can be used to enable Views that are opaque but lacking a background cast a shadow.

Public constructors