Android APIs
public class

ViewOverlay

extends Object
java.lang.Object
   ↳ android.view.ViewOverlay
Known Direct Subclasses

Class Overview

An overlay is an extra layer that sits on top of a View (the "host view") which is drawn after all other content in that view (including children, if the view is a ViewGroup). Interaction with the overlay layer is done by adding and removing drawables.

An overlay requested from a ViewGroup is of type ViewGroupOverlay, which also supports adding and removing views.

Summary

Public Methods
void add(Drawable drawable)
Adds a Drawable to the overlay.
void clear()
Removes all content from the overlay.
void remove(Drawable drawable)
Removes the specified Drawable from the overlay.
[Expand]
Inherited Methods
From class java.lang.Object

Public Methods

public void add (Drawable drawable)

Added in API level 18

Adds a Drawable to the overlay. The bounds of the drawable should be relative to the host view. Any drawable added to the overlay should be removed when it is no longer needed or no longer visible.

Parameters
drawable Drawable: The Drawable to be added to the overlay. This drawable will be drawn when the view redraws its overlay.

See also:

public void clear ()

Added in API level 18

Removes all content from the overlay.

public void remove (Drawable drawable)

Added in API level 18

Removes the specified Drawable from the overlay.

Parameters
drawable Drawable: The Drawable to be removed from the overlay.

See also: