Android APIs
Summary: Methods | [Expand All]
Added in API level 1
public static interface

ViewTreeObserver.OnGlobalFocusChangeListener

android.view.ViewTreeObserver.OnGlobalFocusChangeListener
Known Indirect Subclasses

Class Overview

Interface definition for a callback to be invoked when the focus state within the view tree changes.

Summary

Public Methods
abstract void onGlobalFocusChanged(View oldFocus, View newFocus)
Callback method to be invoked when the focus changes in the view tree.

Public Methods

public abstract void onGlobalFocusChanged (View oldFocus, View newFocus)

Added in API level 1

Callback method to be invoked when the focus changes in the view tree. When the view tree transitions from touch mode to non-touch mode, oldFocus is null. When the view tree transitions from non-touch mode to touch mode, newFocus is null. When focus changes in non-touch mode (without transition from or to touch mode) either oldFocus or newFocus can be null.

Parameters
oldFocus The previously focused view, if any.
newFocus The newly focused View, if any.