ViewTreeObserver.AddOnGlobalFocusChangeListener Method

Definition

Register a callback to be invoked when the focus state within the view tree changes.

[Android.Runtime.Register("addOnGlobalFocusChangeListener", "(Landroid/view/ViewTreeObserver$OnGlobalFocusChangeListener;)V", "")]
public void AddOnGlobalFocusChangeListener (Android.Views.ViewTreeObserver.IOnGlobalFocusChangeListener? listener);
[<Android.Runtime.Register("addOnGlobalFocusChangeListener", "(Landroid/view/ViewTreeObserver$OnGlobalFocusChangeListener;)V", "")>]
member this.AddOnGlobalFocusChangeListener : Android.Views.ViewTreeObserver.IOnGlobalFocusChangeListener -> unit

Parameters

listener
ViewTreeObserver.IOnGlobalFocusChangeListener

The callback to add

Attributes

Exceptions

If IsAlive returns false

Remarks

Java documentation for android.view.ViewTreeObserver.addOnGlobalFocusChangeListener(android.view.OnGlobalFocusChangeListener).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to