程序包 ohos.agp.components

接口 ComponentTreeObserver.GlobalFocusUpdatedListener

封闭类:

ComponentTreeObserver

public static interface ComponentTreeObserver.GlobalFocusUpdatedListener

Callback to be invoked when the focus state within the component tree changes.

This listener is defined by ComponentTreeObserver.

从以下版本开始:

4

方法概要

限定符和类型	方法	说明
void	onGlobalFocusUpdated(Component oldFocus, Component newFocus)	Callback method to be invoked when the focus state within the component tree changes.

方法详细资料

onGlobalFocusUpdated

void onGlobalFocusUpdated(Component oldFocus,
                          Component newFocus)

Callback method to be invoked when the focus state within the component tree changes.

参数:

oldFocus - Indicates the component with focus before focus change.

newFocus - Indicates the component with focus after focus change.

从以下版本开始:

4