程序包 ohos.agp.components

接口 Component.UnconsumedKeyEventListener

封闭类:

Component

public static interface Component.UnconsumedKeyEventListener

Provides a listener to dispatch keyboard event if it hasn't been consumed.

从以下版本开始:

7

方法概要

限定符和类型	方法	说明
boolean	onUnconsumedKeyEvent(Component component, KeyEvent event)	Called when a keyboard event is dispatched to this component if it has not been consumed by focused component.

方法详细资料

onUnconsumedKeyEvent

boolean onUnconsumedKeyEvent(Component component,
                             KeyEvent event)

Called when a keyboard event is dispatched to this component if it has not been consumed by focused component. If there are multiple listeners from different components, notification will be sent to each listener from top to bottom (by z-order) before the key event is claimed consuming by any listener.

参数:

component - Indicates the component to which the key event is dispatched.

event - Indicates all information about the key event.

返回:

Returns true if the listener has consumed the event; returns false otherwise.