程序包 ohos.agp.components

接口 Component.TouchEventListener

封闭类:

Component

public static interface Component.TouchEventListener

Provides a callback to be invoked when a touch event is dispatched to a component.

This callback will be invoked before the component receives the touch event. The granularity of touch events is smaller than click events.

方法概要

限定符和类型	方法	说明
boolean	onTouchEvent(Component component, TouchEvent event)	Processes a touch event dispatched to a component.

方法详细资料

onTouchEvent

boolean onTouchEvent(Component component,
                     TouchEvent event)

Processes a touch event dispatched to a component.

The listener responds to a touch event before the target component receives the event.

参数:

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

event - Indicates all information about the touch event.

返回:

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