Touch Event

Note:

Currently in the beta phase.

Triggered when a finger presses, slides, or lifts on a component.

Import Module

import kit.ArkUI.*

func onTouch(?(TouchEvent) -> Unit)

func onTouch(event: ?(TouchEvent) -> Unit): T

Function: Triggered by finger touch actions.

System Capability: SystemCapability.ArkUI.ArkUI.Full

Since: 22

Parameters:

Parameter Type Required Default Description
event ?(TouchEvent) -> Unit Yes - Callback function triggered by finger touch actions.
Initial value: { _: TouchEvent => }.

Return Value:

Type Description
T Returns the generic method interface type