程序包 ohos.agp.components

接口 Slider.ValueChangedListener

封闭类:

Slider

public static interface Slider.ValueChangedListener

Provides callbacks to listen for and process change events of a Slider.

从以下版本开始:

3

方法概要

限定符和类型	方法	说明
void	onProgressUpdated(Slider slider, int progress, boolean fromUser)	Notifies change events of a slider.
void	onTouchEnd(Slider slider)	Notifies stop touch events of a slider.
void	onTouchStart(Slider slider)	Notifies start touch events of a slider.

方法详细资料

onProgressUpdated

void onProgressUpdated(Slider slider,
                       int progress,
                       boolean fromUser)

Notifies change events of a slider.

参数:

slider - Indicates the slider to listen for.

progress - Indicates the progress value to set.

fromUser - Indicates whether the change is made by users.

从以下版本开始:

4

onTouchStart

void onTouchStart(Slider slider)

Notifies start touch events of a slider.

This method is called back by slider to respond to the start touch events.

参数:

slider - Indicates the slider to listen for.

从以下版本开始:

4

onTouchEnd

void onTouchEnd(Slider slider)

Notifies stop touch events of a slider.

This method is called to respond to the stop touch events.

参数:

slider - Indicates the slider to listen for.

从以下版本开始:

4