SeekBar.OnSeekBarChangeListener - [ Android中文手册 ] - 在线原生手册

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テキスト

SeekBar.OnSeekBarChangeListener

译者：madgoat

博客：http://madgoat.cn/

2010-10-22

版本：Android 2.2 r1

public static interface SeekBar.OnSeekBarChangeListener

android.widget.SeekBar.OnSeekBarChangeListener

概述

当进度改变后用于通知客户端的回调函数。这包括用户通过手势、方向键或轨迹球触发的改变，以及编程触发的改变。

公共方法

public abstract void onProgressChanged (SeekBar seekBar, int progress, boolean fromUser)

通知进度已经被修改。客户端可以使用fromUser参数区分用户触发的改变还是编程触发的改变。

参数

seekBar 当前被修改进度的SeekBar

progress 当前的进度值。此值的取值范围为0到max之间。Max为用户通过setMax(int)设置的值，默认为100

fromUser如果是用户触发的改变则返回True

public abstract void onStartTrackingTouch (SeekBar seekBar)

通知用户已经开始一个触摸拖动手势。客户端可能需要使用这个来禁用seekbar的滑动功能。

参数

seekBar 触摸的SeekBar

public abstract void onStopTrackingTouch (SeekBar seekBar)

通知用户触摸手势已经结束。户端可能需要使用这个来启用seekbar的滑动功能。

参数

seekBar 触摸的SeekBar

整理人：农民伯伯

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