SeekBar

/**
    max -- 最大值
    progress -- 当前值

    自定义样式,从style找到seekbar源码查看其属性,例如复写thumb.xml滑块（替换里面的资源图片）便可
    */
    <SeekBar
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/seekbar"
        android:max="100"
        android:progress="50"

        />



======

public class SeekBarActivity extends Activity implements SeekBar.OnSeekBarChangeListener{

    private SeekBar seekBar;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_seekbar);

        seekBar = (SeekBar)findViewById(R.id.seekbar);
        seekBar.setOnSeekBarChangeListener(this);
    }

    //数值改变时
    @Override
    public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

    }

    //开始拖拽
    @Override
    public void onStartTrackingTouch(SeekBar seekBar) {

    }

    //结束拖拽
    @Override
    public void onStopTrackingTouch(SeekBar seekBar) {

    }
}