@Override
 public void onStopTrackingTouch(SeekBar seekBar) {
   mControllerImpl.onProgressChange(SeekBarState.STOP_TRACKING, seekBar.getProgress());
   mUserOperateSeecbar = false;
 }
 @Override
 public void onStartTrackingTouch(SeekBar seekBar) {
   mControllerImpl.onProgressChange(SeekBarState.START_TRACKING, 0);
   mUserOperateSeecbar = true;
 }