@Override
 public boolean onTouchEvent(MotionEvent event) {
  if (mAudioFile == null) {
   return false;
  }
  if (!mTouchInPlayButton) {
   return false;
  }
  switch (event.getAction()) {
  case MotionEvent.ACTION_DOWN:
   initBorderLine();
   break;
  case MotionEvent.ACTION_MOVE:
   if (event.getY() < 0) {
    viewToInit();
    break;
   }
   if (event.getX() > mRightButtonX) {
    mIsCancel = true;
    scaleView(mImgDelete, 1.5f);
   } else if (event.getX() < mLeftButtonX) {
    scaleView(mImgListen, 1.5f);
   } else {
    mIsCancel = false;
    viewToInit();
   }
   break;
  case MotionEvent.ACTION_UP:
   if (mIsCancel || event.getY() < -50) {
    cancelRecord();
   } else if (event.getX() < mLeftButtonX) {// 试听
    playRecord();
    finishRecord();
   } else if (event.getX() > mRightButtonX) {// 删除
    cancelRecord();
   } else {
    finishRecord();
   }
   viewToInit();
   bottomFlag.setVisibility(View.VISIBLE);
   topFlag.setVisibility(View.GONE);
   mIsCancel = false;
   mTouchInPlayButton = false;
   break;
  }
  return true;
 }

/**
 * {@link #RecordButton}需要的工具类
 * 
 * @author kymjs(http://www.kymjs.com/)
 */
public class RecordButtonUtil {
 public static final String AUDOI_DIR = Environment
   .getExternalStorageDirectory().getAbsolutePath() + "/oschina/audio"; // 录音音频保存根路径
 private String mAudioPath; // 要播放的声音的路径
 private boolean mIsRecording;// 是否正在录音
 private boolean mIsPlaying;// 是否正在播放
 private OnPlayListener listener;
 // 初始化 录音器
 private void initRecorder() {
  mRecorder = new MediaRecorder();
  mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  mRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
  mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  mRecorder.setOutputFile(mAudioPath);
  mIsRecording = true;
 }
 /** 开始录音，并保存到文件中 */
 public void recordAudio() {
  initRecorder();
  try {
   mRecorder.prepare();
  } catch (IOException e) {
   e.printStackTrace();
  }
  mRecorder.start();
 }
 /** 获取音量值，只是针对录音音量 */
 public int getVolumn() {
  int volumn = 0;
  // 录音
  if (mRecorder != null && mIsRecording) {
   volumn = mRecorder.getMaxAmplitude();
   if (volumn != 0)
    volumn = (int) (10 * Math.log(volumn) / Math.log(10)) / 7;
  }
  return volumn;
 }
 /** 停止录音 */
 public void stopRecord() {
  if (mRecorder != null) {
   mRecorder.stop();
   mRecorder.release();
   mRecorder = null;
   mIsRecording = false;
  }
 }
 public void startPlay(String audioPath) {
  if (!mIsPlaying) {
   if (!StringUtils.isEmpty(audioPath)) {
    mPlayer = new MediaPlayer();
    try {
     mPlayer.setDataSource(audioPath);
     mPlayer.prepare();
     mPlayer.start();
     if (listener != null) {
      listener.starPlay();
     }
     mIsPlaying = true;
     mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
      @Override
      public void onCompletion(MediaPlayer mp) {
       if (listener != null) {
        listener.stopPlay();
       }
       mp.release();
       mPlayer = null;
       mIsPlaying = false;
      }
     });
    } catch (Exception e) {
     e.printStackTrace();
    }
   } else {
    AppContext.showToastShort(R.string.record_sound_notfound);
   }
  } // end playing
 }
 public interface OnPlayListener {
  /** 播放声音结束时调用 */
  void stopPlay();
  /** 播放声音开始时调用 */
  void starPlay();
 }
}

if (event.getX() > mRightButtonX) {
 mIsCancel = true;scaleView(mImgDelete, 1.5f);
} else if (event.getX() < mLeftButtonX) {
 scaleView(mImgListen, 1.5f);
} else {
 mIsCancel = false;viewToInit();
}
private void scaleView(View view, float scaleXY) {
 if (android.os.Build.VERSION.SDK_INT > 10) {
  view.setScaleX(scaleXY);
  view.setScaleY(scaleXY);
 }
}