Android仿微信录制语音功能

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="vertical">


  <RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="260dp"
    android:layout_marginLeft="50dp"
    android:layout_marginRight="50dp"
    android:background="@drawable/take_phone"
    android:orientation="vertical">

    <ImageView
      android:id="@+id/close"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentRight="true"
      android:padding="10dp"
      android:src="@mipmap/guanbi" />

    <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      android:layout_marginLeft="50dp"
      android:layout_marginRight="50dp"
      android:gravity="center"
      android:orientation="vertical">

      <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@mipmap/luyin" />

      <Chronometer
        android:id="@+id/timer"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:format="%s" />

      <TextView
        android:id="@+id/startRecord"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/playrecord"
        android:layout_marginTop="20dp"
        android:background="@color/background"
        android:padding="10dp"
        />

    </LinearLayout>
  </RelativeLayout>

</LinearLayout>

 /**
   * 开始录音
   */
  private void showPopup() {

    final View contentView = LayoutInflater.from(Orderdeatil.this).inflate(R.layout.popw_record, null);
    mPopWindow = new PopupWindow(contentView, ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.WRAP_CONTENT, true);
    mPopWindow.setContentView(contentView);

    TextView startRe = (TextView) contentView.findViewById(R.id.startRecord);
    startRe.setOnTouchListener(new View.OnTouchListener() {
      @Override
      public boolean onTouch(View v, MotionEvent event) {
        switch (event.getAction()) {
          case MotionEvent.ACTION_UP://松开事件发生后执行代码的区域

            if (mPopWindow != null) {
              mPopWindow.dismiss();
              sr.stopRecording();
            }

            break;
          case MotionEvent.ACTION_DOWN://按住事件发生后执行代码的区域

            Chronometer timer = (Chronometer) contentView.findViewById(R.id.timer);
            timer.setBase(SystemClock.elapsedRealtime());//计时器清零
            timer.start();//开始录音的提示

            sr.startRecording();

            break;
          case MotionEvent.ACTION_CANCEL:

            if (mPopWindow != null) {
              mPopWindow.dismiss();
              sr.stopRecording();//停止录音
            }

            break;
          default:
            break;
        }
        return true;
      }
    });
    ImageView close = (ImageView) contentView.findViewById(R.id.close);
    close.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        mPopWindow.dismiss();
      }
    });


    mPopWindow.setTouchable(true);
    mPopWindow.setFocusable(true);
    mPopWindow.setBackgroundDrawable(new BitmapDrawable());
    mPopWindow.setOutsideTouchable(true);
    mPopWindow.setTouchInterceptor(new View.OnTouchListener() {
      public boolean onTouch(View v, MotionEvent event) {
        if (event.getAction() == MotionEvent.ACTION_OUTSIDE) {
          mPopWindow.dismiss();
          return true;
        }
        return false;
      }
    });
    View rootview = LayoutInflater.from(Orderdeatil.this).inflate(R.layout.activity_orderdeatil, null);
    mPopWindow.showAtLocation(rootview, Gravity.CENTER, 0, 0);

  }

class SoundRecorder {

    public void startRecording() {
      mRecorder = new MediaRecorder();
      mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
      mRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
      mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
      mRecorder.setOutputFile(newFileName());

      try {
        // 准备好开始录音
        mRecorder.prepare();

        mRecorder.start();
      } catch (IllegalStateException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }


    }

    public void stopRecording() {
      if (mRecorder != null) {
        //added by ouyang start
        try {
          //下面三个参数必须加，不加的话会奔溃，在mediarecorder.stop();
          //报错为：RuntimeException:stop failed
          mRecorder.setOnErrorListener(null);
          mRecorder.setOnInfoListener(null);
          mRecorder.setPreviewDisplay(null);
          mRecorder.stop();
        } catch (IllegalStateException e) {
          // TODO: handle exception
          Log.i("Exception", Log.getStackTraceString(e));
        } catch (RuntimeException e) {
          // TODO: handle exception
          Log.i("Exception", Log.getStackTraceString(e));
        } catch (Exception e) {
          // TODO: handle exception
          Log.i("Exception", Log.getStackTraceString(e));
        }
        //added by ouyang end

        mRecorder.release();
        mRecorder = null;

        upRecord();
      }
    }

    public String newFileName() {
      mFileName = Environment.getExternalStorageDirectory()
          .getAbsolutePath();

      String s = new SimpleDateFormat("yyyy-MM-dd hhmmss")
          .format(new Date());
      return mFileName += "/rcd_" + s + ".mp3";
    }
}