Android实现录音方法（仿微信语音、麦克风录音、发送语音、解决5.0以上BUG）

public class AudioRecoderUtils {
 //文件路径
 private String filePath;
 //文件夹路径
 private String FolderPath;
 private MediaRecorder mMediaRecorder;
 private final String TAG = "fan";
 public static final int MAX_LENGTH = 1000 * 60 * 10;// 最大录音时长1000*60*10;
 private OnAudioStatusUpdateListener audioStatusUpdateListener;
 /**
  * 文件存储默认sdcard/record
  */
 public AudioRecoderUtils(){
  //默认保存路径为/sdcard/record/下
  this(Environment.getExternalStorageDirectory()+"/record/");
 }
 public AudioRecoderUtils(String filePath) {
  File path = new File(filePath);
  if(!path.exists())
   path.mkdirs();
  this.FolderPath = filePath;
 }
 private long startTime;
 private long endTime;
 /**
  * 开始录音 使用amr格式
  *  录音文件
  * @return
  */
 public void startRecord() {
  // 开始录音
  /* ①Initial：实例化MediaRecorder对象 */
  if (mMediaRecorder == null)
   mMediaRecorder = new MediaRecorder();
  try {
   /* ②setAudioSource/setVedioSource */
   mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 设置麦克风
   /* ②设置音频文件的编码：AAC/AMR_NB/AMR_MB/Default 声音的（波形）的采样 */
   mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
   /*
    * ②设置输出文件的格式：THREE_GPP/MPEG-4/RAW_AMR/Default THREE_GPP(3gp格式
    * ，H263视频/ARM音频编码)、MPEG-4、RAW_AMR(只支持音频且音频编码要求为AMR_NB)
    */
   mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
   filePath = FolderPath + TimeUtils.getCurrentTime() + ".amr" ;
   /* ③准备 */
   mMediaRecorder.setOutputFile(filePath);
   mMediaRecorder.setMaxDuration(MAX_LENGTH);
   mMediaRecorder.prepare();
   /* ④开始 */
   mMediaRecorder.start();
   // AudioRecord audioRecord.
   /* 获取开始时间* */
   startTime = System.currentTimeMillis();
   updateMicStatus();
   Log.e("fan", "startTime" + startTime);
  } catch (IllegalStateException e) {
   Log.i(TAG, "call startAmr(File mRecAudioFile) failed!" + e.getMessage());
  } catch (IOException e) {
   Log.i(TAG, "call startAmr(File mRecAudioFile) failed!" + e.getMessage());
  }
 }
 /**
  * 停止录音
  */
 public long stopRecord() {
  if (mMediaRecorder == null)
   return 0L;
  endTime = System.currentTimeMillis();
  //有一些网友反应在5.0以上在调用stop的时候会报错，翻阅了一下谷歌文档发现上面确实写的有可能会报错的情况，捕获异常清理一下就行了，感谢大家反馈！
  try {
   mMediaRecorder.stop();
   mMediaRecorder.reset();
   mMediaRecorder.release();
   mMediaRecorder = null;
   audioStatusUpdateListener.onStop(filePath);
   filePath = "";
  }catch (RuntimeException e){
   mMediaRecorder.reset();
   mMediaRecorder.release();
   mMediaRecorder = null;
   File file = new File(filePath);
   if (file.exists())
    file.delete();
   filePath = "";
  }
  return endTime - startTime;
 }
 /**
  * 取消录音
  */
 public void cancelRecord(){
  try {
   mMediaRecorder.stop();
   mMediaRecorder.reset();
   mMediaRecorder.release();
   mMediaRecorder = null;
  }catch (RuntimeException e){
   mMediaRecorder.reset();
   mMediaRecorder.release();
   mMediaRecorder = null;
  }
  File file = new File(filePath);
  if (file.exists())
   file.delete();
  filePath = "";
 }
 private final Handler mHandler = new Handler();
 private Runnable mUpdateMicStatusTimer = new Runnable() {
  public void run() {
   updateMicStatus();
  }
 };
 private int BASE = 1;
 private int SPACE = 100;// 间隔取样时间
 public void setOnAudioStatusUpdateListener(OnAudioStatusUpdateListener audioStatusUpdateListener) {
  this.audioStatusUpdateListener = audioStatusUpdateListener;
 }
 /**
  * 更新麦克状态
  */
 private void updateMicStatus() {
  if (mMediaRecorder != null) {
   double ratio = (double)mMediaRecorder.getMaxAmplitude() / BASE;
   double db = 0;// 分贝
   if (ratio > 1) {
    db = 20 * Math.log10(ratio);
    if(null != audioStatusUpdateListener) {
     audioStatusUpdateListener.onUpdate(db,System.currentTimeMillis()-startTime);
    }
   }
   mHandler.postDelayed(mUpdateMicStatusTimer, SPACE);
  }
 }
 public interface OnAudioStatusUpdateListener {
  /**
   * 录音中...
   * @param db 当前声音分贝
   * @param time 录音时长
   */
  public void onUpdate(double db,long time);
  /**
   * 停止录音
   * @param filePath 保存路径
   */
  public void onStop(String filePath);
 }
}

//当前布局文件的根layout
  final RelativeLayout rl = (RelativeLayout) findViewById(R.id.rl);
  mButton = (Button) findViewById(R.id.button);
  //PopupWindow的布局文件
  final View view = View.inflate(this, R.layout.layout_microphone, null);
  final PopupWindowFactory mPop = new PopupWindowFactory(this,view);
  //PopupWindow布局文件里面的控件
  mImageView = (ImageView) view.findViewById(R.id.iv_recording_icon);
  mTextView = (TextView) view.findViewById(R.id.tv_recording_time);
  mAudioRecoderUtils = new AudioRecoderUtils();
  //录音回调
  mAudioRecoderUtils.setOnAudioStatusUpdateListener(new AudioRecoderUtils.OnAudioStatusUpdateListener() {
   //录音中....db为声音分贝，time为录音时长
   @Override
   public void onUpdate(double db, long time) {
    //根据分贝值来设置录音时话筒图标的上下波动，下面有讲解
    mImageView.getDrawable().setLevel((int) (3000 + 6000 * db / 100));
    mTextView.setText(TimeUtils.long2String(time));
   }
   //录音结束，filePath为保存路径
   @Override
   public void onStop(String filePath) {
    Toast.makeText(MainActivity.this, "录音保存在：" + filePath, Toast.LENGTH_SHORT).show();
    mTextView.setText(TimeUtils.long2String(0));
   }
  });
  //Button的touch监听
  mButton.setOnTouchListener(new View.OnTouchListener() {
   @Override
   public boolean onTouch(View v, MotionEvent event) {
    switch (event.getAction()){
     case MotionEvent.ACTION_DOWN:
      mPop.showAtLocation(rl,Gravity.CENTER,0,0);
      mButton.setText("松开保存");
      mAudioRecoderUtils.startRecord();
      break;
     case MotionEvent.ACTION_UP:
      mAudioRecoderUtils.stopRecord();  //结束录音（保存录音文件）
//      mAudioRecoderUtils.cancelRecord(); //取消录音（不保存录音文件）
      mPop.dismiss();
      mButton.setText("按住说话");
      break;
    }
    return true;
   }
  });