Android音频播放器无法像whatsApp音频播放器一样播放

Question

当我在播放音频播放器时以及在播放之间我播放第二个音频的第一个音频进度条和带有第二个音频播放器的计时器接收器，等等。请对此提供帮助。**所有音频已加载在recyclerview中。**我希望像whatsapp这样的音频播放器一个接一个地播放音频，并且进度条不会彼此沉陷

  if (message.getFileType() == MessageFileType.AUDIO)
        {
            mediaUrl=message.getFile();

            Log.d("tag","mediaURL"+mediaUrl);
            Uri video = Uri.parse(mediaUrl);

                holder.BtnPlayMusic.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        holder.BtnPlayMusic.setImageResource(R.drawable.pause_button_red);

                        if(flag){

                            mPlayer = MediaPlayer.create(mContext, video);
                            flag = false;
                        }
                      if ( mPlayer.isPlaying())
                        {
                            holder.MusicSeekBar.setProgress(0);
                            mPlayer.stop();

                            flag=true;
                            // mPlayer.reset();
                            holder.BtnPlayMusic.setImageResource(R.drawable.play_button_red);

                                mPlayer = MediaPlayer.create(mContext, video);
                                flag = false;

                            mPlayer.start();
                            holder.BtnPlayMusic.setImageResource(R.drawable.pause_button_red);
                            getDurationTimer(holder);
                            holder.MusicSeekBar.setMax(mPlayer.getDuration()/1000);
                            getSeekBarStatus(holder);
                         }
                       else
                        {
                                    mPlayer.start();
                                    getDurationTimer(holder);
                            holder.BtnPlayMusic.setImageResource(R.drawable.pause_button_red);
                            holder.MusicSeekBar.setMax(mPlayer.getDuration()/1000);
                                    getSeekBarStatus(holder);


                            mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
                                @Override
                                public void onCompletion(MediaPlayer mp) {
                                    holder.BtnPlayMusic.setImageResource(R.drawable.play_button_red);
                                    flag=true;
                                    holder.MusicSeekBar.setProgress(0);

                                }}); }}
                });

                holder.BtnStopMusic.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {

                            mPlayer.stop();
                        mPlayer.reset();
                            flag=true;
                            // mPlayer.reset();
                            holder.BtnPlayMusic.setImageResource(R.drawable.play_button_red);


                    }
                });

        }

 //Creating duration time method
    public void getDurationTimer(MessageViewHolder holder){
        final long minutes=(mPlayer.getDuration()/1000)/60;
        final int seconds= (int) ((mPlayer.getDuration()/1000)%60);
        holder.MusicTime.setText(minutes+ "0:0"+seconds);


    }



    //creating a method for seekBar progress
    public void getSeekBarStatus(MessageViewHolder holder){
        thread=new Thread(new Runnable() {
           @Override
           public void run() {
               int currentPosition = 0;
               int total = mPlayer.getDuration();
               holder.MusicSeekBar.setMax(total);
               while (mPlayer != null && currentPosition < total && flag==false) {
                   try {
                       Thread.sleep(1000);

                           currentPosition = mPlayer.getCurrentPosition();


                   } catch (InterruptedException e) {
                       return;
                   }
                   holder.MusicSeekBar.setProgress(currentPosition);
               }
           }
       });
        thread.start();

        holder.MusicSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            int progress=0;
            @Override
            public void onProgressChanged(final SeekBar seekBar, int ProgressValue, boolean fromUser) {
                if (fromUser) {
                    mPlayer.seekTo(ProgressValue);//if user drags the seekbar, it gets the position and updates in textView.
                    progress=ProgressValue;
                }
                final long mMinutes=(ProgressValue/1000)/60;//converting into minutes
                final int mSeconds=((ProgressValue/1000)%60);//converting into seconds
                holder.MusicTime.setText(mMinutes+"0:0"+mSeconds);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                mPlayer.seekTo(progress);
            }
        });
    }