android多媒体音乐（MediaPlayer）播放器制作代码

<!-- 读取手机中的音乐 -->  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

MediaPlayer.create(this, R.raw.roar);//mnt/sdcard/手机内存卡

mediaPlayer.setDataSource(this, Uri.parse("file://mnt/sdcard/1/123.mp3"));

 mediaPlayer.setDataSource(this, Uri.parse("http://192.168.43.202:8080/sister.mp3"));

 private MediaPlayer mediaPlayer;  private SeekBar seekBar;private SurfaceView sv_main_suffce; public void onplay(View view) throws IOException {    imageButton = (ImageButton) view;    if (mediaPlayer==null){      //播放应用的音频文件//      mediaPlayer = MediaPlayer.create(this, R.raw.roar);      //播放内存卡中的音频文件      mediaPlayer=new MediaPlayer();      //音频流的类型      mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);      //设置音频的来源//      mediaPlayer.setDataSource(this, Uri.parse("file://mnt/sdcard/1/roar.mp3"));//      mediaPlayer.prepare();//准备一下      //播放网络音乐      mediaPlayer.setDataSource(this, Uri.parse("http://192.168.43.202:8080/crickets.mp3"));      //一步准备      mediaPlayer.prepareAsync();      //设置准备完的监听      mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {        @Override        public void onPrepared(MediaPlayer mediaPlayer) {          //开始播放          mediaPlayer.start();          //点击播放改变图标          imageButton.setImageResource(android.R.drawable.ic_media_pause);          //获取音乐的播放最大时间          int durtion=mediaPlayer.getDuration();          //设置进度条的最大值为音乐的播放最大时间          seekBar.setMax(durtion);          new Mythred().start();        }      });       //给进度条设置一个事件      seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {        @Override        public void onProgressChanged(SeekBar seekBar, int i, boolean b) {        }        @Override        public void onStartTrackingTouch(SeekBar seekBar) {        }        @Override        public void onStopTrackingTouch(SeekBar seekBar) {          //获取拖动的进度          int progress=seekBar.getProgress();          //到那个位置播放          mediaPlayer.seekTo(progress);        }      });    }    else if (mediaPlayer.isPlaying()){      mediaPlayer.pause();      imageButton.setImageResource(android.R.drawable.ic_media_play);    }    else {      mediaPlayer.start();      imageButton.setImageResource(android.R.drawable.ic_media_pause);    }  }

class Mythrod extends Thread{    @Override    public void run() {      super.run();      while (seekBar.getProgress()<=seekBar.getMax()){       //获取音乐的当前播放位置        int currentPosition=mediaPlayer.getCurrentPosition();        seekBar.setProgress(currentPosition);      }    }  }

//实例化音频池    soundPool = new SoundPool(4, AudioManager.STREAM_MUSIC,0);  soundPool.setOnLoadCompleteListener(new SoundPool.OnLoadCompleteListener() {    @Override    public void onLoadComplete(SoundPool soundPool, int i, int status) {     //播放      soundPool.play(i,1,1,1,-1,1);    }  });//写声音按钮的方法 public void playKFC(View view){ //音频池的路径    soundPool.load(this,R.raw.rooster,1);  }  public void playTwo(View view){    soundPool.load(this,R.raw.chimp,1);  }  public void playThree(View view){    soundPool.load(this,R.raw.crickets,1);  }  public void playFour(View view){    soundPool.load(this,R.raw.roar,1);  }  public void playDog(View view){    soundPool.load(this,R.raw.dogbark,1);  }//销毁音频池soundPool  @Override  protected void onDestroy() {    super.onDestroy();    if(soundPool!=null){     //释放内存      soundPool.release();      soundPool=null;    }  }