Android 播放音頻工具類

  1 import android.content.Context;
  2 import android.media.AudioManager;
  3 import android.media.MediaPlayer;
  4 import android.os.Handler;
  5 import android.os.Message;
  6 
  7 import java.io.IOException;
  8 
  9 public class MediaPlayerUitls {
 10 
 11     private static MediaPlayer mediaPlayer;
 12 
 13 
 14     public static void build(){
 15         mediaPlayer = new MediaPlayer();
 16     }
 17 
 18 
 19     public static void startMadieMusic(Context context, Object path, final Handler handler){
 20         try {
 21             playAllStop();
 22             if(path instanceof String){
 23                 mediaPlayer = new MediaPlayer();
 24                 mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
 25                 mediaPlayer.setDataSource(String.valueOf(path));
 26                 mediaPlayer.prepareAsync();
 27             }else if(path instanceof Integer){
 28                 if(((Integer) path)==0){
 29                     if(BuildConfig.DEBUG){
 30                         Message message = new Message();
 31                         message.what = 2;
 32                         message.obj = "聲音null";
 33                         if(handler!=null)
 34                             handler.sendMessage(message);
 35                     }
 36                     return;
 37                 }
 38                 mediaPlayer = MediaPlayer.create(context, (Integer) path);
 39                 mediaPlayer.start();
 40                 if(handler!=null)
 41                     handler.sendEmptyMessage(0);
 42             }
 43 
 44             mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
 45                 @Override
 46                 public void onPrepared(MediaPlayer mediaPlayer) {
 47                     try {
 48                         mediaPlayer.start();
 49                         if(mediaPlayer.isPlaying()){
 50                             if(handler!=null)
 51                                 handler.sendEmptyMessage(0);
 52                         }
 53                     }catch (Exception e){
 54                         //Throws:
 55                         //IllegalStateException –
 56                         // if the internal player engine has not been initialized or has been released.
 57                     }
 58                 }
 59             });
 60             mediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
 61                 @Override
 62                 public void onCompletion(MediaPlayer mp) {
 63                     if(handler!=null)
 64                         handler.sendEmptyMessage(1);
 65                 }
 66             });
 67 
 68             mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
 69                 @Override
 70                 public boolean onError(MediaPlayer mp, int what, int extra) {
 71                     Message message = new Message();
 72                     message.what = 2;
 73                     message.obj = extra;
 74                     if(handler!=null)
 75                         handler.sendMessage(message);
 76                     return false;
 77                 }
 78             });
 79             mediaPlayer.setOnBufferingUpdateListener(new MediaPlayer.OnBufferingUpdateListener() {
 80                 @Override
 81                 public void onBufferingUpdate(MediaPlayer mp, int percent) {
 82 
 83                 }
 84             });
 85         } catch (Exception e) {
 86             e.printStackTrace();
 87         }
 88     }
 89 
 90     public static void playStop() {
 91 
 92         if (mediaPlayer != null) {
 93             if (mediaPlayer.isPlaying()) {
 94                 mediaPlayer.stop();
 95             }
 96             mediaPlayer.release();
 97             mediaPlayer = null;
 98         }
 99     }
100 
101     public static void playAllStop(){
102         synchronized (MediaUitl.class){
103             playStop();
104         }
105     }
106 }

調用：  MediaPlayerUitls.startMadieMusic(requireContext(),R.raw.raw_no_install_no_use,null)