Android MediaPlayer更改直播流的URL

我在更改MediaPlayer实例中直播流的URL时遇到问题。当我第一次点击一个ListView项目时，直播开始并显示视频，但是如果我点击ListView中的另一个对象，流程不会改变，同一个流将继续播放，并在第一次执行。Android MediaPlayer更改直播流的URL

public class MainActivity extends AppCompatActivity implements SurfaceHolder.Callback, MediaPlayer.OnPreparedListener, VideoControllerView.MediaPlayerControl { 

    SurfaceView videoSurface; 
    MediaPlayer player; 
    VideoControllerView controller; 

    ArrayList<Channel> channels; 
    Channel clickedChannel; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 

     videoSurface = (SurfaceView) findViewById(R.id.videoSurface); 
     SurfaceHolder videoHolder = videoSurface.getHolder(); 
     videoHolder.addCallback(this); 
     controller = new VideoControllerView(this); 
     player = new MediaPlayer(); 

     channels = new ArrayList<Channel>(); 
     CreateChannels(); 

     ListView lvMain = (ListView) findViewById(R.id.lvMain); 
     CustomAdapter adapter = new CustomAdapter(this, channels); 

     lvMain.setAdapter(adapter); 
     lvMain.setOnItemClickListener(new AdapterView.OnItemClickListener() { 
      public void onItemClick(AdapterView<?> parent, View view, 
            int position, long id) { 
       Log.d(LOG_TAG, "itemClick: position = " + position + ", id = " 
         + id); 
       clickedChannel = channels.get(position); 

         } 
        } 
       } 

       PlayStream(clickedChannel.Streams[0].URL); 

      } 
     }); 

    } 

    public void PlayStream(String URL) { 

     try { 
      player.setAudioStreamType(AudioManager.STREAM_MUSIC); 
      player.setDataSource(this, Uri.parse(URL)); 
      player.setOnPreparedListener(this); 
      player.prepareAsync(); 
      player.start(); 

     } catch (IllegalArgumentException e) { 
      e.printStackTrace(); 
     } catch (SecurityException e) { 
      e.printStackTrace(); 
     } catch (IllegalStateException e) { 
      e.printStackTrace(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 
    } 

// missed code 

    @Override 
    public boolean onTouchEvent(MotionEvent event) { 
     controller.show(); 
     return false; 
    } 

    @Override 
    public void surfaceCreated(SurfaceHolder holder) { 
     player.setDisplay(holder); 
    } 

    @Override 
    public void onPrepared(MediaPlayer mp) { 
     controller.setMediaPlayer(this); 
     controller.setAnchorView((FrameLayout) findViewById(R.id.videoSurfaceContainer)); 
     player.start(); 
    } 

}

来源

2015-11-07 Anton

每次

public void PlayStream(String URL) { 
     releaseMP(); 
     try { 
      player = new MediaPlayer(); 
      player.setDisplay(videoHolder); 
      player.setAudioStreamType(AudioManager.STREAM_MUSIC); 
      player.setDataSource(this, Uri.parse(URL)); 
      player.setOnPreparedListener(this); 
      player.prepareAsync(); 
      player.start(); 

     } catch (IllegalArgumentException e) { 
      e.printStackTrace(); 
     } catch (SecurityException e) { 
      e.printStackTrace(); 
     } catch (IllegalStateException e) { 
      e.printStackTrace(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 
    } 

    private void releaseMP() { 
     if (player != null) { 
      try { 
       player.release(); 
       player = null; 
      } catch (Exception e) { 
       e.printStackTrace(); 
      } 
     } 
    } 

    @Override 
    protected void onDestroy() { 
     super.onDestroy(); 
     releaseMP(); 
    } 
@Override 
    public void surfaceCreated(SurfaceHolder holder) { 

    }

通过重新播放器实例解决我的问题

来源

2015-11-08 10:17:42 Anton

Android MediaPlayer更改直播流的URL

回答

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