如何创建videoView与下面的MediaController

Question

我创建videoView程序和它需要留我需要的是的MediaController保持低于viewView的方式

videoView = new VideoView(context); 

    mediaController = new MediaController(context); 
    mediaController.findFocus(); 
    mediaController.setEnabled(true); 
    mediaController.show(0); 

    String url = "android.resource://" + context.getPackageName() + "/" 
      + R.raw.video; 

    videoView.setVideoURI(Uri.parse(url)); 
    videoView.requestFocus(); 
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
      (ViewSizeUtl.getWidthOfDisplay(context)) * 2/3, 
      (ViewSizeUtl.getHeightOfDisplay(context) * 2/3)); 
    layoutParams.addRule(RelativeLayout.CENTER_HORIZONTAL, 
      RelativeLayout.TRUE); 
    videoView.setLayoutParams(layoutParams); 
    mediaController.setAnchorView(videoView); 
    videoView.setMediaController(mediaController); 
    addView(videoView); 

。

Answer 1

在媒体播放器中添加媒体控制器非常简单。使您的活动实施MediaPlayerControl并添加未实现的方法。代码如下：

我使用的API演示代码从这里http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/media/MediaPlayerDemo_Video.html

public class ActivityVedioPlay extends Activity implements 
     OnBufferingUpdateListener, OnCompletionListener, OnPreparedListener, 
     OnVideoSizeChangedListener, SurfaceHolder.Callback, MediaPlayerControl { 
..... 

    private MediaPlayer mMediaPlayer; 
    private MediaController mcontroller; 
    private Handler handler = new Handler(); 
..... 
@Override 
    public boolean onTouchEvent(MotionEvent event) { 
     /* 
     * the MediaController will hide after 3 seconds - tap the screen to 
     * make it appear again 
     */ 
     mcontroller.show(); 
     return false; 
    } 
...... 
private void playVideo() { 
     doCleanUp(); 
     try { 
      path = getIntent().getStringExtra("url"); 
      if (path == "") { 
       Toast.makeText(ActivityVedioPlay.this, "URL Not found", 
         Toast.LENGTH_LONG).show(); 
      } 
      mMediaPlayer = new MediaPlayer(); 
      mMediaPlayer.setDataSource(path); 
      mMediaPlayer.setDisplay(holder); 
      mMediaPlayer.prepare(); 
      mMediaPlayer.setOnBufferingUpdateListener(this); 
      mMediaPlayer.setOnCompletionListener(this); 
      mMediaPlayer.setOnPreparedListener(this); 
      mMediaPlayer.setScreenOnWhilePlaying(true); 
      mMediaPlayer.setOnVideoSizeChangedListener(this); 
      mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); 
      mcontroller = new MediaController(this); 
     } catch (Exception e) { 
      e.printStackTrace(); 
     } 
    } 
...... 

public void onPrepared(MediaPlayer mediaplayer) { 
     Log.d(TAG, "onPrepared called"); 
     mIsVideoReadyToBePlayed = true; 
     if (mIsVideoReadyToBePlayed && mIsVideoSizeKnown) { 
      startVideoPlayback(); 
     } 
     mcontroller.setMediaPlayer(this); 
     mcontroller.setAnchorView(findViewById(R.id.mediaplayer_surfaceview_container)); 
     handler.post(new Runnable() { 

      public void run() { 
       mcontroller.setEnabled(true); 
       mcontroller.show(); 
      } 
     }); 
    } 

//mediacontroller implemented methods 

    public void start() { 
     mMediaPlayer.start(); 
    } 

    public void pause() { 
     mMediaPlayer.pause(); 
    } 

    public int getDuration() { 
     return mMediaPlayer.getDuration(); 
    } 

    public int getCurrentPosition() { 
     return mMediaPlayer.getCurrentPosition(); 
    } 

    public void seekTo(int i) { 
     mMediaPlayer.seekTo(i); 
    } 

    public boolean isPlaying() { 
     return mMediaPlayer.isPlaying(); 
    } 

    public int getBufferPercentage() { 
     return 0; 
    } 

    public boolean canPause() { 
     return true; 
    } 

    public boolean canSeekBackward() { 
     return true; 
    } 

    public boolean canSeekForward() { 
     return true; 
    }