VideoView 播放资源目录raw下的视频

 String uri = "android.resource://" + getPackageName() + "/" + R.raw.welcome_video;
        logo_video.setVideoURI(Uri.parse((uri)));
        logo_video.setMediaController(new MediaController(LoginLogoActivity.this));  ／／添加控制台
        logo_video.requestFocus();  ／／获取焦点
         ／／监听播完了重播
        logo_video.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mediaPlayer) {
                logo_video.start();
            }
        });
        logo_video.start();