2、在界面布局中定义SurfaceView组件,或在程序中创建SurfaceView组件,并为SurfaceView的SurfaceHolder添加Callback监听器。
3、调用MediaPlayer对象的setDisplay(SurfaceHolder sh)将所播放的视频图像输出到指定的SurfaceView组件。
4、调用MediaPlayer对象的start()、stop()和pause()方法控制视频的播放。
public class SurfaceViewPlayVideo extends Activity implements OnClickListener { SurfaceView surfaceView; ImageButton play , pause , stop; MediaPlayer mPlayer; //记录当前视频的播放位置 int position; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // 获取界面中的3个按钮 play = (ImageButton) findViewById(R.id.play); pause = (ImageButton) findViewById(R.id.pause); stop = (ImageButton) findViewById(R.id.stop); // 为3个按钮的单击事件绑定事件监听器 play.setOnClickListener(this); pause.setOnClickListener(this); stop.setOnClickListener(this); // 创建MediaPlayer mPlayer = new MediaPlayer(); surfaceView = (SurfaceView) this.findViewById(R.id.surfaceView); // 设置SurfaceView自己不管理的缓冲区 surfaceView.getHolder().setType( SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); // 设置播放时打开屏幕 surfaceView.getHolder().setKeepScreenOn(true); surfaceView.getHolder().addCallback(new SurfaceListener()); } @Override public void onClick(View source) { try { switch (source.getId()) { // 播放按钮被单击 case R.id.play: play(); break; // 暂停按钮被单击 case R.id.pause: if (mPlayer.isPlaying()) { mPlayer.pause(); } else { mPlayer.start(); } break; // 停止按钮被单击 case R.id.stop: if (mPlayer.isPlaying()) mPlayer.stop(); break; } } catch (Exception e) { e.printStackTrace(); } } private void play() throws IOException { mPlayer.reset(); mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC); // 设置需要播放的视频 mPlayer.setDataSource("/mnt/sdcard/movie.3gp"); // 把视频画面输出到SurfaceView mPlayer.setDisplay(surfaceView.getHolder()); mPlayer.prepare(); mPlayer.start(); } private class SurfaceListener implements SurfaceHolder.Callback { @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } @Override public void surfaceCreated(SurfaceHolder holder) { if (position > 0) { try { // 开始播放 play(); // 并直接从指定位置开始播放 mPlayer.seekTo(position); position = 0; } catch (Exception e) { e.printStackTrace(); } } } @Override public void surfaceDestroyed(SurfaceHolder holder) { } } // 当其他Activity被打开,暂停播放 @Override protected void onPause() { if (mPlayer.isPlaying()) { // 保存当前的播放位置 position = mPlayer.getCurrentPosition(); mPlayer.stop(); } super.onPause(); } @Override protected void onDestroy() { // 停止播放 if (mPlayer.isPlaying()) mPlayer.stop(); // 释放资源 mPlayer.release(); super.onDestroy(); } }