媒体播放自定义界面

public class VideoActivity extends Activity implements Callback{
private SurfaceView view;
private SurfaceHolder holder;
private MediaPlayer mPlayer;

private String path;

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

initWidgets();
}

private void initWidgets() {
view=(SurfaceView) findViewById(R.id.surfaceView);

holder=view.getHolder();
holder.setFixedSize(320, 480);
holder.setKeepScreenOn(true);
//设置回调的监听
holder.addCallback(this);

path=getIntent().getStringExtra("path");
}

@Override
public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {

}

@Override
public void surfaceCreated(SurfaceHolder arg0) {
mPlayer=new MediaPlayer();
try {
mPlayer.setDataSource(path);
mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mPlayer.setDisplay(holder);

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

@Override
public void surfaceDestroyed(SurfaceHolder arg0) {
mPlayer.release();
}

public void play(View v){
if (!mPlayer.isPlaying()) {
mPlayer.start();
}
}
}

public class MainActivity extends Activity implements SurfaceHolder.Callback {//2.实现回调SurfaceHolder.Callback
private VideoView videoView;

// 第二种界面
private SurfaceView view;
private SurfaceHolder holder;

private MediaPlayer mPlayer;

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

// String path = Environment.getExternalStorageDirectory()+"/move.mp4";
// //初始化视频界面
// videoView = (VideoView)findViewById(R.id.video);
//
// //向视频界面加载视频源
// videoView.setVideoPath(path);
//
// MediaController controller = new MediaController(this);//控制中心
// controller.setMediaPlayer(videoView);//将播放界面用controller来控制
//
// videoView.setMediaController(controller);//界面与控制中心绑定
// videoView.requestFocus();//设置视频有焦点

// 自定义的界面：视频播放器,SurfaceView是专做界面的容器
view = (SurfaceView) findViewById(R.id.view);

// 1.绑定界面并设置参数
holder = view.getHolder();// 实例化视频Holder对象,此时由holder来设定参数
holder.setFixedSize(320, 480);// 视频分辨率，不写就是默认
holder.setKeepScreenOn(true);// 屏幕一直开着

//设置回调的监听　
holder.addCallback(this);
}

@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {//界面改变时

}

@Override
public void surfaceCreated(SurfaceHolder holder) {//创建界面的时候
mPlayer = new MediaPlayer();
try {
// Cursor cursor = getContentResolver().query(MediaStore.Video.Media.EXTERNAL_CONTENT_URI, null,null,null,null);
// while(cursor.moveToNext()){
// Log.i("path", cursor.getString(cursor.getColumnIndex(Media.DATA)));
// }

mPlayer.setDataSource(Environment.getExternalStorageDirectory()+"/move.mp4");
mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);//音源类型
mPlayer.setDisplay(holder);//加载设定好的自定义界面
mPlayer.prepare();//准备
} catch (Exception e) {
e.printStackTrace();
}
}

@Override
public void surfaceDestroyed(SurfaceHolder holder) {//销毁界面
if(mPlayer.isPlaying()){
mPlayer.stop();
mPlayer.release();
}
}

//播放按钮
public void play(View v){
if(!mPlayer.isPlaying()){
mPlayer.start();
}
}
}