protected void onCreate(Bundle savedInstanceState) {
	SampleDrawer drawer = new SampleDrawer(this);
	mSampleSrufaceView = new SampleSurfaceView(this, drawer);
	setContentView(mSampleSrufaceView);
	TimerTask tk = new TimerTask() {
	long runTimes = 0;
				
	@Override
	public void run() {
		if (null != mSampleSrufaceView) 
			mSampleSrufaceView.updateRunTimes(runTimes++);// update drawer
		}
	};
	Timer timer = new Timer(true);
	timer.schedule(tk, 1000, 500);
}