Android timer handler 实现定时

mHandler =  new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what){
case 0:
Logger.i("在hanler中的信息");
break;
case 1:
break;
}
}
};
timer = new Timer();
timer.schedule(new TimerTask(){
@Override
public void run() {
Logger.i("在Timer中的线程");
mHandler.sendEmptyMessage(0);
}
}, 0, 2000);