Handler

Code     private Handler myHandler = new Handler();
	Runnable myrun = new Runnable() {
		@Override
		public void run() {
			// TODO Auto-generated method stub
			myHandler.postDelayed(myrun, 1000);
		}
	};
myHandler.post(myrun);  //start
myHandler.removeCallbacks(myrun);  //stop

CodeHandler handler = new Handler(){
		@Override
		public void handleMessage(Message msg) {
			// TODO Auto-generated method stub
			switch(msg.what){
			case 1:
                      //do your action;
			}
		}
	};
Runnable runnable = new Runnable() {
		
		@Override
		public void run() {
			// TODO Auto-generated method stub
			msg.what = 1;
			//do your action;
			handler.sendMessage(msg);
		}
	};