android snippet for triggering periodic events

AndroidTimer

private Handler handler = new Handler();

//trigger next event.
handler.postDelayed(runnable, SAMPLE_INTERVAL_MS);


private Runnable runnable = new Runnable() {
		//this class deals with generating periodic events,
		// to emulate the incoming "midi messages" from device
		// at a given rate
		@Override
		public void run() {
			if (REPEAT) { //mechanism for turning on/off
			
				//arm for next event
				handler.postDelayed(runnable, SAMPLE_INTERVAL_MS);
			}
		}
	};