code snippet to do a task repeatedly using timer in android

Timer Task

			timer = new Timer();
			timer.schedule(new TimerTask() {
				
				@Override
				public void run() {
					getActivity().runOnUiThread(new Runnable() {
						
						@Override
						public void run() {
							fetchallMessages(match_id,true);
						}
					});
		
				}
			}, 0, 30 * 1000);
		}