Android and Timer (Java)

package com.myapp;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Timer;
import java.util.TimerTask;

import android.os.Bundle;
import android.widget.TextView;
import android.app.Activity;

public class MainActivity extends Activity {

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		Timer myTimer;
		myTimer = new Timer();

		myTimer.schedule(new TimerTask() {
			public void run() {
				 timerTick();
			}
		}, 0, 1000);

	}

	private void timerTick() {
		this.runOnUiThread(doTask);
	}
	
	private Runnable doTask = new Runnable() {
		public void run() {
			// TODO Auto-generated method stub
			
	        // Current Date
			Calendar c = Calendar.getInstance();
			SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			String formattedDate = df.format(c.getTime());

	        // txtResult
	        TextView result = (TextView) findViewById(R.id.txtResult);
	        result.setText(" Current : " + formattedDate);
		}
	};

}