<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent" >

	<TextView

	    android:id="@+id/info"

	    android:layout_width="fill_parent"

	    android:layout_height="wrap_content"/>

</LinearLayout>

package com.example.myfirstproject;

import java.util.ArrayList;

import java.util.List;

import java.util.Timer;

import java.util.TimerTask;

import android.os.Bundle;

import android.os.Handler;

import android.os.Message;

import android.app.Activity;

import android.content.pm.ActivityInfo;

import android.content.res.Configuration;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.*;

public class MainActivity extends Activity {

	private static int count = 0;

	public static final int SET = 1;

	private Handler myHandler = new Handler(){

		public void handleMessage(android.os.Message msg){

			switch(msg.what){

			case SET:

				MainActivity.this.info.setText("MLDN-"+count++);

			}

		}

	};

	private TextView info = null;

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        this.info = (TextView)super.findViewById(R.id.info);

        Timer timer = new Timer();

        timer.schedule(new MyTask(), 0, 1000);

    }

    private class MyTask extends TimerTask{

    	public void run(){

    		Message msg = new Message();

    		msg.what = SET;

    		MainActivity.this.myHandler.sendMessage(msg);

    	}

    }

}