Create “Hello World” application. That will display “Hello World” in the middle of the screen in the red color with white background.

Pro1Activity.java

package ps.pro1;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.widget.RelativeLayout;
import android.widget.TextView;

public class Pro1Activity extends Activity {
   /**
     *  www.master-gtu.blogspot.com
     *  pankaj sharma(8460479175),
     *  chavda vijay(8460420769) 
     */
 RelativeLayout rl;
 TextView tvmsg;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        rl=(RelativeLayout) findViewById(R.id.rl);
        tvmsg = (TextView) findViewById(R.id.textView1);
        
        rl.setBackgroundColor(Color.WHITE);
        tvmsg.setTextColor(Color.RED);
    }
}