Exercise : 1

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

Screen Shot:

XML :

main.xml :

JAVA :

FirstActivity.java :

import android.app.Activity;
import android.os.Bundle;
public class FirstActivity extends Activity 
{
    /** @author GTU MCA PPT, www.gtumcappt.com */
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}