1  package com.example.helloworld;
 2  
 3  import android.app.Activity;
 4  import android.os.Bundle;
 5  import android.widget.TextView;
 6  
 7  public class HelloWorld extends Activity {
 8     /** Called when the activity is first created. */
 9     @Override
10     public void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         TextView tv = new TextView(this);
13         tv.setText("Hello World");
14         setContentView(tv);
15     }
16  }