package joinc.example; 
 
import android.app.Activity; 
import android.os.Bundle; 
import android.widget.TextView;   
 
public class hello extends Activity { 
    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        TextView tv = new TextView(this); 
        tv.setText("Hello, Android"); 
        setContentView(tv); 
    } 
}