eclipse/plugins/com.android.ide.eclipse.adt/templates/java_file.template

package PACKAGE;
IMPORT_RESOURCE_CLASS
import android.app.Activity;
import android.os.Bundle;

public class ACTIVITY_NAME extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}