public class ExampleApp extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		AlertDialog.Builder alt_bld = new AlertDialog.Builder(this);
		alt_bld.setMessage("Do you want to close this window ?")
				.setCancelable(false)
				.setPositiveButton("Yes",
						new DialogInterface.OnClickListener() {
							public void onClick(DialogInterface dialog, int id) {
								// Action for 'Yes' Button
							}
						})
				.setNegativeButton("No", new DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int id) {
						// Action for 'NO' Button
						dialog.cancel();
					}
				});
		AlertDialog alert = alt_bld.create();
		// Title for AlertDialog
		alert.setTitle("Title");
		// Icon for AlertDialog
		alert.setIcon(R.drawable.icon);
		alert.show();
	}
}