public void onBackPressed() {
		if (isTaskRoot() && (layoutShown == LAYOUT_CRITERIA)) {
			new AlertDialog.Builder(this)
					.setIcon(android.R.drawable.ic_dialog_alert)
					.setTitle(R.string.confirmQuitTitle)
					.setMessage(R.string.confirmQuit)
					.setPositiveButton(R.string.confirmQuitYes,
							new DialogInterface.OnClickListener() {
								public void onClick(DialogInterface dialog,
										int which) {
									// Stop the activity
									Intent intent = new Intent(Intent.ACTION_MAIN);
									intent.addCategory(Intent.CATEGORY_HOME);
									intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
									startActivity(intent);
									finish();
								}
							}).setNegativeButton(R.string.confirmQuitNo, null)
					.show();

			return;
		}