public void execute(ReadOnlyCommandMetadata metadata, Object context) {
Utilities.log("XXXX ChooseNoughtCommand - execute");
// only ever called by player 1 from the symbol selection screen
GameScreen screen = GameScreen.getInstance(Constants.PLAYER_1,Constants.PLAYER_SYMBOL_NOUGHT);
synchronized(UiApplication.getUiApplication().getEventLock()) {
synchronized (UiApplication.getEventLock()) {
UiApplication.getUiApplication().popScreen(current_screen);
UiApplication.getUiApplication().pushScreen(screen);