private void updateFullScreen() { MainFeatureFactory mainFeatureFactory = MainFeatureFactory.getInstance(); boolean isFullScreen = Features.getInstance().isFeature(mainFeatureFactory.FULL_SCREEN); // fire should be called in Canvas setFullScreenMode // ScreenListenerHandler.getInstance().fire(isFullScreen); Displayable displayable = this.getDisplay().getCurrent(); if (displayable instanceof Canvas) { ((Canvas) displayable).setFullScreenMode(isFullScreen); } // this.commandAction( // gameCommandsFactory.QUIT_COMMAND, displayable); }