this.screen = StyleSheet.currentScreen;
if (StyleSheet.currentScreen != null) { this.screen = StyleSheet.currentScreen; } else if (this.screen == null) { this.screen = getScreen(); }
	private void showTextBox() {		if (this.midpTextBox == null) {			createTextBox();		}		this.screen = StyleSheet.currentScreen;		StyleSheet.display.setCurrent( this.midpTextBox );	}