// Create the MainScreen and add the appropriate UI fields.
_screen = new MainScreen();
_screen.setTitle("Service Routing Demo");
final ServiceRouting sr = ServiceRouting.getInstance();
sr.addListener(this);
_statusField =
new RichTextField(
sr.isSerialBypassActive() ? "Serial Bypass: Connected"
: "Serial Bypass: Disconnected");
_screen.add(_statusField);