public void startApp() { if (mDisplay == null) { mDisplay = Display.getDisplay(this); } if (mMenu == null) { mMenu = new List("MohairMIDlet", List.IMPLICIT); mMenu.append(kQuerySlots, null); mMenu.append(kSignTest, null); mBackCommand = new Command("Back", Command.BACK, 0); mExitCommand = new Command("Exit", Command.EXIT, 0); mMenu.addCommand(mExitCommand); mMenu.setCommandListener(this); } mDisplay.setCurrent(mMenu); }