BlackBerry programing - create borderless popup screen

问题

Do you know how to create borderless popup screen within Blackberry app?

回答1:

PopupScreen popup = new PopupScreen(new VerticalFieldManager());
popup.add(new LabelField("Hello!"));
Border border = BorderFactory.createSimpleBorder(
        new XYEdges(), Border.STYLE_TRANSPARENT);
popup.setBorder(border);

来源：https://stackoverflow.com/questions/4216382/blackberry-programing-create-borderless-popup-screen