如何修改Screen背景？How to - Change the background color of a screen

How to - Change the background color of a screen

 

http://www.blackberry.com/knowledgecenterpublic/livelink.exe/fetch/2000/348583/800332/800505/800256/How_to_-_Change_the_background_color_of_a_screen.html?nodeid=800335&vernum=0

 

在BlackBerry 平台5.0.0中，你可以在Screen的构造方法中用以下代码修改屏幕的背景颜色，甚至背景图片。

  VerticalFieldManager manager;
  manager = (VerticalFieldManager) getMainManager();
  Background bg = BackgroundFactory.createSolidBackground(Color.LIGHTBLUE);
  manager.setBackground(bg);