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是否可以从默认的蓝灰色更改屏幕菜单的背景颜色？
您可以使用public void setBackground(Background background) [net.rim.device.api.ui.component.Menu] 来改变背景。Null 值将提供默认背景（系统主题）。（自 BlackBerry API 5.0.0起）