Flutter中获取设备的宽度和高度

Flutter中获取设备的宽度和高度的方法如下

Widget build(BuildContext context) {
  
  // ScreenUtil.instance = ScreenUtil(width: 750, height: 1334)..init(context);

  final size =MediaQuery.of(context).size;
  final width =size.width;
  final height =size.height;
  
}