double height = MediaQuery.of(context).size.height;
double width = MediaQuery.of(context).size.width;
double width = MediaQuery.of(context).size.width;
double height = MediaQuery.of(context).size.height;
import 'package:flutter_screenutil/flutter_screenutil.dart';
dependencies:
flutter:
sdk: flutter
# add flutter_ScreenUtil
flutter_screenutil: ^0.4.2