import 'dart:io'; import 'package:flutter_screenutil/flutter_screenutil.dart'; class Device { static getRatio(int value) { int uiwidth = value is int ? value : 750; return ScreenUtil().screenWidth / uiwidth; } static getRpx(double value) { return value * getRatio(750); } static getBottomPadding() { return ScreenUtil().screenHeight; } static getTopPadding() { return ScreenUtil().screenHeight; } static getWidth() { return ScreenUtil().screenWidth; } static Platform platform = Platform(); }