import 'package:flutter/material.dart'; class Responsive extends StatelessWidget { final Widget mobile; final Widget tablet; final Widget desktop; const Responsive({ required Key key, required this.mobile, required this.tablet, required this.desktop, }) : super(key: key); // This size work fine on my design, maybe you need some customization depends on your design // This isMobile, isTablet, isDesktop helep us later static bool isMobile(BuildContext context) => MediaQuery.of(context).size.width < 650; static bool isTablet(BuildContext context) => MediaQuery.of(context).size.width < 1100 && MediaQuery.of(context).size.width >= 650; static bool isDesktop(BuildContext context) => MediaQuery.of(context).size.width >= 1100; @override Widget build(BuildContext context) { return LayoutBuilder( // If our width is more than 1100 then we consider it a desktop builder: (context, constraints) { if (constraints.maxWidth >= 1100) { return desktop; } // If width it less then 1100 and more then 650 we consider it as tablet else if (constraints.maxWidth >= 650) { return tablet; } // Or less then that we called it mobile else { return mobile; } }, ); } }