To handle responsive layouts

responsive_view.dart

import 'package:flutter/material.dart';

class ResponsiveView extends StatelessWidget {
  final Widget mobile;
  final Widget tablet;
  final Widget desktop;
  const ResponsiveView({
    Key? key,
    required this.mobile,
    required this.tablet,
    required this.desktop,
  }) : super(key: key);

// maybe you need some customization depends on your design
  static bool isExtraSmall(BuildContext context) =>
      MediaQuery.of(context).size.width < 470;

  static bool isMobile(BuildContext context) =>
      MediaQuery.of(context).size.width < 650 &&
      MediaQuery.of(context).size.width >= 470;

  static bool isTablet(BuildContext context) =>
      MediaQuery.of(context).size.width < 1000 &&
      MediaQuery.of(context).size.width >= 650;

  static bool isDesktop(BuildContext context) =>
      MediaQuery.of(context).size.width >= 1024;

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(builder: (context, breackPoint) {
      // if our width is more then 1100 then we consider it a desktop
      if (breackPoint.maxWidth >= 1000) {
        return desktop;
      }
      // if our width is less then 1100 and more then 650 we consider it as tablet
      else if (breackPoint.maxWidth >= 650) {
        return tablet;
      }
      // or less then that we called it mobile
      else {
        return mobile;
      }
    });
  }
}