Create responsive.dart

Author: qwertypool

responsive.dart

@@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+
+class Responsive extends StatelessWidget {
+  final Widget mobile;
+  final Widget tablet;
+  final Widget desktop;
+
+  const Responsive({
+    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;
+        }
+      },
+    );
+  }
+}