backup. before shop update

lib/pages/contact_us.dart

@@ -0,0 +1,70 @@
+
+import 'package:flutter/material.dart';
+import 'package:flutter_spinkit/flutter_spinkit.dart';
+import 'package:responsive_builder/responsive_builder.dart';
+
+import '../models/business.dart';
+import '../store/actions.dart';
+import '../store/store.dart';
+import '../utils/http_util.dart';
+import '../utils/utils.dart';
+import '../widgets/desktop/desktop_contact_us.dart';
+import '../widgets/mobile/mobile_contact_us.dart';
+
+class ContactUs extends StatefulWidget {
+  final int businessId;
+
+  const ContactUs({this.businessId, Key key}) :
+      super(key: key);
+
+  @override
+  State<StatefulWidget> createState() => ContactUsState();
+}
+
+class ContactUsState extends State<ContactUs> {
+  Business business;
+
+  @override
+  Widget build(BuildContext context) {
+
+    store.dispatch(UpdateContext(context));
+
+    if (business == null) {
+      return new Scaffold(
+        body: Center(
+          child: SpinKitWave(
+            color: Colors.lightBlueAccent,
+            size: 40.0,
+          ),
+        ),
+      );
+    }
+
+    return ResponsiveBuilder(
+      builder: (context, sizingInformation) =>
+          ScreenTypeLayout(
+            mobile: MobileContactUs(business),
+            tablet: DesktopContactUs(business),
+            desktop: DesktopContactUs(business),
+          ),
+    );
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    loadData();
+  }
+
+  void loadData() {
+    HttpUtil.httpGet(
+      'v1/get-business',
+      businessId: widget.businessId,
+    ).then((value) {
+      business = Business.fromJson(value);
+      setState(() {});
+    }).onError((error, stackTrace) {
+      Utils.showMessageDialog(context, error);
+    });
+  }
+}