phase3: util_web + shop_scroll (custom scroll) null-safe; global Key? param fix

lib/widgets/mobile/create_online_store_1.dart

@@ -12,7 +12,7 @@ import '../../utils/utils.dart';
 class CreateOnlineStore1 extends StatefulWidget {
   final int businessId;
 
-  const CreateOnlineStore1(this.businessId, {Key key}) : super(key: key);
+  const CreateOnlineStore1(this.businessId, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_attribute_selection.dart

@@ -19,7 +19,7 @@ import '../../widgets/general/attribute/radio_options.dart';
 class MobileAttributeSelection extends StatefulWidget {
   final Product product;
   final Business business;
-  final Key key;
+  final Key? key;
   final GlobalKey startKey;
 
   const MobileAttributeSelection({@required this.product, @required this.business, this.key, this.startKey})

lib/widgets/mobile/mobile_blog.dart

@@ -18,7 +18,7 @@ import '../../widgets/mobile/MobileBottomNav.dart';
 
 class MobileBlog extends StatefulWidget {
   final int businessId;
-  const MobileBlog({Key key, this.businessId}) : super(key: key);
+  const MobileBlog({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_buy_service.dart

@@ -11,7 +11,7 @@ import '../../utils/utils.dart';
 class MobileBuyService extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  const MobileBuyService(this.data, {Key key})
+  const MobileBuyService(this.data, {Key? key})
       : super(key: key);
 
   @override

lib/widgets/mobile/mobile_change_mobile_or_email.dart

@@ -15,7 +15,7 @@ import '../../utils/utils.dart';
 class MobileChangeMobileOrEmail extends StatefulWidget {
   final bool isMobile;
 
-  const MobileChangeMobileOrEmail(this.isMobile, {Key key}) : super(key: key);
+  const MobileChangeMobileOrEmail(this.isMobile, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_change_password.dart

@@ -6,7 +6,7 @@ import '../../utils/utils.dart';
 import '../../generated/l10n.dart';
 
 class MobileChangePassword extends StatefulWidget {
-  const MobileChangePassword({Key key}) : super(key: key);
+  const MobileChangePassword({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_checkout.dart

@@ -32,7 +32,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/sliding_up_panel.dart';
 
 class MobileCheckout extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
 
   const MobileCheckout(this.businessId, {this.key,}) : super(key: key);

lib/widgets/mobile/mobile_contact_us.dart

@@ -15,7 +15,7 @@ import '../../widgets/general/text_link.dart';
 class MobileContactUs extends StatefulWidget {
   final Business business;
 
-  const MobileContactUs(this.business, {Key key}) : super(key: key);
+  const MobileContactUs(this.business, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_coupons.dart

@@ -14,7 +14,7 @@ import '../../utils/utils.dart';
 
 class MobileCoupons extends StatefulWidget {
   final int contactId;
-  final Key key;
+  final Key? key;
   const MobileCoupons(this.contactId, {this.key});
 
   @override

lib/widgets/mobile/mobile_download_apps.dart

@@ -7,7 +7,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 class MobileDownloadApps extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  MobileDownloadApps(this.data, {Key key}) : super(key: key);
+  MobileDownloadApps(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_edit_address.dart

@@ -18,7 +18,7 @@ import '../general/gender_selection.dart';
 import '../../routes.dart';
 
 class MobileEditAddress extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final Address address;
   final int businessId;
   const MobileEditAddress(this.address, {this.key, int businessId}) :

lib/widgets/mobile/mobile_forgot_password.dart

@@ -12,7 +12,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class MobileForgotPassword extends StatefulWidget {
-  const MobileForgotPassword({Key key}) : super(key: key);
+  const MobileForgotPassword({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_igoshow_learn_more.dart

@@ -5,7 +5,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 
 class MobileiGoShowLearnMore extends StatefulWidget {
   final Map<String, dynamic> data;
-  const MobileiGoShowLearnMore(this.data, {Key key}) : super(key: key);
+  const MobileiGoShowLearnMore(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_login.dart

@@ -11,7 +11,7 @@ import '../../store/actions.dart';
 import '../../store/store.dart';
 
 class MobileLogin extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const MobileLogin({this.key}) : super(key: key);
 

lib/widgets/mobile/mobile_me.dart

@@ -25,7 +25,7 @@ double statusBarHeight;
 double screenHeight;
 
 class MobileMe extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const MobileMe({this.key}) : super(key: key);
 

lib/widgets/mobile/mobile_minipos_learn_more.dart

@@ -4,7 +4,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 
 class MobileMiniPosLearnMore extends StatefulWidget {
   final Map<String, dynamic> data;
-  const MobileMiniPosLearnMore(this.data, {Key key}) : super(key: key);
+  const MobileMiniPosLearnMore(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_my_addresses.dart

@@ -17,7 +17,7 @@ import '../../routes.dart';
 
 class MobileMyAddresses extends StatefulWidget {
   final int businessId;
-  const MobileMyAddresses({Key key, this.businessId}) : super(key: key);
+  const MobileMyAddresses({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_my_support.dart

@@ -18,7 +18,7 @@ import '../../widgets/mobile/MobileBottomNav.dart';
 
 class MobileMySupport extends StatefulWidget {
   final int businessId;
-  const MobileMySupport({Key key, this.businessId}) : super(key: key);
+  const MobileMySupport({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_new_address.dart

@@ -11,7 +11,7 @@ import '../../store/store.dart';
 import '../../utils/http_util.dart';
 
 class MobileNewAddress extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final LocatedAddress locatedAddress;
   final int businessId;
   const MobileNewAddress({this.key, this.locatedAddress, this.businessId}) : super(key: key);

lib/widgets/mobile/mobile_new_comment.dart

@@ -19,7 +19,7 @@ import '../../utils/utils.dart';
 
 
 class MobileNewComment extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   const MobileNewComment(this.orderId, {this.key});
 

lib/widgets/mobile/mobile_new_ticket.dart

@@ -17,7 +17,7 @@ import '../../store/store.dart';
 import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dart';
 
 class MobileNewTicket extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
 
   const MobileNewTicket({this.key, int businessId}) :

lib/widgets/mobile/mobile_new_user.dart

@@ -11,7 +11,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class MobileNewUser extends StatefulWidget {
-  const MobileNewUser({Key key}) : super(key: key);
+  const MobileNewUser({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_order_detail.dart

@@ -24,7 +24,7 @@ import '../../routes.dart';
 import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dart';
 
 class MobileOrderDetail extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   final bool fromOrders;
   const MobileOrderDetail(this.orderId, {this.key, this.fromOrders});

lib/widgets/mobile/mobile_orders.dart

@@ -18,7 +18,7 @@ import 'package:pull_to_refresh/pull_to_refresh.dart';
 import 'MobileBottomNav.dart';
 
 class MobileOrders extends StatefulWidget {
-  final Key key;
+  final Key? key;
   const MobileOrders({this.key});
 
   @override

lib/widgets/mobile/mobile_pay_now.dart

@@ -18,7 +18,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 import '../../utils/utils.dart';
 
 class MobilePayNow extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   const MobilePayNow(this.orderId, {this.key});
 

lib/widgets/mobile/mobile_plain_page.dart

@@ -8,7 +8,7 @@ import '../../models/blog.dart';
 class MobilePlainPage extends StatefulWidget {
   final Blog blog;
 
-  const MobilePlainPage(this.blog, {Key key}) : super(key: key);
+  const MobilePlainPage(this.blog, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_product_detail_page.dart

@@ -33,7 +33,7 @@ class MobileProductDetailPage extends StatefulWidget {
   final Product product;
 
   const MobileProductDetailPage(
-      {@required this.business, @required this.product, Key key})
+      {@required this.business, @required this.product, Key? key})
       : super(key: key);
 
   @override

lib/widgets/mobile/mobile_product_item.dart

@@ -15,7 +15,7 @@ class MobileProductItem extends StatefulWidget {
   final Product product;
   final Business business;
 
-  MobileProductItem({this.product, this.business, Key key})
+  MobileProductItem({this.product, this.business, Key? key})
     : super(key: key);
 
   @override

lib/widgets/mobile/mobile_renew_license.dart

@@ -13,7 +13,7 @@ import '../../utils/utils.dart';
 class MobileRenewLicense extends StatefulWidget {
   final int businessId;
 
-  const MobileRenewLicense(this.businessId, {Key key}) : super(key: key);
+  const MobileRenewLicense(this.businessId, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_renew_minioffice.dart

@@ -13,7 +13,7 @@ import '../../utils/utils.dart';
 class MobileRenewMiniOffice extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  const MobileRenewMiniOffice(this.data, {Key key}) : super(key: key);
+  const MobileRenewMiniOffice(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_reset_password.dart

@@ -12,7 +12,7 @@ class MobileResetPassword extends StatefulWidget {
   final String mobile;
   final String code;
 
-  const MobileResetPassword(this.mobile, {this.code, Key key})
+  const MobileResetPassword(this.mobile, {this.code, Key? key})
       : super(key: key);
 
   @override

lib/widgets/mobile/mobile_search_place.dart

@@ -14,7 +14,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class MobileSearchPlace extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
   const MobileSearchPlace(this.businessId, {this.key}) : super(key: key);
 

lib/widgets/mobile/mobile_set_password.dart

@@ -12,7 +12,7 @@ class MobileSetPassword extends StatefulWidget {
   final String mobile;
   final String code;
 
-  const MobileSetPassword(this.mobile, {Key key, this.code}) : super(key: key);
+  const MobileSetPassword(this.mobile, {Key? key, this.code}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/mobile/mobile_store_product_search.dart

@@ -16,7 +16,7 @@ import '../../utils/utils.dart';
 import '../../widgets/mobile/mobile_product_item.dart';
 
 class MobileStoreProductSearch extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final Business business;
 
   const MobileStoreProductSearch(this.business, {this.key});

lib/widgets/mobile/mobile_user_profile.dart

@@ -15,7 +15,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 import '../../utils/utils.dart';
 
 class MobileUserProfile extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const MobileUserProfile({this.key})
       : super(key: key);

lib/widgets/mobile/mobile_view_blog.dart

@@ -16,7 +16,7 @@ import '../../utils/utils.dart';
 import '../../utils/util_io.dart' if (dart.library.html) '../../utils/util_web.dart';
 
 class MobileViewBlog extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int bid;
 
   const MobileViewBlog(this.bid, {this.key}) : super(key: key);

lib/widgets/mobile/mobile_view_ticket.dart

@@ -20,7 +20,7 @@ import '../../utils/utils.dart';
 import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dart';
 
 class MobileViewTicket extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int ticketId;
 
   const MobileViewTicket(this.ticketId, {this.key}) : super(key: key);

lib/widgets/mobile/product_item.dart

@@ -19,7 +19,7 @@ class ProductItem extends StatefulWidget {
   final double imageWidth;
 
   const ProductItem(this.product, this.business, {
-    Key key,
+    Key? key,
     this.horizontal = false,
     this.imageWidth = 110,
   }) : super(key: key);

lib/widgets/mobile/product_search.dart

@@ -18,7 +18,7 @@ import 'product_item.dart';
 class ProductSearch extends StatefulWidget {
   final Business business;
 
-  const ProductSearch(this.business, {Key key}) : super(key: key);
+  const ProductSearch(this.business, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => ProductSearchState();

lib/widgets/mobile/shop.dart

@@ -45,7 +45,7 @@ double screenHeight;
 class Shop extends StatefulWidget {
   final int businessId;
 
-  const Shop({Key key, this.businessId}) : super(key: key);
+  const Shop({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => ShopState();