phase3: nullfix field-formal field-nullable handler. 907 -> 872

lib/pages/attribute_selection.dart

@@ -6,9 +6,9 @@ import '../models/business.dart';
 import '../models/product.dart';
 
 class AttributeSelection extends StatelessWidget {
-  final Product product;
-  final Business business;
-  final GlobalKey startKey;
+  final Product? product;
+  final Business? business;
+  final GlobalKey? startKey;
 
   const AttributeSelection({Key? key, this.product, this.business, this.startKey}) : super(key: key);
 

lib/pages/buy_service.dart

@@ -19,7 +19,7 @@ import '../widgets/mobile/mobile_renew_license.dart';
 class BuyService extends StatefulWidget {
   final int gid;
   final String serviceName;
-  final String domain;
+  final String? domain;
   final int sid;
 
   const BuyService(this.gid, this.serviceName, {Key? key, this.domain, this.sid = 0}) :

lib/pages/contact_us.dart

@@ -12,7 +12,7 @@ import '../widgets/desktop/desktop_contact_us.dart';
 import '../widgets/mobile/mobile_contact_us.dart';
 
 class ContactUs extends StatefulWidget {
-  final int businessId;
+  final int? businessId;
 
   const ContactUs({this.businessId, Key? key}) :
       super(key: key);

lib/pages/new_address.dart

@@ -8,8 +8,8 @@ import '../widgets/mobile/mobile_new_address.dart';
 
 class NewAddress extends StatelessWidget {
   final Key? key;
-  final LocatedAddress locatedAddress;
-  final int businessId;
+  final LocatedAddress? locatedAddress;
+  final int? businessId;
   const NewAddress({this.key, this.locatedAddress, this.businessId}) : super(key: key);
 
   @override

lib/pages/plain_page.dart

@@ -12,7 +12,7 @@ import '../utils/http_util.dart';
 import '../utils/utils.dart';
 
 class PlainPage extends StatefulWidget {
-  final int businessId;
+  final int? businessId;
   final String slug;
 
   const PlainPage(this.slug, {this.businessId, Key? key}) :

lib/pages/product_detail_page.dart

@@ -10,8 +10,8 @@ import '../widgets/desktop/desktop_product_detail_page.dart';
 import '../widgets/mobile/mobile_product_detail_page.dart';
 
 class ProductDetailPage extends StatelessWidget {
-  final Business business;
-  final Product product;
+  final Business? business;
+  final Product? product;
 
   const ProductDetailPage({this.business, this.product, Key? key}) :
       super(key: key);

lib/pages/reset_password.dart

@@ -13,7 +13,7 @@ import '../widgets/mobile/mobile_reset_password.dart';
 
 class ResetPassword extends StatelessWidget {
   final String mobile;
-  final String code;
+  final String? code;
   const ResetPassword(this.mobile, {Key? key, this.code}) : super(key: key);
 
   @override

lib/pages/set_password.dart

@@ -13,7 +13,7 @@ import '../widgets/mobile/mobile_set_password.dart';
 
 class SetPassword extends StatelessWidget {
   final String mobile;
-  final String code;
+  final String? code;
   const SetPassword(this.mobile, {Key? key, this.code}) : super(key: key);
 
   @override

lib/pages/shop.dart

@@ -8,7 +8,7 @@ import '../widgets/desktop/shop.dart' as desktop;
 import '../widgets/mobile/shop.dart' as mobile;
 
 class Shop extends StatefulWidget {
-  final int businessId;
+  final int? businessId;
 
   const Shop({this.businessId, Key? key}) : super(key: key);