final

lib/widgets/mobile/mobile_new_ticket.dart

@@ -1,5 +1,5 @@
 
-import 'package:badges/badges.dart';
+import 'package:badges/badges.dart' as badges;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_spinkit/flutter_spinkit.dart';
@@ -17,10 +17,9 @@ 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 int businessId;
 
-  const MobileNewTicket({this.key, int businessId}) :
+  const MobileNewTicket({Key? key, required int businessId}) :
         businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
@@ -110,8 +109,8 @@ class MobileNewTicketState extends State<MobileNewTicket> {
                       fontSize: 18.0
                   ),
                   autofocus: true,
-                  validator: (String value) {
-                    if (value.trim().isEmpty) {
+                  validator: (String? value) {
+                    if (value == null || value.trim().isEmpty) {
                       return S.of(context).this_field_is_required;
                     }
                     return null;
@@ -162,7 +161,7 @@ class MobileNewTicketState extends State<MobileNewTicket> {
             padding: EdgeInsets.only(top: 20.0, left: 16.0, right: 16.0, bottom: 20.0),
             child: ElevatedButton(
               style: ElevatedButton.styleFrom(
-                primary: Theme.of(context).primaryColor,
+                backgroundColor: Theme.of(context).primaryColor,
               ),
               child: Text(
                 S.of(context).submit,
@@ -221,8 +220,8 @@ class MobileNewTicketState extends State<MobileNewTicket> {
   }
 
   void _submit() {
-    final FormState form = _formKey.currentState;
-    if (form.validate()) {
+    final FormState? form = _formKey.currentState;
+    if (form != null && form.validate()) {
       setState(() {
         onSubmitting = true;
       });
@@ -331,14 +330,13 @@ class MobileNewTicketState extends State<MobileNewTicket> {
                     galleryImagesFlag[imageId]['path'] = path;
                   });
                 });
-                return null;
               }
           );
         },
       );
 
-      row.children.add(Badge(
-        position: BadgePosition.topEnd(top: -10.0, end: 10.0),
+      row.children.add(badges.Badge(
+        position: badges.BadgePosition.topEnd(top: -10.0, end: 10.0),
         badgeContent: Container(
           child: GestureDetector(
             child: Icon(
@@ -374,7 +372,7 @@ class MobileNewTicketState extends State<MobileNewTicket> {
             ElevatedButton(
               child: Text(S.of(context).yes_i_am_sure),
               style: ElevatedButton.styleFrom(
-                primary: Theme.of(context).primaryColor,
+                backgroundColor: Theme.of(context).primaryColor,
               ),
               onPressed: () {
                 Navigator.of(context).pop();