WT1.1.2 build 32 login error messages fixes

lib/view/login.dart

@@ -51,7 +51,8 @@ class _LoginWidget extends State<LoginWidget> with Common, Trans {
                 },
                 onFailure: (context, state) {
                   LoadingDialog.hide(context);
-                  showInSnackBar(t(state.failureResponse));
+                  Scaffold.of(context).showSnackBar(SnackBar(
+                      backgroundColor: Colors.orange, content: Text(t(state.failureResponse), style: TextStyle(color: Colors.white))));
                 },
                 onLoaded: (context, state) {},
                 child: loadForm(loginBloc, accountBloc)),
@@ -159,9 +160,4 @@ class _LoginWidget extends State<LoginWidget> with Common, Trans {
           ])),
     );
   }
-
-  void showInSnackBar(String error) {
-    _scaffoldKey.currentState
-        .showSnackBar(SnackBar(backgroundColor: Colors.orange, content: Text(error, style: TextStyle(color: Colors.white))));
-  }
 }

lib/view/registration.dart

@@ -4,6 +4,7 @@ import 'package:aitrainer_app/localization/app_localization.dart';
 import 'package:aitrainer_app/util/common.dart';
 import 'package:aitrainer_app/repository/customer_repository.dart';
 import 'package:aitrainer_app/repository/user_repository.dart';
+import 'package:aitrainer_app/util/trans.dart';
 import 'package:aitrainer_app/widgets/app_bar_min.dart';
 import 'package:aitrainer_app/widgets/splash.dart';
 import 'package:flutter/material.dart';
@@ -34,11 +35,12 @@ class RegistrationWidget extends StatefulWidget {
   State<StatefulWidget> createState() => _RegistrationWidget();
 }
 
-class _RegistrationWidget extends State<RegistrationWidget> with Common {
+class _RegistrationWidget extends State<RegistrationWidget> with Common, Trans {
   final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
 
   @override
   Widget build(BuildContext context) {
+    setContext(context);
     // ignore: close_sinks
     final accountBloc = BlocProvider.of<AccountBloc>(context);
     return BlocProvider(
@@ -60,7 +62,8 @@ class _RegistrationWidget extends State<RegistrationWidget> with Common {
               },
               onFailure: (context, state) {
                 LoadingDialog.hide(context);
-                showInSnackBar(state.failureResponse);
+                Scaffold.of(context).showSnackBar(SnackBar(
+                    backgroundColor: Colors.orange, content: Text(t(state.failureResponse), style: TextStyle(color: Colors.white))));
               },
               child: SafeArea(
                 bottom: false,
@@ -158,11 +161,4 @@ class _RegistrationWidget extends State<RegistrationWidget> with Common {
           );
         }));
   }
-
-  void showInSnackBar(String error) {
-    _scaffoldKey.currentState.showSnackBar(SnackBar(
-        backgroundColor: Colors.orange,
-        content: Text(AppLocalizations.of(context).translate("There is an error: during registration:") + " " + error,
-            style: TextStyle(color: Colors.white))));
-  }
 }