fix this

refilc_mobile_ui/lib/screens/login/kreten_login.dart

@@ -3,17 +3,17 @@
 import 'package:flutter/material.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
-class KretenLoginScreen extends StatefulWidget {
+class KretenLoginWidget extends StatefulWidget {
-  const KretenLoginScreen({super.key, required this.onLogin});
+  const KretenLoginWidget({super.key, required this.onLogin});
 
   // final String selectedSchool;
   final void Function(String code) onLogin;
 
   @override
-  State<KretenLoginScreen> createState() => _KretenLoginScreenState();
+  State<KretenLoginWidget> createState() => _KretenLoginWidgetState();
 }
 
-class _KretenLoginScreenState extends State<KretenLoginScreen> {
+class _KretenLoginWidgetState extends State<KretenLoginWidget> {
   late final WebViewController controller;
   var loadingPercentage = 0;
   var currentUrl = '';
@@ -24,20 +24,19 @@ class _KretenLoginScreenState extends State<KretenLoginScreen> {
     controller = WebViewController()
       ..setJavaScriptMode(JavaScriptMode.unrestricted)
       ..setNavigationDelegate(NavigationDelegate(
-        onNavigationRequest: (n) async {
+        onPageStarted: (url) async {
-          if (n.url.startsWith('https://mobil.e-kreta.hu')) {
           setState(() {
             loadingPercentage = 0;
-              currentUrl = n.url;
+            currentUrl = url;
           });
 
           // final String instituteCode = widget.selectedSchool;
-            // if (!n.url.startsWith(
+          if (!url.startsWith(
-            //     'https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect?code=')) {
+              'https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect?code=')) {
-            //   return;
+            return;
-            // }
+          }
 
-            List<String> requiredThings = n.url
+          List<String> requiredThings = url
               .replaceAll(
                   'https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect?code=',
                   '')
@@ -54,41 +53,6 @@ class _KretenLoginScreenState extends State<KretenLoginScreen> {
           //   Navigator.of(context).pop();
           // });
           // Navigator.of(context).pop();
-
-            return NavigationDecision.prevent;
-          } else {
-            return NavigationDecision.navigate;
-          }
-        },
-        onPageStarted: (url) async {
-          // setState(() {
-          //   loadingPercentage = 0;
-          //   currentUrl = url;
-          // });
-
-          // // final String instituteCode = widget.selectedSchool;
-          // if (!url.startsWith(
-          //     'https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect?code=')) {
-          //   return;
-          // }
-
-          // List<String> requiredThings = url
-          //     .replaceAll(
-          //         'https://mobil.e-kreta.hu/ellenorzo-student/prod/oauthredirect?code=',
-          //         '')
-          //     .replaceAll(
-          //         '&scope=openid%20email%20offline_access%20kreta-ellenorzo-webapi.public%20kreta-eugyintezes-webapi.public%20kreta-fileservice-webapi.public%20kreta-mobile-global-webapi.public%20kreta-dkt-webapi.public%20kreta-ier-webapi.public&state=refilc_student_mobile&session_state=',
-          //         ':')
-          //     .split(':');
-
-          // String code = requiredThings[0];
-          // // String sessionState = requiredThings[1];
-
-          // widget.onLogin(code);
-          // // Future.delayed(const Duration(milliseconds: 500), () {
-          // //   Navigator.of(context).pop();
-          // // });
-          // // Navigator.of(context).pop();
         },
         onProgress: (progress) {
           setState(() {
@@ -107,6 +71,7 @@ class _KretenLoginScreenState extends State<KretenLoginScreen> {
       );
   }
 
+  // Future<void> loadLoginUrl() async {
   //   String nonceStr = await Provider.of<KretaClient>(context, listen: false)
   //         .getAPI(KretaAPI.nonce, json: false);
 
@@ -115,22 +80,30 @@ class _KretenLoginScreenState extends State<KretenLoginScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return Stack(
-      appBar: AppBar(
-        leading: const BackButton(),
-        title: const Text('e-KRÉTA Bejelentkezés'),
-      ),
-      body: Stack(
       children: [
-          WebViewWidget(
+        // WebView that will only be visible when the loading is 100%
+        Visibility(
+          visible: loadingPercentage == 100,
+          maintainState: true, // Keep the WebView running in the background
+          child: WebViewWidget(
             controller: controller,
           ),
+        ),
+        // Show the CircularProgressIndicator while loading is not 100%
         if (loadingPercentage < 100)
-            LinearProgressIndicator(
+          Center(
-              value: loadingPercentage / 100.0,
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                CircularProgressIndicator(
+                  value: loadingPercentage /
+                      100.0, // Shows progress as a percentage
                 ),
               ],
             ),
+          ),
+      ],
     );
   }
 }