diff --git a/filcnaplo/lib/api/login.dart b/filcnaplo/lib/api/login.dart
index 9f3b2fd..02ec3a8 100644
--- a/filcnaplo/lib/api/login.dart
+++ b/filcnaplo/lib/api/login.dart
@@ -54,11 +54,6 @@ Future loginApi({
     "content-type": "application/x-www-form-urlencoded",
   };
 
-  String nonceStr = await Provider.of<KretaClient>(context, listen: false)
-      .getAPI(KretaAPI.nonce, json: false);
-
-  Nonce nonce = getNonce(nonceStr, username, instituteCode);
-
   Map? res = await Provider.of<KretaClient>(context, listen: false)
       .postAPI(KretaAPI.login,
           headers: headers,
diff --git a/filcnaplo/lib/helpers/notification_helper.dart b/filcnaplo/lib/helpers/notification_helper.dart
index c1cfcb6..ff0eb05 100644
--- a/filcnaplo/lib/helpers/notification_helper.dart
+++ b/filcnaplo/lib/helpers/notification_helper.dart
@@ -4,7 +4,6 @@ import 'dart:ui';
 import 'package:filcnaplo/api/providers/database_provider.dart';
 import 'package:filcnaplo/api/providers/status_provider.dart';
 import 'package:filcnaplo/api/providers/user_provider.dart';
-import 'package:filcnaplo/database/init.dart';
 import 'package:filcnaplo/models/settings.dart';
 import 'package:filcnaplo/helpers/notification_helper.i18n.dart';
 import 'package:filcnaplo_kreta_api/client/client.dart';
@@ -19,7 +18,6 @@ class NotificationsHelper {
     FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
         FlutterLocalNotificationsPlugin();
     DatabaseProvider database = DatabaseProvider();
-    var db = await initDB(database);
     await database.init();
     SettingsProvider settingsProvider =
         await database.query.getSettings(database);
@@ -45,14 +43,15 @@ class NotificationsHelper {
       // loop through grades and see which hasn't been seen yet
       for (Grade grade in grades) {
         // if the grade was added over a week ago, don't show it to avoid notification spam
-        if (grade.seenDate.isAfter(lastSeenGrade) && grade.date.difference(DateTime.now()).inDays * -1 < 7) {
+        if (grade.seenDate.isAfter(lastSeenGrade) &&
+            grade.date.difference(DateTime.now()).inDays * -1 < 7) {
           // send notificiation about new grade
           const AndroidNotificationDetails androidNotificationDetails =
               AndroidNotificationDetails('GRADES', 'Jegyek',
                   channelDescription: 'Értesítés jegyek beírásakor',
                   importance: Importance.max,
                   priority: Priority.max,
-                  color: const Color(0xFF3D7BF4),
+                  color: Color(0xFF3D7BF4),
                   ticker: 'Jegyek');
           const NotificationDetails notificationDetails =
               NotificationDetails(android: androidNotificationDetails);
diff --git a/filcnaplo/lib/main.dart b/filcnaplo/lib/main.dart
index 9f5c788..a7ad317 100644
--- a/filcnaplo/lib/main.dart
+++ b/filcnaplo/lib/main.dart
@@ -6,7 +6,6 @@ import 'package:filcnaplo/api/providers/database_provider.dart';
 import 'package:filcnaplo/database/init.dart';
 import 'package:filcnaplo/helpers/notification_helper.dart';
 import 'package:filcnaplo/models/settings.dart';
-import 'package:filcnaplo_kreta_api/client/client.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:filcnaplo/app.dart';
@@ -57,50 +56,48 @@ class Startup {
     // Get permission to show notifications
     if (Platform.isAndroid) {
       await flutterLocalNotificationsPlugin
-      .resolvePlatformSpecificImplementation<
-            AndroidFlutterLocalNotificationsPlugin>()!
-      .requestPermission();
-    }
-    else if (Platform.isIOS) {
+          .resolvePlatformSpecificImplementation<
+              AndroidFlutterLocalNotificationsPlugin>()!
+          .requestPermission();
+    } else if (Platform.isIOS) {
       await flutterLocalNotificationsPlugin
-      .resolvePlatformSpecificImplementation<
-            IOSFlutterLocalNotificationsPlugin>()
-        ?.requestPermissions(
-          alert: false,
-          badge: true,
-          sound: true,
-        );
-    }
-    else if (Platform.isMacOS) {
+          .resolvePlatformSpecificImplementation<
+              IOSFlutterLocalNotificationsPlugin>()
+          ?.requestPermissions(
+            alert: false,
+            badge: true,
+            sound: true,
+          );
+    } else if (Platform.isMacOS) {
       await flutterLocalNotificationsPlugin
-      .resolvePlatformSpecificImplementation<
-            MacOSFlutterLocalNotificationsPlugin>()
-        ?.requestPermissions(
-          alert: false,
-          badge: true,
-          sound: true,
-        );
+          .resolvePlatformSpecificImplementation<
+              MacOSFlutterLocalNotificationsPlugin>()
+          ?.requestPermissions(
+            alert: false,
+            badge: true,
+            sound: true,
+          );
     }
 
     // Platform specific settings
-    final DarwinInitializationSettings initializationSettingsDarwin =
-      DarwinInitializationSettings(
-    requestSoundPermission: true,
-    requestBadgePermission: true,
-    requestAlertPermission: false,
-  );
+    const DarwinInitializationSettings initializationSettingsDarwin =
+        DarwinInitializationSettings(
+      requestSoundPermission: true,
+      requestBadgePermission: true,
+      requestAlertPermission: false,
+    );
     const AndroidInitializationSettings initializationSettingsAndroid =
-      AndroidInitializationSettings('ic_notification');
-    final InitializationSettings initializationSettings = InitializationSettings(
-    android: initializationSettingsAndroid,
-    iOS: initializationSettingsDarwin,
-    macOS: initializationSettingsDarwin
-  );
+        AndroidInitializationSettings('ic_notification');
+    const InitializationSettings initializationSettings =
+        InitializationSettings(
+            android: initializationSettingsAndroid,
+            iOS: initializationSettingsDarwin,
+            macOS: initializationSettingsDarwin);
 
-  // Initialize notifications
-  await flutterLocalNotificationsPlugin.initialize(
-    initializationSettings,
-  );
+    // Initialize notifications
+    await flutterLocalNotificationsPlugin.initialize(
+      initializationSettings,
+    );
   }
 }
 
@@ -129,36 +126,44 @@ Widget errorBuilder(FlutterErrorDetails details) {
     return Container();
   });
 }
-  Future<void> initPlatformState() async {
-    // Configure BackgroundFetch.
-    int status = await BackgroundFetch.configure(BackgroundFetchConfig(
-        minimumFetchInterval: 15,
-        stopOnTerminate: false,
-        enableHeadless: true,
-        requiresBatteryNotLow: false,
-        requiresCharging: false,
-        requiresStorageNotLow: false,
-        requiresDeviceIdle: false,
-        requiredNetworkType: NetworkType.ANY,
-        startOnBoot: true
-    ), (String taskId) async {  // <-- Event handler
+
+Future<void> initPlatformState() async {
+  // Configure BackgroundFetch.
+  int status = await BackgroundFetch.configure(
+      BackgroundFetchConfig(
+          minimumFetchInterval: 15,
+          stopOnTerminate: false,
+          enableHeadless: true,
+          requiresBatteryNotLow: false,
+          requiresCharging: false,
+          requiresStorageNotLow: false,
+          requiresDeviceIdle: false,
+          requiredNetworkType: NetworkType.ANY,
+          startOnBoot: true), (String taskId) async {
+    // <-- Event handler
+    if (kDebugMode) {
       print("[BackgroundFetch] Event received $taskId");
-      NotificationsHelper().backgroundJob();
-      BackgroundFetch.finish(taskId);
-    }, (String taskId) async {  // <-- Task timeout handler.
+    }
+    NotificationsHelper().backgroundJob();
+    BackgroundFetch.finish(taskId);
+  }, (String taskId) async {
+    // <-- Task timeout handler.
+    if (kDebugMode) {
       print("[BackgroundFetch] TASK TIMEOUT taskId: $taskId");
-      BackgroundFetch.finish(taskId);
-    });
+    }
+    BackgroundFetch.finish(taskId);
+  });
+  if (kDebugMode) {
     print('[BackgroundFetch] configure success: $status');
-    BackgroundFetch.scheduleTask(TaskConfig(
-        taskId: "com.transistorsoft.refilcnotification",
-        delay: 900000, // 15 minutes
-        periodic: true,
-        forceAlarmManager: true,
-        stopOnTerminate: false,
-        enableHeadless: true
-    ));
   }
+  BackgroundFetch.scheduleTask(TaskConfig(
+      taskId: "com.transistorsoft.refilcnotification",
+      delay: 900000, // 15 minutes
+      periodic: true,
+      forceAlarmManager: true,
+      stopOnTerminate: false,
+      enableHeadless: true));
+}
 
 @pragma('vm:entry-point')
 void backgroundHeadlessTask(HeadlessTask task) {
@@ -170,7 +175,7 @@ void backgroundHeadlessTask(HeadlessTask task) {
     }
     BackgroundFetch.finish(taskId);
     return;
-  }  
+  }
   if (kDebugMode) {
     print('[BackgroundFetch] Headless event received.');
   }
diff --git a/filcnaplo_mobile_ui/lib/pages/home/live_card/live_card.dart b/filcnaplo_mobile_ui/lib/pages/home/live_card/live_card.dart
index aed3234..e2effb0 100755
--- a/filcnaplo_mobile_ui/lib/pages/home/live_card/live_card.dart
+++ b/filcnaplo_mobile_ui/lib/pages/home/live_card/live_card.dart
@@ -58,7 +58,7 @@ class _LiveCardState extends State<LiveCard> {
           key: const Key('livecard.summary'),
           title: '',
           icon: FeatherIcons.arrowRight,
-          description: Text(''),
+          description: const Text(''),
           onTap: () => Navigator.of(context).push(
             MaterialPageRoute(
               builder: (BuildContext context) => const SummaryScreen(