diff --git a/lib/app.dart b/lib/app.dart
index ffe9a92..7b506f2 100644
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -21,7 +21,7 @@ import 'view/pages/talk/chatList.dart';
 import 'view/pages/timetable/timetable.dart';
 
 class App extends StatefulWidget {
-  const App({Key? key}) : super(key: key);
+  const App({super.key});
 
   static PersistentTabController bottomNavigator = PersistentTabController(initialIndex: 0);
 
diff --git a/lib/main.dart b/lib/main.dart
index 7c14aef..bc6507a 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -4,7 +4,6 @@ import 'dart:io';
 
 import 'package:firebase_core/firebase_core.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:jiffy/jiffy.dart';
@@ -69,7 +68,7 @@ Future<void> main() async {
 }
 
 class Main extends StatefulWidget {
-  const Main({Key? key}) : super(key: key);
+  const Main({super.key});
 
   @override
   State<Main> createState() => _MainState();
diff --git a/lib/view/login/login.dart b/lib/view/login/login.dart
index 6b597a5..edadcdc 100644
--- a/lib/view/login/login.dart
+++ b/lib/view/login/login.dart
@@ -11,7 +11,7 @@ import '../../model/accountData.dart';
 import '../../model/accountModel.dart';
 
 class Login extends StatefulWidget {
-  const Login({Key? key}) : super(key: key);
+  const Login({super.key});
 
   @override
   State<Login> createState() => _LoginState();
diff --git a/lib/view/pages/files/fileElement.dart b/lib/view/pages/files/fileElement.dart
index aa9554b..0edf09e 100644
--- a/lib/view/pages/files/fileElement.dart
+++ b/lib/view/pages/files/fileElement.dart
@@ -21,7 +21,7 @@ class FileElement extends StatefulWidget {
   final CacheableFile file;
   final List<String> path;
   final void Function() refetch;
-  const FileElement(this.file, this.path, this.refetch, {Key? key}) : super(key: key);
+  const FileElement(this.file, this.path, this.refetch, {super.key});
 
   static Future<DownloaderCore> download(BuildContext context, String remotePath, String name, Function(double) onProgress, Function(OpenResult) onDone) async {
     Directory paths = await getTemporaryDirectory();
diff --git a/lib/view/pages/files/fileUploadDialog.dart b/lib/view/pages/files/fileUploadDialog.dart
index c7eb658..f4fa898 100644
--- a/lib/view/pages/files/fileUploadDialog.dart
+++ b/lib/view/pages/files/fileUploadDialog.dart
@@ -15,7 +15,7 @@ class FileUploadDialog extends StatefulWidget {
 
   final bool doShowFinish;
 
-  const FileUploadDialog({Key? key, required this.localPath, required this.remotePath, required this.fileName, required this.onUploadFinished, this.doShowFinish = true}) : super(key: key);
+  const FileUploadDialog({super.key, required this.localPath, required this.remotePath, required this.fileName, required this.onUploadFinished, this.doShowFinish = true});
 
   @override
   State<FileUploadDialog> createState() => _FileUploadDialogState();
diff --git a/lib/view/pages/files/files.dart b/lib/view/pages/files/files.dart
index 465bd36..f18262b 100644
--- a/lib/view/pages/files/files.dart
+++ b/lib/view/pages/files/files.dart
@@ -20,7 +20,7 @@ import 'fileElement.dart';
 
 class Files extends StatefulWidget {
   final List<String> path;
-  const Files(this.path, {Key? key}) : super(key: key);
+  const Files(this.path, {super.key});
 
   @override
   State<Files> createState() => _FilesState();
diff --git a/lib/view/pages/more/gradeAverages/gradeAverage.dart b/lib/view/pages/more/gradeAverages/gradeAverage.dart
index 1880908..357c2cd 100644
--- a/lib/view/pages/more/gradeAverages/gradeAverage.dart
+++ b/lib/view/pages/more/gradeAverages/gradeAverage.dart
@@ -5,7 +5,7 @@ import '../../../../storage/base/settingsProvider.dart';
 import '../../../../widget/confirmDialog.dart';
 
 class GradeAverage extends StatefulWidget {
-  const GradeAverage({Key? key}) : super(key: key);
+  const GradeAverage({super.key});
 
   @override
   State<GradeAverage> createState() => _GradeAverageState();
diff --git a/lib/view/pages/more/message/message.dart b/lib/view/pages/more/message/message.dart
index a1c2661..b3d9a7a 100644
--- a/lib/view/pages/more/message/message.dart
+++ b/lib/view/pages/more/message/message.dart
@@ -8,7 +8,7 @@ import 'messageView.dart';
 
 
 class Message extends StatefulWidget {
-  const Message({Key? key}) : super(key: key);
+  const Message({super.key});
 
   @override
   State<Message> createState() => _MessageState();
diff --git a/lib/view/pages/more/message/messageView.dart b/lib/view/pages/more/message/messageView.dart
index 4228655..205392d 100644
--- a/lib/view/pages/more/message/messageView.dart
+++ b/lib/view/pages/more/message/messageView.dart
@@ -8,7 +8,7 @@ import '../../../../widget/confirmDialog.dart';
 class MessageView extends StatefulWidget {
   final String basePath;
   final GetMessagesResponseObject message;
-  const MessageView({Key? key, required this.basePath, required this.message}) : super(key: key);
+  const MessageView({super.key, required this.basePath, required this.message});
 
   @override
   State<MessageView> createState() => _MessageViewState();
diff --git a/lib/view/pages/more/overhang.dart b/lib/view/pages/more/overhang.dart
index 3daff59..e5cb068 100644
--- a/lib/view/pages/more/overhang.dart
+++ b/lib/view/pages/more/overhang.dart
@@ -11,7 +11,7 @@ import 'roomplan/roomplan.dart';
 import 'share/selectShareTypeDialog.dart';
 
 class Overhang extends StatelessWidget {
-  const Overhang({Key? key}) : super(key: key);
+  const Overhang({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/view/pages/more/roomplan/roomplan.dart b/lib/view/pages/more/roomplan/roomplan.dart
index 8871371..674c9f3 100644
--- a/lib/view/pages/more/roomplan/roomplan.dart
+++ b/lib/view/pages/more/roomplan/roomplan.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
 
 class Roomplan extends StatelessWidget {
-  const Roomplan({Key? key}) : super(key: key);
+  const Roomplan({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/view/pages/talk/chatList.dart b/lib/view/pages/talk/chatList.dart
index 1e6e9bf..9e42378 100644
--- a/lib/view/pages/talk/chatList.dart
+++ b/lib/view/pages/talk/chatList.dart
@@ -18,7 +18,7 @@ import 'joinChat.dart';
 import 'searchChat.dart';
 
 class ChatList extends StatefulWidget {
-  const ChatList({Key? key}) : super(key: key);
+  const ChatList({super.key});
 
   @override
   State<ChatList> createState() => _ChatListState();
diff --git a/lib/view/pages/talk/chatView.dart b/lib/view/pages/talk/chatView.dart
index b26a1df..8408d64 100644
--- a/lib/view/pages/talk/chatView.dart
+++ b/lib/view/pages/talk/chatView.dart
@@ -21,7 +21,7 @@ class ChatView extends StatefulWidget {
   final String selfId;
   final UserAvatar avatar;
 
-  const ChatView({Key? key, required this.room, required this.selfId, required this.avatar}) : super(key: key);
+  const ChatView({super.key, required this.room, required this.selfId, required this.avatar});
 
   @override
   State<ChatView> createState() => _ChatViewState();
diff --git a/lib/view/pages/talk/components/chatBubble.dart b/lib/view/pages/talk/components/chatBubble.dart
index e456d22..226555d 100644
--- a/lib/view/pages/talk/components/chatBubble.dart
+++ b/lib/view/pages/talk/components/chatBubble.dart
@@ -34,7 +34,7 @@ class ChatBubble extends StatefulWidget {
     required this.bubbleData,
     required this.chatData,
     required this.refetch,
-    Key? key}) : super(key: key);
+    super.key});
 
   @override
   State<ChatBubble> createState() => _ChatBubbleState();
diff --git a/lib/view/pages/talk/components/chatTextfield.dart b/lib/view/pages/talk/components/chatTextfield.dart
index 32799b6..e98826e 100644
--- a/lib/view/pages/talk/components/chatTextfield.dart
+++ b/lib/view/pages/talk/components/chatTextfield.dart
@@ -18,7 +18,7 @@ import '../../files/fileUploadDialog.dart';
 
 class ChatTextfield extends StatefulWidget {
   final String sendToToken;
-  const ChatTextfield(this.sendToToken, {Key? key}) : super(key: key);
+  const ChatTextfield(this.sendToToken, {super.key});
 
   @override
   State<ChatTextfield> createState() => _ChatTextfieldState();
diff --git a/lib/view/pages/talk/components/chatTile.dart b/lib/view/pages/talk/components/chatTile.dart
index 020026a..cdbbe8a 100644
--- a/lib/view/pages/talk/components/chatTile.dart
+++ b/lib/view/pages/talk/components/chatTile.dart
@@ -23,7 +23,7 @@ class ChatTile extends StatefulWidget {
   final bool disableContextActions;
   final bool hasDraft;
 
-  const ChatTile({Key? key, required this.data, required this.query, this.disableContextActions = false, this.hasDraft = false}) : super(key: key);
+  const ChatTile({super.key, required this.data, required this.query, this.disableContextActions = false, this.hasDraft = false});
 
   @override
   State<ChatTile> createState() => _ChatTileState();
diff --git a/lib/view/pages/talk/messageReactions.dart b/lib/view/pages/talk/messageReactions.dart
index 4a7af77..633ec88 100644
--- a/lib/view/pages/talk/messageReactions.dart
+++ b/lib/view/pages/talk/messageReactions.dart
@@ -72,7 +72,7 @@ class _MessageReactionsState extends State<MessageReactions> {
                     );
                   }).toList(),
                 );
-              }).toList()
+              })
             ],
           );
         },
diff --git a/lib/view/pages/timetable/appointmenetComponent.dart b/lib/view/pages/timetable/appointmenetComponent.dart
index a52ed5d..ba11f3d 100644
--- a/lib/view/pages/timetable/appointmenetComponent.dart
+++ b/lib/view/pages/timetable/appointmenetComponent.dart
@@ -7,7 +7,7 @@ import 'CrossPainter.dart';
 class AppointmentComponent extends StatefulWidget {
   final CalendarAppointmentDetails details;
   final bool crossedOut;
-  const AppointmentComponent({Key? key, required this.details, this.crossedOut = false}) : super(key: key);
+  const AppointmentComponent({super.key, required this.details, this.crossedOut = false});
 
   @override
   State<AppointmentComponent> createState() => _AppointmentComponentState();
diff --git a/lib/view/pages/timetable/timeRegionComponent.dart b/lib/view/pages/timetable/timeRegionComponent.dart
index b0e1e3d..e472d94 100644
--- a/lib/view/pages/timetable/timeRegionComponent.dart
+++ b/lib/view/pages/timetable/timeRegionComponent.dart
@@ -3,7 +3,7 @@ import 'package:syncfusion_flutter_calendar/calendar.dart';
 
 class TimeRegionComponent extends StatefulWidget {
   final TimeRegionDetails details;
-  const TimeRegionComponent({Key? key, required this.details}) : super(key: key);
+  const TimeRegionComponent({super.key, required this.details});
 
   @override
   State<TimeRegionComponent> createState() => _TimeRegionComponentState();
diff --git a/lib/view/pages/timetable/timetable.dart b/lib/view/pages/timetable/timetable.dart
index 16cd2ea..2a50884 100644
--- a/lib/view/pages/timetable/timetable.dart
+++ b/lib/view/pages/timetable/timetable.dart
@@ -20,7 +20,7 @@ import 'timeRegionComponent.dart';
 import 'timetableEvents.dart';
 
 class Timetable extends StatefulWidget {
-  const Timetable({Key? key}) : super(key: key);
+  const Timetable({super.key});
 
   @override
   State<Timetable> createState() => _TimetableState();
diff --git a/lib/view/settings/settings.dart b/lib/view/settings/settings.dart
index d43cc90..ab93ca5 100644
--- a/lib/view/settings/settings.dart
+++ b/lib/view/settings/settings.dart
@@ -1,5 +1,4 @@
 
-import 'dart:io';
 
 import 'package:filesize/filesize.dart';
 import 'package:flutter/foundation.dart';
@@ -19,7 +18,7 @@ import '../../widget/debug/jsonViewer.dart';
 import 'privacyInfo.dart';
 
 class Settings extends StatefulWidget {
-  const Settings({Key? key}) : super(key: key);
+  const Settings({super.key});
 
   @override
   State<Settings> createState() => _SettingsState();
diff --git a/lib/widget/ListItem.dart b/lib/widget/ListItem.dart
index 6cd4a47..c96dfa0 100644
--- a/lib/widget/ListItem.dart
+++ b/lib/widget/ListItem.dart
@@ -2,7 +2,7 @@
 import 'package:flutter/material.dart';
 
 class ListItemNavigator extends StatelessWidget {
-  const ListItemNavigator({Key? key, required this.icon, required this.text, required this.target, this.onLongPress, this.arrow = true}) : super(key: key);
+  const ListItemNavigator({super.key, required this.icon, required this.text, required this.target, this.onLongPress, this.arrow = true});
 
   final IconData icon;
   final String text;
diff --git a/lib/widget/about/about.dart b/lib/widget/about/about.dart
index 88c6ad9..f0af782 100644
--- a/lib/widget/about/about.dart
+++ b/lib/widget/about/about.dart
@@ -2,7 +2,7 @@
 import 'package:flutter/material.dart';
 
 class About extends StatelessWidget {
-  const About({Key? key}) : super(key: key);
+  const About({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widget/animatedTime.dart b/lib/widget/animatedTime.dart
index ee604b5..ec2d47e 100644
--- a/lib/widget/animatedTime.dart
+++ b/lib/widget/animatedTime.dart
@@ -5,7 +5,7 @@ import 'package:flutter/material.dart';
 
 class AnimatedTime extends StatefulWidget {
   final Duration Function() callback;
-  const AnimatedTime({Key? key, required this.callback}) : super(key: key);
+  const AnimatedTime({super.key, required this.callback});
 
   @override
   State<AnimatedTime> createState() => _AnimatedTimeState();
diff --git a/lib/widget/confirmDialog.dart b/lib/widget/confirmDialog.dart
index 36d8e0c..9e6fb92 100644
--- a/lib/widget/confirmDialog.dart
+++ b/lib/widget/confirmDialog.dart
@@ -8,7 +8,7 @@ class ConfirmDialog extends StatelessWidget {
   final String confirmButton;
   final String cancelButton;
   final void Function() onConfirm;
-  const ConfirmDialog({Key? key, required this.title, this.content = "", this.icon, this.confirmButton = "Ok", this.cancelButton = "Abbrechen", required this.onConfirm}) : super(key: key);
+  const ConfirmDialog({super.key, required this.title, this.content = "", this.icon, this.confirmButton = "Ok", this.cancelButton = "Abbrechen", required this.onConfirm});
 
   void asDialog(BuildContext context) {
     showDialog(context: context, builder: (context) => build(context));
diff --git a/lib/widget/debug/cacheView.dart b/lib/widget/debug/cacheView.dart
index c288ae3..ce62b10 100644
--- a/lib/widget/debug/cacheView.dart
+++ b/lib/widget/debug/cacheView.dart
@@ -12,7 +12,7 @@ import 'jsonViewer.dart';
 
 class CacheView extends StatefulWidget {
   final collection = "MarianumMobile";
-  const CacheView({Key? key}) : super(key: key);
+  const CacheView({super.key});
 
   @override
   State<CacheView> createState() => _CacheViewState();
diff --git a/lib/widget/debug/jsonViewer.dart b/lib/widget/debug/jsonViewer.dart
index 1bc562e..2cae647 100644
--- a/lib/widget/debug/jsonViewer.dart
+++ b/lib/widget/debug/jsonViewer.dart
@@ -6,7 +6,7 @@ class JsonViewer extends StatelessWidget {
   final String title;
   final Map<String, dynamic> data;
 
-  const JsonViewer({Key? key, required this.title, required this.data}) : super(key: key);
+  const JsonViewer({super.key, required this.title, required this.data});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widget/loadingSpinner.dart b/lib/widget/loadingSpinner.dart
index 8fb9cfd..7561246 100644
--- a/lib/widget/loadingSpinner.dart
+++ b/lib/widget/loadingSpinner.dart
@@ -4,7 +4,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 
 class LoadingSpinner extends StatefulWidget {
-  const LoadingSpinner({Key? key}) : super(key: key);
+  const LoadingSpinner({super.key});
 
   @override
   State<LoadingSpinner> createState() => _LoadingSpinnerState();
diff --git a/lib/widget/placeholderView.dart b/lib/widget/placeholderView.dart
index 9dda920..c06d27d 100644
--- a/lib/widget/placeholderView.dart
+++ b/lib/widget/placeholderView.dart
@@ -4,7 +4,7 @@ class PlaceholderView extends StatelessWidget {
   final IconData icon;
   final String text;
   final Widget? button;
-  const PlaceholderView({Key? key, required this.icon, required this.text, this.button}) : super(key: key);
+  const PlaceholderView({super.key, required this.icon, required this.text, this.button});
 
   @override
   Widget build(BuildContext context) {