diff --git a/filcnaplo/lib/app.dart b/filcnaplo/lib/app.dart
index 39d0870..124aa98 100644
--- a/filcnaplo/lib/app.dart
+++ b/filcnaplo/lib/app.dart
@@ -62,11 +62,10 @@ class App extends StatelessWidget {
   final DatabaseProvider database;
 
   const App(
-      {Key? key,
+      {super.key,
       required this.database,
       required this.settings,
-      required this.user})
-      : super(key: key);
+      required this.user});
 
   @override
   Widget build(BuildContext context) {
diff --git a/filcnaplo/lib/main.dart b/filcnaplo/lib/main.dart
index f7996e1..8368e77 100644
--- a/filcnaplo/lib/main.dart
+++ b/filcnaplo/lib/main.dart
@@ -17,7 +17,7 @@ import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 void main() async {
   // Initalize
   WidgetsBinding binding = WidgetsFlutterBinding.ensureInitialized();
-  binding.renderView.automaticSystemUiAdjustment = false;
+  binding.renderViews.first.automaticSystemUiAdjustment = false;
   SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
   // Startup
   Startup startup = Startup();
diff --git a/filcnaplo/lib/ui/flutter_colorpicker/block_picker.dart b/filcnaplo/lib/ui/flutter_colorpicker/block_picker.dart
index dbf27f8..77b7ce3 100644
--- a/filcnaplo/lib/ui/flutter_colorpicker/block_picker.dart
+++ b/filcnaplo/lib/ui/flutter_colorpicker/block_picker.dart
@@ -87,13 +87,13 @@ Widget _defaultItemBuilder(Color color, bool isCurrentColor, void Function() cha
 // The blocky color picker you can alter the layout and shape.
 class BlockPicker extends StatefulWidget {
   BlockPicker({
-    Key? key,
+    super.key,
     required this.pickerColor,
     required this.onColorChanged,
     this.useInShowDialog = true,
     this.layoutBuilder = _defaultLayoutBuilder,
     this.itemBuilder = _defaultItemBuilder,
-  }) : super(key: key);
+  });
 
   final Color? pickerColor;
   final ValueChanged<Color> onColorChanged;
diff --git a/filcnaplo/lib/ui/flutter_colorpicker/colorpicker.dart b/filcnaplo/lib/ui/flutter_colorpicker/colorpicker.dart
index 9b5e837..b727996 100644
--- a/filcnaplo/lib/ui/flutter_colorpicker/colorpicker.dart
+++ b/filcnaplo/lib/ui/flutter_colorpicker/colorpicker.dart
@@ -7,6 +7,8 @@
 ///
 /// You can create your own layout by importing `picker.dart`.
 
+// ignore_for_file: use_build_context_synchronously
+
 library hsv_picker;
 
 import 'package:filcnaplo/models/shared_theme.dart';
@@ -24,7 +26,7 @@ import 'package:provider/provider.dart';
 
 class FilcColorPicker extends StatefulWidget {
   const FilcColorPicker({
-    Key? key,
+    super.key,
     required this.colorMode,
     required this.pickerColor,
     required this.onColorChanged,
@@ -53,7 +55,7 @@ class FilcColorPicker extends StatefulWidget {
     this.colorHistory,
     this.onHistoryChanged,
     required this.onThemeIdProvided,
-  }) : super(key: key);
+  });
 
   final CustomColorMode colorMode;
   final Color pickerColor;
@@ -78,10 +80,10 @@ class FilcColorPicker extends StatefulWidget {
   final void Function(SharedTheme theme) onThemeIdProvided;
 
   @override
-  _FilcColorPickerState createState() => _FilcColorPickerState();
+  FilcColorPickerState createState() => FilcColorPickerState();
 }
 
-class _FilcColorPickerState extends State<FilcColorPicker> {
+class FilcColorPickerState extends State<FilcColorPicker> {
   final idController = TextEditingController();
 
   late final ShareProvider shareProvider;
diff --git a/filcnaplo/lib/ui/flutter_colorpicker/palette.dart b/filcnaplo/lib/ui/flutter_colorpicker/palette.dart
index fb33f69..ffbf1b5 100644
--- a/filcnaplo/lib/ui/flutter_colorpicker/palette.dart
+++ b/filcnaplo/lib/ui/flutter_colorpicker/palette.dart
@@ -3,6 +3,7 @@
 // FROM: https://pub.dev/packages/flutter_colorpicker
 // FROM: https://pub.dev/packages/flutter_colorpicker
 
+// ignore: dangling_library_doc_comments
 /// The components of HSV Color Picker
 ///
 /// Try to create a Color Picker with other layout on your own :)
@@ -317,11 +318,11 @@ class ColorPickerInput extends StatefulWidget {
   const ColorPickerInput(
     this.color,
     this.onColorChanged, {
-    Key? key,
+    super.key,
     this.enableAlpha = true,
     this.embeddedText = false,
     this.disable = false,
-  }) : super(key: key);
+  });
 
   final Color color;
   final ValueChanged<Color> onColorChanged;
@@ -330,10 +331,10 @@ class ColorPickerInput extends StatefulWidget {
   final bool disable;
 
   @override
-  _ColorPickerInputState createState() => _ColorPickerInputState();
+  ColorPickerInputState createState() => ColorPickerInputState();
 }
 
-class _ColorPickerInputState extends State<ColorPickerInput> {
+class ColorPickerInputState extends State<ColorPickerInput> {
   TextEditingController textEditingController = TextEditingController();
   int inputColor = 0;
 
@@ -346,11 +347,7 @@ class _ColorPickerInputState extends State<ColorPickerInput> {
   @override
   Widget build(BuildContext context) {
     if (inputColor != widget.color.value) {
-      textEditingController.text = '#' +
-          widget.color.red.toRadixString(16).toUpperCase().padLeft(2, '0') +
-          widget.color.green.toRadixString(16).toUpperCase().padLeft(2, '0') +
-          widget.color.blue.toRadixString(16).toUpperCase().padLeft(2, '0') +
-          (widget.enableAlpha ? widget.color.alpha.toRadixString(16).toUpperCase().padLeft(2, '0') : '');
+      textEditingController.text = '#${widget.color.red.toRadixString(16).toUpperCase().padLeft(2, '0')}${widget.color.green.toRadixString(16).toUpperCase().padLeft(2, '0')}${widget.color.blue.toRadixString(16).toUpperCase().padLeft(2, '0')}${widget.enableAlpha ? widget.color.alpha.toRadixString(16).toUpperCase().padLeft(2, '0') : ''}';
     }
     return Padding(
       padding: const EdgeInsets.only(top: 6.0, left: 12.0, right: 12.0),
@@ -516,10 +513,10 @@ class ColorPickerSlider extends StatelessWidget {
     this.onColorChanged,
     this.onColorChangeEnd,
     this.onProblem, {
-    Key? key,
+    super.key,
     this.displayThumbColor = false,
     this.fullThumbColor = false,
-  }) : super(key: key);
+  });
 
   final TrackType trackType;
   final HSVColor hsvColor;
@@ -657,13 +654,13 @@ class ColorPickerSlider extends StatelessWidget {
 class ColorIndicator extends StatelessWidget {
   const ColorIndicator(
     this.hsvColor, {
-    Key? key,
+    super.key,
     this.currentHsvColor,
     this.icon,
     this.width = 50.0,
     this.height = 50.0,
     this.adaptive = false,
-  }) : super(key: key);
+  });
 
   final HSVColor hsvColor;
   final HSVColor? currentHsvColor;
@@ -711,8 +708,8 @@ class ColorPickerArea extends StatelessWidget {
     this.onColorChanged,
     this.onChangeEnd,
     this.paletteType, {
-    Key? key,
-  }) : super(key: key);
+    super.key,
+  });
 
   final HSVColor hsvColor;
   final ValueChanged<HSVColor> onColorChanged;
diff --git a/filcnaplo/lib/ui/flutter_colorpicker/utils.dart b/filcnaplo/lib/ui/flutter_colorpicker/utils.dart
index 5e413a7..92e422e 100644
--- a/filcnaplo/lib/ui/flutter_colorpicker/utils.dart
+++ b/filcnaplo/lib/ui/flutter_colorpicker/utils.dart
@@ -3,6 +3,7 @@
 // FROM: https://pub.dev/packages/flutter_colorpicker
 // FROM: https://pub.dev/packages/flutter_colorpicker
 
+// ignore: dangling_library_doc_comments
 /// Common function lib
 
 import 'dart:math';
diff --git a/filcnaplo/lib/ui/widgets/grade/grade_tile.dart b/filcnaplo/lib/ui/widgets/grade/grade_tile.dart
index a42a404..d31a2d4 100644
--- a/filcnaplo/lib/ui/widgets/grade/grade_tile.dart
+++ b/filcnaplo/lib/ui/widgets/grade/grade_tile.dart
@@ -12,12 +12,12 @@ import 'package:provider/provider.dart';
 class GradeTile extends StatelessWidget {
   const GradeTile(
     this.grade, {
-    Key? key,
+    super.key,
     this.onTap,
     this.padding,
     this.censored = false,
     this.viewOverride = false,
-  }) : super(key: key);
+  });
 
   final Grade grade;
   final void Function()? onTap;
@@ -194,7 +194,7 @@ class GradeTile extends StatelessWidget {
 class GradeValueWidget extends StatelessWidget {
   const GradeValueWidget(
     this.value, {
-    Key? key,
+    super.key,
     this.size = 38.0,
     this.fill = false,
     this.contrast = false,
@@ -203,7 +203,7 @@ class GradeValueWidget extends StatelessWidget {
     this.complemented = false,
     this.nocolor = false,
     this.color,
-  }) : super(key: key);
+  });
 
   final GradeValue value;
   final double size;
diff --git a/filcnaplo/lib/ui/widgets/lesson/lesson_tile.dart b/filcnaplo/lib/ui/widgets/lesson/lesson_tile.dart
index 1aeb3ef..59e7547 100644
--- a/filcnaplo/lib/ui/widgets/lesson/lesson_tile.dart
+++ b/filcnaplo/lib/ui/widgets/lesson/lesson_tile.dart
@@ -16,8 +16,7 @@ import 'package:provider/provider.dart';
 import 'lesson_tile.i18n.dart';
 
 class LessonTile extends StatelessWidget {
-  const LessonTile(this.lesson, {Key? key, this.onTap, this.swapDesc = false})
-      : super(key: key);
+  const LessonTile(this.lesson, {super.key, this.onTap, this.swapDesc = false});
 
   final Lesson lesson;
   final bool swapDesc;
@@ -287,8 +286,7 @@ enum LessonSubtileType { homework, exam, absence }
 
 class LessonSubtile extends StatelessWidget {
   const LessonSubtile(
-      {Key? key, this.onPressed, required this.title, required this.type})
-      : super(key: key);
+      {super.key, this.onPressed, required this.title, required this.type});
 
   final Function()? onPressed;
   final String title;
diff --git a/filcnaplo/lib/ui/widgets/message/message_tile.dart b/filcnaplo/lib/ui/widgets/message/message_tile.dart
index f866a34..4247fc9 100644
--- a/filcnaplo/lib/ui/widgets/message/message_tile.dart
+++ b/filcnaplo/lib/ui/widgets/message/message_tile.dart
@@ -11,12 +11,12 @@ import 'package:provider/provider.dart';
 class MessageTile extends StatelessWidget {
   const MessageTile(
     this.message, {
-    Key? key,
+    super.key,
     this.messages,
     this.padding,
     this.onTap,
     this.censored = false,
-  }) : super(key: key);
+  });
 
   final Message message;
   final List<Message>? messages;
diff --git a/filcnaplo_kreta_api/lib/controllers/timetable_controller.dart b/filcnaplo_kreta_api/lib/controllers/timetable_controller.dart
index 208f080..acd8da4 100644
--- a/filcnaplo_kreta_api/lib/controllers/timetable_controller.dart
+++ b/filcnaplo_kreta_api/lib/controllers/timetable_controller.dart
@@ -1,4 +1,4 @@
-// ignore_for_file: avoid_print
+// ignore_for_file: avoid_print, use_build_context_synchronously
 
 import 'dart:async';
 import 'dart:developer';
diff --git a/filcnaplo_kreta_api/lib/models/grade.dart b/filcnaplo_kreta_api/lib/models/grade.dart
index 35d6709..16877b8 100644
--- a/filcnaplo_kreta_api/lib/models/grade.dart
+++ b/filcnaplo_kreta_api/lib/models/grade.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: no_leading_underscores_for_local_identifiers
+
 import 'package:filcnaplo/utils/format.dart';
 import 'category.dart';
 import 'subject.dart';
diff --git a/filcnaplo_kreta_api/lib/models/week.dart b/filcnaplo_kreta_api/lib/models/week.dart
index 03cc048..2a162bd 100644
--- a/filcnaplo_kreta_api/lib/models/week.dart
+++ b/filcnaplo_kreta_api/lib/models/week.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: no_leading_underscores_for_local_identifiers
+
 import 'package:filcnaplo_kreta_api/controllers/timetable_controller.dart';
 
 class Week {
diff --git a/filcnaplo_kreta_api/lib/providers/absence_provider.dart b/filcnaplo_kreta_api/lib/providers/absence_provider.dart
index 6450953..1688550 100644
--- a/filcnaplo_kreta_api/lib/providers/absence_provider.dart
+++ b/filcnaplo_kreta_api/lib/providers/absence_provider.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: no_leading_underscores_for_local_identifiers
+
 import 'package:filcnaplo/api/providers/user_provider.dart';
 import 'package:filcnaplo/api/providers/database_provider.dart';
 import 'package:filcnaplo/models/user.dart';
@@ -49,6 +51,7 @@ class AbsenceProvider with ChangeNotifier {
         (await _database.query.getSettings(_database)).renamedTeachersEnabled
             ? await _database.userQuery.renamedTeachers(
                 userId:
+                    // ignore: use_build_context_synchronously
                     Provider.of<UserProvider>(_context, listen: false).user!.id)
             : {};
 
diff --git a/filcnaplo_kreta_api/lib/providers/exam_provider.dart b/filcnaplo_kreta_api/lib/providers/exam_provider.dart
index e74de29..8690ca1 100644
--- a/filcnaplo_kreta_api/lib/providers/exam_provider.dart
+++ b/filcnaplo_kreta_api/lib/providers/exam_provider.dart
@@ -49,6 +49,7 @@ class ExamProvider with ChangeNotifier {
         (await database.query.getSettings(database)).renamedTeachersEnabled
             ? await database.userQuery.renamedTeachers(
                 userId:
+                    // ignore: use_build_context_synchronously
                     Provider.of<UserProvider>(_context, listen: false).user!.id)
             : {};
 
diff --git a/filcnaplo_mobile_ui/lib/common/action_button.dart b/filcnaplo_mobile_ui/lib/common/action_button.dart
index fc316a1..6515941 100755
--- a/filcnaplo_mobile_ui/lib/common/action_button.dart
+++ b/filcnaplo_mobile_ui/lib/common/action_button.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class ActionButton extends StatelessWidget {
-  const ActionButton({Key? key, required this.label, this.activeColor, this.onTap}) : super(key: key);
+  const ActionButton({super.key, required this.label, this.activeColor, this.onTap});
 
   final Color? activeColor;
   final void Function()? onTap;
diff --git a/filcnaplo_mobile_ui/lib/common/average_display.dart b/filcnaplo_mobile_ui/lib/common/average_display.dart
index 735497e..15d60c7 100755
--- a/filcnaplo_mobile_ui/lib/common/average_display.dart
+++ b/filcnaplo_mobile_ui/lib/common/average_display.dart
@@ -4,8 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:i18n_extension/i18n_widget.dart';
 
 class AverageDisplay extends StatelessWidget {
-  const AverageDisplay({Key? key, this.average = 0.0, this.border = false})
-      : super(key: key);
+  const AverageDisplay({super.key, this.average = 0.0, this.border = false});
 
   final double average;
   final bool border;
diff --git a/filcnaplo_mobile_ui/lib/common/beta_chip.dart b/filcnaplo_mobile_ui/lib/common/beta_chip.dart
index 9b4c0e8..1d35da6 100644
--- a/filcnaplo_mobile_ui/lib/common/beta_chip.dart
+++ b/filcnaplo_mobile_ui/lib/common/beta_chip.dart
@@ -2,7 +2,7 @@ import 'package:filcnaplo/theme/colors/colors.dart';
 import 'package:flutter/material.dart';
 
 class BetaChip extends StatelessWidget {
-  const BetaChip({Key? key, this.disabled = false}) : super(key: key);
+  const BetaChip({super.key, this.disabled = false});
 
   final bool disabled;
 
@@ -12,6 +12,12 @@ class BetaChip extends StatelessWidget {
       height: 25,
       child: AnimatedContainer(
         duration: const Duration(milliseconds: 200),
+        decoration: BoxDecoration(
+          color: !disabled
+              ? Theme.of(context).colorScheme.secondary
+              : AppColors.of(context).text.withOpacity(.25),
+          borderRadius: BorderRadius.circular(40),
+        ),
         child: Padding(
           padding: const EdgeInsets.only(left: 8, right: 8),
           child: Center(
@@ -29,12 +35,6 @@ class BetaChip extends StatelessWidget {
             ),
           ),
         ),
-        decoration: BoxDecoration(
-          color: !disabled
-              ? Theme.of(context).colorScheme.secondary
-              : AppColors.of(context).text.withOpacity(.25),
-          borderRadius: BorderRadius.circular(40),
-        ),
       ),
     );
   }
diff --git a/filcnaplo_mobile_ui/lib/common/bottom_card.dart b/filcnaplo_mobile_ui/lib/common/bottom_card.dart
index 82c4c86..9c01341 100755
--- a/filcnaplo_mobile_ui/lib/common/bottom_card.dart
+++ b/filcnaplo_mobile_ui/lib/common/bottom_card.dart
@@ -2,7 +2,7 @@ import 'package:filcnaplo/theme/colors/colors.dart';
 import 'package:flutter/material.dart';
 
 class BottomCard extends StatelessWidget {
-  const BottomCard({Key? key, this.child}) : super(key: key);
+  const BottomCard({super.key, this.child});
 
   final Widget? child;
 
diff --git a/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu.dart b/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu.dart
index c447ee7..8b4ca2e 100755
--- a/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu.dart
+++ b/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu.dart
@@ -2,7 +2,7 @@ import 'package:filcnaplo_mobile_ui/common/bottom_sheet_menu/rounded_bottom_shee
 import 'package:flutter/material.dart';
 
 class BottomSheetMenu extends StatelessWidget {
-  const BottomSheetMenu({Key? key, this.items = const []}) : super(key: key);
+  const BottomSheetMenu({super.key, this.items = const []});
 
   final List<Widget> items;
 
diff --git a/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu_item.dart b/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu_item.dart
index 525feea..2f8f21c 100755
--- a/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu_item.dart
+++ b/filcnaplo_mobile_ui/lib/common/bottom_sheet_menu/bottom_sheet_menu_item.dart
@@ -2,7 +2,7 @@ import 'package:filcnaplo_mobile_ui/common/panel/panel_button.dart';
 import 'package:flutter/material.dart';
 
 class BottomSheetMenuItem extends StatelessWidget {
-  const BottomSheetMenuItem({Key? key, required this.onPressed, required this.title, this.icon}) : super(key: key);
+  const BottomSheetMenuItem({super.key, required this.onPressed, required this.title, this.icon});
 
   final void Function()? onPressed;
   final Widget? title;
diff --git a/filcnaplo_mobile_ui/lib/common/custom_snack_bar.dart b/filcnaplo_mobile_ui/lib/common/custom_snack_bar.dart
index 2f56809..b7c4349 100755
--- a/filcnaplo_mobile_ui/lib/common/custom_snack_bar.dart
+++ b/filcnaplo_mobile_ui/lib/common/custom_snack_bar.dart
@@ -10,6 +10,7 @@ SnackBar CustomSnackBar({
   Duration? duration,
 }) {
   // backgroundColor > Brightness > Theme Background
+  // ignore: no_leading_underscores_for_local_identifiers
   Color _backgroundColor = backgroundColor ?? (AppColors.fromBrightness(brightness ?? Theme.of(context).brightness).highlight);
   Color textColor = AppColors.fromBrightness(brightness ?? Theme.of(context).brightness).text;
 
diff --git a/filcnaplo_mobile_ui/lib/common/widgets/grade/new_grades.dart b/filcnaplo_mobile_ui/lib/common/widgets/grade/new_grades.dart
index 84b319e..07f7fd7 100755
--- a/filcnaplo_mobile_ui/lib/common/widgets/grade/new_grades.dart
+++ b/filcnaplo_mobile_ui/lib/common/widgets/grade/new_grades.dart
@@ -1,3 +1,5 @@
+// ignore_for_file: use_build_context_synchronously
+
 import 'package:filcnaplo/models/settings.dart';
 import 'package:filcnaplo/theme/colors/colors.dart';
 import 'package:filcnaplo_kreta_api/models/grade.dart';
diff --git a/filcnaplo_mobile_ui/lib/common/widgets/note/note_view.dart b/filcnaplo_mobile_ui/lib/common/widgets/note/note_view.dart
index 64680af..2f02f6c 100755
--- a/filcnaplo_mobile_ui/lib/common/widgets/note/note_view.dart
+++ b/filcnaplo_mobile_ui/lib/common/widgets/note/note_view.dart
@@ -8,7 +8,7 @@ import 'package:flutter_custom_tabs/flutter_custom_tabs.dart';
 import 'package:flutter_linkify/flutter_linkify.dart';
 
 class NoteView extends StatelessWidget {
-  const NoteView(this.note, {Key? key}) : super(key: key);
+  const NoteView(this.note, {super.key});
 
   final Note note;
 
diff --git a/filcnaplo_mobile_ui/lib/common/widgets/note/note_viewable.dart b/filcnaplo_mobile_ui/lib/common/widgets/note/note_viewable.dart
index 8208845..9d2e886 100755
--- a/filcnaplo_mobile_ui/lib/common/widgets/note/note_viewable.dart
+++ b/filcnaplo_mobile_ui/lib/common/widgets/note/note_viewable.dart
@@ -4,7 +4,7 @@ import 'package:filcnaplo_mobile_ui/common/widgets/note/note_view.dart';
 import 'package:flutter/material.dart';
 
 class NoteViewable extends StatelessWidget {
-  const NoteViewable(this.note, {Key? key}) : super(key: key);
+  const NoteViewable(this.note, {super.key});
 
   final Note note;