Fixed Simple Problem, that occured after migrating to new version.

Still WIP need to fix more Problems

lib/actions/actions.dart

@@ -49,9 +49,10 @@ class DeleteTimeProgressAction {
 }
 
 void loadTimeProgressListIfUnloaded(Store<AppState> store) {
-  if (!store.state.hasProgressesLoaded)
+  if (!store.state.hasProgressesLoaded) {
     store.dispatch(LoadTimeProgressListAction());
   }
+}
 
 void loadSettingsIfUnloaded(Store<AppState> store) {
   if (!store.state.hasSettingsLoaded) store.dispatch(LoadSettingsAction());

lib/app.dart

@@ -11,7 +11,7 @@ class TimeProgressTrackerApp extends StatelessWidget {
 
   final Store<AppState> store;
 
-  TimeProgressTrackerApp({
+  const TimeProgressTrackerApp({
     Key key,
     this.store,
   }) : super(key: key);
@@ -31,11 +31,11 @@ class TimeProgressTrackerApp extends StatelessWidget {
         initialRoute: HomeScreen.routeName,
         routes: {
           HomeScreen.routeName: (BuildContext context) =>
-              HomeScreen(),
+              const HomeScreen(),
           ProgressDetailScreen.routeName: (BuildContext context) =>
-              ProgressDetailScreen(),
+              const ProgressDetailScreen(),
           ProgressCreationScreen.routeName: (BuildContext context) =>
-              ProgressCreationScreen(),
+              const ProgressCreationScreen(),
         },
       ),
     );

lib/middleware/store_middleware.dart

@@ -17,12 +17,12 @@ List<Middleware<AppState>> createStoreMiddleware(
   final loadSettings = _createLoadAppSettings(settingsRepo);
 
   return [
-    TypedMiddleware<AppState, LoadTimeProgressListAction>(loadTimeProgressList),
+    TypedMiddleware<AppState, LoadTimeProgressListAction>(loadTimeProgressList).call,
-    TypedMiddleware<AppState, AddTimeProgressAction>(saveTimeProgressList),
+    TypedMiddleware<AppState, AddTimeProgressAction>(saveTimeProgressList).call,
-    TypedMiddleware<AppState, UpdateTimeProgressAction>(saveTimeProgressList),
+    TypedMiddleware<AppState, UpdateTimeProgressAction>(saveTimeProgressList).call,
-    TypedMiddleware<AppState, DeleteTimeProgressAction>(saveTimeProgressList),
+    TypedMiddleware<AppState, DeleteTimeProgressAction>(saveTimeProgressList).call,
-    TypedMiddleware<AppState, LoadSettingsAction>(loadSettings),
+    TypedMiddleware<AppState, LoadSettingsAction>(loadSettings).call,
-    TypedMiddleware<AppState, UpdateAppSettingsActions>(saveSettings)
+    TypedMiddleware<AppState, UpdateAppSettingsActions>(saveSettings).call
   ];
 }
 

lib/models/app_settings.dart

@@ -7,13 +7,13 @@ class AppSettings {
   final Color leftColor;
   final Duration duration;
 
-  AppSettings({
+  const AppSettings({
     this.doneColor,
     this.leftColor,
     this.duration,
   });
 
-  factory AppSettings.defaults() => AppSettings(
+  factory AppSettings.defaults() => const AppSettings(
         doneColor: Colors.green,
         leftColor: Colors.red,
         duration: Duration(days: 365),

lib/models/app_state.dart

@@ -8,7 +8,7 @@ class AppState {
   final List<TimeProgress> timeProgressList;
   final AppSettings appSettings;
 
-  AppState(
+  const AppState(
       {this.hasProgressesLoaded = false,
       this.hasSettingsLoaded = false,
       this.timeProgressList = const [],
@@ -22,7 +22,7 @@ class AppState {
     List<TimeProgress> timeProgressList,
   }) {
     return AppState(
-      hasProgressesLoaded: hasLoaded ?? this.hasProgressesLoaded,
+      hasProgressesLoaded: hasLoaded ?? hasProgressesLoaded,
       timeProgressList: timeProgressList ?? this.timeProgressList,
     );
   }

lib/models/time_progress.dart

@@ -38,7 +38,7 @@ class TimeProgress {
   int allDays() => endTime.difference(startTime).inDays;
 
   double percentDone() {
-    double percent = this.daysBehind() / (this.allDays() / 100) / 100;
+    double percent = daysBehind() / (allDays() / 100) / 100;
     if (percent < 0) percent = 0;
     if (percent > 1) percent = 1;
     return percent;
@@ -48,7 +48,7 @@ class TimeProgress {
       DateTime.now().millisecondsSinceEpoch > startTime.millisecondsSinceEpoch;
 
   int daysTillStart() {
-    if (hasStarted()) throw new TimeProgressHasStartedException();
+    if (hasStarted()) throw TimeProgressHasStartedException();
     return startTime.difference(DateTime.now()).inDays;
   }
 
@@ -56,7 +56,7 @@ class TimeProgress {
       DateTime.now().millisecondsSinceEpoch > endTime.millisecondsSinceEpoch;
 
   int daysSinceEnd() {
-    if (!hasEnded()) throw new TimeProgressHasNotEndedException();
+    if (!hasEnded()) throw TimeProgressHasNotEndedException();
     return DateTime.now().difference(endTime).inDays;
   }
 
@@ -79,11 +79,12 @@ class TimeProgress {
       "TimeProgress{id: $id, name: $name, startTime: $startTime, endTime: $endTime}";
 
   TimeProgressEntity toEntity() {
-    if (!TimeProgress.isNameValid(name))
+    if (!TimeProgress.isNameValid(name)) {
-      throw new TimeProgressInvalidNameException(name);
+      throw TimeProgressInvalidNameException(name);
-    if (!TimeProgress.areTimesValid(startTime, endTime))
+    }
-      throw new TimeProgressStartTimeIsNotBeforeEndTimeException(
+    if (!TimeProgress.areTimesValid(startTime, endTime)) {
-          startTime, endTime);
+      throw TimeProgressStartTimeIsNotBeforeEndTimeException(startTime, endTime);
+    }
     return TimeProgressEntity(id, name, startTime, endTime);
   }
 

lib/persistence/app_settings.dart

@@ -11,15 +11,16 @@ class AppSettingsRepository {
   AppSettingsRepository(this.prefs, {this.codec = json});
 
   Future<AppSettingsEntity> loadAppSettings() {
-    final String jsonString = this.prefs.getString(_key);
+    final String? jsonString = prefs.getString(_key);
-    if (jsonString == null)
+    if (jsonString == null) {
       return Future<AppSettingsEntity>.value(AppSettingsEntity.defaults());
+    }
     return Future<AppSettingsEntity>.value(
         AppSettingsEntity.fromJson(codec.decode(jsonString)));
   }
 
   Future<bool> saveAppSettings(AppSettingsEntity appSettings) =>
-      this.prefs.setString(_key, codec.encode(appSettings));
+      prefs.setString(_key, codec.encode(appSettings));
 }
 
 class AppSettingsEntity {

lib/persistence/time_progress_repository.dart

@@ -10,7 +10,7 @@ class TimeProgressRepository {
   TimeProgressRepository(this.prefs, {this.codec = json});
 
   Future<List<TimeProgressEntity>> loadTimeProgressList() {
-    final String jsonString = this.prefs.getString(_key);
+    final String? jsonString = prefs.getString(_key);
     if (jsonString == null) {
       return Future<List<TimeProgressEntity>>.value([]);
     }
@@ -24,6 +24,6 @@ class TimeProgressRepository {
   Future<bool> saveTimeProgressList(List<TimeProgressEntity> timeProgressList) {
     final String jsonString = codec.encode(
         {"timers": timeProgressList.map((timer) => timer.toJson()).toList()});
-    return this.prefs.setString(_key, jsonString);
+    return prefs.setString(_key, jsonString);
   }
 }

lib/reducers/app_state_reducer.dart

@@ -17,9 +17,9 @@ AppState appStateReducer(AppState state, dynamic action) {
 }
 
 final appSettingsReducers = combineReducers<AppSettings>([
-  TypedReducer<AppSettings, AppSettingsLoadedActions>(_loadAppSettings),
+  TypedReducer<AppSettings, AppSettingsLoadedActions>(_loadAppSettings).call,
-  TypedReducer<AppSettings, UpdateAppSettingsActions>(_updateAppSettings),
+  TypedReducer<AppSettings, UpdateAppSettingsActions>(_updateAppSettings).call,
-  TypedReducer<AppSettings, AppSettingsNotLoadedAction>(_setDefaultSettings)
+  TypedReducer<AppSettings, AppSettingsNotLoadedAction>(_setDefaultSettings).call
 ]);
 
 AppSettings _loadAppSettings(

lib/reducers/has_loaded_reducer.dart

@@ -2,8 +2,8 @@ import 'package:redux/redux.dart';
 import 'package:time_progress_tracker/actions/actions.dart';
 
 final hasProgressesLoadedReducer = combineReducers<bool>([
-  TypedReducer<bool, TimeProgressListLoadedAction>(_setProgressesLoaded),
+  TypedReducer<bool, TimeProgressListLoadedAction>(_setProgressesLoaded).call,
-  TypedReducer<bool, TimeProgressListNotLoadedAction>(_setProgressesUnloaded)
+  TypedReducer<bool, TimeProgressListNotLoadedAction>(_setProgressesUnloaded).call
 ]);
 
 bool _setProgressesLoaded(bool hasLoaded, TimeProgressListLoadedAction action) {
@@ -15,8 +15,8 @@ bool _setProgressesUnloaded(bool hasLoaded, TimeProgressListNotLoadedAction acti
 }
 
 final hasSettingsLoadedReducer = combineReducers<bool>([
-  TypedReducer<bool, AppSettingsLoadedActions>(_setSettingsLoaded),
+  TypedReducer<bool, AppSettingsLoadedActions>(_setSettingsLoaded).call,
-  TypedReducer<bool, AppSettingsNotLoadedAction>(_setSettingsUnloaded)
+  TypedReducer<bool, AppSettingsNotLoadedAction>(_setSettingsUnloaded).call
 ]);
 
 bool _setSettingsLoaded(bool hasLoaded, AppSettingsLoadedActions action) {

lib/reducers/time_progress_list_reducer.dart

@@ -4,13 +4,13 @@ import 'package:time_progress_tracker/models/time_progress.dart';
 
 final timeProgressListReducer = combineReducers<List<TimeProgress>>([
   TypedReducer<List<TimeProgress>, TimeProgressListLoadedAction>(
-      _setLoadedTimeProgressList),
+      _setLoadedTimeProgressList).call,
   TypedReducer<List<TimeProgress>, TimeProgressListNotLoadedAction>(
-      _setEmptyTimeProgressList),
+      _setEmptyTimeProgressList).call,
-  TypedReducer<List<TimeProgress>, AddTimeProgressAction>(_addTimeProgress),
+  TypedReducer<List<TimeProgress>, AddTimeProgressAction>(_addTimeProgress).call,
   TypedReducer<List<TimeProgress>, UpdateTimeProgressAction>(
-      _updateTimeProgress),
+      _updateTimeProgress).call,
-  TypedReducer<List<TimeProgress>, DeleteTimeProgressAction>(_deleteTimeProgress),
+  TypedReducer<List<TimeProgress>, DeleteTimeProgressAction>(_deleteTimeProgress).call,
 ]);
 
 List<TimeProgress> _setLoadedTimeProgressList(

lib/screens/home_screen.dart

@@ -9,6 +9,8 @@ class HomeScreen extends StatefulWidget {
   static const routeName = "/home";
   static const title = "Time Progress Tracker";
 
+  const HomeScreen({super.key});
+
   @override
   State<StatefulWidget> createState() {
     return _HomeScreenState();
@@ -18,9 +20,9 @@ class HomeScreen extends StatefulWidget {
 class _HomeScreenState extends State<HomeScreen> {
   int _currentIndex = 0;
   final List<Widget> _children = [
-    HomeActiveProgressesTab(),
+    const HomeActiveProgressesTab(),
-    HomeInactiveProgressesTab(),
+    const HomeInactiveProgressesTab(),
-    HomeSettingsTab(),
+    const HomeSettingsTab(),
   ];
 
   void onBottomTabTapped(int index) {
@@ -33,11 +35,11 @@ class _HomeScreenState extends State<HomeScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(HomeScreen.title),
+        title: const Text(HomeScreen.title),
       ),
       body: _children[_currentIndex],
       floatingActionButtonLocation: FloatingActionButtonLocation.endFloat,
-      floatingActionButton: _currentIndex != 2 ? CreateProgressButton() : null,
+      floatingActionButton: _currentIndex != 2 ? const CreateProgressButton() : null,
       bottomNavigationBar: HomeBottomNavBar(
         currentIndex: _currentIndex,
         onTap: onBottomTabTapped,

lib/screens/progress_creation_screen.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/widgets.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:redux/redux.dart';
 import 'package:time_progress_tracker/actions/actions.dart';
@@ -13,6 +12,8 @@ class ProgressCreationScreen extends StatefulWidget {
   static const routeName = "/create-progress";
   static const title = "Create Time Progress";
 
+  const ProgressCreationScreen({super.key});
+
   @override
   State<StatefulWidget> createState() {
     return _ProgressCreationScreenState();
@@ -20,15 +21,16 @@ class ProgressCreationScreen extends StatefulWidget {
 }
 
 class _ProgressCreationScreenState extends State<ProgressCreationScreen> {
-  TimeProgress timeProgressToCreate;
+  TimeProgress? timeProgressToCreate;
   bool _isProgressValid = false;
 
   void initTimeProgress(TimeProgress timeProgress) {
-    if (timeProgressToCreate == null)
+    if (timeProgressToCreate == null) {
       setState(() {
         timeProgressToCreate = timeProgress;
       });
     }
+  }
 
   void onTimeProgressChanged(
       TimeProgress newTimeProgress, bool isNewProgressValid) {
@@ -42,10 +44,10 @@ class _ProgressCreationScreenState extends State<ProgressCreationScreen> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(ProgressCreationScreen.title),
+        title: const Text(ProgressCreationScreen.title),
       ),
       body: Container(
-        padding: EdgeInsets.all(12),
+        padding: const EdgeInsets.all(12),
         child: StoreConnector<AppState, _ViewModel>(
             onInit: loadSettingsIfUnloaded,
             converter: (store) => _ViewModel.create(store),
@@ -66,23 +68,23 @@ class _ProgressCreationScreenState extends State<ProgressCreationScreen> {
               converter: (store) => _ViewModel.create(store),
               builder: (context, _ViewModel vm) => FloatingActionButton(
                 heroTag: "createTimeProgressBTN",
-                child: Icon(Icons.save),
                 onPressed: _isProgressValid
                     ? () {
                         vm.onAddTimeProgress(timeProgressToCreate);
                         Navigator.pop(context);
                       }
                     : null,
+                child: const Icon(Icons.save),
               ),
             ),
           ),
           Expanded(
             child: FloatingActionButton(
               heroTag: "cancelTimeProgressCreationBTN",
-              child: Icon(Icons.cancel),
               onPressed: () {
                 Navigator.pop(context);
               },
+              child: const Icon(Icons.cancel),
             ),
           )
         ],
@@ -103,14 +105,14 @@ class _ViewModel {
   factory _ViewModel.create(Store<AppState> store) {
     AppSettings settings = appSettingsSelector(store.state);
 
-    _onAddTimeProgress(TimeProgress tp) {
+    onAddTimeProgress(TimeProgress tp) {
       if (TimeProgress.isValid(tp)) store.dispatch(AddTimeProgressAction(tp));
     }
 
     return _ViewModel(
       defaultDurationProgress:
           TimeProgress.defaultFromDuration(settings.duration),
-      onAddTimeProgress: _onAddTimeProgress,
+      onAddTimeProgress: onAddTimeProgress,
     );
   }
 }

lib/screens/progress_detail_screen.dart

@@ -17,6 +17,8 @@ class ProgressDetailScreen extends StatefulWidget {
   static const routeName = "/progress";
   static const title = "Progress View";
 
+  const ProgressDetailScreen({super.key});
+
   @override
   State<StatefulWidget> createState() {
     return _ProgressDetailScreenState();
@@ -25,7 +27,7 @@ class ProgressDetailScreen extends StatefulWidget {
 
 class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
   bool _editMode = false, _isEditedProgressValid = false;
-  TimeProgress _editedProgress, _originalProgress;
+  TimeProgress? _editedProgress, _originalProgress;
 
   void _initEditedProgress(TimeProgress tp) {
     if (_editedProgress == null) {
@@ -65,12 +67,13 @@ class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
         leftColor: settingsVm.appSettings.leftColor,
       ))
     ];
-    if (_editMode)
+    if (_editMode) {
       columnChildren.add(Expanded(
           child: ProgressEditorWidget(
         timeProgress: _editedProgress,
         onTimeProgressChanged: _onEditedProgressChanged,
       )));
+    }
     return columnChildren;
   }
 
@@ -81,7 +84,7 @@ class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
 
     return Scaffold(
       appBar: AppBar(
-        title: Text(ProgressDetailScreen.title),
+        title: const Text(ProgressDetailScreen.title),
       ),
       body: SettingsStoreConnector(
         loadedBuilder: (context, settingsVm) {
@@ -90,7 +93,7 @@ class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
             loadedBuilder: (context, tpVm) {
               _initEditedProgress(tpVm.tp);
               return Container(
-                  margin: EdgeInsets.all(8),
+                  margin: const EdgeInsets.all(8),
                   child: Column(
                     children: _renderColumnChildren(settingsVm, tpVm),
                   ));
@@ -102,12 +105,12 @@ class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
       floatingActionButton: TimeProgressStoreConnector(
         timeProgressId: args.id,
         loadedBuilder: (context, tpVm) {
-          void _saveEditedProgress() {
+          void saveEditedProgress() {
             tpVm.updateTimeProgress(_editedProgress);
             _switchEditMode(false);
           }
 
-          void _deleteTimeProgress() {
+          void deleteTimeProgress() {
             tpVm.deleteTimeProgress();
             Navigator.popUntil(
                 context, ModalRoute.withName(HomeScreen.routeName));
@@ -119,9 +122,9 @@ class _ProgressDetailScreenState extends State<ProgressDetailScreen> {
               editedProgress: _editedProgress,
               isEditedProgressValid: _isEditedProgressValid,
               onEditProgress: () => _switchEditMode(true),
-              onSaveEditedProgress: _saveEditedProgress,
+              onSaveEditedProgress: saveEditedProgress,
               onCancelEditProgress: _cancelEditMode,
-              onDeleteProgress: _deleteTimeProgress);
+              onDeleteProgress: deleteTimeProgress);
         },
       ),
     );

lib/selectors/time_progress_selectors.dart

@@ -46,7 +46,7 @@ List<TimeProgress> pastTimeProgressesSelector(AppState state) =>
         .toList();
 
 TimeProgress timeProgressByIdSelector(AppState state, String id) {
-  if (state.timeProgressList.length < 1) return null;
+  if (state.timeProgressList.isEmpty) return null;
   return state.timeProgressList
       .firstWhere((timeProgress) => timeProgress.id == id, orElse: () => null);
 }

lib/widgets/app_yes_no_dialog_widget.dart

@@ -5,7 +5,7 @@ class AppYesNoDialog extends StatelessWidget {
   final String contentText;
   final void Function() onYesPressed;
 
-  AppYesNoDialog({
+  const AppYesNoDialog({
     Key key,
     @required this.titleText,
     @required this.contentText,
@@ -19,11 +19,11 @@ class AppYesNoDialog extends StatelessWidget {
       content: Text(contentText),
       actions: <Widget>[
         FlatButton(
-          child: Text("Yes"),
+          child: const Text("Yes"),
           onPressed: onYesPressed,
         ),
         FlatButton(
-          child: Text("No"),
+          child: const Text("No"),
           onPressed: () {
             Navigator.pop(context);
           },

lib/widgets/buttons/color_picker_btn.dart

@@ -7,7 +7,7 @@ class ColorPickerButton extends StatelessWidget {
   final Color selectedColor;
   final void Function(Color) onColorPicked;
 
-  ColorPickerButton({
+  const ColorPickerButton({super.key, 
     @required this.title,
     @required this.dialogTitle,
     @required this.selectedColor,
@@ -34,13 +34,13 @@ class ColorPickerButton extends StatelessWidget {
           },
         );
       },
-      child: Text(title),
       style: TextButton.styleFrom(
         primary: useBrightBackground(selectedColor)
-            ? appTheme.primaryTextTheme.button.color
+            ? appTheme.primaryTextTheme.labelLarge.color
-            : appTheme.textTheme.button.color,
+            : appTheme.textTheme.labelLarge.color,
         backgroundColor: selectedColor,
       ),
+      child: Text(title),
     );
   }
 }

lib/widgets/buttons/create_progress_button.dart

@@ -4,15 +4,17 @@ import 'package:time_progress_tracker/screens/progress_creation_screen.dart';
 class CreateProgressButton extends StatelessWidget {
   final String _heroTag = "createProgressBTN";
 
+  const CreateProgressButton({super.key});
+
   @override
   Widget build(BuildContext context) {
-    void _onButtonPressed() =>
+    void onButtonPressed() =>
         Navigator.pushNamed(context, ProgressCreationScreen.routeName);
 
     return FloatingActionButton(
       heroTag: _heroTag,
-      child: Icon(Icons.add),
+      onPressed: onButtonPressed,
-      onPressed: _onButtonPressed,
+      child: const Icon(Icons.add),
     );
   }
 }

lib/widgets/buttons/date_picker_btn.dart

@@ -5,11 +5,11 @@ class DatePickerBtn extends StatelessWidget {
   final DateTime pickedDate;
   final void Function(DateTime) onDatePicked;
 
-  DatePickerBtn({
+  const DatePickerBtn({super.key, 
     @required this.leadingString,
     @required this.pickedDate,
     @required this.onDatePicked,
-  }) : super();
+  });
 
   void _onButtonPressed(BuildContext context) async {
     onDatePicked(await showDatePicker(
@@ -25,12 +25,12 @@ class DatePickerBtn extends StatelessWidget {
     ThemeData appTheme = Theme.of(context);
     return TextButton(
       onPressed: () => _onButtonPressed(context),
-      child: Text(
-          "$leadingString ${pickedDate.toLocal().toString().split(" ")[0]}"),
       style: TextButton.styleFrom(
-        primary: appTheme.primaryTextTheme.button.color,
+        primary: appTheme.primaryTextTheme.labelLarge.color,
         backgroundColor: appTheme.accentColor,
       ),
+      child: Text(
+          "$leadingString ${pickedDate.toLocal().toString().split(" ")[0]}"),
     );
   }
 }

lib/widgets/buttons/select_duration_btn.dart

@@ -5,7 +5,8 @@ class SelectDurationBtn extends StatelessWidget {
   final Duration duration;
   final void Function(Duration) updateDuration;
 
-  SelectDurationBtn({
+  const SelectDurationBtn({
+    super.key,
     @required this.duration,
     @required this.updateDuration,
   });
@@ -38,10 +39,10 @@ class SelectDurationBtn extends StatelessWidget {
     int days = duration.inDays - (365 * years) - (30 * months);
     return TextButton(
         onPressed: () => _onButtonPressed(context, appTheme),
-        child: Text("$years Years $months Months $days Days"),
         style: TextButton.styleFrom(
-          primary: appTheme.primaryTextTheme.button.color,
+          primary: appTheme.primaryTextTheme.labelLarge.color,
           backgroundColor: appTheme.accentColor,
-        ));
+        ),
+        child: Text("$years Years $months Months $days Days"));
   }
 }

lib/widgets/detail_screen_floating_action_buttons.dart

@@ -10,7 +10,8 @@ class DetailScreenFloatingActionButtons extends StatelessWidget {
       onCancelEditProgress,
       onDeleteProgress;
 
-  DetailScreenFloatingActionButtons({
+  const DetailScreenFloatingActionButtons({
+    super.key,
     @required this.editMode,
     @required this.originalProgress,
     @required this.editedProgress,
@@ -25,10 +26,10 @@ class DetailScreenFloatingActionButtons extends StatelessWidget {
   Widget build(BuildContext context) {
     final ThemeData appTheme = Theme.of(context);
 
-    void _onCancelEditTimeProgressBTN() {
+    void onCancelEditTimeProgressBTN() {
-      if (originalProgress == editedProgress)
+      if (originalProgress == editedProgress) {
         onCancelEditProgress();
-      else {
+      } else {
         showDialog(
           context: context,
           builder: (_) => AppYesNoDialog(
@@ -44,7 +45,7 @@ class DetailScreenFloatingActionButtons extends StatelessWidget {
       }
     }
 
-    void _onDeleteTimeProgressBTN() {
+    void onDeleteTimeProgressBTN() {
       showDialog(
         context: context,
         builder: (_) => AppYesNoDialog(
@@ -61,13 +62,13 @@ class DetailScreenFloatingActionButtons extends StatelessWidget {
           child: FloatingActionButton(
             heroTag:
                 editMode ? "saveEditedTimeProgressBTN" : "editTimeProgressBTN",
-            child: editMode ? Icon(Icons.save) : Icon(Icons.edit),
             backgroundColor: editMode ? Colors.green : appTheme.accentColor,
             onPressed: editMode
                 ? isEditedProgressValid
                     ? onSaveEditedProgress
                     : null
                 : onEditProgress,
+            child: editMode ? const Icon(Icons.save) : const Icon(Icons.edit),
           ),
         ),
         Expanded(
@@ -75,11 +76,11 @@ class DetailScreenFloatingActionButtons extends StatelessWidget {
             heroTag: editMode
                 ? "cancelEditTimeProgressBTN"
                 : "deleteTimeProgressBTN",
-            child: editMode ? Icon(Icons.cancel) : Icon(Icons.delete),
             backgroundColor: Colors.red,
             onPressed: editMode
-                ? _onCancelEditTimeProgressBTN
+                ? onCancelEditTimeProgressBTN
-                : _onDeleteTimeProgressBTN,
+                : onDeleteTimeProgressBTN,
+            child: editMode ? const Icon(Icons.cancel) : const Icon(Icons.delete),
           ),
         ),
       ],

lib/widgets/home/home_bottom_navbar.dart

@@ -4,11 +4,11 @@ class HomeBottomNavBar extends StatelessWidget {
   final int currentIndex;
   final Function onTap;
 
-  HomeBottomNavBar({
+  const HomeBottomNavBar({
-    Key key,
+    super.key,
     @required this.currentIndex,
     @required this.onTap,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -19,21 +19,21 @@ class HomeBottomNavBar extends StatelessWidget {
       currentIndex: currentIndex,
       items: [
         BottomNavigationBarItem(
-          icon: new Icon(
+          icon: Icon(
             Icons.alarm,
             color: appTheme.primaryColor,
           ),
           label: "Active Progresses",
         ),
         BottomNavigationBarItem(
-          icon: new Icon(
+          icon: Icon(
             Icons.alarm_off,
             color: appTheme.primaryColor,
           ),
           label: "Inactive Progresses",
         ),
         BottomNavigationBarItem(
-          icon: new Icon(
+          icon: Icon(
             Icons.settings,
             color: appTheme.primaryColor,
           ),

lib/widgets/home/tabs/home_active_progresses_tab.dart

@@ -6,6 +6,8 @@ import 'package:time_progress_tracker/widgets/store_connectors/settings_store_co
 import 'package:time_progress_tracker/widgets/store_connectors/time_progress_list_store_connector.dart';
 
 class HomeActiveProgressesTab extends StatelessWidget {
+  const HomeActiveProgressesTab({super.key});
+
   @override
   Widget build(BuildContext context) {
     return SettingsStoreConnector(
@@ -14,14 +16,15 @@ class HomeActiveProgressesTab extends StatelessWidget {
           loadedBuilder: (context, tpListVm) {
             List<TimeProgress> activeTpList =
                 selectActiveProgresses(tpListVm.tpList);
-            if (activeTpList.length < 1)
+            if (activeTpList.isEmpty) {
               return Container(
-                padding: EdgeInsets.all(16),
+                padding: const EdgeInsets.all(16),
-                child: Center(
+                child: const Center(
                   child: Text(
                       "You don't have any active time progress, that are tracked."),
                 ),
               );
+            }
 
             return ProgressListView(
               timeProgressList: activeTpList,

lib/widgets/home/tabs/home_inactive_progresses_tab.dart

@@ -6,6 +6,8 @@ import 'package:time_progress_tracker/widgets/store_connectors/settings_store_co
 import 'package:time_progress_tracker/widgets/store_connectors/time_progress_list_store_connector.dart';
 
 class HomeInactiveProgressesTab extends StatelessWidget {
+  const HomeInactiveProgressesTab({super.key});
+
   @override
   Widget build(BuildContext context) {
     return SettingsStoreConnector(
@@ -14,14 +16,15 @@ class HomeInactiveProgressesTab extends StatelessWidget {
           loadedBuilder: (context, tpListVm) {
             List<TimeProgress> inactiveTpList =
                 selectInactiveProgresses(tpListVm.tpList);
-            if (inactiveTpList.length < 1)
+            if (inactiveTpList.isEmpty) {
               return Container(
-                padding: EdgeInsets.all(16),
+                padding: const EdgeInsets.all(16),
-                child: Center(
+                child: const Center(
                   child: Text(
                       "You don't have any currently inactive time progresses, that are tracked."),
                 ),
               );
+            }
 
             return ProgressListView(
               timeProgressList: inactiveTpList,

lib/widgets/home/tabs/home_settings_tab.dart

@@ -5,12 +5,14 @@ import 'package:time_progress_tracker/widgets/home/tabs/settings/duration_settin
 import 'package:time_progress_tracker/widgets/store_connectors/settings_store_connector.dart';
 
 class HomeSettingsTab extends StatelessWidget {
+  const HomeSettingsTab({super.key});
+
   @override
   Widget build(BuildContext context) {
     return SettingsStoreConnector(
       loadedBuilder: (context, settingsVm) {
         return Container(
-          padding: EdgeInsets.all(16),
+          padding: const EdgeInsets.all(16),
           child: Center(
             child: Column(
               children: [
@@ -28,7 +30,7 @@ class HomeSettingsTab extends StatelessWidget {
                     updateDuration: settingsVm.updateDuration,
                   ),
                 ),
-                Spacer(),
+                const Spacer(),
                 Expanded(
                   child: TextButton(
                     onPressed: () {
@@ -39,7 +41,7 @@ class HomeSettingsTab extends StatelessWidget {
                           applicationLegalese:
                               '\u00a9Andreas Fahrecker 2020-2021');
                     },
-                    child: Text("About"),
+                    child: const Text("About"),
                   ),
                 ),
               ],

lib/widgets/home/tabs/settings/color_settings_widget.dart

@@ -5,7 +5,8 @@ class ColorSettingsWidget extends StatelessWidget {
   final Color doneColor, leftColor;
   final void Function(Color) updateDoneColor, updateLeftColor;
 
-  ColorSettingsWidget({
+  const ColorSettingsWidget({
+    super.key,
     @required this.doneColor,
     @required this.leftColor,
     @required this.updateDoneColor,
@@ -21,14 +22,14 @@ class ColorSettingsWidget extends StatelessWidget {
         Expanded(
           child: Text(
             "Color Settings",
-            style: appTheme.textTheme.headline6,
+            style: appTheme.textTheme.titleLarge,
           ),
         ),
         Row(
           children: [
             Expanded(
               child: Padding(
-                padding: EdgeInsets.only(right: 5),
+                padding: const EdgeInsets.only(right: 5),
                 child: ColorPickerButton(
                   title: "Done Color",
                   dialogTitle: "Select Done Color",
@@ -39,7 +40,7 @@ class ColorSettingsWidget extends StatelessWidget {
             ),
             Expanded(
               child: Padding(
-                padding: EdgeInsets.only(left: 5),
+                padding: const EdgeInsets.only(left: 5),
                 child: ColorPickerButton(
                   title: "Left Color",
                   dialogTitle: "Select Left Color",

lib/widgets/home/tabs/settings/duration_settings_widget.dart

@@ -5,7 +5,8 @@ class DurationSettingsWidget extends StatelessWidget {
   final Duration duration;
   final void Function(Duration) updateDuration;
 
-  DurationSettingsWidget({
+  const DurationSettingsWidget({
+    super.key,
     @required this.duration,
     @required this.updateDuration,
   });
@@ -14,15 +15,15 @@ class DurationSettingsWidget extends StatelessWidget {
   Widget build(BuildContext context) {
     ThemeData appTheme = Theme.of(context);
 
-    int years = duration.inDays ~/ 365;
+    //int years = duration.inDays ~/ 365;
-    int months = (duration.inDays - (365 * years)) ~/ 30;
+    //int months = (duration.inDays - (365 * years)) ~/ 30;
-    int days = duration.inDays - (365 * years) - (30 * months);
+    //int days = duration.inDays - (365 * years) - (30 * months);
     return Column(
       children: [
         Expanded(
           child: Text(
             "Duration Settings",
-            style: appTheme.textTheme.headline6,
+            style: appTheme.textTheme.titleLarge,
           ),
         ),
         Row(

lib/widgets/progress_editor_widget.dart

@@ -6,7 +6,8 @@ class ProgressEditorWidget extends StatefulWidget {
   final TimeProgress timeProgress;
   final Function(TimeProgress, bool) onTimeProgressChanged;
 
-  ProgressEditorWidget({
+  const ProgressEditorWidget({
+    super.key,
     @required this.timeProgress,
     @required this.onTimeProgressChanged,
   });
@@ -67,7 +68,7 @@ class _ProgressEditorWidgetState extends State<ProgressEditorWidget> {
         child: TextField(
           controller: _nameTextController,
           decoration: InputDecoration(
-            border: OutlineInputBorder(),
+            border: const OutlineInputBorder(),
             labelText: "Progress Name",
             errorText: _validName
                 ? null
@@ -80,7 +81,7 @@ class _ProgressEditorWidgetState extends State<ProgressEditorWidget> {
           children: [
             Expanded(
               child: Padding(
-                padding: EdgeInsets.only(right: 5),
+                padding: const EdgeInsets.only(right: 5),
                 child: DatePickerBtn(
                   leadingString: "Start Date:",
                   pickedDate: widget.timeProgress.startTime,
@@ -90,7 +91,7 @@ class _ProgressEditorWidgetState extends State<ProgressEditorWidget> {
             ),
             Expanded(
               child: Padding(
-                padding: EdgeInsets.only(left: 5),
+                padding: const EdgeInsets.only(left: 5),
                 child: DatePickerBtn(
                   leadingString: "End Date:",
                   pickedDate: widget.timeProgress.endTime,
@@ -103,9 +104,9 @@ class _ProgressEditorWidgetState extends State<ProgressEditorWidget> {
       )
     ];
 
-    if (!_validDate)
+    if (!_validDate) {
       columnChildren.add(
-        Expanded(
+        const Expanded(
           child: Center(
             child: Text(
               "Invalid Dates. The Start Date has to be before the End Date",
@@ -114,11 +115,10 @@ class _ProgressEditorWidgetState extends State<ProgressEditorWidget> {
           ),
         ),
       );
+    }
 
-    return Container(
+    return Column(
-      child: Column(
       children: columnChildren,
-      ),
     );
   }
 }

lib/widgets/progress_list_view/progress_list_tile.dart

@@ -18,17 +18,19 @@ class ProgressListTile extends StatelessWidget {
   final TimeProgress timeProgress;
   final Color doneColor, leftColor;
 
-  ProgressListTile({
+  const ProgressListTile({super.key, 
     @required this.timeProgress,
     @required this.doneColor,
     @required this.leftColor,
   });
 
   Widget _renderSubtitle(BuildContext context) {
-    if (!timeProgress.hasStarted())
+    if (!timeProgress.hasStarted()) {
       return Text(ProgressListTileStrings.startsInDaysString(timeProgress));
-    if (timeProgress.hasEnded())
+    }
+    if (timeProgress.hasEnded()) {
       return Text(ProgressListTileStrings.endedDaysAgoString(timeProgress));
+    }
     return LinearPercentIndicator(
       center: Text(ProgressListTileStrings.percentString(timeProgress)),
       percent: timeProgress.percentDone(),
@@ -40,14 +42,14 @@ class ProgressListTile extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    void _onTileTap() =>
+    void onTileTap() =>
         Navigator.pushNamed(context, ProgressDetailScreen.routeName,
             arguments: ProgressDetailScreenArguments(timeProgress.id));
 
     return ListTile(
       title: Text(timeProgress.name),
       subtitle: _renderSubtitle(context),
-      onTap: _onTileTap,
+      onTap: onTileTap,
     );
   }
 }

lib/widgets/progress_list_view/progress_list_view.dart

@@ -6,7 +6,8 @@ class ProgressListView extends StatelessWidget {
   final List<TimeProgress> timeProgressList;
   final Color doneColor, leftColor;
 
-  ProgressListView({
+  const ProgressListView({
+    super.key,
     @required this.timeProgressList,
     @required this.doneColor,
     @required this.leftColor,
@@ -27,7 +28,7 @@ class ProgressListView extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return ListView(
-      padding: EdgeInsets.all(8),
+      padding: const EdgeInsets.all(8),
       children: _renderListViewChildren(),
     );
   }

lib/widgets/progress_view_widget.dart

@@ -8,7 +8,8 @@ class ProgressViewWidget extends StatelessWidget {
   final Color doneColor;
   final Color leftColor;
 
-  ProgressViewWidget({
+  const ProgressViewWidget({
+    super.key,
     @required this.timeProgress,
     @required this.doneColor,
     @required this.leftColor,
@@ -16,8 +17,7 @@ class ProgressViewWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Container(
+    return Column(
-      child: Column(
       children: [
         Expanded(
           child: FittedBox(
@@ -25,7 +25,7 @@ class ProgressViewWidget extends StatelessWidget {
             child: Text(
               timeProgress.name,
               textAlign: TextAlign.center,
-                style: TextStyle(
+              style: const TextStyle(
                 fontWeight: FontWeight.bold,
                 color: Colors.black87,
               ),
@@ -44,12 +44,12 @@ class ProgressViewWidget extends StatelessWidget {
         ),
         Expanded(
           child: LinearPercentIndicator(
-              padding: EdgeInsets.symmetric(horizontal: 15),
+            padding: const EdgeInsets.symmetric(horizontal: 15),
             percent: timeProgress.percentDone(),
             leading: Text("${timeProgress.daysBehind()} Days"),
             center: Text(
               "${(timeProgress.percentDone() * 100).floor()} %",
-                style: TextStyle(color: Colors.white),
+              style: const TextStyle(color: Colors.white),
             ),
             trailing: Text("${timeProgress.daysLeft()} Days"),
             progressColor: doneColor,
@@ -58,7 +58,6 @@ class ProgressViewWidget extends StatelessWidget {
           ),
         ),
       ],
-      ),
     );
   }
 }

lib/widgets/store_connectors/settings_store_connector.dart

@@ -8,7 +8,8 @@ import 'package:time_progress_tracker/models/app_state.dart';
 class SettingsStoreConnector extends StatelessWidget {
   final Widget Function(BuildContext, SettingsViewModel) loadedBuilder;
 
-  SettingsStoreConnector({
+  const SettingsStoreConnector({
+    super.key,
     @required this.loadedBuilder,
   });
 
@@ -18,10 +19,11 @@ class SettingsStoreConnector extends StatelessWidget {
       onInit: loadSettingsIfUnloaded,
       converter: (store) => SettingsViewModel._create(store),
       builder: (context, SettingsViewModel vm) {
-        if (!vm.hasSettingsLoaded)
+        if (!vm.hasSettingsLoaded) {
-          return Center(
+          return const Center(
             child: CircularProgressIndicator(),
           );
+        }
         return loadedBuilder(context, vm);
       },
     );
@@ -44,17 +46,17 @@ class SettingsViewModel {
   );
 
   factory SettingsViewModel._create(Store<AppState> store) {
-    AppSettings _appSettings = store.state.appSettings;
+    AppSettings appSettings = store.state.appSettings;
 
-    void _updateDoneColor(Color dC) => store.dispatch(
+    void updateDoneColor(Color dC) => store.dispatch(
-        UpdateAppSettingsActions(_appSettings.copyWith(doneColor: dC)));
+        UpdateAppSettingsActions(appSettings.copyWith(doneColor: dC)));
-    void _updateLeftColor(Color lC) => store.dispatch(
+    void updateLeftColor(Color lC) => store.dispatch(
-        UpdateAppSettingsActions(_appSettings.copyWith(leftColor: lC)));
+        UpdateAppSettingsActions(appSettings.copyWith(leftColor: lC)));
 
-    void _updateDuration(Duration d) => store
+    void updateDuration(Duration d) => store
-        .dispatch(UpdateAppSettingsActions(_appSettings.copyWith(duration: d)));
+        .dispatch(UpdateAppSettingsActions(appSettings.copyWith(duration: d)));
 
-    return SettingsViewModel(_appSettings, store.state.hasSettingsLoaded,
+    return SettingsViewModel(appSettings, store.state.hasSettingsLoaded,
-        _updateDoneColor, _updateLeftColor, _updateDuration);
+        updateDoneColor, updateLeftColor, updateDuration);
   }
 }

lib/widgets/store_connectors/time_progress_list_store_connector.dart

@@ -8,7 +8,8 @@ import 'package:time_progress_tracker/models/time_progress.dart';
 class TimeProgressListStoreConnector extends StatelessWidget {
   final Widget Function(BuildContext, TimeProgressListViewModel) loadedBuilder;
 
-  TimeProgressListStoreConnector({
+  const TimeProgressListStoreConnector({
+    super.key,
     @required this.loadedBuilder,
   });
 
@@ -18,10 +19,11 @@ class TimeProgressListStoreConnector extends StatelessWidget {
       onInit: loadTimeProgressListIfUnloaded,
       converter: (store) => TimeProgressListViewModel._create(store),
       builder: (context, TimeProgressListViewModel vm) {
-        if (!vm.hasTpListLoaded)
+        if (!vm.hasTpListLoaded) {
-          return Center(
+          return const Center(
             child: CircularProgressIndicator(),
           );
+        }
         return loadedBuilder(context, vm);
       },
     );

lib/widgets/store_connectors/time_progress_store_connector.dart

@@ -11,7 +11,8 @@ class TimeProgressStoreConnector extends StatelessWidget {
   final String timeProgressId;
   final Widget Function(BuildContext, TimeProgressViewModel) loadedBuilder;
 
-  TimeProgressStoreConnector({
+  const TimeProgressStoreConnector({
+    super.key,
     @required this.timeProgressId,
     @required this.loadedBuilder,
   });
@@ -23,14 +24,16 @@ class TimeProgressStoreConnector extends StatelessWidget {
       converter: (store) =>
           TimeProgressViewModel._create(store, timeProgressId),
       builder: (context, TimeProgressViewModel vm) {
-        if (!vm.hasTpListLoaded)
+        if (!vm.hasTpListLoaded) {
-          return Center(
+          return const Center(
             child: CircularProgressIndicator(),
           );
-        if (vm.tp == null)
+        }
-          return Center(
+        if (vm.tp == null) {
+          return const Center(
             child: Text("Error Invalid Time Progress"),
           );
+        }
         return loadedBuilder(context, vm);
       },
     );
@@ -52,15 +55,15 @@ class TimeProgressViewModel {
   );
 
   factory TimeProgressViewModel._create(Store<AppState> store, String id) {
-    void _updateTimeProgress(TimeProgress tp) =>
+    void updateTimeProgress(TimeProgress tp) =>
         store.dispatch(UpdateTimeProgressAction(id, tp));
-    void _deleteTimeProgress() => store.dispatch(DeleteTimeProgressAction(id));
+    void deleteTimeProgress() => store.dispatch(DeleteTimeProgressAction(id));
 
     return TimeProgressViewModel(
       selectProgressById(store.state.timeProgressList, id),
       store.state.hasProgressesLoaded,
-      _updateTimeProgress,
+      updateTimeProgress,
-      _deleteTimeProgress,
+      deleteTimeProgress,
     );
   }
 }

test/material_tester_widget.dart

@@ -3,7 +3,8 @@ import 'package:flutter/material.dart';
 class MaterialTesterWidget extends StatelessWidget {
   final Widget widget;
 
-  MaterialTesterWidget({
+  const MaterialTesterWidget({
+    super.key,
     @required this.widget,
   });
 

test/widget_test.dart

@@ -13,34 +13,34 @@ import 'package:time_progress_tracker/models/time_progress.dart';
 import 'package:time_progress_tracker/widgets/progress_list_view/progress_list_tile.dart';
 import 'package:time_progress_tracker/widgets/progress_list_view/progress_list_view.dart';
 
-import 'MaterialTesterWidget.dart';
+import 'material_tester_widget.dart';
 
 void main() {
-  final AppSettings _defaultAppSettings = AppSettings.defaults();
+  final AppSettings defaultAppSettings = AppSettings.defaults();
-  final int _thisYear = DateTime.now().year;
+  final int thisYear = DateTime.now().year;
-  final TimeProgress _activeProgress = TimeProgress(
+  final TimeProgress activeProgress = TimeProgress(
-      "TestProgress", DateTime(_thisYear - 2), DateTime(_thisYear + 2));
+      "TestProgress", DateTime(thisYear - 2), DateTime(thisYear + 2));
 
-  void _findStringOnce(String str) => expect(find.text(str), findsOneWidget);
+  void findStringOnce(String str) => expect(find.text(str), findsOneWidget);
 
   testWidgets("Progress List Tile with currently active progress works",
       (WidgetTester tester) async {
     await tester.pumpWidget(MaterialTesterWidget(
       widget: ProgressListTile(
-        timeProgress: _activeProgress,
+        timeProgress: activeProgress,
-        doneColor: _defaultAppSettings.doneColor,
+        doneColor: defaultAppSettings.doneColor,
-        leftColor: _defaultAppSettings.leftColor,
+        leftColor: defaultAppSettings.leftColor,
       ),
     ));
 
-    _findStringOnce(_activeProgress.name);
+    findStringOnce(activeProgress.name);
-    _findStringOnce(ProgressListTileStrings.percentString(_activeProgress));
+    findStringOnce(ProgressListTileStrings.percentString(activeProgress));
 
-    WidgetPredicate linearPercentPredicate = (Widget widget) =>
+    linearPercentPredicate(Widget widget) =>
         widget is LinearPercentIndicator &&
-        widget.percent == _activeProgress.percentDone() &&
+        widget.percent == activeProgress.percentDone() &&
-        widget.progressColor == _defaultAppSettings.doneColor &&
+        widget.progressColor == defaultAppSettings.doneColor &&
-        widget.backgroundColor == _defaultAppSettings.leftColor;
+        widget.backgroundColor == defaultAppSettings.leftColor;
     expect(find.byWidgetPredicate(linearPercentPredicate), findsOneWidget);
   });
 
@@ -48,40 +48,40 @@ void main() {
       (WidgetTester tester) async {
     TimeProgress futureProgress = TimeProgress(
       "Test Progress",
-      DateTime(_thisYear + 1),
+      DateTime(thisYear + 1),
-      DateTime(_thisYear + 2),
+      DateTime(thisYear + 2),
     );
 
     await tester.pumpWidget(MaterialTesterWidget(
       widget: ProgressListTile(
         timeProgress: futureProgress,
-        doneColor: _defaultAppSettings.doneColor,
+        doneColor: defaultAppSettings.doneColor,
-        leftColor: _defaultAppSettings.leftColor,
+        leftColor: defaultAppSettings.leftColor,
       ),
     ));
 
-    _findStringOnce(futureProgress.name);
+    findStringOnce(futureProgress.name);
-    _findStringOnce(ProgressListTileStrings.startsInDaysString(futureProgress));
+    findStringOnce(ProgressListTileStrings.startsInDaysString(futureProgress));
   });
 
   testWidgets("Progress List Tile with past progress works",
       (WidgetTester tester) async {
     TimeProgress pastProgress = TimeProgress(
       "Test Progress",
-      DateTime(_thisYear - 2),
+      DateTime(thisYear - 2),
-      DateTime(_thisYear - 1),
+      DateTime(thisYear - 1),
     );
 
     await tester.pumpWidget(MaterialTesterWidget(
       widget: ProgressListTile(
         timeProgress: pastProgress,
-        doneColor: _defaultAppSettings.doneColor,
+        doneColor: defaultAppSettings.doneColor,
-        leftColor: _defaultAppSettings.leftColor,
+        leftColor: defaultAppSettings.leftColor,
       ),
     ));
 
-    _findStringOnce(pastProgress.name);
+    findStringOnce(pastProgress.name);
-    _findStringOnce(ProgressListTileStrings.endedDaysAgoString(pastProgress));
+    findStringOnce(ProgressListTileStrings.endedDaysAgoString(pastProgress));
   });
 
   WidgetPredicate getProgressListTilePredicate(
@@ -96,35 +96,37 @@ void main() {
       (WidgetTester tester) async {
     await tester.pumpWidget(MaterialTesterWidget(
       widget: ProgressListView(
-        timeProgressList: [_activeProgress],
+        timeProgressList: [activeProgress],
-        doneColor: _defaultAppSettings.doneColor,
+        doneColor: defaultAppSettings.doneColor,
-        leftColor: _defaultAppSettings.leftColor,
+        leftColor: defaultAppSettings.leftColor,
       ),
     ));
 
-    _findStringOnce(_activeProgress.name);
+    findStringOnce(activeProgress.name);
     expect(
         find.byWidgetPredicate(
-            getProgressListTilePredicate(_activeProgress, _defaultAppSettings)),
+            getProgressListTilePredicate(activeProgress, defaultAppSettings)),
         findsOneWidget);
   });
 
   testWidgets("Progress List View displays file tiles",
       (WidgetTester tester) async {
     List<TimeProgress> tpList = [];
-    for (int i = 0; i < 5; i++) tpList.add(_activeProgress);
+    for (int i = 0; i < 5; i++) {
+      tpList.add(activeProgress);
+    }
     await tester.pumpWidget(MaterialTesterWidget(
       widget: ProgressListView(
         timeProgressList: tpList,
-        doneColor: _defaultAppSettings.doneColor,
+        doneColor: defaultAppSettings.doneColor,
-        leftColor: _defaultAppSettings.leftColor,
+        leftColor: defaultAppSettings.leftColor,
       ),
     ));
 
-    expect(find.text(_activeProgress.name), findsNWidgets(5));
+    expect(find.text(activeProgress.name), findsNWidgets(5));
     expect(
         find.byWidgetPredicate(
-            getProgressListTilePredicate(_activeProgress, _defaultAppSettings)),
+            getProgressListTilePredicate(activeProgress, defaultAppSettings)),
         findsNWidgets(5));
   });
 }