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

Still WIP need to fix more Problems

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(),
     );
   }