Fix flutter lints, refactor super parameters

lib/components/badge.dart

@@ -16,6 +16,7 @@ class MaterialBadge extends StatelessWidget {
     this.isNotScheduled = false,
     this.isOnTime = false,
     this.isDelayed = false,
+    super.key,
   });
 
   @override
@@ -92,11 +93,12 @@ class CupertinoBadge extends StatelessWidget {
     this.isNotScheduled = false,
     this.isOnTime = false,
     this.isDelayed = false,
+    super.key,
   });
 
   @override
   Widget build(BuildContext context) {
-    Color foregroundColor = FOREGROUND_WHITE;
+    Color foregroundColor = foregroundWhite;
     Color? backgroundColor;
 
     if (isNotScheduled) {
@@ -136,7 +138,7 @@ class CupertinoBadge extends StatelessWidget {
                   style: CupertinoTheme.of(context).textTheme.textStyle.copyWith(
                     fontSize: 20,
                     fontWeight: MediaQuery.of(context).boldText ? FontWeight.w400 : FontWeight.w200,
-                    color: MediaQuery.of(context).boldText ? FOREGROUND_WHITE : foregroundColor,
+                    color: MediaQuery.of(context).boldText ? foregroundWhite : foregroundColor,
                   ),
                   textAlign: TextAlign.center,
                 ),
@@ -146,7 +148,7 @@ class CupertinoBadge extends StatelessWidget {
               caption,
               style: CupertinoTheme.of(context).textTheme.textStyle.copyWith(
                 fontSize: 12,
-                color: MediaQuery.of(context).boldText ? FOREGROUND_WHITE : foregroundColor,
+                color: MediaQuery.of(context).boldText ? foregroundWhite : foregroundColor,
               ),
             ),
           ],

lib/components/cupertino_divider.dart

@@ -5,7 +5,7 @@ class CupertinoDivider extends StatelessWidget {
   final Color color;
 
   const CupertinoDivider({Key? key, Color? color}):
-  color = color ?? FOREGROUND_DARK_GREY,
+  color = color ?? foregroundDarkGrey,
   super(key: key);
 
   @override
@@ -34,7 +34,7 @@ class CupertinoVerticalDivider extends StatelessWidget {
   final Color color;
 
   const CupertinoVerticalDivider({Key? key, Color? color}):
-  color = color ?? FOREGROUND_DARK_GREY,
+  color = color ?? foregroundDarkGrey,
   super(key: key);
 
   @override

lib/components/loading/loading.dart

@@ -5,7 +5,7 @@ import 'package:info_tren/models.dart';
 import 'package:info_tren/utils/default_ui_design.dart';
 
 class Loading extends StatelessWidget {
-  static const DEFAULT_TEXT = 'Loading...';
+  static const defaultText = 'Loading...';
   
   final UiDesign? uiDesign;
   final String? text;
@@ -16,9 +16,9 @@ class Loading extends StatelessWidget {
     final uiDesign = this.uiDesign ?? defaultUiDesign;
     switch (uiDesign) {
       case UiDesign.MATERIAL:
-        return LoadingMaterial(text: text ?? DEFAULT_TEXT,);
+        return LoadingMaterial(text: text ?? defaultText,);
       case UiDesign.CUPERTINO:
-        return LoadingCupertino(text: text ?? DEFAULT_TEXT,);
+        return LoadingCupertino(text: text ?? defaultText,);
       default:
         throw UnmatchedUiDesignException(uiDesign);
     }
@@ -27,5 +27,5 @@ class Loading extends StatelessWidget {
 
 abstract class LoadingCommon extends StatelessWidget {
   final String text;
-  const LoadingCommon({required this.text});
+  const LoadingCommon({required this.text, super.key,});
 }

lib/components/loading/loading_cupertino.dart

@@ -2,7 +2,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:info_tren/components/loading/loading.dart';
 
 class LoadingCupertino extends LoadingCommon {
-  const LoadingCupertino({required String text}) : super(text: text,);
+  const LoadingCupertino({required super.text, super.key,});
 
   @override
   Widget build(BuildContext context) {

lib/components/loading/loading_material.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:info_tren/components/loading/loading.dart';
 
 class LoadingMaterial extends LoadingCommon {
-  const LoadingMaterial({required String text}) : super(text: text,);
+  const LoadingMaterial({required super.text, super.key});
 
   @override
   Widget build(BuildContext context) {

lib/components/slim_app_bar.dart

@@ -9,6 +9,7 @@ class SlimAppBar extends StatelessWidget {
     required this.title, 
     this.size = 24,
     // this.onBackTap,
+    super.key,
   });
 
   @override

lib/components/sliver_persistent_header_padding.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 class SliverPersistentHeaderPadding extends StatelessWidget {
   final double maxHeight;
 
-  const SliverPersistentHeaderPadding({required this.maxHeight});
+  const SliverPersistentHeaderPadding({required this.maxHeight, super.key,});
 
   @override
   Widget build(BuildContext context) {

lib/main.dart

@@ -12,7 +12,7 @@ import 'package:info_tren/pages/train_info_page/select_train/select_train.dart';
 
 void main() {
   runApp(
-    StartPoint(),
+    const StartPoint(),
   );
 }
 
@@ -56,6 +56,8 @@ Map<String, WidgetBuilder> routesByUiDesign(UiDesign uiDesign) => {
 class StartPoint extends StatelessWidget {
   final String appTitle = 'Info Tren';
 
+  const StartPoint({super.key});
+
   @override
   Widget build(BuildContext context) {
     // if (Platform.isIOS || Platform.isMacOS) {

lib/pages/about/about_page.dart

@@ -29,7 +29,7 @@ class AboutPage extends StatefulWidget {
 }
 
 abstract class AboutPageState extends State<AboutPage> {
-  static const String DOWNLOAD = String.fromEnvironment('DOWNLOAD');
+  static const String download = String.fromEnvironment('DOWNLOAD');
 
   final String pageTitle = 'Despre aplicație';
   final String versionTitleText = 'Versiunea aplicației';

lib/pages/about/about_page_cupertino.dart

@@ -95,7 +95,7 @@ class AboutPageStateCupertino extends AboutPageState {
                               ),
                             ),
                           ),
-                        if (AboutPageState.DOWNLOAD == 'apk' && log.apkLink != null)
+                        if (AboutPageState.download == 'apk' && log.apkLink != null)
                           CupertinoButton(
                             padding: const EdgeInsets.all(4),
                             minSize: 0,

lib/pages/about/about_page_material.dart

@@ -85,7 +85,7 @@ class AboutPageStateMaterial extends AboutPageState {
                           ),
                         ),
                       ),
-                    if (AboutPageState.DOWNLOAD == 'apk' && log.apkLink != null)
+                    if (AboutPageState.download == 'apk' && log.apkLink != null)
                       GestureDetector(
                         onSecondaryTap: () {
                           Clipboard.setData(ClipboardData(text: log.apkLink!.toString()));

lib/pages/main/main_page.dart

@@ -18,9 +18,9 @@ class MainPage extends StatelessWidget {
     
     switch (uiDesign) {
       case UiDesign.MATERIAL:
-        return MainPageMaterial();
+        return const MainPageMaterial();
       case UiDesign.CUPERTINO:
-        return MainPageCupertino();
+        return const MainPageCupertino();
       default:
         throw UnmatchedUiDesignException(uiDesign);
     }
@@ -31,6 +31,8 @@ abstract class MainPageShared extends StatelessWidget {
   final String pageTitle = 'Info Tren';
   final String moreOptionsText = 'Mai multe opțiuni';
 
+  const MainPageShared({super.key});
+
   List<MainPageAction> get popupMenu => [
     MainPageAction(
       name: 'Despre aplicație',

lib/pages/main/main_page_cupertino.dart

@@ -2,6 +2,8 @@ import 'package:flutter/cupertino.dart';
 import 'package:info_tren/pages/main/main_page.dart';
 
 class MainPageCupertino extends MainPageShared {
+  const MainPageCupertino({super.key});
+
   @override
   Widget build(BuildContext context) {
     return CupertinoPageScaffold(

lib/pages/main/main_page_material.dart

@@ -2,6 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:info_tren/pages/main/main_page.dart';
 
 class MainPageMaterial extends MainPageShared {
+  const MainPageMaterial({super.key});
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(

lib/pages/station_arrdep_page/select_station/select_station.dart

@@ -4,7 +4,7 @@ import 'package:info_tren/pages/station_arrdep_page/select_station/select_statio
 import 'package:info_tren/pages/station_arrdep_page/select_station/select_station_material.dart';
 import 'package:info_tren/pages/station_arrdep_page/view_station/view_station.dart';
 import 'package:info_tren/utils/default_ui_design.dart';
-import 'package:info_tren/api/stations.dart' as apiStations;
+import 'package:info_tren/api/stations.dart' as api_stations;
 
 class SelectStationPage extends StatefulWidget {
   final UiDesign? uiDesign;
@@ -63,7 +63,7 @@ abstract class SelectStationPageState extends State<SelectStationPage> {
 
   @override
   void initState() {
-    apiStations.stations.then((value) {
+    api_stations.stations.then((value) {
       setState(() {
         stations = value.map((e) => e.name).toList(growable: false,);
       });

lib/pages/train_info_page/select_train/select_train.dart

@@ -7,7 +7,7 @@ import 'package:info_tren/pages/train_info_page/select_train/select_train_cupert
 import 'package:info_tren/pages/train_info_page/select_train/select_train_material.dart';
 import 'package:info_tren/pages/train_info_page/view_train/train_info.dart';
 import 'package:info_tren/utils/default_ui_design.dart';
-import 'package:info_tren/api/trains.dart' as apiTrains;
+import 'package:info_tren/api/trains.dart' as api_trains;
 
 typedef TrainSelectedCallback = Function(int trainNumber);
 
@@ -74,7 +74,7 @@ abstract class SelectTrainPageState extends State<SelectTrainPage> {
 
   @override
   void initState() {
-    apiTrains.trains.then((value) {
+    api_trains.trains.then((value) {
       setState(() {
         trains = value;
         trains.sort((t1, t2) {

lib/pages/train_info_page/train_info_constants.dart

@@ -1,10 +1,10 @@
 import 'dart:ui';
 
-const BACKGROUND_GREEN = Color.fromRGBO(5, 66, 10, 1);
+const backgroundGreen = Color.fromRGBO(5, 66, 10, 1);
-const FOREGROUND_GREEN = Color.fromRGBO(20, 180, 50, 1);
+const foregroundGreen = Color.fromRGBO(20, 180, 50, 1);
 
-const BACKGROUND_RED = Color.fromRGBO(66, 10, 5, 1);
+const backgroundRed = Color.fromRGBO(66, 10, 5, 1);
 
-const FOREGROUND_WHITE = Color.fromRGBO(240, 250, 240, 1);
+const foregroundWhite = Color.fromRGBO(240, 250, 240, 1);
 
-const FOREGROUND_DARK_GREY = Color.fromRGBO(55, 55, 55, 1);
+const foregroundDarkGrey = Color.fromRGBO(55, 55, 55, 1);

lib/pages/train_info_page/view_train/train_info.dart

@@ -77,7 +77,12 @@ abstract class TrainInfoLoading extends StatelessWidget {
   final String title;
   final Widget loadingWidget;
 
-  TrainInfoLoading({required this.title, String? loadingText, UiDesign? uiDesign}) : loadingWidget = Loading(uiDesign: uiDesign, text: loadingText,);
+  TrainInfoLoading({
+    required this.title, 
+    String? loadingText, 
+    UiDesign? uiDesign, 
+    super.key,
+  }) : loadingWidget = Loading(uiDesign: uiDesign, text: loadingText,);
 }
 
 abstract class TrainInfoError extends StatelessWidget {
@@ -85,7 +90,7 @@ abstract class TrainInfoError extends StatelessWidget {
   final Object error;
   final Future Function()? refresh;
 
-  const TrainInfoError({required this.title, required this.error, this.refresh});
+  const TrainInfoError({required this.title, required this.error, this.refresh, super.key,});
 }
 
 abstract class DisplayTrainYesterdayWarningCommon extends StatelessWidget {
@@ -94,5 +99,5 @@ abstract class DisplayTrainYesterdayWarningCommon extends StatelessWidget {
 
   final void Function() onViewYesterdayTrain;
 
-  const DisplayTrainYesterdayWarningCommon(this.onViewYesterdayTrain);
+  const DisplayTrainYesterdayWarningCommon(this.onViewYesterdayTrain, {super.key,});
 }

lib/pages/train_info_page/view_train/train_info_cupertino.dart

@@ -11,11 +11,8 @@ import 'package:info_tren/pages/train_info_page/view_train/train_info_cupertino_
 import 'package:info_tren/utils/state_to_string.dart';
 
 class TrainInfoLoadingCupertino extends TrainInfoLoading {
-  TrainInfoLoadingCupertino({required String title, String? loadingText})
+  TrainInfoLoadingCupertino({required super.title, super.loadingText, super.key,})
-      : super(
+      : super(uiDesign: UiDesign.CUPERTINO);
-            title: title,
-            loadingText: loadingText,
-            uiDesign: UiDesign.CUPERTINO);
 
   @override
   Widget build(BuildContext context) {
@@ -35,6 +32,7 @@ class TrainInfoErrorCupertino extends TrainInfoError {
     required Object error,
     required String title,
     Future Function()? refresh,
+    super.key,
   }) : super(
           error: error,
           title: title,
@@ -78,6 +76,7 @@ class TrainInfoCupertino extends StatelessWidget {
     this.refresh,
     this.isRefreshing,
     this.onViewYesterdayTrain,
+    super.key,
   });
 
   @override
@@ -197,7 +196,7 @@ class TrainInfoCupertino extends StatelessWidget {
                   ),
                   const SliverToBoxAdapter(
                     child: CupertinoDivider(
-                      color: FOREGROUND_WHITE,
+                      color: foregroundWhite,
                     ),
                   ),
                   DisplayTrainLastInfo(
@@ -258,7 +257,7 @@ class TrainInfoCupertino extends StatelessWidget {
                   // ),
                   const SliverToBoxAdapter(
                     child: CupertinoDivider(
-                      color: FOREGROUND_WHITE,
+                      color: foregroundWhite,
                     ),
                   ),
                   if (onViewYesterdayTrain != null && trainData.stations.first.departure!.scheduleTime.compareTo(DateTime.now()) > 0) ...[
@@ -267,7 +266,7 @@ class TrainInfoCupertino extends StatelessWidget {
                     ),
                     const SliverToBoxAdapter(
                       child: CupertinoDivider(
-                        color: FOREGROUND_WHITE,
+                        color: foregroundWhite,
                       ),
                     ),
                   ],
@@ -394,7 +393,7 @@ class TrainInfoCupertino extends StatelessWidget {
 
 class DisplayTrainID extends StatelessWidget {
   final TrainData trainData;
-  const DisplayTrainID({required this.trainData});
+  const DisplayTrainID({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -426,7 +425,7 @@ class DisplayTrainID extends StatelessWidget {
 class DisplayTrainRoute extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRoute({required this.trainData});
+  const DisplayTrainRoute({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -472,7 +471,7 @@ class DisplayTrainRoute extends StatelessWidget {
 class DisplayTrainOperator extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainOperator({required this.trainData});
+  const DisplayTrainOperator({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -493,7 +492,7 @@ class DisplayTrainOperator extends StatelessWidget {
 class DisplayTrainDeparture extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainDeparture({required this.trainData});
+  const DisplayTrainDeparture({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -517,7 +516,7 @@ class DisplayTrainDeparture extends StatelessWidget {
 class DisplayTrainLastInfo extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainLastInfo({required this.trainData});
+  const DisplayTrainLastInfo({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -691,7 +690,7 @@ class DisplayTrainLastInfo extends StatelessWidget {
 class DisplayTrainDestination extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainDestination({required this.trainData});
+  const DisplayTrainDestination({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -791,7 +790,7 @@ class DisplayTrainDestination extends StatelessWidget {
 class DisplayTrainRouteDistance extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRouteDistance({required this.trainData});
+  const DisplayTrainRouteDistance({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -821,7 +820,7 @@ class DisplayTrainRouteDistance extends StatelessWidget {
 class DisplayTrainRouteDuration extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRouteDuration({required this.trainData});
+  const DisplayTrainRouteDuration({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -897,7 +896,7 @@ class DisplayTrainRouteDuration extends StatelessWidget {
 }
 
 class DisplayTrainYesterdayWarningCupertino extends DisplayTrainYesterdayWarningCommon {
-  const DisplayTrainYesterdayWarningCupertino(void Function() onViewYesterdayTrain) : super(onViewYesterdayTrain);
+  const DisplayTrainYesterdayWarningCupertino(super.onViewYesterdayTrain, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -934,6 +933,7 @@ class DisplayTrainStations extends StatelessWidget {
 
   const DisplayTrainStations({
     required this.trainData,
+    super.key,
   });
 
   @override

lib/pages/train_info_page/view_train/train_info_cupertino_DisplayTrainStation.dart

@@ -5,7 +5,7 @@ import 'package:info_tren/models.dart';
 class DisplayTrainStation extends StatelessWidget {
   final Station station;
 
-  const DisplayTrainStation({required this.station});
+  const DisplayTrainStation({required this.station, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -85,7 +85,8 @@ class Title extends StatelessWidget {
   final Station station;
 
   const Title({
-    required this.station
+    required this.station,
+    super.key,
   });
 
   @override
@@ -107,6 +108,7 @@ class Time extends StatelessWidget {
 
   const Time({
     required this.station,
+    super.key,
   });
 
   @override
@@ -161,6 +163,7 @@ class ArrivalTime extends StatelessWidget {
   const ArrivalTime({
     required this.station,
     this.finalStation = false,
+    super.key,
   });
 
   @override
@@ -242,6 +245,7 @@ class StopTime extends StatelessWidget {
 
   const StopTime({
     required this.station,
+    super.key,
   });
 
   @override
@@ -294,6 +298,7 @@ class DepartureTime extends StatelessWidget {
   const DepartureTime({
     required this.station,
     this.firstStation = false,
+    super.key,
   });
 
   @override
@@ -375,6 +380,7 @@ class Delay extends StatelessWidget {
 
   const Delay({
     required this.station,
+    super.key,
   });
 
   @override

lib/pages/train_info_page/view_train/train_info_material.dart

@@ -8,11 +8,8 @@ import 'package:info_tren/pages/train_info_page/view_train/train_info_material_D
 import 'package:info_tren/utils/state_to_string.dart';
 
 class TrainInfoLoadingMaterial extends TrainInfoLoading {
-  TrainInfoLoadingMaterial({required String title, String? loadingText})
+  TrainInfoLoadingMaterial({required super.title, super.loadingText, super.key,})
-      : super(
+      : super(uiDesign: UiDesign.MATERIAL);
-            title: title,
-            loadingText: loadingText,
-            uiDesign: UiDesign.MATERIAL);
 
   @override
   Widget build(BuildContext context) {
@@ -30,14 +27,11 @@ class TrainInfoLoadingMaterial extends TrainInfoLoading {
 
 class TrainInfoErrorMaterial extends TrainInfoError {
   const TrainInfoErrorMaterial({
-    required Object error,
+    required super.error,
-    required String title,
+    required super.title,
-    Future Function()? refresh,
+    super.refresh,
-  }) : super(
+    super.key,
-          error: error,
+  });
-          title: title,
-          refresh: refresh,
-        );
 
   @override
   Widget build(BuildContext context) {
@@ -77,6 +71,7 @@ class TrainInfoMaterial extends StatelessWidget {
     required this.trainData,
     this.refresh,
     this.onViewYesterdayTrain,
+    super.key,
   });
 
   @override
@@ -219,7 +214,7 @@ class TrainInfoMaterial extends StatelessWidget {
 class DisplayTrainID extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainID({required this.trainData});
+  const DisplayTrainID({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -255,7 +250,7 @@ class DisplayTrainID extends StatelessWidget {
 class DisplayTrainOperator extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainOperator({required this.trainData});
+  const DisplayTrainOperator({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -273,7 +268,7 @@ class DisplayTrainOperator extends StatelessWidget {
 class DisplayTrainRoute extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRoute({required this.trainData});
+  const DisplayTrainRoute({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -315,7 +310,7 @@ class DisplayTrainRoute extends StatelessWidget {
 class DisplayTrainDeparture extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainDeparture({required this.trainData});
+  const DisplayTrainDeparture({required this.trainData, super.key});
 
   @override
   Widget build(BuildContext context) {
@@ -338,7 +333,7 @@ class DisplayTrainDeparture extends StatelessWidget {
 class DisplayTrainLastInfo extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainLastInfo({required this.trainData});
+  const DisplayTrainLastInfo({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -530,7 +525,7 @@ class DisplayTrainLastInfo extends StatelessWidget {
 class DisplayTrainDestination extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainDestination({required this.trainData});
+  const DisplayTrainDestination({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -634,7 +629,7 @@ class DisplayTrainDestination extends StatelessWidget {
 class DisplayTrainRouteDistance extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRouteDistance({required this.trainData});
+  const DisplayTrainRouteDistance({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -671,7 +666,7 @@ class DisplayTrainRouteDistance extends StatelessWidget {
 class DisplayTrainRouteDuration extends StatelessWidget {
   final TrainData trainData;
 
-  const DisplayTrainRouteDuration({required this.trainData});
+  const DisplayTrainRouteDuration({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -754,8 +749,7 @@ class DisplayTrainRouteDuration extends StatelessWidget {
 
 class DisplayTrainYesterdayWarningMaterial
     extends DisplayTrainYesterdayWarningCommon {
-  const DisplayTrainYesterdayWarningMaterial(void Function() onViewYesterdayTrain)
+  const DisplayTrainYesterdayWarningMaterial(super.onViewYesterdayTrain, {super.key,});
-      : super(onViewYesterdayTrain);
 
   @override
   Widget build(BuildContext context) {
@@ -791,7 +785,7 @@ class DisplayTrainYesterdayWarningMaterial
 
 class DisplayTrainStations extends StatelessWidget {
   final TrainData trainData;
-  const DisplayTrainStations({required this.trainData});
+  const DisplayTrainStations({required this.trainData, super.key,});
 
   @override
   Widget build(BuildContext context) {

lib/pages/train_info_page/view_train/train_info_material_DisplayTrainStation.dart

@@ -7,7 +7,7 @@ class DisplayTrainStation extends StatelessWidget {
   final Station station;
   final void Function()? onTap;
 
-  const DisplayTrainStation({required this.station, this.onTap});
+  const DisplayTrainStation({required this.station, this.onTap, super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -97,7 +97,8 @@ class Title extends StatelessWidget {
   final Station station;
 
   const Title({
-    required this.station
+    required this.station,
+    super.key,
   });
 
   @override
@@ -119,6 +120,7 @@ class Time extends StatelessWidget {
 
   const Time({
     required this.station,
+    super.key,
   });
 
   @override
@@ -173,6 +175,7 @@ class ArrivalTime extends StatelessWidget {
   const ArrivalTime({
     required this.station,
     this.finalStation = false,
+    super.key,
   });
 
   @override
@@ -257,6 +260,7 @@ class StopTime extends StatelessWidget {
 
   const StopTime({
     required this.station,
+    super.key,
   });
 
   @override
@@ -308,6 +312,7 @@ class DepartureTime extends StatelessWidget {
   const DepartureTime({
     required this.station,
     this.firstStation = false,
+    super.key,
   });
 
   @override
@@ -393,6 +398,7 @@ class Delay extends StatelessWidget {
 
   const Delay({
     required this.station,
+    super.key,
   });
 
   @override

lib/train_info_display.dart

@@ -5,7 +5,7 @@ import 'package:info_tren/stations_list.dart.old';
 class TrainInfoDisplayData extends StatelessWidget {
   final TrainData trainData;
 
-  const TrainInfoDisplayData(this.trainData);
+  const TrainInfoDisplayData(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -28,12 +28,12 @@ class TrainInfoDisplayData extends StatelessWidget {
             padding: const EdgeInsets.all(4.0),
             child: TotalDetails(trainData),
           ),
-          CustomDivider(),
+          const CustomDivider(),
           Padding(
             padding: const EdgeInsets.all(4.0),
             child: Destination(trainData),
           ),
-          CustomDivider(),
+          const CustomDivider(),
           Padding(
             padding: const EdgeInsets.all(4.0),
             child: LastUpdate(trainData),
@@ -46,7 +46,7 @@ class TrainInfoDisplayData extends StatelessWidget {
           //       child: NextStop(trainData),
           //     ),
           //   ],
-          CustomDivider(),
+          const CustomDivider(),
           Padding(
             padding: const EdgeInsets.all(4.0),
             child: TrainStatus(trainData),
@@ -72,7 +72,7 @@ class TrainInfoDisplayData extends StatelessWidget {
 
 class TrainName extends StatelessWidget {
   final TrainData trainData;
-  const TrainName(this.trainData);
+  const TrainName(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -85,7 +85,7 @@ class TrainName extends StatelessWidget {
 
 class TrainRoute extends StatelessWidget {
   final TrainData trainData;
-  const TrainRoute(this.trainData);
+  const TrainRoute(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -118,7 +118,7 @@ class TrainRoute extends StatelessWidget {
 
 class TrainOperator extends StatelessWidget {
   final TrainData trainData;
-  const TrainOperator(this.trainData);
+  const TrainOperator(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -132,7 +132,7 @@ class TrainOperator extends StatelessWidget {
 
 class TrainStatus extends StatelessWidget {
   final TrainData trainData;
-  const TrainStatus(this.trainData);
+  const TrainStatus(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -146,7 +146,7 @@ class TrainStatus extends StatelessWidget {
 
 class Destination extends StatelessWidget {
   final TrainData trainData;
-  const Destination(this.trainData);
+  const Destination(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -169,7 +169,7 @@ class Destination extends StatelessWidget {
 
 class LastUpdate extends StatelessWidget {
   final TrainData trainData;
-  const LastUpdate(this.trainData);
+  const LastUpdate(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -247,7 +247,7 @@ class LastUpdate extends StatelessWidget {
 
 class TotalDetails extends StatelessWidget {
   final TrainData trainData;
-  const TotalDetails(this.trainData);
+  const TotalDetails(this.trainData, {super.key,});
 
   @override
   Widget build(BuildContext context) {
@@ -272,6 +272,8 @@ class TotalDetails extends StatelessWidget {
 }
 
 class CustomDivider extends StatelessWidget {
+  const CustomDivider({super.key});
+
   @override
   Widget build(BuildContext context) {
     return Column(

pubspec.yaml

@@ -14,7 +14,7 @@ description: O aplicație de vizualizare a datelor puse la dispoziție de Inform
 version: 2.7.8
 
 environment:
-  sdk: ">=2.15.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 dependencies:
   flutter: