Remove go_router because I could not figure out why initState() was called on my widget, thus clearing state when I did not expect it

lib/food_entry/enter_food_widget.dart

@@ -1,5 +1,3 @@
-import 'dart:developer';
-
 import 'package:calorimeter/perdate/perdate_widget.dart';
 import 'package:calorimeter/storage/storage.dart';
 import 'package:flutter/material.dart';
@@ -34,7 +32,7 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {
 
   @override
   Widget build(BuildContext context) {
-    return Consumer<ScannedFood>(
+    return Consumer<EnterFoodController>(
       builder: (context, food, child) {
         nameController.text = food.name;
         kcalPerMassController.text = food.kcalPer100g;
@@ -72,7 +70,7 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {
                   double kcalPerMassForSelectedFood =
                       suggestions[selectedFood]!;
                   context
-                      .read<ScannedFood>()
+                      .read<EnterFoodController>()
                       .set(selectedFood, kcalPerMassForSelectedFood.toString());
                 }),
             TextField(
@@ -140,6 +138,6 @@ class _EnterFoodWidgetState extends State<EnterFoodWidget> {
         kcalPerMass: kcalPerMassAsNumber);
 
     widget.onAdd(context, entry);
-    context.read<ScannedFood>().set("", "");
+    context.read<EnterFoodController>().set("", "");
   }
 }

lib/food_scan/food_fact_lookup.dart

@@ -1,5 +1,4 @@
 import 'dart:convert';
-import 'dart:developer';
 import 'dart:io';
 
 class FoodFactLookupClient {

lib/main.dart

@@ -1,5 +1,5 @@
+import 'package:calorimeter/perdate/perdate_widget.dart';
 import 'package:calorimeter/storage/storage.dart';
-import 'package:calorimeter/utils/router.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';
 import 'package:calorimeter/utils/theme_bloc.dart';
 import 'package:flutter/material.dart';
@@ -56,7 +56,8 @@ class MainApp extends StatelessWidget {
               newBrightness = Brightness.dark;
             }
 
-            return MaterialApp.router(
+            return MaterialApp(
+              home: PerDateWidget(date: DateTime.now()),
               localizationsDelegates: const [
                 GlobalMaterialLocalizations.delegate,
                 GlobalWidgetsLocalizations.delegate,
@@ -72,7 +73,6 @@ class MainApp extends StatelessWidget {
                   brightness: newBrightness,
                 ),
               ),
-              routerConfig: getRouterConfig(),
             );
           },
         ),

lib/perdate/perdate_widget.dart

@@ -1,7 +1,6 @@
 import 'dart:developer';
 
-import 'package:barcode_scan2/barcode_scan2.dart';
+import 'package:calorimeter/utils/scan_food_floating_button.dart';
-import 'package:calorimeter/food_scan/food_fact_lookup.dart';
 import 'package:calorimeter/utils/app_drawer.dart';
 import 'package:calorimeter/food_entry/food_entry_bloc.dart';
 import 'package:calorimeter/perdate/entry_list.dart';
@@ -27,12 +26,10 @@ class _PerDateWidgetState extends State<PerDateWidget> {
   late FoodStorage storage;
   late Future<List<FoodEntry>> entriesFuture;
   List<FoodEntry> entries = [];
-  String formattedDate = '';
-  FoodFactLookupClient client = FoodFactLookupClient();
 
   @override
   void initState() {
-    formattedDate = DateFormat.yMMMMd('de').format(widget.date);
+    log("PerDateWidgetState's initState()");
     storage = FoodStorage.getInstance();
     entriesFuture = storage.getEntriesForDate(widget.date);
     entriesFuture.then((val) {
@@ -43,6 +40,7 @@ class _PerDateWidgetState extends State<PerDateWidget> {
 
   @override
   Widget build(BuildContext context) {
+    log("PerDateWidgetState's build()");
     return FutureBuilder(
         future: entriesFuture,
         builder: (context, snapshot) {
@@ -50,7 +48,7 @@ class _PerDateWidgetState extends State<PerDateWidget> {
             return const Center(child: CircularProgressIndicator());
           } else {
             return ChangeNotifierProvider(
-              create: (context) => ScannedFood(),
+              create: (context) => EnterFoodController(),
               child: BlocProvider(
                 create: (context) => FoodEntryBloc(
                     initialState: FoodEntryState(foodEntries: entries),
@@ -60,7 +58,8 @@ class _PerDateWidgetState extends State<PerDateWidget> {
                     builder: (context, state) {
                   return Scaffold(
                       appBar: AppBar(
-                        title: Text(formattedDate),
+                        title:
+                            Text(DateFormat.yMMMMd('de').format(widget.date)),
                         actions: const [ThemeSwitcherButton()],
                       ),
                       body: FoodEntryList(entries: state.foodEntries),
@@ -70,22 +69,20 @@ class _PerDateWidgetState extends State<PerDateWidget> {
                           child: SumWidget(foodEntries: state.foodEntries)),
                       drawer: const AppDrawer(),
                       floatingActionButton: OverflowBar(children: [
-                        FloatingActionButton(
+                        const ScanFoodFloatingButton(),
-                          child: const Icon(Icons.barcode_reader),
+                        const SizedBox(width: 8),
-                          onPressed: () async {
+                        CalendarFloatingButton(
-                            var scanResult = await BarcodeScanner.scan();
+                          startFromDate: widget.date,
-                            var food = await client
+                          onDateSelected: (dateSelected) {
-                                .retrieveFoodInfo(scanResult.rawContent);
+                            Navigator.of(context).push(
-
+                              MaterialPageRoute(
-                            if (!context.mounted) return;
+                                builder: (context) {
-
+                                  return PerDateWidget(date: dateSelected);
-                            context
+                                },
-                                .read<ScannedFood>()
+                              ),
-                                .set(food.name, food.kcalPer100g.toString());
+                            );
                           },
                         ),
-                        const SizedBox(width: 8),
-                        CalendarFloatingButton(date: widget.date),
                       ]),
                       floatingActionButtonLocation:
                           FloatingActionButtonLocation.endDocked);
@@ -97,7 +94,7 @@ class _PerDateWidgetState extends State<PerDateWidget> {
   }
 }
 
-class ScannedFood extends ChangeNotifier {
+class EnterFoodController extends ChangeNotifier {
   String name = "";
   String kcalPer100g = "";
 

lib/utils/app_drawer.dart

@@ -1,5 +1,5 @@
+import 'package:calorimeter/utils/settings.dart';
 import 'package:flutter/material.dart';
-import 'package:go_router/go_router.dart';
 
 class AppDrawer extends StatelessWidget {
   const AppDrawer({
@@ -20,7 +20,7 @@ class AppDrawer extends StatelessWidget {
                 leading: IconButton(
                   icon: const Icon(Icons.close),
                   onPressed: () {
-                    context.pop();
+                    Navigator.of(context).pop();
                   },
                 ),
                 title: const Text('Menü')),
@@ -29,8 +29,9 @@ class AppDrawer extends StatelessWidget {
             title: const Text('Einstellungen'),
             trailing: const Icon(Icons.settings),
             onTap: () {
-              context.pop();
+              Navigator.of(context).pop();
-              context.pushNamed('settings');
+              Navigator.of(context).push(MaterialPageRoute(
+                  builder: (context) => const SettingsWidget()));
             },
           ),
         ],

lib/utils/calendar_floating_button.dart

@@ -1,27 +1,31 @@
 import 'package:flutter/material.dart';
-import 'package:go_router/go_router.dart';
 
 class CalendarFloatingButton extends StatelessWidget {
-  final DateTime date;
+  final DateTime startFromDate;
+  final Function(DateTime) onDateSelected;
 
-  const CalendarFloatingButton({super.key, required this.date});
+  const CalendarFloatingButton(
+      {super.key, required this.startFromDate, required this.onDateSelected});
 
   @override
   Widget build(BuildContext context) {
     return FloatingActionButton(
       onPressed: () async {
-          var router = GoRouter.of(context);
         var datePicked = await showDatePicker(
           locale: const Locale('de'),
           context: context,
-            initialDate: date,
+          initialDate: startFromDate,
           currentDate: DateTime.now(),
           firstDate: DateTime.now().subtract(const Duration(days: 365 * 10)),
           lastDate: DateTime.now(),
         );
 
-          router.pushNamed('perDay', extra: datePicked);
+        if (!context.mounted) return;
+
+        onDateSelected(datePicked ?? DateTime.now());
       },
-        child: const Icon(Icons.today));
+      heroTag: "calendarFAB",
+      child: const Icon(Icons.today),
+    );
   }
 }

lib/utils/router.dart

@@ -1,28 +0,0 @@
-import 'package:calorimeter/perdate/perdate_widget.dart';
-import 'package:calorimeter/utils/settings.dart';
-import 'package:go_router/go_router.dart';
-
-GoRouter getRouterConfig() {
-  return GoRouter(initialLocation: '/day', routes: [
-    GoRoute(
-        path: '/day',
-        name: 'perDay',
-        builder: (context, state) {
-          DateTime date;
-          if (state.extra == null || state.extra is! DateTime) {
-            date = DateTime.now();
-          } else {
-            date = state.extra as DateTime;
-          }
-
-          return PerDateWidget(date: date);
-        }),
-    GoRoute(
-      path: '/settings',
-      name: 'settings',
-      builder: (context, state) {
-        return const SettingsWidget();
-      },
-    )
-  ]);
-}

lib/utils/scan_food_floating_button.dart

@@ -0,0 +1,31 @@
+import 'package:barcode_scan2/barcode_scan2.dart';
+import 'package:calorimeter/food_scan/food_fact_lookup.dart';
+import 'package:calorimeter/perdate/perdate_widget.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class ScanFoodFloatingButton extends StatelessWidget {
+  const ScanFoodFloatingButton({
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return FloatingActionButton(
+      heroTag: "scanFoodFAB",
+      child: const Icon(Icons.barcode_reader),
+      onPressed: () async {
+        var client = FoodFactLookupClient();
+
+        var scanResult = await BarcodeScanner.scan();
+        var food = await client.retrieveFoodInfo(scanResult.rawContent);
+
+        if (!context.mounted) return;
+
+        context
+            .read<EnterFoodController>()
+            .set(food.name, food.kcalPer100g.toString());
+      },
+    );
+  }
+}

lib/utils/settings.dart

@@ -1,8 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:go_router/go_router.dart';
 import 'package:calorimeter/utils/app_drawer.dart';
-import 'package:calorimeter/utils/calendar_floating_button.dart';
 import 'package:calorimeter/utils/settings_bloc.dart';
 import 'package:settings_ui/settings_ui.dart';
 
@@ -47,7 +45,7 @@ class _SettingsWidgetState extends State<SettingsWidget> {
                                     }
                                     context.read<SettingsDataBloc>().add(
                                         DailyKcalLimitUpdated(kcal: setting));
-                                      ctx.pop();
+                                    Navigator.of(context).pop();
                                   },
                                   child: const Text('Ok'))
                             ],
@@ -61,6 +59,6 @@ class _SettingsWidgetState extends State<SettingsWidget> {
       }),
       drawer: const AppDrawer(),
       appBar: AppBar(title: const Text('Einstellungen')),
-        floatingActionButton: CalendarFloatingButton(date: DateTime.now()));
+    );
   }
 }

pubspec.lock

@@ -120,19 +120,6 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_web_plugins:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  go_router:
-    dependency: "direct main"
-    description:
-      name: go_router
-      sha256: "2ddb88e9ad56ae15ee144ed10e33886777eb5ca2509a914850a5faa7b52ff459"
-      url: "https://pub.dev"
-    source: hosted
-    version: "14.2.7"
   intl:
     dependency: "direct main"
     description:
@@ -173,14 +160,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.0"
-  logging:
-    dependency: transitive
-    description:
-      name: logging
-      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
-      url: "https://pub.dev"
-    source: hosted
-    version: "1.2.0"
   matcher:
     dependency: transitive
     description:

pubspec.yaml

@@ -12,7 +12,6 @@ dependencies:
   flutter_bloc: ^8.1.6
   flutter_localizations:
     sdk: flutter
-  go_router: ^14.2.7
   intl: any
   path_provider: ^2.1.4
   settings_ui: ^2.0.2