fixed films initialization

lib/application_wrapper.dart

@@ -39,7 +39,6 @@ class _ApplicationWrapperState extends State<ApplicationWrapper> {
   late final bool hasLightSensor;
 
   final filmsStorageService = FilmsStorageService();
-  final filmsProviderKey = GlobalKey<FilmsProviderState>();
 
   late final Future<void> _initFuture;
 
@@ -51,10 +50,7 @@ class _ApplicationWrapperState extends State<ApplicationWrapper> {
 
   @override
   Widget build(BuildContext context) {
-    return FilmsProvider(
+    return FutureBuilder(
-      key: filmsProviderKey,
-      filmsStorageService: filmsStorageService,
-      child: FutureBuilder(
       future: _initFuture,
       builder: (context, snapshot) {
         if (snapshot.error != null) {
@@ -73,6 +69,9 @@ class _ApplicationWrapperState extends State<ApplicationWrapper> {
               remoteConfigService: remoteConfigService,
               child: EquipmentProfileProvider(
                 storageService: iapStorageService,
+                child: FilmsProvider(
+                  filmsStorageService: filmsStorageService,
+                  onInitialized: _onFilmsProviderInitialized,
                   child: UserPreferencesProvider(
                     hasLightSensor: hasLightSensor,
                     userPreferencesService: userPreferencesService,
@@ -80,12 +79,12 @@ class _ApplicationWrapperState extends State<ApplicationWrapper> {
                   ),
                 ),
               ),
+            ),
           );
         }
 
         return const SizedBox();
       },
-      ),
     );
   }
 
@@ -94,13 +93,16 @@ class _ApplicationWrapperState extends State<ApplicationWrapper> {
       SharedPreferences.getInstance(),
       const LightSensorService(LocalPlatform()).hasSensor(),
       remoteConfigService.activeAndFetchFeatures(),
-      filmsStorageService.init().then((_) => filmsProviderKey.currentState?.init()),
+      filmsStorageService.init(),
     ]).then((value) {
       final sharedPrefs = (value[0] as SharedPreferences?)!;
       iapStorageService = IAPStorageService(sharedPrefs);
       userPreferencesService = UserPreferencesService(sharedPrefs);
       hasLightSensor = value[1] as bool? ?? false;
-      FlutterNativeSplash.remove();
     });
   }
+
+  void _onFilmsProviderInitialized() {
+    FlutterNativeSplash.remove();
+  }
 }

lib/providers/films_provider.dart

@@ -5,10 +5,12 @@ import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class FilmsProvider extends StatefulWidget {
   final FilmsStorageService filmsStorageService;
+  final VoidCallback? onInitialized;
   final Widget child;
 
   const FilmsProvider({
     required this.filmsStorageService,
+    this.onInitialized,
     required this.child,
     super.key,
   });
@@ -28,6 +30,12 @@ class FilmsProviderState extends State<FilmsProvider> {
 
   Film get _selectedFilm => customFilms[_selectedId]?.film ?? predefinedFilms[_selectedId]?.film ?? const FilmStub();
 
+  @override
+  void initState() {
+    super.initState();
+    _init();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Films(
@@ -38,12 +46,13 @@ class FilmsProviderState extends State<FilmsProvider> {
     );
   }
 
-  Future<void> init() async {
+  Future<void> _init() async {
     _selectedId = widget.filmsStorageService.selectedFilmId;
     predefinedFilms.addAll(await widget.filmsStorageService.getPredefinedFilms());
     customFilms.addAll(await widget.filmsStorageService.getCustomFilms());
     _discardSelectedIfNotIncluded();
     if (mounted) setState(() {});
+    widget.onInitialized?.call();
   }
 
   /* Both type of films **/