Upgrade Flutter to 3.22.3

frontend/.fvmrc

@@ -1,3 +1,3 @@
 {
-  "flutter": "3.19.3"
+  "flutter": "3.22.3"
 }

frontend/lib/about/content_tile.dart

@@ -33,7 +33,7 @@ class ContentPage extends StatelessWidget {
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
     return DecoratedBox(
-      decoration: BoxDecoration(color: theme.colorScheme.background),
+      decoration: BoxDecoration(color: theme.colorScheme.surface),
       child: CustomScrollView(
         slivers: <Widget>[
           CustomSliverAppBar(title: title),

frontend/lib/about/language_change.dart

@@ -15,7 +15,8 @@ class LanguageChange extends StatelessWidget {
     return Column(children: [
       ...buildConfig.appLocales.map((item) => DecoratedBox(
           decoration: BoxDecoration(
-              color: LocaleSettings.currentLocale.languageCode == item ? theme.colorScheme.surfaceVariant : null),
+              color:
+                  LocaleSettings.currentLocale.languageCode == item ? theme.colorScheme.surfaceContainerHighest : null),
           child: ListTile(
               title: Text(
                 nativeLanguageNames[item]!,

frontend/lib/home/home_page.dart

@@ -108,7 +108,7 @@ class HomePageState extends State<HomePage> {
     final theme = Theme.of(context);
     return BottomNavigationBar(
       currentIndex: _currentTabIndex,
-      backgroundColor: theme.colorScheme.surfaceVariant,
+      backgroundColor: theme.colorScheme.surfaceContainerHighest,
       items: appFlows
           .map((appFlow) => BottomNavigationBarItem(icon: Icon(appFlow.iconData), label: appFlow.getTitle(context)))
           .toList(),

frontend/lib/identification/connection_failed_dialog.dart

@@ -14,7 +14,7 @@ class ConnectionFailedDialog extends StatelessWidget {
     return InfoDialog(
       title: t.common.connectionFailed,
       icon: Icons.signal_cellular_connected_no_internet_4_bar,
-      iconColor: Theme.of(context).colorScheme.onBackground,
+      iconColor: Theme.of(context).colorScheme.onSurface,
       child: Text(reason, style: Theme.of(context).textTheme.bodyMedium),
     );
   }

frontend/lib/identification/no_card_view.dart

@@ -71,7 +71,7 @@ class _TapableCardWithArea extends StatelessWidget {
     return Card(
       margin: const EdgeInsets.symmetric(horizontal: 24),
       clipBehavior: Clip.hardEdge,
-      color: theme.colorScheme.surfaceVariant,
+      color: theme.colorScheme.surfaceContainerHighest,
       elevation: 0,
       child: InkWell(
         onTap: onTap,
@@ -84,7 +84,7 @@ class _TapableCardWithArea extends StatelessWidget {
                 children: [
                   CircleAvatar(
                     radius: 24,
-                    backgroundColor: theme.colorScheme.background,
+                    backgroundColor: theme.colorScheme.surface,
                     child: Icon(icon, size: 24, color: theme.colorScheme.primary),
                   ),
                   const SizedBox(width: 12),

frontend/lib/identification/verification_workflow/dialogs/positive_verification_result_dialog.dart

@@ -44,7 +44,7 @@ class PositiveVerificationResultDialogState extends State<PositiveVerificationRe
     return InfoDialog(
       title: isUncheckedStaticQrCode ? t.identification.checkRequired : t.identification.verificationSuccessful,
       icon: isUncheckedStaticQrCode ? Icons.report : Icons.verified_user,
-      iconColor: isUncheckedStaticQrCode ? theme.colorScheme.onBackground : Colors.green,
+      iconColor: isUncheckedStaticQrCode ? theme.colorScheme.onSurface : Colors.green,
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: <Widget>[

frontend/lib/identification/verification_workflow/dialogs/verification_info_dialog.dart

@@ -81,7 +81,7 @@ class _EnumeratedListItem extends StatelessWidget {
             child: Text(
               '${index + 1}',
               style: TextStyle(
-                color: theme.colorScheme.background,
+                color: theme.colorScheme.surface,
                 fontWeight: FontWeight.bold,
               ),
             ),

frontend/lib/intro_slides/intro_screen.dart

@@ -39,8 +39,7 @@ class IntroScreen extends StatelessWidget {
           title: t.intro.welcomeTitle,
           description: t.intro.welcomeDescription,
           pathImage: buildConfig.introSlidesImages[0],
-          backgroundColor:
-              theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.background,
+          backgroundColor: theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.surface,
           maxLineTitle: 3,
           styleTitle: theme.textTheme.headlineSmall,
           styleDescription: theme.textTheme.bodyLarge?.apply(fontSizeFactor: 1.2),
@@ -49,8 +48,7 @@ class IntroScreen extends StatelessWidget {
           title: t.intro.applyTitle,
           description: t.intro.applyDescription,
           pathImage: buildConfig.introSlidesImages[1],
-          backgroundColor:
-              theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.background,
+          backgroundColor: theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.surface,
           maxLineTitle: 3,
           styleTitle: theme.textTheme.headlineSmall,
           styleDescription: theme.textTheme.bodyLarge?.apply(fontSizeFactor: 1.2),
@@ -59,16 +57,14 @@ class IntroScreen extends StatelessWidget {
           title: t.intro.usageTitle,
           description: t.intro.usageDescription,
           pathImage: buildConfig.introSlidesImages[2],
-          backgroundColor:
-              theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.background,
+          backgroundColor: theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.surface,
           maxLineTitle: 3,
           styleTitle: theme.textTheme.headlineSmall,
           styleDescription: theme.textTheme.bodyLarge?.apply(fontSizeFactor: 1.2),
         ),
         ContentConfig(
           title: t.intro.locationTitle,
-          backgroundColor:
-              theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.background,
+          backgroundColor: theme.brightness == Brightness.light ? const Color(0xffECECEC) : theme.colorScheme.surface,
           maxLineTitle: 3,
           styleTitle: theme.textTheme.headlineSmall,
           pathImage: buildConfig.introSlidesImages[3],

frontend/lib/map/location_button.dart

@@ -71,7 +71,7 @@ class _LocationButtonState extends State<LocationButton> {
       child: FloatingActionButton(
         heroTag: 'fab_map_view',
         elevation: 1,
-        backgroundColor: theme.colorScheme.surfaceVariant,
+        backgroundColor: theme.colorScheme.surfaceContainerHighest,
         onPressed: _locationStatus != null ? () => _determinePosition() : null,
         child: AnimatedSwitcher(
           duration: const Duration(milliseconds: 200),

frontend/lib/map/preview/accepting_store_preview_card.dart

@@ -39,7 +39,7 @@ class AcceptingStorePreviewCard extends StatelessWidget {
       child: Card(
         clipBehavior: Clip.hardEdge,
         margin: EdgeInsets.zero,
-        color: Theme.of(context).colorScheme.surfaceVariant,
+        color: Theme.of(context).colorScheme.surfaceContainerHighest,
         surfaceTintColor: Colors.transparent,
         child: AnimatedSwitcher(
           duration: const Duration(milliseconds: 200),

frontend/lib/routing.dart

@@ -5,7 +5,7 @@ class AppRoute extends MaterialPageRoute {
       : super(
           builder: (BuildContext context) {
             final theme = Theme.of(context);
-            return Material(color: theme.colorScheme.background, child: builder(context));
+            return Material(color: theme.colorScheme.surface, child: builder(context));
           },
         );
 }

frontend/lib/search/filter_bar_button.dart

@@ -85,7 +85,7 @@ class _FilterBarButtonState extends State<FilterBarButton> with SingleTickerProv
     return AnimatedBuilder(
       animation: colorTween,
       builder: (context, child) {
-        final color = Color.lerp(theme.colorScheme.background, selectedColor, colorTween.value);
+        final color = Color.lerp(theme.colorScheme.surface, selectedColor, colorTween.value);
         return ConstrainedBox(
           constraints: BoxConstraints.tightFor(width: width, height: 74),
           child: Card(

frontend/lib/themes.dart

@@ -23,8 +23,8 @@ ThemeData get lightTheme {
     colorScheme: ColorScheme.light(
       primary: primaryColor,
       secondary: primaryColor,
-      background: backgroundColor,
-      surfaceVariant: const Color(0xffefefef),
+      surface: backgroundColor,
+      surfaceContainerHighest: const Color(0xffefefef),
       surfaceTint: Colors.white54,
       error: const Color(0xffcc0000),
       tertiary: const Color(0xFF505050),
@@ -63,11 +63,11 @@ ThemeData get lightTheme {
         foregroundColor: backgroundColor,
         titleTextStyle: titleMedium),
     outlinedButtonTheme: OutlinedButtonThemeData(
-      style: ButtonStyle(side: MaterialStatePropertyAll(BorderSide(color: primaryColor, width: 1))),
+      style: ButtonStyle(side: WidgetStatePropertyAll(BorderSide(color: primaryColor, width: 1))),
     ),
     checkboxTheme: CheckboxThemeData(
-      checkColor: MaterialStatePropertyAll(textColor),
-      fillColor: MaterialStatePropertyAll(primaryColor),
+      checkColor: WidgetStatePropertyAll(textColor),
+      fillColor: WidgetStatePropertyAll(primaryColor),
     ),
   );
 }
@@ -82,8 +82,8 @@ ThemeData get darkTheme {
     colorScheme: ColorScheme.dark(
       primary: primaryColor,
       secondary: primaryColor,
-      background: backgroundColor,
-      surfaceVariant: const Color(0xff262626),
+      surface: backgroundColor,
+      surfaceContainerHighest: const Color(0xff262626),
       surfaceTint: Colors.white,
       error: const Color(0xff8b0000),
       tertiary: const Color(0xFFC6C4C4),
@@ -118,11 +118,11 @@ ThemeData get darkTheme {
         foregroundColor: Colors.white,
         titleTextStyle: titleMedium),
     outlinedButtonTheme: OutlinedButtonThemeData(
-      style: ButtonStyle(side: MaterialStatePropertyAll(BorderSide(color: primaryColor, width: 1))),
+      style: ButtonStyle(side: WidgetStatePropertyAll(BorderSide(color: primaryColor, width: 1))),
     ),
     checkboxTheme: CheckboxThemeData(
-      checkColor: const MaterialStatePropertyAll(Colors.white),
-      fillColor: MaterialStatePropertyAll(primaryColor),
+      checkColor: const WidgetStatePropertyAll(Colors.white),
+      fillColor: WidgetStatePropertyAll(primaryColor),
     ),
   );
 }

frontend/lib/widgets/extended_floating_action_button.dart

@@ -14,7 +14,7 @@ class ExtendedFloatingActionButton extends StatelessWidget {
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
     return FloatingActionButton.extended(
-      backgroundColor: theme.colorScheme.surfaceVariant,
+      backgroundColor: theme.colorScheme.surfaceContainerHighest,
       elevation: 1,
       onPressed: onPressed,
       icon: AnimatedSwitcher(

frontend/pubspec.lock

@@ -624,10 +624,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
+      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
       url: "https://pub.dev"
     source: hosted
-    version: "0.18.1"
+    version: "0.19.0"
   intro_slider:
     dependency: "direct main"
     description:
@@ -680,26 +680,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.0"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "3.0.1"
   lint:
     dependency: "direct dev"
     description:
@@ -771,10 +771,10 @@ packages:
     dependency: "direct main"
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   mime:
     dependency: transitive
     description:
@@ -1329,26 +1329,26 @@ packages:
     dependency: "direct dev"
     description:
       name: test
-      sha256: a1f7595805820fcc05e5c52e3a231aedd0b72972cb333e8c738a8b1239448b6f
+      sha256: "7ee446762c2c50b3bd4ea96fe13ffac69919352bd3b4b17bac3f3465edc58073"
       url: "https://pub.dev"
     source: hosted
-    version: "1.24.9"
+    version: "1.25.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.7.0"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      sha256: a757b14fc47507060a162cc2530d9a4a2f92f5100a952c7443b5cad5ef5b106a
+      sha256: "2bc4b4ecddd75309300d8096f781c0e3280ca1ef85beda558d33fcbedc2eead4"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.9"
+    version: "0.6.0"
   timezone:
     dependency: transitive
     description:
@@ -1497,10 +1497,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
+      sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec"
       url: "https://pub.dev"
     source: hosted
-    version: "13.0.0"
+    version: "14.2.1"
   watcher:
     dependency: transitive
     description:
@@ -1574,5 +1574,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: "3.3.1"
-  flutter: ">=3.19.3"
+  dart: "3.4.4"
+  flutter: ">=3.22.3"

frontend/pubspec.yaml

@@ -6,16 +6,16 @@ description: App for the Bavarian Ehrenamtskarte owners.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
 environment:
-  sdk: 3.3.1
-  flutter: 3.19.3
+  sdk: 3.4.4
+  flutter: 3.22.3
 
 dependencies:
   flutter:
     sdk: flutter
   device_info_plus: ^10.0.1
   flutter_localizations:
     sdk: flutter
-  intl: ^0.18.0
+  intl: ^0.19.0
   mutex: ^3.1.0
   maplibre_gl:
     git: