ML-107 Films filter (#118)

* added stub `FilmsProvider`

* moved dialogs to the shared folder

* typo

* separated `EquipmentSettingsSection`

* copy

* `IAPBuilder` -> `IAPListTile`

* moved `Film` to resources repo

* fixed films selection

* untied iso and selected film

* removed film from exposure pairs building

* indicate push/pull

* copy

* Update .gitignore

* fixed extreme exposure pairs reciprocity display

* sync with iap changes

* sync iap stub with iap changes

* added reciprocity description

* added workspace file

* Update .gitignore

.github/workflows/pr_check.yml

@@ -15,7 +15,7 @@ jobs:
   analyze_and_test:
     name: Analyze & test
     runs-on: macos-11
-    timeout-minutes: 10
+    timeout-minutes: 5
     steps:
       - uses: actions/checkout@v3
         with:
@@ -47,3 +47,10 @@ jobs:
 
       - name: Run tests
         run: flutter test
+
+      - name: Analyze project source with stub
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
+        run: |
+          bash ./.github/scripts/stub_iap.sh
+          flutter pub get
+          flutter analyze lib --fatal-infos

README.md

@@ -33,11 +33,7 @@ Without further delay behold my new Lightmeter app inspired by Material You (a.k
 
 To build this app you need to install Flutter 3.10.0 stable. [How to install](https://docs.flutter.dev/get-started/install).
 
-### 2. (Optional) Install Firebase
+### 3. Project setup
-
-Out of the box Firebase Crashlytics won't work. If you want to add Crashlytics to your local build please follow [this guide](https://firebase.google.com/docs/flutter/setup).
-
-### 3. Get packages
 
 As part of the app's functionallity is in the private repo, you have to replace these lines in _pubspec.yaml_:
 
@@ -47,24 +43,39 @@ m3_lightmeter_iap:
     url: "https://github.com/vodemn/m3_lightmeter_iap"
     ref: main
 ```
+
 with these:
+
 ```yaml
 m3_lightmeter_iap:
   path: iap
 ```
-and run `flutter pub get` from the _iap/_ folder.
+
+You can do it simply by running the script:
+
+```console
+sh .github/scripts/stub_iap.sh
+```
+
+> If you are using VSCode, you can open the workspace like so: _File -> Open Workspace from File -> m3_lightmeter.code-workspace_. Otherwise you have to run `flutter pub get` command from the iap folder.
 
 Then you can fetch all the neccessary dependencies and generate translation files by running the following commands:
+
 ```console
 flutter pub get
 flutter pub run intl_utils:generate
 ```
 
-### 4. Build
+### 4. (Optional) Install Firebase
+
+Out of the box Firebase Crashlytics won't work. If you want to add Crashlytics to your local build please follow [this guide](https://firebase.google.com/docs/flutter/setup).
+
+### 5. Build
 
 #### Android
 
 You can build an apk by running the following command from the root of the repository:
+
 ```console
 flutter build apk --release --flavor dev --dart-define cameraPreviewAspectRatio=240/320 -t lib/main_dev.dart
 ```

iap/lib/m3_lightmeter_iap.dart

@@ -2,11 +2,13 @@ library m3_lightmeter_iap;
 
 import 'package:flutter/material.dart';
 import 'package:m3_lightmeter_iap/src/providers/equipment_profile_provider.dart';
+import 'package:m3_lightmeter_iap/src/providers/films_provider.dart';
 import 'package:m3_lightmeter_iap/src/providers/iap_products_provider.dart';
 
 export 'src/data/models/iap_product.dart';
 
-export 'src/providers/equipment_profile_provider.dart' hide EquipmentProfilesAspect;
+export 'src/providers/equipment_profile_provider.dart';
+export 'src/providers/films_provider.dart';
 export 'src/providers/iap_products_provider.dart';
 
 class IAPProviders extends StatelessWidget {
@@ -22,9 +24,11 @@ class IAPProviders extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return IAPProductsProvider(
+      child: FilmsProvider(
         child: EquipmentProfileProvider(
           child: child,
         ),
+      ),
     );
   }
 }

iap/lib/src/providers/equipment_profile_provider.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:m3_lightmeter_iap/src/providers/selectable_provider.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class EquipmentProfileProvider extends StatefulWidget {
@@ -27,7 +28,7 @@ class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
   @override
   Widget build(BuildContext context) {
     return EquipmentProfiles(
-      profiles: const [_defaultProfile],
+      values: const [_defaultProfile],
       selected: _defaultProfile,
       child: widget.child,
     );
@@ -42,38 +43,19 @@ class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
   void deleteProfile(EquipmentProfile data) {}
 }
 
-enum EquipmentProfilesAspect { list, selected }
+class EquipmentProfiles extends SelectableInheritedModel<EquipmentProfile> {
-
-class EquipmentProfiles extends InheritedModel<EquipmentProfilesAspect> {
   const EquipmentProfiles({
     super.key,
-    required this.profiles,
+    required super.values,
-    required this.selected,
+    required super.selected,
     required super.child,
   });
 
-  final List<EquipmentProfile> profiles;
-  final EquipmentProfile selected;
-
   static List<EquipmentProfile> of(BuildContext context) {
-    return InheritedModel.inheritFrom<EquipmentProfiles>(
+    return InheritedModel.inheritFrom<EquipmentProfiles>(context, aspect: SelectableAspect.list)!.values;
-      context,
-      aspect: EquipmentProfilesAspect.list,
-    )!
-        .profiles;
   }
 
   static EquipmentProfile selectedOf(BuildContext context) {
-    return InheritedModel.inheritFrom<EquipmentProfiles>(
+    return InheritedModel.inheritFrom<EquipmentProfiles>(context, aspect: SelectableAspect.selected)!.selected;
-      context,
-      aspect: EquipmentProfilesAspect.selected,
-    )!
-        .selected;
   }
-
-  @override
-  bool updateShouldNotify(EquipmentProfiles oldWidget) => false;
-
-  @override
-  bool updateShouldNotifyDependent(EquipmentProfiles oldWidget, Set<EquipmentProfilesAspect> dependencies) => false;
 }

iap/lib/src/providers/films_provider.dart

@@ -0,0 +1,65 @@
+import 'package:flutter/material.dart';
+import 'package:m3_lightmeter_iap/src/providers/selectable_provider.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class FilmsProvider extends StatefulWidget {
+  final Widget child;
+
+  const FilmsProvider({
+    required this.child,
+    super.key,
+  });
+
+  static FilmsProviderState of(BuildContext context) {
+    return context.findAncestorStateOfType<FilmsProviderState>()!;
+  }
+
+  @override
+  State<FilmsProvider> createState() => FilmsProviderState();
+}
+
+class FilmsProviderState extends State<FilmsProvider> {
+  @override
+  Widget build(BuildContext context) {
+    return Films(
+      values: const [Film.other()],
+      filmsInUse: const [Film.other()],
+      selected: const Film.other(),
+      child: widget.child,
+    );
+  }
+
+  void setFilm(Film film) {}
+
+  void saveFilms(List<Film> films) {}
+}
+
+class Films extends SelectableInheritedModel<Film> {
+  final List<Film> filmsInUse;
+
+  const Films({
+    super.key,
+    required super.values,
+    required this.filmsInUse,
+    required super.selected,
+    required super.child,
+  });
+
+  /// [Film.other()] + all the custom fields with actual reciprocity formulas
+  static List<Film> of(BuildContext context) {
+    return InheritedModel.inheritFrom<Films>(context)!.values;
+  }
+
+  /// [Film.other()] + films in use selected by user
+  static List<Film> inUseOf<T>(BuildContext context) {
+    return InheritedModel.inheritFrom<Films>(
+      context,
+      aspect: SelectableAspect.list,
+    )!
+        .filmsInUse;
+  }
+
+  static Film selectedOf(BuildContext context) {
+    return InheritedModel.inheritFrom<Films>(context, aspect: SelectableAspect.selected)!.selected;
+  }
+}

iap/lib/src/providers/selectable_provider.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+enum SelectableAspect { list, selected }
+
+class SelectableInheritedModel<T> extends InheritedModel<SelectableAspect> {
+  const SelectableInheritedModel({
+    super.key,
+    required this.values,
+    required this.selected,
+    required super.child,
+  });
+
+  final List<T> values;
+  final T selected;
+
+  @override
+  bool updateShouldNotify(SelectableInheritedModel oldWidget) => true;
+
+  @override
+  bool updateShouldNotifyDependent(SelectableInheritedModel oldWidget, Set<SelectableAspect> dependencies) {
+    if (dependencies.contains(SelectableAspect.list)) {
+      return true;
+    } else if (dependencies.contains(SelectableAspect.selected)) {
+      return selected != oldWidget.selected;
+    } else {
+      return false;
+    }
+  }
+}

lib/data/models/film.dart

@@ -1,235 +0,0 @@
-import 'dart:math';
-
-import 'package:flutter/foundation.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
-
-double log10(double x) => log(x) / log(10);
-
-double log10polynomian(
-  double x,
-  double a,
-  double b,
-  double c,
-) =>
-    a * pow(log10(x), 2) + b * log10(x) + c;
-
-typedef ReciprocityFailureBuilder = ShutterSpeedValue Function(ShutterSpeedValue shutterSpeed);
-
-/// Only Ilford films have reciprocity formulas provided by the manufacturer:
-/// https://www.ilfordphoto.com/wp/wp-content/uploads/2017/06/Reciprocity-Failure-Compensation.pdf
-///
-/// Reciprocity formulas for Fomapan films and Kodak films are from here:
-/// https://www.flickr.com/groups/86738082@N00/discuss/72157626050157470/
-///
-/// Cinema films like Kodak 5222/7222 Double-X and respective CineStill films (cause they are basically a modification of Kodak)
-/// do not have any reciprocity failure information, as these films are ment to be used in cinema
-/// with appropriate light and pretty short shutter speeds.
-///
-/// Because of this: https://github.com/dart-lang/sdk/issues/38934#issuecomment-803938315
-/// `super` calls are ignored in test coverage
-class Film {
-  final String name;
-  final int iso;
-
-  const Film(this.name, this.iso);
-
-  const Film.other()
-      : name = '',
-        iso = 0;
-
-  @override
-  String toString() => name;
-
-  ShutterSpeedValue reciprocityFailure(ShutterSpeedValue shutterSpeed) {
-    if (shutterSpeed.isFraction) {
-      return shutterSpeed;
-    } else {
-      return ShutterSpeedValue(
-        reciprocityFormula(shutterSpeed.rawValue),
-        shutterSpeed.isFraction,
-        shutterSpeed.stopType,
-      );
-    }
-  }
-
-  @protected
-  double reciprocityFormula(double t) => t;
-
-  static const List<Film> values = [
-    Film.other(),
-    FomapanFilm.creative100(),
-    FomapanFilm.creative200(),
-    FomapanFilm.action400(),
-    IlfordFilm.ortho(),
-    IlfordFilm.delta100(),
-    IlfordFilm.delta400(),
-    IlfordFilm.delta3200(),
-    IlfordFilm.fp4(),
-    IlfordFilm.hp5(),
-    IlfordFilm.panf(),
-    IlfordFilm.sfx200(),
-    IlfordFilm.xp2super(),
-    IlfordFilm.pan100(),
-    IlfordFilm.pan400(),
-    KodakFilm.tmax100(),
-    KodakFilm.tmax400(),
-    KodakFilm.tmax3200(),
-    KodakFilm.trix320(),
-    KodakFilm.trix400(),
-  ];
-}
-
-/// https://www.tate.org.uk/documents/598/page_6_7_agfa_stocks_0.pdf
-/// https://www.filmwasters.com/forum/index.php?topic=5298.0
-// {{1,1.87},{2,3.73},{3,8.06},{4,13.93},{5,21.28},{6,23.00},{7,30.12},{8,38.05},{9,44.75},{10,50.12},{20,117},{30,202},{40,293},{50,413},{60,547},{70,694},{80,853},{90,1022},{100,1202}};
-// class AgfaFilm extends Film {
-//   final double a;
-//   final double b;
-//   final double c;
-
-//   const AgfaFilm.apx100()
-//       : a = 1,
-//         b = 5,
-//         c = 2,
-//         super('Agfa APX 100', 100); // coverage:ignore-line
-
-//   const AgfaFilm.apx400()
-//       : a = 1.5,
-//         b = 4.5,
-//         c = 3,
-//         super('Agfa APX 400', 400); // coverage:ignore-line
-
-//   @override
-//   double reciprocityFormula(double t) => t * log10polynomian(t, a, b, c);
-// }
-
-class FomapanFilm extends Film {
-  final double a;
-  final double b;
-  final double c;
-
-  /// https://www.foma.cz/en/fomapan-100
-  const FomapanFilm.creative100()
-      : a = 1,
-        b = 5,
-        c = 2,
-        super('Fomapan CREATIVE 100', 100); // coverage:ignore-line
-
-  /// https://www.foma.cz/en/fomapan-200
-  const FomapanFilm.creative200()
-      : a = 1.5,
-        b = 4.5,
-        c = 3,
-        super('Fomapan CREATIVE 200', 200); // coverage:ignore-line
-
-  /// https://www.foma.cz/en/fomapan-100
-  const FomapanFilm.action400()
-      : a = -1.25, // coverage:ignore-line
-        b = 5.75,
-        c = 1.5,
-        super('Fomapan ACTION 400', 400); // coverage:ignore-line
-
-  @override
-  double reciprocityFormula(double t) => t * log10polynomian(t, a, b, c);
-}
-
-class IlfordFilm extends Film {
-  final double reciprocityPower;
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1948/product/1650/
-  const IlfordFilm.ortho()
-      : reciprocityPower = 1.25,
-        super('Ilford ORTHO+', 80); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1919/product/686/
-  const IlfordFilm.fp4()
-      : reciprocityPower = 1.26,
-        super('Ilford FP4+', 125); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1903/product/691/
-  const IlfordFilm.hp5()
-      : reciprocityPower = 1.31,
-        super('Ilford HP5+', 400); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/3/product/679/
-  const IlfordFilm.delta100()
-      : reciprocityPower = 1.26,
-        super('Ilford DELTA 100', 100); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1915/product/684/
-  const IlfordFilm.delta400()
-      : reciprocityPower = 1.41,
-        super('Ilford DELTA 400', 400); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1913/product/682/
-  const IlfordFilm.delta3200()
-      : reciprocityPower = 1.33,
-        super('Ilford DELTA 3200', 3200); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1905/product/699/
-  const IlfordFilm.panf()
-      : reciprocityPower = 1.33,
-        super('Ilford Pan F+', 50); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1907/product/701/
-  const IlfordFilm.sfx200()
-      : reciprocityPower = 1.31,
-        super('Ilford SFX 200', 200); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1909/product/703/
-  const IlfordFilm.xp2super()
-      : reciprocityPower = 1.31,
-        super('Ilford XP2 SUPER', 400); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1958/product/696/
-  const IlfordFilm.pan100()
-      : reciprocityPower = 1.26,
-        super('Kentemere 100', 100); // coverage:ignore-line
-
-  /// https://www.ilfordphoto.com/amfile/file/download/file/1959/product/697/
-  const IlfordFilm.pan400()
-      : reciprocityPower = 1.30,
-        super('Kentemere 400', 400); // coverage:ignore-line
-
-  @override
-  double reciprocityFormula(double t) => pow(t, reciprocityPower).toDouble();
-}
-
-class KodakFilm extends Film {
-  final double a;
-  final double b;
-  final double c;
-
-  const KodakFilm.tmax100()
-      : a = 1 / 6, // coverage:ignore-line
-        b = 0, // coverage:ignore-line
-        c = 4 / 3, // coverage:ignore-line
-        super('Kodak T-MAX 100', 100); // coverage:ignore-line
-
-  const KodakFilm.tmax400()
-      : a = 2 / 3, // coverage:ignore-line
-        b = -1 / 2, // coverage:ignore-line
-        c = 4 / 3, // coverage:ignore-line
-        super('Kodak T-MAX 400', 400); // coverage:ignore-line
-
-  const KodakFilm.tmax3200()
-      : a = 7 / 6, // coverage:ignore-line
-        b = -1, // coverage:ignore-line
-        c = 4 / 3, // coverage:ignore-line
-        super('Kodak T-MAX 3200', 3200); // coverage:ignore-line
-
-  const KodakFilm.trix320()
-      : a = 2,
-        b = 1,
-        c = 2,
-        super('Kodak TRI-X 320', 320); // coverage:ignore-line
-
-  const KodakFilm.trix400()
-      : a = 2,
-        b = 1,
-        c = 2,
-        super('Kodak TRI-X 400', 400); // coverage:ignore-line
-
-  @override
-  double reciprocityFormula(double t) => t * log10polynomian(t, a, b, c);
-}

lib/data/shared_prefs_service.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 
 import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/ev_source_type.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
 import 'package:lightmeter/data/models/supported_locale.dart';
 import 'package:lightmeter/data/models/theme_type.dart';
@@ -19,7 +18,6 @@ class UserPreferencesService {
   static const cameraEvCalibrationKey = "cameraEvCalibration";
   static const lightSensorEvCalibrationKey = "lightSensorEvCalibration";
   static const meteringScreenLayoutKey = "meteringScreenLayout";
-  static const filmKey = "film";
 
   static const caffeineKey = "caffeine";
   static const hapticsKey = "haptics";
@@ -142,10 +140,4 @@ class UserPreferencesService {
 
   bool get dynamicColor => _sharedPreferences.getBool(dynamicColorKey) ?? false;
   set dynamicColor(bool value) => _sharedPreferences.setBool(dynamicColorKey, value);
-
-  Film get film => Film.values.firstWhere(
-        (e) => e.name == _sharedPreferences.getString(filmKey),
-        orElse: () => Film.values.first,
-      );
-  set film(Film value) => _sharedPreferences.setString(filmKey, value.name);
 }

lib/interactors/metering_interactor.dart

@@ -2,7 +2,6 @@ import 'package:app_settings/app_settings.dart';
 import 'package:lightmeter/data/caffeine_service.dart';
 import 'package:lightmeter/data/haptics_service.dart';
 import 'package:lightmeter/data/light_sensor_service.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/volume_action.dart';
 import 'package:lightmeter/data/permissions_service.dart';
 import 'package:lightmeter/data/shared_prefs_service.dart';
@@ -45,9 +44,6 @@ class MeteringInteractor {
   NdValue get ndFilter => _userPreferencesService.ndFilter;
   set ndFilter(NdValue value) => _userPreferencesService.ndFilter = value;
 
-  Film get film => _userPreferencesService.film;
-  set film(Film value) => _userPreferencesService.film = value;
-
   VolumeAction get volumeAction => _userPreferencesService.volumeAction;
 
   /// Executes vibration if haptics are enabled in settings

lib/l10n/intl_en.arb

@@ -41,6 +41,9 @@
     "meteringScreenFeatureFilmPicker": "Film picker",
     "meteringScreenFeatureHistogram": "Histogram",
     "film": "Film",
+    "filmPush": "Film (push)",
+    "filmPull": "Film (pull)",
+    "filmReciprocityHint": "Applies correction for shutter speeds grater than 1 second",
     "equipment": "Equipment",
     "equipmentProfileName": "Equipment profile name",
     "equipmentProfileNameHint": "Praktica MTL5B",
@@ -56,6 +59,8 @@
     "equipmentProfile": "Equipment profile",
     "equipmentProfiles": "Equipment profiles",
     "tapToAdd": "Tap to add",
+    "filmsInUse": "Films in use",
+    "filmsInUseDescription": "Select films which you use.",
     "general": "General",
     "keepScreenOn": "Keep screen on",
     "haptics": "Haptics",

lib/l10n/intl_fr.arb

@@ -41,9 +41,11 @@
     "meteringScreenFeatureFilmPicker": "Sélecteur de film",
     "meteringScreenFeatureHistogram": "Histogramme",
     "film": "Pellicule",
+    "filmPush": "Pellicule (push)",
+    "filmPull": "Pellicule (pull)",
+    "filmReciprocityHint": "La correction s'applique aux vitesses d'obturation supérieures à 1 seconde",
     "equipment": "Équipement",
     "equipmentProfileName": "Nom du profil de l'équipement",
-    "tapToAdd": "Appuie pour ajouter",
     "equipmentProfileNameHint": "Praktica MTL5B",
     "equipmentProfileAllValues": "Tout",
     "apertureValues": "Valeurs Aperture",
@@ -56,6 +58,9 @@
     "isoValuesFilterDescription": "Sélectionnez les valeurs ISO à afficher. Ce sont peut-être vos valeurs les plus couramment utilisées ou celles prises en charge par votre caméra.",
     "equipmentProfile": "Profil de l'équipement",
     "equipmentProfiles": "Profils de l'équipement",
+    "tapToAdd": "Appuie pour ajouter",
+    "filmsInUse": "Films en usage",
+    "filmsInUseDescription": "Sélectionnez les films que vous utilisez.",
     "general": "Général",
     "keepScreenOn": "Garder l'écran allumé",
     "haptics": "Haptiques",

lib/l10n/intl_ru.arb

@@ -41,6 +41,9 @@
     "meteringScreenFeatureFilmPicker": "Выбор пленки",
     "meteringScreenFeatureHistogram": "Гистограмма",
     "film": "Пленка",
+    "filmPush": "Пленка (push)",
+    "filmPull": "Пленка (pull)",
+    "filmReciprocityHint": "Применяет коррекцию для выдержек длиннее 1 секунды",
     "equipment": "Оборудование",
     "equipmentProfileName": "Название профиля",
     "equipmentProfileNameHint": "Praktica MTL5B",
@@ -56,6 +59,8 @@
     "equipmentProfile": "Оборудование",
     "equipmentProfiles": "Профили оборудования",
     "tapToAdd": "Нажмите, чтобы добавить",
+    "filmsInUse": "Используемые пленки",
+    "filmsInUseDescription": "Выберите пленки, которыми вы пользуетесь.",
     "general": "Общие",
     "keepScreenOn": "Запрет блокировки",
     "haptics": "Вибрация",

lib/l10n/intl_zh.arb

@@ -31,7 +31,7 @@
     "thirdStops": "1/3",
     "calibration": "校准",
     "calibrationMessage": "此应用测量读数的准确性完全取决于设备的硬件。因此，请考虑测试此应用并手动设置 EV 校准，以获得准确的测量结果。",
-    "calibrationMessageCameraOnly": "此应用程序测量读数的准确性完全取决于设备的后置摄像头。因此，请考虑测试此应用并手动设置 EV 校准，以获得准确的测量结果。",
+    "calibrationMessageCameraOnly": "此应用程序测量读数的准确s性完全取决于设备的后置摄像头。因此，请考虑测试此应用并手动设置 EV 校准，以获得准确的测量结果。",
     "camera": "摄像头",
     "lightSensor": "光传感器",
     "meteringScreenLayout": "布局",
@@ -41,6 +41,9 @@
     "meteringScreenFeatureFilmPicker": "胶片选择",
     "meteringScreenFeatureHistogram": "直方图",
     "film": "胶片",
+    "filmPush": "胶片 (push)",
+    "filmPull": "胶片 (pull)",
+    "filmReciprocityHint": "Applies correction for shutter speeds grater than 1 second",
     "equipment": "设备",
     "equipmentProfileName": "设备配置名称",
     "equipmentProfileNameHint": "Praktica MTL5B",
@@ -56,6 +59,8 @@
     "equipmentProfile": "设备配置",
     "equipmentProfiles": "设备配置",
     "tapToAdd": "點擊添加",
+    "filmsInUse": "Films in use",
+    "filmsInUseDescription": "Select films which you use.",
     "general": "通用",
     "keepScreenOn": "保持屏幕常亮",
     "haptics": "震动",

lib/screens/metering/bloc_metering.dart

@@ -3,7 +3,6 @@ import 'dart:async';
 import 'package:bloc_concurrency/bloc_concurrency.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/volume_action.dart';
 import 'package:lightmeter/interactors/metering_interactor.dart';
 import 'package:lightmeter/screens/metering/communication/bloc_communication_metering.dart';
@@ -29,7 +28,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
   ) : super(
           MeteringDataState(
             ev100: null,
-            film: _meteringInteractor.film,
             iso: _meteringInteractor.iso,
             nd: _meteringInteractor.ndFilter,
             isMetering: false,
@@ -42,7 +40,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
         .listen(onCommunicationState);
 
     on<EquipmentProfileChangedEvent>(_onEquipmentProfileChanged);
-    on<FilmChangedEvent>(_onFilmChanged);
     on<IsoChangedEvent>(_onIsoChanged);
     on<NdChangedEvent>(_onNdChanged);
     on<MeasureEvent>(_onMeasure, transformer: droppable());
@@ -92,12 +89,9 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     /// Update selected ISO value and discard selected film, if selected equipment profile
     /// doesn't contain currently selected value
     IsoValue iso = state.iso;
-    Film film = state.film;
     if (!event.equipmentProfileData.isoValues.any((v) => state.iso.value == v.value)) {
       _meteringInteractor.iso = event.equipmentProfileData.isoValues.first;
       iso = event.equipmentProfileData.isoValues.first;
-      _meteringInteractor.film = Film.values.first;
-      film = Film.values.first;
       willUpdateMeasurements = true;
     }
 
@@ -113,7 +107,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
       emit(
         MeteringDataState(
           ev100: state.ev100,
-          film: film,
           iso: iso,
           nd: nd,
           isMetering: state.isMetering,
@@ -122,46 +115,12 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     }
   }
 
-  void _onFilmChanged(FilmChangedEvent event, Emitter emit) {
-    if (state.film.name != event.film.name) {
-      _meteringInteractor.film = event.film;
-
-      /// Find `IsoValue` with matching value
-      IsoValue iso = state.iso;
-      if (state.iso.value != event.film.iso && event.film != const Film.other()) {
-        iso = IsoValue.values.firstWhere(
-          (e) => e.value == event.film.iso,
-          orElse: () => state.iso,
-        );
-        _meteringInteractor.iso = iso;
-      }
-
-      /// If user selects 'Other' film we preserve currently selected ISO
-      /// and therefore only discard reciprocity formula
-      emit(
-        MeteringDataState(
-          ev100: state.ev100,
-          film: event.film,
-          iso: iso,
-          nd: state.nd,
-          isMetering: state.isMetering,
-        ),
-      );
-    }
-  }
-
   void _onIsoChanged(IsoChangedEvent event, Emitter emit) {
-    /// Discard currently selected film even if ISO is the same,
-    /// because, for example, Fomapan 400 and any Ilford 400
-    /// have different reciprocity formulas
-    _meteringInteractor.film = Film.values.first;
-
     if (state.iso != event.isoValue) {
       _meteringInteractor.iso = event.isoValue;
       emit(
         MeteringDataState(
           ev100: state.ev100,
-          film: Film.values.first,
           iso: event.isoValue,
           nd: state.nd,
           isMetering: state.isMetering,
@@ -176,7 +135,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
       emit(
         MeteringDataState(
           ev100: state.ev100,
-          film: state.film,
           iso: state.iso,
           nd: event.ndValue,
           isMetering: state.isMetering,
@@ -190,7 +148,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     _communicationBloc.add(const communication_events.MeasureEvent());
     emit(
       LoadingState(
-        film: state.film,
         iso: state.iso,
         nd: state.nd,
       ),
@@ -209,7 +166,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     emit(
       MeteringDataState(
         ev100: event.ev100,
-        film: state.film,
         iso: state.iso,
         nd: state.nd,
         isMetering: event.isMetering,
@@ -221,7 +177,6 @@ class MeteringBloc extends Bloc<MeteringEvent, MeteringState> {
     emit(
       MeteringDataState(
         ev100: null,
-        film: state.film,
         iso: state.iso,
         nd: state.nd,
         isMetering: event.isMetering,

lib/screens/metering/components/camera_container/components/camera_preview/widget_camera_preview.dart

@@ -31,27 +31,7 @@ class _CameraPreviewState extends State<CameraPreview> {
             AnimatedSwitcher(
               duration: Dimens.switchDuration,
               child: widget.controller != null
-                  ? ValueListenableBuilder<CameraValue>(
+                  ? _CameraPreviewBuilder(controller: widget.controller!)
-                      valueListenable: widget.controller!,
-                      builder: (_, __, ___) => widget.controller!.value.isInitialized
-                          ? Stack(
-                              alignment: Alignment.bottomCenter,
-                              children: [
-                                CameraView(controller: widget.controller!),
-                                if (UserPreferencesProvider.meteringScreenFeatureOf(
-                                  context,
-                                  MeteringScreenLayoutFeature.histogram,
-                                ))
-                                  Positioned(
-                                    left: Dimens.grid8,
-                                    right: Dimens.grid8,
-                                    bottom: Dimens.grid16,
-                                    child: CameraHistogram(controller: widget.controller!),
-                                  ),
-                              ],
-                            )
-                          : const SizedBox.shrink(),
-                    )
                   : CameraViewPlaceholder(error: widget.error),
             ),
           ],
@@ -60,3 +40,59 @@ class _CameraPreviewState extends State<CameraPreview> {
     );
   }
 }
+
+class _CameraPreviewBuilder extends StatefulWidget {
+  final CameraController controller;
+
+  const _CameraPreviewBuilder({required this.controller});
+
+  @override
+  State<_CameraPreviewBuilder> createState() => _CameraPreviewBuilderState();
+}
+
+class _CameraPreviewBuilderState extends State<_CameraPreviewBuilder> {
+  late final ValueNotifier<bool> _initializedNotifier =
+      ValueNotifier<bool>(widget.controller.value.isInitialized);
+
+  @override
+  void initState() {
+    super.initState();
+    widget.controller.addListener(_update);
+  }
+
+  @override
+  void dispose() {
+    widget.controller.removeListener(_update);
+    _initializedNotifier.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ValueListenableBuilder<bool>(
+      valueListenable: _initializedNotifier,
+      builder: (context, value, child) => value
+          ? Stack(
+              alignment: Alignment.bottomCenter,
+              children: [
+                CameraView(controller: widget.controller),
+                if (UserPreferencesProvider.meteringScreenFeatureOf(
+                  context,
+                  MeteringScreenLayoutFeature.histogram,
+                ))
+                  Positioned(
+                    left: Dimens.grid8,
+                    right: Dimens.grid8,
+                    bottom: Dimens.grid16,
+                    child: CameraHistogram(controller: widget.controller),
+                  ),
+              ],
+            )
+          : const SizedBox.shrink(),
+    );
+  }
+
+  void _update() {
+    _initializedNotifier.value = widget.controller.value.isInitialized;
+  }
+}

lib/screens/metering/components/camera_container/provider_container_camera.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/screens/metering/communication/bloc_communication_metering.dart';
 import 'package:lightmeter/screens/metering/components/camera_container/bloc_container_camera.dart';
 import 'package:lightmeter/screens/metering/components/camera_container/event_container_camera.dart';
@@ -12,10 +11,8 @@ import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 class CameraContainerProvider extends StatelessWidget {
   final ExposurePair? fastest;
   final ExposurePair? slowest;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
   final List<ExposurePair> exposurePairs;
@@ -23,10 +20,8 @@ class CameraContainerProvider extends StatelessWidget {
   const CameraContainerProvider({
     required this.fastest,
     required this.slowest,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
     required this.exposurePairs,
@@ -44,10 +39,8 @@ class CameraContainerProvider extends StatelessWidget {
       child: CameraContainer(
         fastest: fastest,
         slowest: slowest,
-        film: film,
         iso: iso,
         nd: nd,
-        onFilmChanged: onFilmChanged,
         onIsoChanged: onIsoChanged,
         onNdChanged: onNdChanged,
         exposurePairs: exposurePairs,

lib/screens/metering/components/camera_container/widget_container_camera.dart

@@ -3,7 +3,6 @@ import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
 import 'package:lightmeter/platform_config.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
@@ -23,10 +22,8 @@ import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 class CameraContainer extends StatelessWidget {
   final ExposurePair? fastest;
   final ExposurePair? slowest;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
   final List<ExposurePair> exposurePairs;
@@ -34,10 +31,8 @@ class CameraContainer extends StatelessWidget {
   const CameraContainer({
     required this.fastest,
     required this.slowest,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
     required this.exposurePairs,
@@ -60,10 +55,8 @@ class CameraContainer extends StatelessWidget {
             readingsContainer: ReadingsContainer(
               fastest: fastest,
               slowest: slowest,
-              film: film,
               iso: iso,
               nd: nd,
-              onFilmChanged: onFilmChanged,
               onIsoChanged: onIsoChanged,
               onNdChanged: onNdChanged,
             ),

lib/screens/metering/components/light_sensor_container/provider_container_light_sensor.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/screens/metering/communication/bloc_communication_metering.dart';
 import 'package:lightmeter/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart';
 import 'package:lightmeter/screens/metering/components/light_sensor_container/widget_container_light_sensor.dart';
@@ -11,10 +10,8 @@ import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 class LightSensorContainerProvider extends StatelessWidget {
   final ExposurePair? fastest;
   final ExposurePair? slowest;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
   final List<ExposurePair> exposurePairs;
@@ -22,10 +19,8 @@ class LightSensorContainerProvider extends StatelessWidget {
   const LightSensorContainerProvider({
     required this.fastest,
     required this.slowest,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
     required this.exposurePairs,
@@ -43,10 +38,8 @@ class LightSensorContainerProvider extends StatelessWidget {
       child: LightSensorContainer(
         fastest: fastest,
         slowest: slowest,
-        film: film,
         iso: iso,
         nd: nd,
-        onFilmChanged: onFilmChanged,
         onIsoChanged: onIsoChanged,
         onNdChanged: onNdChanged,
         exposurePairs: exposurePairs,

lib/screens/metering/components/light_sensor_container/widget_container_light_sensor.dart

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/res/dimens.dart';
 import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart';
 import 'package:lightmeter/screens/metering/components/shared/metering_top_bar/widget_top_bar_metering.dart';
@@ -10,10 +9,8 @@ import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 class LightSensorContainer extends StatelessWidget {
   final ExposurePair? fastest;
   final ExposurePair? slowest;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
   final List<ExposurePair> exposurePairs;
@@ -21,10 +18,8 @@ class LightSensorContainer extends StatelessWidget {
   const LightSensorContainer({
     required this.fastest,
     required this.slowest,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
     required this.exposurePairs,
@@ -39,10 +34,8 @@ class LightSensorContainer extends StatelessWidget {
           readingsContainer: ReadingsContainer(
             fastest: fastest,
             slowest: slowest,
-            film: film,
             iso: iso,
             nd: nd,
-            onFilmChanged: onFilmChanged,
             onIsoChanged: onIsoChanged,
             onNdChanged: onNdChanged,
           ),

lib/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart

@@ -5,6 +5,7 @@ import 'package:lightmeter/res/dimens.dart';
 
 import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/components/exposure_pairs_list_item/widget_item_list_exposure_pairs.dart';
 import 'package:lightmeter/screens/shared/icon_placeholder/widget_icon_placeholder.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 
 class ExposurePairsList extends StatelessWidget {
   final List<ExposurePair> exposurePairs;
@@ -47,7 +48,8 @@ class ExposurePairsList extends StatelessWidget {
                               child: Align(
                                 alignment: Alignment.centerLeft,
                                 child: ExposurePairsListItem(
-                                  exposurePairs[index].shutterSpeed,
+                                  Films.selectedOf(context)
+                                      .reciprocityFailure(exposurePairs[index].shutterSpeed),
                                   tickOnTheLeft: true,
                                 ),
                               ),

lib/screens/metering/components/shared/readings_container/components/equipment_profile_picker/widget_picker_equipment_profiles.dart

@@ -0,0 +1,30 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class EquipmentProfilePicker extends StatelessWidget {
+  const EquipmentProfilePicker();
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedDialogPicker<EquipmentProfile>(
+      icon: Icons.camera,
+      title: S.of(context).equipmentProfile,
+      selectedValue: EquipmentProfiles.selectedOf(context),
+      values: EquipmentProfiles.of(context),
+      itemTitleBuilder: (_, value) => Text(value.id.isEmpty ? S.of(context).none : value.name),
+      onChanged: EquipmentProfileProvider.of(context).setProfile,
+      closedChild: ReadingValueContainer.singleValue(
+        value: ReadingValue(
+          label: S.of(context).equipmentProfile,
+          value: EquipmentProfiles.selectedOf(context).id.isEmpty
+              ? S.of(context).none
+              : EquipmentProfiles.selectedOf(context).name,
+        ),
+      ),
+    );
+  }
+}

lib/screens/metering/components/shared/readings_container/components/extreme_exposure_pairs_container/widget_container_extreme_exposure_pairs.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/data/models/exposure_pair.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+
+class ExtremeExposurePairsContainer extends StatelessWidget {
+  final ExposurePair? fastest;
+  final ExposurePair? slowest;
+
+  const ExtremeExposurePairsContainer({
+    required this.fastest,
+    required this.slowest,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ReadingValueContainer(
+      values: [
+        ReadingValue(
+          label: S.of(context).fastestExposurePair,
+          value: _exposurePairToString(context, fastest),
+        ),
+        ReadingValue(
+          label: S.of(context).slowestExposurePair,
+          value: _exposurePairToString(context, slowest),
+        ),
+      ],
+    );
+  }
+
+  String _exposurePairToString(BuildContext context, ExposurePair? pair) {
+    if (pair == null) {
+      return '-';
+    }
+
+    return '${pair.aperture} - ${Films.selectedOf(context).reciprocityFailure(pair.shutterSpeed)}';
+  }
+}

lib/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart

@@ -0,0 +1,53 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class FilmPicker extends StatelessWidget {
+  final IsoValue selectedIso;
+
+  const FilmPicker({required this.selectedIso});
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedDialogPicker<Film>(
+      icon: Icons.camera_roll,
+      title: S.of(context).film,
+      subtitle: S.of(context).filmReciprocityHint,
+      selectedValue: Films.selectedOf(context),
+      values: Films.inUseOf(context),
+      itemTitleBuilder: (_, value) => Text(value.name.isEmpty ? S.of(context).none : value.name),
+      onChanged: FilmsProvider.of(context).setFilm,
+      closedChild: ReadingValueContainer.singleValue(
+        value: ReadingValue(
+          label: _label(context),
+          value: Films.selectedOf(context).name.isEmpty
+              ? S.of(context).none
+              : Films.selectedOf(context).name,
+        ),
+      ),
+    );
+  }
+
+  String _label(BuildContext context) {
+    if (Films.selectedOf(context) == const Film.other() ||
+        Films.selectedOf(context).iso == selectedIso.value) {
+      return S.of(context).film;
+    }
+
+    final evDiff = IsoValue(
+      Films.selectedOf(context).iso,
+      StopType.full,
+    ).difference(selectedIso);
+
+    if (evDiff > 0) {
+      return S.of(context).filmPush;
+    } else if (evDiff < 0) {
+      return S.of(context).filmPull;
+    } else {
+      return S.of(context).film;
+    }
+  }
+}

lib/screens/metering/components/shared/readings_container/components/iso_picker/widget_picker_iso.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class IsoValuePicker extends StatelessWidget {
+  final List<IsoValue> values;
+  final IsoValue selectedValue;
+  final ValueChanged<IsoValue> onChanged;
+
+  const IsoValuePicker({
+    required this.selectedValue,
+    required this.values,
+    required this.onChanged,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedDialogPicker<IsoValue>(
+      icon: Icons.iso,
+      title: S.of(context).iso,
+      subtitle: S.of(context).filmSpeed,
+      selectedValue: selectedValue,
+      values: values,
+      itemTitleBuilder: (_, value) => Text(value.value.toString()),
+      // using ascending order, because increase in film speed rises EV
+      itemTrailingBuilder: (selected, value) => value.value != selected.value
+          ? Text(S.of(context).evValue(selected.toStringDifference(value)))
+          : null,
+      onChanged: onChanged,
+      closedChild: ReadingValueContainer.singleValue(
+        value: ReadingValue(
+          label: S.of(context).iso,
+          value: selectedValue.value.toString(),
+        ),
+      ),
+    );
+  }
+}

lib/screens/metering/components/shared/readings_container/components/nd_picker/widget_picker_nd.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class NdValuePicker extends StatelessWidget {
+  final List<NdValue> values;
+  final NdValue selectedValue;
+  final ValueChanged<NdValue> onChanged;
+
+  const NdValuePicker({
+    required this.selectedValue,
+    required this.values,
+    required this.onChanged,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedDialogPicker<NdValue>(
+      icon: Icons.filter_b_and_w,
+      title: S.of(context).nd,
+      subtitle: S.of(context).ndFilterFactor,
+      selectedValue: selectedValue,
+      values: values,
+      itemTitleBuilder: (_, value) => Text(
+        value.value == 0 ? S.of(context).none : value.value.toString(),
+      ),
+      // using descending order, because ND filter darkens image & lowers EV
+      itemTrailingBuilder: (selected, value) => value.value != selected.value
+          ? Text(S.of(context).evValue(value.toStringDifference(selected)))
+          : null,
+      onChanged: onChanged,
+      closedChild: ReadingValueContainer.singleValue(
+        value: ReadingValue(
+          label: S.of(context).nd,
+          value: selectedValue.value.toString(),
+        ),
+      ),
+    );
+  }
+}

lib/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
-
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/components/animated_dialog/widget_dialog_animated.dart';
-import 'package:lightmeter/screens/metering/components/shared/readings_container/components/animated_dialog_picker/components/animated_dialog/widget_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/components/dialog_picker/widget_picker_dialog.dart';
-import 'package:lightmeter/screens/metering/components/shared/readings_container/components/animated_dialog_picker/components/dialog_picker/widget_picker_dialog.dart';
 
 // Has to be stateful, so that [GlobalKey] is not recreated. 
 // Otherwise use will no be able to close the dialog after EV value has changed.

lib/screens/metering/components/shared/readings_container/widget_container_readings.dart

@@ -1,32 +1,29 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
-import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
 import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/screens/metering/components/shared/readings_container/components/animated_dialog_picker/widget_picker_dialog_animated.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/equipment_profile_picker/widget_picker_equipment_profiles.dart';
-import 'package:lightmeter/screens/metering/components/shared/readings_container/components/reading_value_container/widget_container_reading_value.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/extreme_exposure_pairs_container/widget_container_extreme_exposure_pairs.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/film_picker/widget_picker_film.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/iso_picker/widget_picker_iso.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/nd_picker/widget_picker_nd.dart';
 import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class ReadingsContainer extends StatelessWidget {
   final ExposurePair? fastest;
   final ExposurePair? slowest;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
 
   const ReadingsContainer({
     required this.fastest,
     required this.slowest,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
     super.key,
@@ -41,24 +38,16 @@ class ReadingsContainer extends StatelessWidget {
           context,
           MeteringScreenLayoutFeature.equipmentProfiles,
         )) ...[
-          const _EquipmentProfilePicker(),
+          const EquipmentProfilePicker(),
           const _InnerPadding(),
         ],
         if (UserPreferencesProvider.meteringScreenFeatureOf(
           context,
           MeteringScreenLayoutFeature.extremeExposurePairs,
         )) ...[
-          ReadingValueContainer(
+          ExtremeExposurePairsContainer(
-            values: [
+            fastest: fastest,
-              ReadingValue(
+            slowest: slowest,
-                label: S.of(context).fastestExposurePair,
-                value: fastest != null ? fastest!.toString() : '-',
-              ),
-              ReadingValue(
-                label: S.of(context).slowestExposurePair,
-                value: fastest != null ? slowest!.toString() : '-',
-              ),
-            ],
           ),
           const _InnerPadding(),
         ],
@@ -66,17 +55,13 @@ class ReadingsContainer extends StatelessWidget {
           context,
           MeteringScreenLayoutFeature.filmPicker,
         )) ...[
-          _FilmPicker(
+          FilmPicker(selectedIso: iso),
-            values: Film.values,
-            selectedValue: film,
-            onChanged: onFilmChanged,
-          ),
           const _InnerPadding(),
         ],
         Row(
           children: [
             Expanded(
-              child: _IsoValuePicker(
+              child: IsoValuePicker(
                 selectedValue: iso,
                 values: EquipmentProfiles.selectedOf(context).isoValues,
                 onChanged: onIsoChanged,
@@ -84,7 +69,7 @@ class ReadingsContainer extends StatelessWidget {
             ),
             const _InnerPadding(),
             Expanded(
-              child: _NdValuePicker(
+              child: NdValuePicker(
                 selectedValue: nd,
                 values: EquipmentProfiles.selectedOf(context).ndValues,
                 onChanged: onNdChanged,
@@ -100,129 +85,3 @@ class ReadingsContainer extends StatelessWidget {
 class _InnerPadding extends SizedBox {
   const _InnerPadding() : super(height: Dimens.grid8, width: Dimens.grid8);
 }
-
-class _EquipmentProfilePicker extends StatelessWidget {
-  const _EquipmentProfilePicker();
-
-  @override
-  Widget build(BuildContext context) {
-    return AnimatedDialogPicker<EquipmentProfile>(
-      icon: Icons.camera,
-      title: S.of(context).equipmentProfile,
-      selectedValue: EquipmentProfiles.selectedOf(context),
-      values: EquipmentProfiles.of(context),
-      itemTitleBuilder: (_, value) => Text(value.id.isEmpty ? S.of(context).none : value.name),
-      onChanged: EquipmentProfileProvider.of(context).setProfile,
-      closedChild: ReadingValueContainer.singleValue(
-        value: ReadingValue(
-          label: S.of(context).equipmentProfile,
-          value: EquipmentProfiles.selectedOf(context).id.isEmpty
-              ? S.of(context).none
-              : EquipmentProfiles.selectedOf(context).name,
-        ),
-      ),
-    );
-  }
-}
-
-class _FilmPicker extends StatelessWidget {
-  final List<Film> values;
-  final Film selectedValue;
-  final ValueChanged<Film> onChanged;
-
-  const _FilmPicker({
-    required this.values,
-    required this.selectedValue,
-    required this.onChanged,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return AnimatedDialogPicker<Film>(
-      icon: Icons.camera_roll,
-      title: S.of(context).film,
-      selectedValue: selectedValue,
-      values: values,
-      itemTitleBuilder: (_, value) => Text(value.name.isEmpty ? S.of(context).none : value.name),
-      onChanged: onChanged,
-      closedChild: ReadingValueContainer.singleValue(
-        value: ReadingValue(
-          label: S.of(context).film,
-          value: selectedValue.name.isEmpty ? S.of(context).none : selectedValue.name,
-        ),
-      ),
-    );
-  }
-}
-
-class _IsoValuePicker extends StatelessWidget {
-  final List<IsoValue> values;
-  final IsoValue selectedValue;
-  final ValueChanged<IsoValue> onChanged;
-
-  const _IsoValuePicker({
-    required this.selectedValue,
-    required this.values,
-    required this.onChanged,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return AnimatedDialogPicker<IsoValue>(
-      icon: Icons.iso,
-      title: S.of(context).iso,
-      subtitle: S.of(context).filmSpeed,
-      selectedValue: selectedValue,
-      values: values,
-      itemTitleBuilder: (_, value) => Text(value.value.toString()),
-      // using ascending order, because increase in film speed rises EV
-      itemTrailingBuilder: (selected, value) => value.value != selected.value
-          ? Text(S.of(context).evValue(selected.toStringDifference(value)))
-          : null,
-      onChanged: onChanged,
-      closedChild: ReadingValueContainer.singleValue(
-        value: ReadingValue(
-          label: S.of(context).iso,
-          value: selectedValue.value.toString(),
-        ),
-      ),
-    );
-  }
-}
-
-class _NdValuePicker extends StatelessWidget {
-  final List<NdValue> values;
-  final NdValue selectedValue;
-  final ValueChanged<NdValue> onChanged;
-
-  const _NdValuePicker({
-    required this.selectedValue,
-    required this.values,
-    required this.onChanged,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return AnimatedDialogPicker<NdValue>(
-      icon: Icons.filter_b_and_w,
-      title: S.of(context).nd,
-      subtitle: S.of(context).ndFilterFactor,
-      selectedValue: selectedValue,
-      values: values,
-      itemTitleBuilder: (_, value) => Text(
-        value.value == 0 ? S.of(context).none : value.value.toString(),
-      ),
-      // using descending order, because ND filter darkens image & lowers EV
-      itemTrailingBuilder: (selected, value) => value.value != selected.value
-          ? Text(S.of(context).evValue(value.toStringDifference(selected)))
-          : null,
-      onChanged: onChanged,
-      closedChild: ReadingValueContainer.singleValue(
-        value: ReadingValue(
-          label: S.of(context).nd,
-          value: selectedValue.value.toString(),
-        ),
-      ),
-    );
-  }
-}

lib/screens/metering/event_metering.dart

@@ -1,4 +1,3 @@
-import 'package:lightmeter/data/models/film.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 sealed class MeteringEvent {
@@ -11,12 +10,6 @@ class EquipmentProfileChangedEvent extends MeteringEvent {
   const EquipmentProfileChangedEvent(this.equipmentProfileData);
 }
 
-class FilmChangedEvent extends MeteringEvent {
-  final Film film;
-
-  const FilmChangedEvent(this.film);
-}
-
 class IsoChangedEvent extends MeteringEvent {
   final IsoValue isoValue;
 

lib/screens/metering/screen_metering.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/ev_source_type.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
 import 'package:lightmeter/providers/services_provider.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
@@ -33,11 +32,8 @@ class MeteringScreen extends StatelessWidget {
               child: BlocBuilder<MeteringBloc, MeteringState>(
                 builder: (_, state) => MeteringContainerBuidler(
                   ev: state is MeteringDataState ? state.ev : null,
-                  film: state.film,
                   iso: state.iso,
                   nd: state.nd,
-                  onFilmChanged: (value) =>
-                      context.read<MeteringBloc>().add(FilmChangedEvent(value)),
                   onIsoChanged: (value) => context.read<MeteringBloc>().add(IsoChangedEvent(value)),
                   onNdChanged: (value) => context.read<MeteringBloc>().add(NdChangedEvent(value)),
                 ),
@@ -81,7 +77,7 @@ class _InheritedListeners extends StatelessWidget {
         feature: MeteringScreenLayoutFeature.filmPicker,
         onDidChangeDependencies: (value) {
           if (!value) {
-            context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
+            FilmsProvider.of(context).setFilm(const Film.other());
           }
         },
         child: child,
@@ -92,19 +88,15 @@ class _InheritedListeners extends StatelessWidget {
 
 class MeteringContainerBuidler extends StatelessWidget {
   final double? ev;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
-  final ValueChanged<Film> onFilmChanged;
   final ValueChanged<IsoValue> onIsoChanged;
   final ValueChanged<NdValue> onNdChanged;
 
   const MeteringContainerBuidler({
     required this.ev,
-    required this.film,
     required this.iso,
     required this.nd,
-    required this.onFilmChanged,
     required this.onIsoChanged,
     required this.onNdChanged,
   });
@@ -116,7 +108,6 @@ class MeteringContainerBuidler extends StatelessWidget {
             ev!,
             UserPreferencesProvider.stopTypeOf(context),
             EquipmentProfiles.selectedOf(context),
-            film,
           )
         : <ExposurePair>[];
     final fastest = exposurePairs.isNotEmpty ? exposurePairs.first : null;
@@ -126,10 +117,8 @@ class MeteringContainerBuidler extends StatelessWidget {
         ? CameraContainerProvider(
             fastest: fastest,
             slowest: slowest,
-            film: film,
             iso: iso,
             nd: nd,
-            onFilmChanged: onFilmChanged,
             onIsoChanged: onIsoChanged,
             onNdChanged: onNdChanged,
             exposurePairs: exposurePairs,
@@ -137,10 +126,8 @@ class MeteringContainerBuidler extends StatelessWidget {
         : LightSensorContainerProvider(
             fastest: fastest,
             slowest: slowest,
-            film: film,
             iso: iso,
             nd: nd,
-            onFilmChanged: onFilmChanged,
             onIsoChanged: onIsoChanged,
             onNdChanged: onNdChanged,
             exposurePairs: exposurePairs,
@@ -152,7 +139,6 @@ class MeteringContainerBuidler extends StatelessWidget {
     double ev,
     StopType stopType,
     EquipmentProfile equipmentProfile,
-    Film film,
   ) {
     if (ev.isNaN || ev.isInfinite) {
       return List.empty();
@@ -195,7 +181,7 @@ class MeteringContainerBuidler extends StatelessWidget {
       itemsCount,
       (index) => ExposurePair(
         apertureValues[index + apertureOffset],
-        film.reciprocityFailure(shutterSpeedValues[index + shutterSpeedOffset]),
+        shutterSpeedValues[index + shutterSpeedOffset],
       ),
       growable: false,
     );

lib/screens/metering/state_metering.dart

@@ -1,18 +1,15 @@
 import 'package:flutter/material.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 @immutable
 abstract class MeteringState {
   final double? ev100;
-  final Film film;
   final IsoValue iso;
   final NdValue nd;
   final bool isMetering;
 
   const MeteringState({
     this.ev100,
-    required this.film,
     required this.iso,
     required this.nd,
     required this.isMetering,
@@ -21,7 +18,6 @@ abstract class MeteringState {
 
 class LoadingState extends MeteringState {
   const LoadingState({
-    required super.film,
     required super.iso,
     required super.nd,
   }) : super(isMetering: true);
@@ -30,7 +26,6 @@ class LoadingState extends MeteringState {
 class MeteringDataState extends MeteringState {
   const MeteringDataState({
     required super.ev100,
-    required super.film,
     required super.iso,
     required super.nd,
     required super.isMetering,

lib/screens/metering/utils/equipment_profile_listener.dart

@@ -1,30 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
-
-class EquipmentProfileListener extends StatefulWidget {
-  final ValueChanged<EquipmentProfile> onDidChangeDependencies;
-  final Widget child;
-
-  const EquipmentProfileListener({
-    required this.onDidChangeDependencies,
-    required this.child,
-    super.key,
-  });
-
-  @override
-  State<EquipmentProfileListener> createState() => _EquipmentProfileListenerState();
-}
-
-class _EquipmentProfileListenerState extends State<EquipmentProfileListener> {
-  @override
-  void didChangeDependencies() {
-    super.didChangeDependencies();
-    widget.onDidChangeDependencies(EquipmentProfiles.selectedOf(context));
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return widget.child;
-  }
-}

lib/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/components/equipment_list_tiles/widget_list_tiles_equipments.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/components/equipment_list_tiles/components/dialog_filter/widget_dialog_filter.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_filter/widget_dialog_filter.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/components/equipment_list_tiles/components/dialog_range_picker/widget_dialog_picker_range.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_range_picker/widget_dialog_picker_range.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class EquipmentListTiles extends StatelessWidget {

lib/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart

@@ -3,8 +3,8 @@ import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/components/equipment_list_tiles/widget_list_tiles_equipments.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/components/equipment_list_tiles/widget_list_tiles_equipments.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_name_dialog/widget_dialog_equipment_profile_name.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_name_dialog/widget_dialog_equipment_profile_name.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class EquipmentProfileContainer extends StatefulWidget {

lib/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart

@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
 
 import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_name_dialog/widget_dialog_equipment_profile_name.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_name_dialog/widget_dialog_equipment_profile_name.dart';
 import 'package:lightmeter/screens/shared/icon_placeholder/widget_icon_placeholder.dart';
 import 'package:lightmeter/screens/shared/sliver_screen/screen_sliver.dart';
 import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';

lib/screens/settings/components/equipment/components/equipment_profiles/widget_list_tile_equipment_profiles.dart

@@ -0,0 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart';
+import 'package:lightmeter/screens/settings/components/shared/iap_list_tile/widget_list_tile_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class EquipmentProfilesListTile extends StatelessWidget {
+  const EquipmentProfilesListTile({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return IAPListTile(
+      leading: const Icon(Icons.camera),
+      title: Text(S.of(context).equipmentProfiles),
+      onTap: () {
+        Navigator.of(context).push<EquipmentProfile>(
+          MaterialPageRoute(builder: (_) => const EquipmentProfilesScreen()),
+        );
+      },
+    );
+  }
+}

lib/screens/settings/components/equipment/components/films/widget_list_tile_films.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_filter/widget_dialog_filter.dart';
+import 'package:lightmeter/screens/settings/components/shared/iap_list_tile/widget_list_tile_iap.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class FilmsListTile extends StatelessWidget {
+  const FilmsListTile({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return IAPListTile(
+      leading: const Icon(Icons.camera_roll),
+      title: Text(S.of(context).filmsInUse),
+      onTap: () {
+        showDialog<List<Film>>(
+          context: context,
+          builder: (_) => DialogFilter<Film>(
+            icon: const Icon(Icons.camera_roll),
+            title: S.of(context).filmsInUse,
+            description: S.of(context).filmsInUseDescription,
+            values: Films.of(context).sublist(1),
+            selectedValues: Films.inUseOf(context),
+            titleAdapter: (_, value) => value.name,
+          ),
+        ).then((values) {
+          if (values != null) {
+            FilmsProvider.of(context).saveFilms(values);
+          }
+        });
+      },
+    );
+  }
+}

lib/screens/settings/components/equipment/widget_settings_section_equipment.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/equipment_profiles/widget_list_tile_equipment_profiles.dart';
+import 'package:lightmeter/screens/settings/components/equipment/components/films/widget_list_tile_films.dart';
+import 'package:lightmeter/screens/settings/components/shared/settings_section/widget_settings_section.dart';
+
+class EquipmentSettingsSection extends StatelessWidget {
+  const EquipmentSettingsSection({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SettingsSection(
+      title: S.of(context).equipment,
+      children: const [
+        EquipmentProfilesListTile(),
+        FilmsListTile(),
+      ],
+    );
+  }
+}

lib/screens/settings/components/general/components/language/widget_list_tile_language.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/supported_locale.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
-import 'package:lightmeter/screens/settings/components/shared/dialog_picker.dart/widget_dialog_picker.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_picker/widget_dialog_picker.dart';
 
 class LanguageListTile extends StatelessWidget {
   const LanguageListTile({super.key});

lib/screens/settings/components/metering/components/equipment_profiles/widget_list_tile_equipment_profiles.dart

@@ -1,43 +0,0 @@
-import 'dart:developer';
-
-import 'package:flutter/material.dart';
-import 'package:lightmeter/generated/l10n.dart';
-import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart';
-import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
-
-class EquipmentProfilesListTile extends StatelessWidget {
-  const EquipmentProfilesListTile({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final paidStatus = IAPProducts.productOf(context, IAPProductType.paidFeatures)?.status ??
-        IAPProductStatus.pending;
-    log(paidStatus.toString());
-    return ListTile(
-      leading: const Icon(Icons.camera),
-      title: Text(S.of(context).equipmentProfiles),
-      onTap: switch (paidStatus) {
-        IAPProductStatus.purchased => () {
-            Navigator.of(context).push<EquipmentProfile>(
-              MaterialPageRoute(builder: (_) => const EquipmentProfilesScreen()),
-            );
-          },
-        IAPProductStatus.pending => null,
-        _ => () {
-            IAPProductsProvider.of(context).buy(IAPProductType.paidFeatures);
-          },
-      },
-      trailing: switch (paidStatus) {
-        IAPProductStatus.purchasable => const Icon(Icons.lock),
-        IAPProductStatus.pending => const SizedBox(
-            height: Dimens.grid24,
-            width: Dimens.grid24,
-            child: CircularProgressIndicator(),
-          ),
-        _ => null,
-      },
-    );
-  }
-}

lib/screens/settings/components/metering/components/fractional_stops/widget_list_tile_fractional_stops.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
-import 'package:lightmeter/screens/settings/components/shared/dialog_picker.dart/widget_dialog_picker.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_picker/widget_dialog_picker.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class StopTypeListTile extends StatelessWidget {

lib/screens/settings/components/metering/widget_settings_section_metering.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/screens/settings/components/metering/components/calibration/widget_list_tile_calibration.dart';
-import 'package:lightmeter/screens/settings/components/metering/components/equipment_profiles/widget_list_tile_equipment_profiles.dart';
 import 'package:lightmeter/screens/settings/components/metering/components/fractional_stops/widget_list_tile_fractional_stops.dart';
 import 'package:lightmeter/screens/settings/components/metering/components/metering_screen_layout/widget_list_tile_metering_screen_layout.dart';
 import 'package:lightmeter/screens/settings/components/shared/settings_section/widget_settings_section.dart';
@@ -17,7 +16,6 @@ class MeteringSettingsSection extends StatelessWidget {
         StopTypeListTile(),
         CalibrationListTile(),
         MeteringScreenLayoutListTile(),
-        EquipmentProfilesListTile(),
       ],
     );
   }

lib/screens/settings/components/shared/dialog_filter/widget_dialog_filter.dart

@@ -1,9 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
-class DialogFilter<T extends PhotographyValue> extends StatefulWidget {
+class DialogFilter<T> extends StatefulWidget {
   final Icon icon;
   final String title;
   final String description;
@@ -25,10 +24,10 @@ class DialogFilter<T extends PhotographyValue> extends StatefulWidget {
   State<DialogFilter<T>> createState() => _DialogFilterState<T>();
 }
 
-class _DialogFilterState<T extends PhotographyValue> extends State<DialogFilter<T>> {
+class _DialogFilterState<T> extends State<DialogFilter<T>> {
   late final List<bool> checkboxValues = List.generate(
     widget.values.length,
-    (index) => widget.selectedValues.any((element) => element.value == widget.values[index].value),
+    (index) => widget.selectedValues.any((element) => element == widget.values[index]),
     growable: false,
   );
 

lib/screens/settings/components/shared/iap_list_tile/widget_list_tile_iap.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
+
+/// Depends on the product status and replaces [onTap] with purchase callback
+/// if the product is purchasable.
+class IAPListTile extends StatelessWidget {
+  final IAPProductType product;
+  final Icon leading;
+  final Text title;
+  final VoidCallback onTap;
+
+  const IAPListTile({
+    this.product = IAPProductType.paidFeatures,
+    required this.leading,
+    required this.title,
+    required this.onTap,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      leading: leading,
+      title: title,
+      onTap: switch (IAPProducts.productOf(context, product)?.status) {
+        IAPProductStatus.purchasable => () => IAPProductsProvider.of(context).buy(product),
+        IAPProductStatus.pending => null,
+        IAPProductStatus.purchased => onTap,
+        null => null,
+      },
+    );
+  }
+}

lib/screens/settings/components/shared/settings_section/widget_settings_section.dart

@@ -4,10 +4,12 @@ import 'package:lightmeter/res/dimens.dart';
 class SettingsSection extends StatelessWidget {
   final String title;
   final List<Widget> children;
+  final bool enabled;
 
   const SettingsSection({
     required this.title,
     required this.children,
+    this.enabled = true,
     super.key,
   });
 
@@ -23,6 +25,8 @@ class SettingsSection extends StatelessWidget {
       child: Card(
         child: Padding(
           padding: const EdgeInsets.symmetric(vertical: Dimens.paddingM),
+          child: Opacity(
+            opacity: enabled ? Dimens.enabledOpacity : Dimens.disabledOpacity,
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               mainAxisSize: MainAxisSize.min,
@@ -42,6 +46,7 @@ class SettingsSection extends StatelessWidget {
             ),
           ),
         ),
+      ),
     );
   }
 }

lib/screens/settings/components/theme/components/theme_type/widget_list_tile_theme_type.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/theme_type.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
-import 'package:lightmeter/screens/settings/components/shared/dialog_picker.dart/widget_dialog_picker.dart';
+import 'package:lightmeter/screens/settings/components/shared/dialog_picker/widget_dialog_picker.dart';
 
 class ThemeTypeListTile extends StatelessWidget {
   const ThemeTypeListTile({super.key});

lib/screens/settings/screen_settings.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/screens/settings/components/about/widget_settings_section_about.dart';
+import 'package:lightmeter/screens/settings/components/equipment/widget_settings_section_equipment.dart';
 import 'package:lightmeter/screens/settings/components/general/widget_settings_section_general.dart';
 import 'package:lightmeter/screens/settings/components/metering/widget_settings_section_metering.dart';
 import 'package:lightmeter/screens/settings/components/theme/widget_settings_section_theme.dart';
@@ -43,6 +44,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
             delegate: SliverChildListDelegate(
               <Widget>[
                 const MeteringSettingsSection(),
+                const EquipmentSettingsSection(),
                 const GeneralSettingsSection(),
                 const ThemeSettingsSection(),
                 const AboutSettingsSection(),

m3_lightmeter.code-workspace

@@ -0,0 +1,11 @@
+{
+	"folders": [
+		{
+			"path": "iap"
+		},
+		{
+			"path": "."
+		}
+	],
+	"settings": {}
+}

test/data/models/film_test.dart

@@ -1,121 +0,0 @@
-import 'package:lightmeter/data/models/film.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
-import 'package:test/test.dart';
-
-void main() {
-  test('iso', () {
-    expect(const Film.other().iso, 0);
-    expect(const FomapanFilm.creative100().iso, 100);
-    expect(const FomapanFilm.creative200().iso, 200);
-    expect(const FomapanFilm.action400().iso, 400);
-    expect(const IlfordFilm.ortho().iso, 80);
-    expect(const IlfordFilm.delta100().iso, 100);
-    expect(const IlfordFilm.delta400().iso, 400);
-    expect(const IlfordFilm.delta3200().iso, 3200);
-    expect(const IlfordFilm.fp4().iso, 125);
-    expect(const IlfordFilm.hp5().iso, 400);
-    expect(const IlfordFilm.panf().iso, 50);
-    expect(const IlfordFilm.sfx200().iso, 200);
-    expect(const IlfordFilm.xp2super().iso, 400);
-    expect(const IlfordFilm.pan100().iso, 100);
-    expect(const IlfordFilm.pan400().iso, 400);
-    expect(const KodakFilm.tmax100().iso, 100);
-    expect(const KodakFilm.tmax400().iso, 400);
-    expect(const KodakFilm.tmax3200().iso, 3200);
-    expect(const KodakFilm.trix320().iso, 320);
-    expect(const KodakFilm.trix400().iso, 400);
-  });
-
-  test('toString()', () {
-    expect(const Film.other().toString(), "");
-    expect(const FomapanFilm.creative100().toString(), "Fomapan CREATIVE 100");
-    expect(const FomapanFilm.creative200().toString(), "Fomapan CREATIVE 200");
-    expect(const FomapanFilm.action400().toString(), "Fomapan ACTION 400");
-    expect(const IlfordFilm.ortho().toString(), "Ilford ORTHO+");
-    expect(const IlfordFilm.delta100().toString(), "Ilford DELTA 100");
-    expect(const IlfordFilm.delta400().toString(), "Ilford DELTA 400");
-    expect(const IlfordFilm.delta3200().toString(), "Ilford DELTA 3200");
-    expect(const IlfordFilm.fp4().toString(), "Ilford FP4+");
-    expect(const IlfordFilm.hp5().toString(), "Ilford HP5+");
-    expect(const IlfordFilm.panf().toString(), "Ilford Pan F+");
-    expect(const IlfordFilm.sfx200().toString(), "Ilford SFX 200");
-    expect(const IlfordFilm.xp2super().toString(), "Ilford XP2 SUPER");
-    expect(const IlfordFilm.pan100().toString(), "Kentemere 100");
-    expect(const IlfordFilm.pan400().toString(), "Kentemere 400");
-    expect(const KodakFilm.tmax100().toString(), "Kodak T-MAX 100");
-    expect(const KodakFilm.tmax400().toString(), "Kodak T-MAX 400");
-    expect(const KodakFilm.tmax3200().toString(), "Kodak T-MAX 3200");
-    expect(const KodakFilm.trix320().toString(), "Kodak TRI-X 320");
-    expect(const KodakFilm.trix400().toString(), "Kodak TRI-X 400");
-  });
-
-  group(
-    'reciprocityFailure',
-    () {
-      const inputSpeeds = [
-        ShutterSpeedValue(1000, true, StopType.full),
-        ShutterSpeedValue(1, false, StopType.full),
-        ShutterSpeedValue(16, false, StopType.full)
-      ];
-      test('No change `Film.other()`', () {
-        expect(
-          const Film.other().reciprocityFailure(inputSpeeds[0]),
-          const ShutterSpeedValue(1000, true, StopType.full),
-        );
-        expect(
-          const Film.other().reciprocityFailure(inputSpeeds[1]),
-          const ShutterSpeedValue(1, false, StopType.full),
-        );
-        expect(
-          const Film.other().reciprocityFailure(inputSpeeds[2]),
-          const ShutterSpeedValue(16, false, StopType.full),
-        );
-      });
-
-      test('pow `IlfordFilm.delta100()`', () {
-        expect(
-          const IlfordFilm.delta100().reciprocityFailure(inputSpeeds[0]),
-          const ShutterSpeedValue(1000, true, StopType.full),
-        );
-        expect(
-          const IlfordFilm.delta100().reciprocityFailure(inputSpeeds[1]),
-          const ShutterSpeedValue(1, false, StopType.full),
-        );
-        expect(
-          const IlfordFilm.delta100().reciprocityFailure(inputSpeeds[2]),
-          const ShutterSpeedValue(32.899642452994128, false, StopType.full),
-        );
-      });
-
-      test('log10polynomian `FomapanFilm.creative100()`', () {
-        expect(
-          const FomapanFilm.creative100().reciprocityFailure(inputSpeeds[0]),
-          const ShutterSpeedValue(1000, true, StopType.full),
-        );
-        expect(
-          const FomapanFilm.creative100().reciprocityFailure(inputSpeeds[1]),
-          const ShutterSpeedValue(2, false, StopType.full),
-        );
-        expect(
-          const FomapanFilm.creative100().reciprocityFailure(inputSpeeds[2]),
-          const ShutterSpeedValue(151.52807753457483, false, StopType.full),
-        );
-      });
-
-      test('log10polynomian `Kodak.tmax400()`', () {
-        expect(
-          const KodakFilm.tmax400().reciprocityFailure(inputSpeeds[0]),
-          const ShutterSpeedValue(1000, true, StopType.full),
-        );
-        expect(
-          const KodakFilm.tmax400().reciprocityFailure(inputSpeeds[1]),
-          const ShutterSpeedValue(1.3333333333333333, false, StopType.full),
-        );
-        expect(
-          const KodakFilm.tmax400().reciprocityFailure(inputSpeeds[2]),
-          const ShutterSpeedValue(27.166026086819844, false, StopType.full),
-        );
-      });
-    },
-  );
-}

test/data/shared_prefs_service_test.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:lightmeter/data/models/ev_source_type.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/metering_screen_layout_config.dart';
 import 'package:lightmeter/data/models/supported_locale.dart';
 import 'package:lightmeter/data/models/theme_type.dart';
@@ -392,26 +391,4 @@ void main() {
           .called(1);
     });
   });
-
-  group('film', () {
-    test('get default', () {
-      when(() => sharedPreferences.getString(UserPreferencesService.filmKey)).thenReturn(null);
-      expect(service.film, Film.values.first);
-    });
-
-    test('get', () {
-      when(() => sharedPreferences.getString(UserPreferencesService.filmKey))
-          .thenReturn('Fomapan ACTION 400');
-      expect(service.film, const FomapanFilm.action400());
-    });
-
-    test('set', () {
-      when(() => sharedPreferences.setString(UserPreferencesService.filmKey, 'Fomapan ACTION 400'))
-          .thenAnswer((_) => Future.value(true));
-      service.film = const FomapanFilm.action400();
-      verify(
-        () => sharedPreferences.setString(UserPreferencesService.filmKey, 'Fomapan ACTION 400'),
-      ).called(1);
-    });
-  });
 }

test/interactors/metering_interactor_test.dart

@@ -2,7 +2,6 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:lightmeter/data/caffeine_service.dart';
 import 'package:lightmeter/data/haptics_service.dart';
 import 'package:lightmeter/data/light_sensor_service.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/volume_action.dart';
 import 'package:lightmeter/data/permissions_service.dart';
 import 'package:lightmeter/data/shared_prefs_service.dart';
@@ -124,19 +123,6 @@ void main() {
         interactor.ndFilter = NdValue.values.first;
         verify(() => mockUserPreferencesService.ndFilter = NdValue.values.first).called(1);
       });
-
-      test('film - get', () async {
-        when(() => mockUserPreferencesService.film).thenReturn(Film.values.first);
-        expect(interactor.film, Film.values.first);
-        verify(() => mockUserPreferencesService.film).called(1);
-      });
-
-      test('film - set', () async {
-        when(() => mockUserPreferencesService.film = Film.values.first)
-            .thenReturn(Film.values.first);
-        interactor.film = Film.values.first;
-        verify(() => mockUserPreferencesService.film = Film.values.first).called(1);
-      });
     },
   );
 

test/screens/metering/bloc_metering_test.dart

@@ -1,5 +1,4 @@
 import 'package:bloc_test/bloc_test.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/data/models/volume_action.dart';
 import 'package:lightmeter/interactors/metering_interactor.dart';
 import 'package:lightmeter/screens/metering/bloc_metering.dart';
@@ -34,7 +33,6 @@ void main() {
     meteringInteractor = _MockMeteringInteractor();
     when<IsoValue>(() => meteringInteractor.iso).thenReturn(iso100);
     when<NdValue>(() => meteringInteractor.ndFilter).thenReturn(NdValue.values.first);
-    when<Film>(() => meteringInteractor.film).thenReturn(Film.values.first);
     when(meteringInteractor.quickVibration).thenAnswer((_) async {});
     when(meteringInteractor.responseVibration).thenAnswer((_) async {});
     when(meteringInteractor.errorVibration).thenAnswer((_) async {});
@@ -157,7 +155,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -166,14 +163,12 @@ void main() {
           bloc.add(const IsoChangedEvent(IsoValue(200, StopType.full)));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = Film.values.first).called(1);
           verify(() => meteringInteractor.iso = const IsoValue(200, StopType.full)).called(1);
         },
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
               .having((state) => state.ev, 'ev', 2.0)
-              .having((state) => state.film, 'film', Film.values.first)
               .having((state) => state.iso, 'iso', const IsoValue(200, StopType.full))
               .having((state) => state.nd, 'nd', NdValue.values.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -185,7 +180,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: null,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -194,14 +188,12 @@ void main() {
           bloc.add(const IsoChangedEvent(IsoValue(200, StopType.full)));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = Film.values.first).called(1);
           verify(() => meteringInteractor.iso = const IsoValue(200, StopType.full)).called(1);
         },
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', null)
               .having((state) => state.ev, 'ev', null)
-              .having((state) => state.film, 'film', Film.values.first)
               .having((state) => state.iso, 'iso', const IsoValue(200, StopType.full))
               .having((state) => state.nd, 'nd', NdValue.values.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -213,7 +205,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -222,7 +213,6 @@ void main() {
           bloc.add(const IsoChangedEvent(IsoValue(100, StopType.full)));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = Film.values.first).called(1);
           verifyNever(() => meteringInteractor.iso = const IsoValue(100, StopType.full));
         },
         expect: () => [],
@@ -233,7 +223,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -244,14 +233,12 @@ void main() {
           bloc.onCommunicationState(const communication_states.MeteringEndedState(2));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = Film.values.first).called(1);
           verify(() => meteringInteractor.iso = const IsoValue(200, StopType.full)).called(1);
         },
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
               .having((state) => state.ev, 'ev', 2.0)
-              .having((state) => state.film, 'film', Film.values.first)
               .having((state) => state.iso, 'iso', const IsoValue(200, StopType.full))
               .having((state) => state.nd, 'nd', NdValue.values.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -259,7 +246,6 @@ void main() {
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 2.0)
               .having((state) => state.ev, 'ev', 3.0)
-              .having((state) => state.film, 'film', Film.values.first)
               .having((state) => state.iso, 'iso', const IsoValue(200, StopType.full))
               .having((state) => state.nd, 'nd', NdValue.values.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -276,7 +262,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -291,7 +276,6 @@ void main() {
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
               .having((state) => state.ev, 'ev', 0.0)
-              .having((state) => state.film, 'film', Film.values[1])
               .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
               .having((state) => state.nd, 'nd', const NdValue(2))
               .having((state) => state.isMetering, 'isMetering', false),
@@ -303,7 +287,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: null,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -318,7 +301,6 @@ void main() {
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', null)
               .having((state) => state.ev, 'ev', null)
-              .having((state) => state.film, 'film', Film.values[1])
               .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
               .having((state) => state.nd, 'nd', const NdValue(2))
               .having((state) => state.isMetering, 'isMetering', false),
@@ -330,7 +312,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -349,7 +330,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -366,7 +346,6 @@ void main() {
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
               .having((state) => state.ev, 'ev', 0.0)
-              .having((state) => state.film, 'film', Film.values[1])
               .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
               .having((state) => state.nd, 'nd', const NdValue(2))
               .having((state) => state.isMetering, 'isMetering', false),
@@ -374,7 +353,6 @@ void main() {
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 2.0)
               .having((state) => state.ev, 'ev', 1.0)
-              .having((state) => state.film, 'film', Film.values[1])
               .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
               .having((state) => state.nd, 'nd', const NdValue(2))
               .having((state) => state.isMetering, 'isMetering', false),
@@ -383,115 +361,6 @@ void main() {
     },
   );
 
-  group(
-    '`FilmChangedEvent`',
-    () {
-      blocTest<MeteringBloc, MeteringState>(
-        'Pick different film with different ISO',
-        build: () => bloc,
-        seed: () => MeteringDataState(
-          ev100: 1.0,
-          film: const FomapanFilm.creative100(),
-          iso: const IsoValue(100, StopType.full),
-          nd: NdValue.values.first,
-          isMetering: false,
-        ),
-        act: (bloc) async {
-          bloc.add(const FilmChangedEvent(FomapanFilm.creative200()));
-        },
-        verify: (_) {
-          verify(() => meteringInteractor.film = const FomapanFilm.creative200()).called(1);
-          verify(() => meteringInteractor.iso = const IsoValue(200, StopType.full)).called(1);
-        },
-        expect: () => [
-          isA<MeteringDataState>()
-              .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.ev, 'ev', 2.0)
-              .having((state) => state.film, 'film', const FomapanFilm.creative200())
-              .having((state) => state.iso, 'iso', const IsoValue(200, StopType.full))
-              .having((state) => state.nd, 'nd', NdValue.values.first)
-              .having((state) => state.isMetering, 'isMetering', false),
-        ],
-      );
-
-      blocTest<MeteringBloc, MeteringState>(
-        'Pick different film with same ISO',
-        build: () => bloc,
-        seed: () => MeteringDataState(
-          ev100: 1.0,
-          film: const FomapanFilm.creative100(),
-          iso: const IsoValue(100, StopType.full),
-          nd: NdValue.values.first,
-          isMetering: false,
-        ),
-        act: (bloc) async {
-          bloc.add(const FilmChangedEvent(IlfordFilm.delta100()));
-        },
-        verify: (_) {
-          verify(() => meteringInteractor.film = const IlfordFilm.delta100()).called(1);
-          verifyNever(() => meteringInteractor.iso = const IsoValue(100, StopType.full));
-        },
-        expect: () => [
-          isA<MeteringDataState>()
-              .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.ev, 'ev', 1.0)
-              .having((state) => state.film, 'film', const IlfordFilm.delta100())
-              .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
-              .having((state) => state.nd, 'nd', NdValue.values.first)
-              .having((state) => state.isMetering, 'isMetering', false),
-        ],
-      );
-
-      blocTest<MeteringBloc, MeteringState>(
-        'Pick same film',
-        build: () => bloc,
-        seed: () => MeteringDataState(
-          ev100: 1.0,
-          film: const FomapanFilm.creative100(),
-          iso: const IsoValue(100, StopType.full),
-          nd: NdValue.values.first,
-          isMetering: false,
-        ),
-        act: (bloc) async {
-          bloc.add(const FilmChangedEvent(FomapanFilm.creative100()));
-        },
-        verify: (_) {
-          verifyNever(() => meteringInteractor.film = const FomapanFilm.creative100());
-        },
-        expect: () => [],
-      );
-
-      blocTest<MeteringBloc, MeteringState>(
-        'Pick `Film.other()`',
-        build: () => bloc,
-        seed: () => MeteringDataState(
-          ev100: 1.0,
-          film: const FomapanFilm.creative100(),
-          iso: const IsoValue(100, StopType.full),
-          nd: NdValue.values.first,
-          isMetering: false,
-        ),
-        act: (bloc) async {
-          bloc.add(const FilmChangedEvent(Film.other()));
-        },
-        verify: (_) {
-          verify(() => meteringInteractor.film = const Film.other()).called(1);
-          verifyNever(() => meteringInteractor.iso = const IsoValue(0, StopType.full));
-          verifyNever(() => meteringInteractor.responseVibration());
-        },
-        expect: () => [
-          isA<MeteringDataState>()
-              .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.ev, 'ev', 1.0)
-              .having((state) => state.film, 'film', const Film.other())
-              .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
-              .having((state) => state.nd, 'nd', NdValue.values.first)
-              .having((state) => state.isMetering, 'isMetering', false),
-        ],
-      );
-    },
-  );
-
   group(
     '`EquipmentProfileChangedEvent`',
     () {
@@ -509,7 +378,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values.first,
           isMetering: false,
@@ -518,7 +386,6 @@ void main() {
           bloc.add(EquipmentProfileChangedEvent(reducedProfile));
         },
         verify: (_) {
-          verifyNever(() => meteringInteractor.film = const Film.other());
           verifyNever(() => meteringInteractor.iso = reducedProfile.isoValues.first);
           verifyNever(() => meteringInteractor.ndFilter = reducedProfile.ndValues.first);
           verifyNever(() => meteringInteractor.responseVibration());
@@ -531,7 +398,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: IsoValue.values[2],
           nd: NdValue.values.first,
           isMetering: false,
@@ -540,7 +406,6 @@ void main() {
           bloc.add(EquipmentProfileChangedEvent(reducedProfile));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = const Film.other()).called(1);
           verify(() => meteringInteractor.iso = reducedProfile.isoValues.first).called(1);
           verifyNever(() => meteringInteractor.ndFilter = reducedProfile.ndValues.first);
           verify(() => meteringInteractor.responseVibration()).called(1);
@@ -548,7 +413,6 @@ void main() {
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.film, 'film', const Film.other())
               .having((state) => state.iso, 'iso', reducedProfile.isoValues.first)
               .having((state) => state.nd, 'nd', NdValue.values.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -560,7 +424,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: const IsoValue(100, StopType.full),
           nd: NdValue.values[4],
           isMetering: false,
@@ -569,7 +432,6 @@ void main() {
           bloc.add(EquipmentProfileChangedEvent(reducedProfile));
         },
         verify: (_) {
-          verifyNever(() => meteringInteractor.film = const Film.other());
           verifyNever(() => meteringInteractor.iso = reducedProfile.isoValues.first);
           verify(() => meteringInteractor.ndFilter = reducedProfile.ndValues.first).called(1);
           verify(() => meteringInteractor.responseVibration()).called(1);
@@ -577,7 +439,6 @@ void main() {
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.film, 'film', Film.values[1])
               .having((state) => state.iso, 'iso', const IsoValue(100, StopType.full))
               .having((state) => state.nd, 'nd', reducedProfile.ndValues.first)
               .having((state) => state.isMetering, 'isMetering', false),
@@ -589,7 +450,6 @@ void main() {
         build: () => bloc,
         seed: () => MeteringDataState(
           ev100: 1.0,
-          film: Film.values[1],
           iso: IsoValue.values[2],
           nd: NdValue.values[4],
           isMetering: false,
@@ -598,7 +458,6 @@ void main() {
           bloc.add(EquipmentProfileChangedEvent(reducedProfile));
         },
         verify: (_) {
-          verify(() => meteringInteractor.film = const Film.other()).called(1);
           verify(() => meteringInteractor.iso = reducedProfile.isoValues.first).called(1);
           verify(() => meteringInteractor.ndFilter = reducedProfile.ndValues.first).called(1);
           verify(() => meteringInteractor.responseVibration()).called(1);
@@ -606,7 +465,6 @@ void main() {
         expect: () => [
           isA<MeteringDataState>()
               .having((state) => state.ev100, 'ev100', 1.0)
-              .having((state) => state.film, 'film', const Film.other())
               .having((state) => state.iso, 'iso', reducedProfile.isoValues.first)
               .having((state) => state.nd, 'nd', reducedProfile.ndValues.first)
               .having((state) => state.isMetering, 'isMetering', false),

test/screens/metering/screen_metering_test.dart

@@ -1,6 +1,5 @@
 import 'package:flutter_test/flutter_test.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
-import 'package:lightmeter/data/models/film.dart';
 import 'package:lightmeter/screens/metering/screen_metering.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
@@ -19,7 +18,6 @@ void main() {
           ev,
           StopType.full,
           defaultEquipmentProfile,
-          const Film.other(),
         );
 
     test('isNan', () {
@@ -42,7 +40,6 @@ void main() {
             ev,
             StopType.full,
             defaultEquipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -142,7 +139,6 @@ void main() {
             ev,
             StopType.half,
             defaultEquipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -242,7 +238,6 @@ void main() {
             ev,
             StopType.third,
             defaultEquipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -356,7 +351,6 @@ void main() {
             ev,
             StopType.full,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -456,7 +450,6 @@ void main() {
             ev,
             StopType.half,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -556,7 +549,6 @@ void main() {
             ev,
             StopType.third,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -669,7 +661,6 @@ void main() {
             ev,
             StopType.full,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -769,7 +760,6 @@ void main() {
             ev,
             StopType.half,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {
@@ -869,7 +859,6 @@ void main() {
             ev,
             StopType.third,
             equipmentProfile,
-            const Film.other(),
           );
 
       test('EV 1', () {