Fixed _Build .apk_ flow

Fixed IAP stub in workflows (#110 )
* try using script for iap stub * typo * typo * typo * removed working dir * added comment to stub_iap.sh * checkout first * increment build number by script * Update increment_build_number.sh * fixed iap repo * stub
2024-11-25 08:50:40 +00:00 · 2023-09-02 13:08:58 +02:00 · 2023-09-02 12:45:57 +02:00 · 2023-09-02 10:32:08 +02:00
50 changed files with 1623 additions and 298 deletions
--- a/.github/scripts/increment_build_number.sh
+++ b/.github/scripts/increment_build_number.sh
@ -0,0 +1,8 @@
+export newVersion="$1"
+
+if [[ -n "$newVersion" ]]; then
+    #https://stackoverflow.com/a/30214769/13167574
+    perl -i -pe 's/^(version:\s+)(\d+\.\d+\.\d+)(\+)(\d+)$/$1.$ENV{'newVersion'}.$3.($4+1)/e' pubspec.yaml
+else
+    echo "argument error"
+fi
--- a/.github/scripts/stub_iap.sh
+++ b/.github/scripts/stub_iap.sh
@ -0,0 +1,2 @@
+# https://unix.stackexchange.com/questions/435708/regex-multiline-pattern-and-substitution-replacement
+perl -0777 -i -pe 's/(  m3_lightmeter_iap:\n)(    git:\n      url: "https:\/\/github.com\/vodemn\/m3_lightmeter_iap"\n      ref: main)/$1    path: iap/sg' pubspec.yaml
--- a/.github/workflows/build_apk.yml
+++ b/.github/workflows/build_apk.yml
@ -16,18 +16,31 @@ on:
          - dev
          - prod
        default: 'dev'
+      include-iap:
+        type: boolean
+        description: Include IAP package
+        default: true

 jobs:
  build:
    name: Build .apk
    runs-on: macos-11
    timeout-minutes: 15
-
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive

+      - name: Connect private iap package
+        uses: webfactory/ssh-agent@v0.8.0
+        if: ${{ inputs.include-iap }}
+        with:
+          ssh-private-key: ${{ secrets.M3_LIGHTMETER_IAP_KEY }}
+
+      - name: Override iap package with stub
+        if: ${{ !inputs.include-iap }}
+        run: bash ./.github/scripts/stub_iap.sh
+        
      - uses: actions/setup-java@v2
        with:
          distribution: "zulu"
@ -73,10 +86,10 @@ jobs:
          flutter pub get
          flutter pub run intl_utils:generate

-      - name: Build Apk
+      - name: Build .apk
        env:
          FLAVOR: ${{ github.event.inputs.flavor }}
-        run: flutter build apk --release --flavor $FLAVOR --dart-define c -t lib/main_$FLAVOR.dart
+        run: flutter build apk --release --flavor $FLAVOR --dart-define cameraPreviewAspectRatio=240/320 -t lib/main_$FLAVOR.dart

      - name: Upload artifact
        uses: actions/upload-artifact@v3
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@ -31,6 +31,10 @@ on:
        type: boolean
        description: Create Google Play release
        default: true
+      include-iap:
+        type: boolean
+        description: Include IAP package
+        default: true

 env:
  BUILD_ARGS: --release --flavor prod --dart-define cameraPreviewAspectRatio=240/320 -t lib/main_prod.dart
@ -38,7 +42,7 @@ env:
 jobs:
  build:
    name: Build .apk & .aab
-    if: ${{ inputs.github-release }} || ${{ inputs.google-play-release }}
+    if: ${{ inputs.github-release || inputs.google-play-release }}
    runs-on: macos-11
    timeout-minutes: 30
    steps:
@ -46,6 +50,16 @@ jobs:
        with:
          submodules: recursive

+      - name: Connect private iap package
+        uses: webfactory/ssh-agent@v0.8.0
+        if: ${{ inputs.include-iap }}
+        with:
+          ssh-private-key: ${{ secrets.M3_LIGHTMETER_IAP_KEY }}
+
+      - name: Override iap package with stub
+        if: ${{ !inputs.include-iap }}
+        run: bash ./.github/scripts/stub_iap.sh
+
      - uses: actions/setup-java@v3
        with:
          distribution: "zulu"
@ -83,7 +97,7 @@ jobs:
      # Therefore here we have to increment it as well to build an apk with the same build number.
      - name: Increment build number & replace version number
        if: ${{ inputs.github-release }}
-        run: perl -i -pe 's/^(version:\s+)(\d+\.\d+\.\d+)(\+)(\d+)$/$1."${{ github.event.inputs.version }}".$3.($4+1)/e' pubspec.yaml
+        run: bash ./.github/scripts/increment_build_number.sh ${{ github.event.inputs.version }}

      - name: Install Flutter
        uses: subosito/flutter-action@v2
@ -145,7 +159,7 @@ jobs:
          submodules: recursive

      - name: Increment build number & replace version number
-        run: perl -i -pe 's/^(version:\s+)(\d+\.\d+\.\d+)(\+)(\d+)$/$1."${{ github.event.inputs.version }}".$3.($4+1)/e' pubspec.yaml
+        run: bash ./.github/scripts/increment_build_number.sh ${{ github.event.inputs.version }}

      - name: Commit changes
        run: |
--- a/.github/workflows/pr_check.yml
+++ b/.github/workflows/pr_check.yml
@ -16,16 +16,25 @@ jobs:
    name: Analyze & test
    runs-on: macos-11
    timeout-minutes: 10
-
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: recursive

+      - name: Connect private iap package
+        uses: webfactory/ssh-agent@v0.8.0
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
+        with:
+          ssh-private-key: ${{ secrets.M3_LIGHTMETER_IAP_KEY }}
+
+      - name: Override iap package with stub
+        if: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
+        run: bash ./.github/scripts/stub_iap.sh
+
      - uses: subosito/flutter-action@v2
        with:
          channel: "stable"
-          flutter-version: '3.10.0'
+          flutter-version: "3.10.0"

      - name: Prepare flutter project
        run: |
@ -37,4 +46,4 @@ jobs:
        run: flutter analyze lib --fatal-infos

      - name: Run tests
-        run: flutter test
+        run: flutter test
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@ -31,6 +31,7 @@
        {
            "name": "prod (android)",
            "request": "launch",
+            //"flutterMode": "release",
            "type": "dart",
            "args": [
                "--flavor",
@ -43,6 +44,7 @@
        {
            "name": "prod (ios)",
            "request": "launch",
+            //"flutterMode": "release",
            "type": "dart",
            "args": [
                "--flavor",
--- a/README.md
+++ b/README.md
@ -39,7 +39,22 @@ Out of the box Firebase Crashlytics won't work. If you want to add Crashlytics t

 ### 3. Get packages

-Fetch all the neccessary dependencies and generate translation files by running the following commands:
+As part of the app's functionallity is in the private repo, you have to replace these lines in _pubspec.yaml_:
+
+```yaml
+m3_lightmeter_iap:
+  git:
+    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.
+
+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
@ -69,4 +84,4 @@ Apple does not provide API for reading Lux stream form the ambient light sensor.

 ## Volume buttons action

-This can be [implemented](https://stackoverflow.com/questions/70161271/ios-override-hardware-volume-buttons-same-as-zello) but the app will be rejected due to [2.5.9](https://developer.apple.com/app-store/review/guidelines/#software-requirements)
+This can be [implemented](https://stackoverflow.com/questions/70161271/ios-override-hardware-volume-buttons-same-as-zello) but the app will be rejected due to [2.5.9](https://developer.apple.com/app-store/review/guidelines/#software-requirements)
--- a/iap/.gitignore
+++ b/iap/.gitignore
@ -0,0 +1,36 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+.packages
+build/
+
+.fvm/
+*.properties
+ios/Flutter/
+.flutter-plugins
+.flutter-plugins-dependencies
--- a/iap/.metadata
+++ b/iap/.metadata
@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 9944297138845a94256f1cf37beb88ff9a8e811a
+  channel: stable
+
+project_type: package
--- a/iap/LICENSE
+++ b/iap/LICENSE
@ -0,0 +1 @@
+TODO: Add your license here.
--- a/iap/analysis_options.yaml
+++ b/iap/analysis_options.yaml
@ -0,0 +1,4 @@
+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
--- a/iap/lib/m3_lightmeter_iap.dart
+++ b/iap/lib/m3_lightmeter_iap.dart
@ -0,0 +1,30 @@
+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/iap_products_provider.dart';
+
+export 'src/data/models/iap_product.dart';
+
+export 'src/providers/equipment_profile_provider.dart' hide EquipmentProfilesAspect;
+export 'src/providers/iap_products_provider.dart';
+
+class IAPProviders extends StatelessWidget {
+  final Object sharedPreferences;
+  final Widget child;
+
+  const IAPProviders({
+    required this.sharedPreferences,
+    required this.child,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return IAPProductsProvider(
+      child: EquipmentProfileProvider(
+        child: child,
+      ),
+    );
+  }
+}
--- a/iap/lib/src/data/models/iap_product.dart
+++ b/iap/lib/src/data/models/iap_product.dart
@ -0,0 +1,13 @@
+enum IAPProductStatus {
+  purchasable,
+  pending,
+  purchased,
+}
+
+enum IAPProductType { paidFeatures }
+
+abstract class IAPProduct {
+  const IAPProduct._();
+
+  IAPProductStatus get status => IAPProductStatus.purchasable;
+}
--- a/iap/lib/src/providers/equipment_profile_provider.dart
+++ b/iap/lib/src/providers/equipment_profile_provider.dart
@ -0,0 +1,79 @@
+import 'package:flutter/material.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
+
+class EquipmentProfileProvider extends StatefulWidget {
+  final Widget child;
+
+  const EquipmentProfileProvider({required this.child, super.key});
+
+  static EquipmentProfileProviderState of(BuildContext context) {
+    return context.findAncestorStateOfType<EquipmentProfileProviderState>()!;
+  }
+
+  @override
+  State<EquipmentProfileProvider> createState() => EquipmentProfileProviderState();
+}
+
+class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
+  static const EquipmentProfile _defaultProfile = EquipmentProfile(
+    id: '',
+    name: '',
+    apertureValues: ApertureValue.values,
+    ndValues: NdValue.values,
+    shutterSpeedValues: ShutterSpeedValue.values,
+    isoValues: IsoValue.values,
+  );
+
+  @override
+  Widget build(BuildContext context) {
+    return EquipmentProfiles(
+      profiles: const [_defaultProfile],
+      selected: _defaultProfile,
+      child: widget.child,
+    );
+  }
+
+  void setProfile(EquipmentProfile data) {}
+
+  void addProfile(String name) {}
+
+  void updateProdile(EquipmentProfile data) {}
+
+  void deleteProfile(EquipmentProfile data) {}
+}
+
+enum EquipmentProfilesAspect { list, selected }
+
+class EquipmentProfiles extends InheritedModel<EquipmentProfilesAspect> {
+  const EquipmentProfiles({
+    super.key,
+    required this.profiles,
+    required this.selected,
+    required super.child,
+  });
+
+  final List<EquipmentProfile> profiles;
+  final EquipmentProfile selected;
+
+  static List<EquipmentProfile> of(BuildContext context) {
+    return InheritedModel.inheritFrom<EquipmentProfiles>(
+      context,
+      aspect: EquipmentProfilesAspect.list,
+    )!
+        .profiles;
+  }
+
+  static EquipmentProfile selectedOf(BuildContext context) {
+    return InheritedModel.inheritFrom<EquipmentProfiles>(
+      context,
+      aspect: EquipmentProfilesAspect.selected,
+    )!
+        .selected;
+  }
+
+  @override
+  bool updateShouldNotify(EquipmentProfiles oldWidget) => false;
+
+  @override
+  bool updateShouldNotifyDependent(EquipmentProfiles oldWidget, Set<EquipmentProfilesAspect> dependencies) => false;
+}
--- a/iap/lib/src/providers/iap_products_provider.dart
+++ b/iap/lib/src/providers/iap_products_provider.dart
@ -0,0 +1,47 @@
+import 'package:flutter/material.dart';
+import 'package:m3_lightmeter_iap/src/data/models/iap_product.dart';
+
+class IAPProductsProvider extends StatefulWidget {
+  final Widget child;
+
+  const IAPProductsProvider({required this.child, super.key});
+
+  static IAPProductsProviderState of(BuildContext context) {
+    return context.findAncestorStateOfType<IAPProductsProviderState>()!;
+  }
+
+  @override
+  State<IAPProductsProvider> createState() => IAPProductsProviderState();
+}
+
+class IAPProductsProviderState extends State<IAPProductsProvider> {
+  @override
+  Widget build(BuildContext context) {
+    return IAPProducts(
+      products: const [],
+      child: widget.child,
+    );
+  }
+
+  Future<void> buy(IAPProductType type) async {}
+}
+
+class IAPProducts extends InheritedModel<IAPProductType> {
+  final List<IAPProduct> products;
+
+  const IAPProducts({
+    required this.products,
+    required super.child,
+    super.key,
+  });
+
+  static IAPProduct? productOf(BuildContext context, IAPProductType type) => null;
+
+  static bool isPurchased(BuildContext context, IAPProductType type) => false;
+
+  @override
+  bool updateShouldNotify(IAPProducts oldWidget) => false;
+
+  @override
+  bool updateShouldNotifyDependent(covariant IAPProducts oldWidget, Set<IAPProductType> dependencies) => false;
+}
--- a/iap/pubspec.yaml
+++ b/iap/pubspec.yaml
@ -0,0 +1,25 @@
+name: m3_lightmeter_iap
+description: IAP stubs for the M3 Lightmeter app.
+version: 0.2.0
+publish_to: 'none'
+
+environment:
+  sdk: '>=2.19.2 <3.0.0'
+  flutter: ">=1.17.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  m3_lightmeter_resources:
+    git:
+      url: "https://github.com/vodemn/m3_lightmeter_resources"
+      ref: main
+  shared_preferences: 2.2.0
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^2.0.0
+
+flutter:
+  uses-material-design: true
--- a/ios/Runner.xcodeproj/project.pbxproj
+++ b/ios/Runner.xcodeproj/project.pbxproj
@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 54;
 	objects = {

 /* Begin PBXBuildFile section */
@ -237,6 +237,7 @@
 		};
 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@ -268,6 +269,7 @@
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@ -371,7 +373,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@ -500,7 +502,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@ -523,7 +525,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@ -600,7 +602,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@ -675,7 +677,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
@ -747,7 +749,7 @@
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
-				DEVELOPMENT_TEAM = 74JQ9DBXY6;
+				DEVELOPMENT_TEAM = 489Z6UQMGN;
 				ENABLE_BITCODE = NO;
 				INFOPLIST_FILE = Runner/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = (
--- a/lib/application.dart
+++ b/lib/application.dart
@ -10,11 +10,11 @@ import 'package:lightmeter/data/shared_prefs_service.dart';
 import 'package:lightmeter/data/volume_events_service.dart';
 import 'package:lightmeter/environment.dart';
 import 'package:lightmeter/generated/l10n.dart';
-import 'package:lightmeter/providers/equipment_profile_provider.dart';
 import 'package:lightmeter/providers/services_provider.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
 import 'package:lightmeter/screens/metering/flow_metering.dart';
 import 'package:lightmeter/screens/settings/flow_settings.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:platform/platform.dart';
 import 'package:shared_preferences/shared_preferences.dart';

@ -32,16 +32,18 @@ class Application extends StatelessWidget {
      ]),
      builder: (_, snapshot) {
        if (snapshot.data != null) {
-          return ServicesProvider(
-            caffeineService: const CaffeineService(),
-            environment: env.copyWith(hasLightSensor: snapshot.data![1] as bool),
-            hapticsService: const HapticsService(),
-            lightSensorService: const LightSensorService(LocalPlatform()),
-            permissionsService: const PermissionsService(),
-            userPreferencesService: UserPreferencesService(snapshot.data![0] as SharedPreferences),
-            volumeEventsService: const VolumeEventsService(LocalPlatform()),
-            child: UserPreferencesProvider(
-              child: EquipmentProfileProvider(
+          return IAPProviders(
+            sharedPreferences: snapshot.data![0] as SharedPreferences,
+            child: ServicesProvider(
+              caffeineService: const CaffeineService(),
+              environment: env.copyWith(hasLightSensor: snapshot.data![1] as bool),
+              hapticsService: const HapticsService(),
+              lightSensorService: const LightSensorService(LocalPlatform()),
+              permissionsService: const PermissionsService(),
+              userPreferencesService:
+                  UserPreferencesService(snapshot.data![0] as SharedPreferences),
+              volumeEventsService: const VolumeEventsService(LocalPlatform()),
+              child: UserPreferencesProvider(
                child: Builder(
                  builder: (context) {
                    final theme = UserPreferencesProvider.themeOf(context);
--- a/lib/data/models/exposure_pair.dart
+++ b/lib/data/models/exposure_pair.dart
@ -8,4 +8,16 @@ class ExposurePair {

  @override
  String toString() => '$aperture - $shutterSpeed';
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    if (other.runtimeType != runtimeType) return false;
+    return other is ExposurePair &&
+        other.aperture == aperture &&
+        other.shutterSpeed == shutterSpeed;
+  }
+
+  @override
+  int get hashCode => Object.hash(aperture, shutterSpeed, runtimeType);
 }
--- a/lib/data/models/film.dart
+++ b/lib/data/models/film.dart
@ -13,6 +13,8 @@ double log10polynomian(
 ) =>
    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
 ///
--- a/lib/data/models/metering_screen_layout_config.dart
+++ b/lib/data/models/metering_screen_layout_config.dart
@ -1,9 +1,14 @@
-enum MeteringScreenLayoutFeature { extremeExposurePairs, filmPicker, histogram }
+enum MeteringScreenLayoutFeature {
+  extremeExposurePairs,
+  filmPicker,
+  histogram,
+  equipmentProfiles,
+}

 typedef MeteringScreenLayoutConfig = Map<MeteringScreenLayoutFeature, bool>;

 extension MeteringScreenLayoutConfigJson on MeteringScreenLayoutConfig {
- static MeteringScreenLayoutConfig fromJson(Map<String, dynamic> data) =>
+  static MeteringScreenLayoutConfig fromJson(Map<String, dynamic> data) =>
      <MeteringScreenLayoutFeature, bool>{
        for (final f in MeteringScreenLayoutFeature.values)
          f: data[f.index.toString()] as bool? ?? true
--- a/lib/data/shared_prefs_service.dart
+++ b/lib/data/shared_prefs_service.dart
@ -95,6 +95,7 @@ class UserPreferencesService {
      );
    } else {
      return {
+        MeteringScreenLayoutFeature.equipmentProfiles: true,
        MeteringScreenLayoutFeature.extremeExposurePairs: true,
        MeteringScreenLayoutFeature.filmPicker: true,
        MeteringScreenLayoutFeature.histogram: true,
@ -147,10 +148,4 @@ class UserPreferencesService {
        orElse: () => Film.values.first,
      );
  set film(Film value) => _sharedPreferences.setString(filmKey, value.name);
-
-  String get selectedEquipmentProfileId => ''; // coverage:ignore-line
-  set selectedEquipmentProfileId(String id) {} // coverage:ignore-line
-
-  List<EquipmentProfile> get equipmentProfiles => []; // coverage:ignore-line
-  set equipmentProfiles(List<EquipmentProfile> profiles) {} // coverage:ignore-line
 }
--- a/lib/features.dart
+++ b/lib/features.dart
@ -1,3 +0,0 @@
-class FeaturesConfig {
-  static const bool equipmentProfilesEnabled = false;
-}
--- a/lib/l10n/intl_en.arb
+++ b/lib/l10n/intl_en.arb
@ -54,6 +54,7 @@
    "isoValuesFilterDescription": "Select the ISO values to display. These may be your most commonly used values or those supported by your camera.",
    "equipmentProfile": "Equipment profile",
    "equipmentProfiles": "Equipment profiles",
+    "tapToAdd": "Tap to add",
    "general": "General",
    "keepScreenOn": "Keep screen on",
    "haptics": "Haptics",
@ -86,4 +87,4 @@
            }
        }
    }
-}
+}
--- a/lib/l10n/intl_fr.arb
+++ b/lib/l10n/intl_fr.arb
@ -42,6 +42,7 @@
    "film": "Pellicule",
    "equipment": "Équipement",
    "equipmentProfileName": "Nom du profil de l'équipement",
+    "tapToAdd": "Appuie pour ajouter",
    "equipmentProfileNameHint": "Praktica MTL5B",
    "equipmentProfileAllValues": "Tout",
    "apertureValues": "Valeurs Aperture",
@ -86,4 +87,4 @@
            }
        }
    }
-}
+}
--- a/lib/l10n/intl_ru.arb
+++ b/lib/l10n/intl_ru.arb
@ -54,6 +54,7 @@
    "isoValuesFilterDescription": "Выберите значения ISO для отображения. Это может быть наиболее часто используемые значения или значения, поддерживаемые вашей камерой.",
    "equipmentProfile": "Оборудование",
    "equipmentProfiles": "Профили оборудования",
+    "tapToAdd": "Нажмите, чтобы добавить",
    "general": "Общие",
    "keepScreenOn": "Запрет блокировки",
    "haptics": "Вибрация",
@ -86,4 +87,4 @@
            }
        }
    }
-}
+}
--- a/lib/l10n/intl_zh.arb
+++ b/lib/l10n/intl_zh.arb
@ -54,6 +54,7 @@
    "isoValuesFilterDescription": "选择要显示的 ISO。这些值可能是您最常用的值，也可能是相机支持的值。",
    "equipmentProfile": "设备配置",
    "equipmentProfiles": "设备配置",
+    "tapToAdd": "點擊添加",
    "general": "通用",
    "keepScreenOn": "保持屏幕常亮",
    "haptics": "震动",
--- a/lib/providers/equipment_profile_provider.dart
+++ b/lib/providers/equipment_profile_provider.dart
@ -1,139 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:lightmeter/providers/services_provider.dart';
-import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
-import 'package:uuid/uuid.dart';
-
-// TODO(@vodemn): This will be removed in #89
-class EquipmentProfileProvider extends StatefulWidget {
-  final Widget child;
-
-  const EquipmentProfileProvider({required this.child, super.key});
-
-  static EquipmentProfileProviderState of(BuildContext context) {
-    return context.findAncestorStateOfType<EquipmentProfileProviderState>()!;
-  }
-
-  @override
-  State<EquipmentProfileProvider> createState() => EquipmentProfileProviderState();
-}
-
-class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
-  static const EquipmentProfile _defaultProfile = EquipmentProfile(
-    id: '',
-    name: '',
-    apertureValues: ApertureValue.values,
-    ndValues: NdValue.values,
-    shutterSpeedValues: ShutterSpeedValue.values,
-    isoValues: IsoValue.values,
-  );
-
-  List<EquipmentProfile> _customProfiles = [];
-  String _selectedId = '';
-
-  EquipmentProfile get _selectedProfile => _customProfiles.firstWhere(
-        (e) => e.id == _selectedId,
-        orElse: () {
-          ServicesProvider.of(context).userPreferencesService.selectedEquipmentProfileId =
-              _defaultProfile.id;
-          return _defaultProfile;
-        },
-      );
-
-  @override
-  void initState() {
-    super.initState();
-    _selectedId = ServicesProvider.of(context).userPreferencesService.selectedEquipmentProfileId;
-    _customProfiles = ServicesProvider.of(context).userPreferencesService.equipmentProfiles;
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return EquipmentProfiles(
-      profiles: [_defaultProfile] + _customProfiles,
-      selected: _selectedProfile,
-      child: widget.child,
-    );
-  }
-
-  void setProfile(EquipmentProfile data) {
-    setState(() {
-      _selectedId = data.id;
-    });
-    ServicesProvider.of(context).userPreferencesService.selectedEquipmentProfileId =
-        _selectedProfile.id;
-  }
-
-  /// Creates a default equipment profile
-  void addProfile(String name) {
-    _customProfiles.add(
-      EquipmentProfile(
-        id: const Uuid().v1(),
-        name: name,
-        apertureValues: ApertureValue.values,
-        ndValues: NdValue.values,
-        shutterSpeedValues: ShutterSpeedValue.values,
-        isoValues: IsoValue.values,
-      ),
-    );
-    _refreshSavedProfiles();
-  }
-
-  void updateProdile(EquipmentProfile data) {
-    final indexToUpdate = _customProfiles.indexWhere((element) => element.id == data.id);
-    if (indexToUpdate >= 0) {
-      _customProfiles[indexToUpdate] = data;
-      _refreshSavedProfiles();
-    }
-  }
-
-  void deleteProfile(EquipmentProfile data) {
-    _customProfiles.remove(data);
-    _refreshSavedProfiles();
-  }
-
-  void _refreshSavedProfiles() {
-    ServicesProvider.of(context).userPreferencesService.equipmentProfiles = _customProfiles;
-    setState(() {});
-  }
-}
-
-// Copied from #89
-enum EquipmentProfilesAspect { list, selected }
-
-class EquipmentProfiles extends InheritedModel<EquipmentProfilesAspect> {
-  const EquipmentProfiles({
-    super.key,
-    required this.profiles,
-    required this.selected,
-    required super.child,
-  });
-
-  final List<EquipmentProfile> profiles;
-  final EquipmentProfile selected;
-
-  static List<EquipmentProfile> of(BuildContext context) {
-    return InheritedModel.inheritFrom<EquipmentProfiles>(
-      context,
-      aspect: EquipmentProfilesAspect.list,
-    )!
-        .profiles;
-  }
-
-  static EquipmentProfile selectedOf(BuildContext context) {
-    return InheritedModel.inheritFrom<EquipmentProfiles>(
-      context,
-      aspect: EquipmentProfilesAspect.selected,
-    )!
-        .selected;
-  }
-
-  @override
-  bool updateShouldNotify(EquipmentProfiles oldWidget) => false;
-
-  @override
-  bool updateShouldNotifyDependent(
-    EquipmentProfiles oldWidget,
-    Set<EquipmentProfilesAspect> dependencies,
-  ) =>
-      false;
-}
--- a/lib/res/dimens.dart
+++ b/lib/res/dimens.dart
@ -14,7 +14,6 @@ class Dimens {
  static const double grid48 = 48;
  static const double grid56 = 56;
  static const double grid72 = 72;
-  static const double grid168 = 168;

  static const double paddingS = 8;
  static const double paddingM = 16;
@ -30,6 +29,8 @@ class Dimens {
  static const double enabledOpacity = 1.0;
  static const double disabledOpacity = 0.38;

+  static const double sliverAppBarExpandedHeight = 168;
+
  // TopBar
  static const double readingContainerDoubleValueHeight = 128;
  static const double readingContainerSingleValueHeight = 76;
--- a/lib/screens/metering/components/camera_container/bloc_container_camera.dart
+++ b/lib/screens/metering/components/camera_container/bloc_container_camera.dart
@ -18,7 +18,7 @@ import 'package:lightmeter/screens/metering/components/camera_container/event_co
 import 'package:lightmeter/screens/metering/components/camera_container/models/camera_error_type.dart';
 import 'package:lightmeter/screens/metering/components/camera_container/state_container_camera.dart';
 import 'package:lightmeter/screens/metering/components/shared/ev_source_base/bloc_base_ev_source.dart';
-import 'package:lightmeter/utils/log_2.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';

 class CameraContainerBloc extends EvSourceBlocBase<CameraContainerEvent, CameraContainerState> {
  final MeteringInteractor _meteringInteractor;
--- a/lib/screens/metering/components/camera_container/widget_container_camera.dart
+++ b/lib/screens/metering/components/camera_container/widget_container_camera.dart
@ -5,7 +5,6 @@ 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/features.dart';
 import 'package:lightmeter/platform_config.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
 import 'package:lightmeter/res/dimens.dart';
@ -110,7 +109,10 @@ class CameraContainer extends StatelessWidget {

  double _meteringContainerHeight(BuildContext context) {
    double enabledFeaturesHeight = 0;
-    if (FeaturesConfig.equipmentProfilesEnabled) {
+    if (UserPreferencesProvider.meteringScreenFeatureOf(
+      context,
+      MeteringScreenLayoutFeature.equipmentProfiles,
+    )) {
      enabledFeaturesHeight += Dimens.readingContainerSingleValueHeight;
      enabledFeaturesHeight += Dimens.paddingS;
    }
@ -133,7 +135,7 @@ class CameraContainer extends StatelessWidget {
  }

  double _cameraPreviewHeight(BuildContext context) {
-    return ((MediaQuery.of(context).size.width - Dimens.grid8 - 2 * Dimens.paddingM) / 2) /
+    return ((MediaQuery.sizeOf(context).width - Dimens.grid8 - 2 * Dimens.paddingM) / 2) /
        PlatformConfig.cameraPreviewAspectRatio;
  }
 }
--- a/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart
+++ b/lib/screens/metering/components/light_sensor_container/bloc_container_light_sensor.dart
@ -10,7 +10,7 @@ import 'package:lightmeter/screens/metering/communication/state_communication_me
 import 'package:lightmeter/screens/metering/components/light_sensor_container/event_container_light_sensor.dart';
 import 'package:lightmeter/screens/metering/components/light_sensor_container/state_container_light_sensor.dart';
 import 'package:lightmeter/screens/metering/components/shared/ev_source_base/bloc_base_ev_source.dart';
-import 'package:lightmeter/utils/log_2.dart';
+import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';

 class LightSensorContainerBloc
    extends EvSourceBlocBase<LightSensorContainerEvent, LightSensorContainerState> {
--- a/lib/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart
+++ b/lib/screens/metering/components/shared/exposure_pairs_list/widget_list_exposure_pairs.dart
@ -1,9 +1,10 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/data/models/exposure_pair.dart';
+import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';

-import 'package:lightmeter/screens/metering/components/shared/exposure_pairs_list/components/empty_exposure_pairs_list/widget_list_exposure_pairs_empty.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';

 class ExposurePairsList extends StatelessWidget {
  final List<ExposurePair> exposurePairs;
@ -15,7 +16,10 @@ class ExposurePairsList extends StatelessWidget {
    return AnimatedSwitcher(
      duration: Dimens.switchDuration,
      child: exposurePairs.isEmpty
-          ? const EmptyExposurePairsList()
+          ? IconPlaceholder(
+              icon: Icons.not_interested,
+              text: S.of(context).noExposurePairs,
+            )
          : Stack(
              alignment: Alignment.center,
              children: [
--- a/lib/screens/metering/components/shared/readings_container/widget_container_readings.dart
+++ b/lib/screens/metering/components/shared/readings_container/widget_container_readings.dart
@ -2,13 +2,12 @@ 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/features.dart';
 import 'package:lightmeter/generated/l10n.dart';
-import 'package:lightmeter/providers/equipment_profile_provider.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/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 ReadingsContainer extends StatelessWidget {
@ -38,7 +37,10 @@ class ReadingsContainer extends StatelessWidget {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: [
-        if (FeaturesConfig.equipmentProfilesEnabled) ...[
+        if (UserPreferencesProvider.meteringScreenFeatureOf(
+          context,
+          MeteringScreenLayoutFeature.equipmentProfiles,
+        )) ...[
          const _EquipmentProfilePicker(),
          const _InnerPadding(),
        ],
--- a/lib/screens/metering/screen_metering.dart
+++ b/lib/screens/metering/screen_metering.dart
@ -6,7 +6,6 @@ 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/equipment_profile_provider.dart';
 import 'package:lightmeter/providers/services_provider.dart';
 import 'package:lightmeter/providers/user_preferences_provider.dart';
 import 'package:lightmeter/screens/metering/bloc_metering.dart';
@ -17,6 +16,7 @@ import 'package:lightmeter/screens/metering/event_metering.dart';
 import 'package:lightmeter/screens/metering/state_metering.dart';
 import 'package:lightmeter/screens/metering/utils/listener_metering_layout_feature.dart';
 import 'package:lightmeter/screens/metering/utils/listsner_equipment_profiles.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';

 class MeteringScreen extends StatelessWidget {
@ -31,7 +31,7 @@ class MeteringScreen extends StatelessWidget {
          children: [
            Expanded(
              child: BlocBuilder<MeteringBloc, MeteringState>(
-                builder: (_, state) => _MeteringContainerBuidler(
+                builder: (_, state) => MeteringContainerBuidler(
                  ev: state is MeteringDataState ? state.ev : null,
                  film: state.film,
                  iso: state.iso,
@ -80,15 +80,25 @@ class _InheritedListeners extends StatelessWidget {
      child: MeteringScreenLayoutFeatureListener(
        feature: MeteringScreenLayoutFeature.filmPicker,
        onDidChangeDependencies: (value) {
-          if (!value) context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
+          if (!value) {
+            context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
+          }
        },
-        child: child,
+        child: MeteringScreenLayoutFeatureListener(
+          feature: MeteringScreenLayoutFeature.equipmentProfiles,
+          onDidChangeDependencies: (value) {
+            if (!value) {
+              EquipmentProfileProvider.of(context).setProfile(EquipmentProfiles.of(context).first);
+            }
+          },
+          child: child,
+        ),
      ),
    );
  }
 }

-class _MeteringContainerBuidler extends StatelessWidget {
+class MeteringContainerBuidler extends StatelessWidget {
  final double? ev;
  final Film film;
  final IsoValue iso;
@ -97,7 +107,7 @@ class _MeteringContainerBuidler extends StatelessWidget {
  final ValueChanged<IsoValue> onIsoChanged;
  final ValueChanged<NdValue> onNdChanged;

-  const _MeteringContainerBuidler({
+  const MeteringContainerBuidler({
    required this.ev,
    required this.film,
    required this.iso,
@ -109,7 +119,14 @@ class _MeteringContainerBuidler extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
-    final exposurePairs = ev != null ? buildExposureValues(context, ev!, film) : <ExposurePair>[];
+    final exposurePairs = ev != null
+        ? buildExposureValues(
+            ev!,
+            UserPreferencesProvider.stopTypeOf(context),
+            EquipmentProfiles.selectedOf(context),
+            film,
+          )
+        : <ExposurePair>[];
    final fastest = exposurePairs.isNotEmpty ? exposurePairs.first : null;
    final slowest = exposurePairs.isNotEmpty ? exposurePairs.last : null;
    // Doubled build here when switching evSourceType. As new source bloc fires a new state on init
@ -138,39 +155,28 @@ class _MeteringContainerBuidler extends StatelessWidget {
          );
  }

-  List<ExposurePair> buildExposureValues(BuildContext context, double ev, Film film) {
+  @visibleForTesting
+  static List<ExposurePair> buildExposureValues(
+    double ev,
+    StopType stopType,
+    EquipmentProfile equipmentProfile,
+    Film film,
+  ) {
    if (ev.isNaN || ev.isInfinite) {
      return List.empty();
    }

    /// Depending on the `stopType` the exposure pairs list length is multiplied by 1,2 or 3
-    final StopType stopType = UserPreferencesProvider.stopTypeOf(context);
    final int evSteps = (ev * (stopType.index + 1)).round();

-    final EquipmentProfile equipmentProfile = EquipmentProfiles.selectedOf(context);
-    final List<ApertureValue> apertureValues =
-        equipmentProfile.apertureValues.whereStopType(stopType);
-    final List<ShutterSpeedValue> shutterSpeedValues =
-        equipmentProfile.shutterSpeedValues.whereStopType(stopType);
+    final apertureValues = ApertureValue.values.whereStopType(stopType);
+    final shutterSpeedValues = ShutterSpeedValue.values.whereStopType(stopType);

    /// Basically we use 1" shutter speed as an anchor point for building the exposure pairs list.
    /// But user can exclude this value from the list using custom equipment profile.
    /// So we have to restore the index of the anchor value.
-    const ShutterSpeedValue anchorShutterSpeed = ShutterSpeedValue(1, false, StopType.full);
-    int anchorIndex = shutterSpeedValues.indexOf(anchorShutterSpeed);
-    if (anchorIndex < 0) {
-      final filteredFullList = ShutterSpeedValue.values.whereStopType(stopType);
-      final customListStartIndex = filteredFullList.indexOf(shutterSpeedValues.first);
-      final fullListAnchor = filteredFullList.indexOf(anchorShutterSpeed);
-      if (customListStartIndex < fullListAnchor) {
-        /// This means, that user excluded anchor value at the end,
-        /// i.e. all shutter speed values are shorter than 1".
-        anchorIndex = fullListAnchor - customListStartIndex;
-      } else {
-        /// In case user excludes anchor value at the start,
-        /// we can do no adjustment.
-      }
-    }
+    const anchorShutterSpeed = ShutterSpeedValue(1, false, StopType.full);
+    final int anchorIndex = shutterSpeedValues.indexOf(anchorShutterSpeed);
    final int evOffset = anchorIndex - evSteps;

    late final int apertureOffset;
@ -189,10 +195,11 @@ class _MeteringContainerBuidler extends StatelessWidget {
        ) -
        max(apertureOffset, shutterSpeedOffset);

-    if (itemsCount < 0) {
+    if (itemsCount <= 0) {
      return List.empty();
    }
-    return List.generate(
+
+    final exposurePairs = List.generate(
      itemsCount,
      (index) => ExposurePair(
        apertureValues[index + apertureOffset],
@ -200,5 +207,30 @@ class _MeteringContainerBuidler extends StatelessWidget {
      ),
      growable: false,
    );
+
+    /// Full equipment profile, nothing to cut
+    if (equipmentProfile.id == "") {
+      return exposurePairs;
+    }
+
+    final equipmentApertureValues = equipmentProfile.apertureValues.whereStopType(stopType);
+    final equipmentShutterSpeedValues = equipmentProfile.shutterSpeedValues.whereStopType(stopType);
+
+    final startCutEV = max(
+      exposurePairs.first.aperture.difference(equipmentApertureValues.first),
+      exposurePairs.first.shutterSpeed.difference(equipmentShutterSpeedValues.first),
+    );
+    final endCutEV = max(
+      equipmentApertureValues.last.difference(exposurePairs.last.aperture),
+      equipmentShutterSpeedValues.last.difference(exposurePairs.last.shutterSpeed),
+    );
+
+    final startCut = (startCutEV * (stopType.index + 1)).round().clamp(0, itemsCount);
+    final endCut = (endCutEV * (stopType.index + 1)).round().clamp(0, itemsCount);
+
+    if (startCut > itemsCount - endCut) {
+      return const [];
+    }
+    return exposurePairs.sublist(startCut, itemsCount - endCut);
  }
 }
--- a/lib/screens/metering/utils/equipment_profile_listener.dart
+++ b/lib/screens/metering/utils/equipment_profile_listener.dart
@ -0,0 +1,30 @@
+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;
+  }
+}
--- a/lib/screens/metering/utils/listsner_equipment_profiles.dart
+++ b/lib/screens/metering/utils/listsner_equipment_profiles.dart
@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:lightmeter/providers/equipment_profile_provider.dart';
+import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';

 class EquipmentProfileListener extends StatefulWidget {
--- a/lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart
+++ b/lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/components/equipment_profile_container/widget_container_equipment_profile.dart
@ -71,6 +71,7 @@ class EquipmentProfileContainerState extends State<EquipmentProfileContainer>
          mainAxisSize: MainAxisSize.min,
          children: [
            ListTile(
+              contentPadding: const EdgeInsets.symmetric(horizontal: Dimens.paddingM),
              title: Row(
                children: [
                  _AnimatedNameLeading(controller: _controller),
@ -163,7 +164,7 @@ class _AnimatedNameLeading extends AnimatedWidget {
  @override
  Widget build(BuildContext context) {
    return Padding(
-      padding: EdgeInsets.only(right: _progress.value * Dimens.grid24),
+      padding: EdgeInsets.only(right: _progress.value * Dimens.grid8),
      child: Icon(
        Icons.edit,
        size: _progress.value * Dimens.grid24,
--- a/lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart
+++ b/lib/screens/settings/components/metering/components/equipment_profiles/components/equipment_profile_screen/screen_equipment_profile.dart
@ -1,11 +1,12 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
-import 'package:lightmeter/providers/equipment_profile_provider.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/metering/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';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';

 class EquipmentProfilesScreen extends StatefulWidget {
@ -44,30 +45,38 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
          icon: const Icon(Icons.close),
        ),
      ],
-      slivers: [
-        SliverList(
-          delegate: SliverChildBuilderDelegate(
-            (context, index) => index > 0
-                ? Padding(
-                    padding: EdgeInsets.fromLTRB(
-                      Dimens.paddingM,
-                      index == 0 ? Dimens.paddingM : 0,
-                      Dimens.paddingM,
-                      Dimens.paddingM,
-                    ),
-                    child: EquipmentProfileContainer(
-                      key: profileContainersKeys[index],
-                      data: EquipmentProfiles.of(context)[index],
-                      onExpand: () => _keepExpandedAt(index),
-                      onUpdate: (profileData) => _updateProfileAt(profileData, index),
-                      onDelete: () => _removeProfileAt(index),
-                    ),
-                  )
-                : const SizedBox.shrink(),
-            childCount: profilesCount,
-          ),
-        ),
-      ],
+      slivers: profilesCount == 1
+          ? [
+              SliverFillRemaining(
+                hasScrollBody: false,
+                child: _EquipmentProfilesListPlaceholder(onTap: _addProfile),
+              )
+            ]
+          : [
+              SliverList(
+                delegate: SliverChildBuilderDelegate(
+                  (context, index) => index > 0 // skip default
+                      ? Padding(
+                          padding: EdgeInsets.fromLTRB(
+                            Dimens.paddingM,
+                            index == 0 ? Dimens.paddingM : 0,
+                            Dimens.paddingM,
+                            Dimens.paddingM,
+                          ),
+                          child: EquipmentProfileContainer(
+                            key: profileContainersKeys[index],
+                            data: EquipmentProfiles.of(context)[index],
+                            onExpand: () => _keepExpandedAt(index),
+                            onUpdate: (profileData) => _updateProfileAt(profileData, index),
+                            onDelete: () => _removeProfileAt(index),
+                          ),
+                        )
+                      : const SizedBox.shrink(),
+                  childCount: profilesCount,
+                ),
+              ),
+              SliverToBoxAdapter(child: SizedBox(height: MediaQuery.paddingOf(context).bottom)),
+            ],
    );
  }

@ -99,3 +108,32 @@ class _EquipmentProfilesScreenState extends State<EquipmentProfilesScreen> {
    });
  }
 }
+
+class _EquipmentProfilesListPlaceholder extends StatelessWidget {
+  final VoidCallback onTap;
+
+  const _EquipmentProfilesListPlaceholder({required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: Dimens.sliverAppBarExpandedHeight),
+      child: FractionallySizedBox(
+        widthFactor: 1 / 1.618,
+        child: Center(
+          child: GestureDetector(
+            behavior: HitTestBehavior.translucent,
+            onTap: onTap,
+            child: Padding(
+              padding: const EdgeInsets.all(Dimens.paddingL),
+              child: IconPlaceholder(
+                icon: Icons.add,
+                text: S.of(context).tapToAdd,
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
--- a/lib/screens/settings/components/metering/components/equipment_profiles/widget_list_tile_equipment_profiles.dart
+++ b/lib/screens/settings/components/metering/components/equipment_profiles/widget_list_tile_equipment_profiles.dart
@ -1,6 +1,10 @@
+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 {
@ -8,13 +12,31 @@ class EquipmentProfilesListTile extends StatelessWidget {

  @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: () {
-        Navigator.of(context).push<EquipmentProfile>(
-          MaterialPageRoute(builder: (_) => const EquipmentProfilesScreen()),
-        );
+      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,
      },
    );
  }
--- a/lib/screens/settings/components/metering/components/metering_screen_layout/components/meterins_screen_layout_features_dialog/widget_dialog_metering_screen_layout_features.dart
+++ b/lib/screens/settings/components/metering/components/metering_screen_layout/components/meterins_screen_layout_features_dialog/widget_dialog_metering_screen_layout_features.dart
@ -33,18 +33,10 @@ class _MeteringScreenLayoutFeaturesDialogState extends State<MeteringScreenLayou
              child: Text(S.of(context).meteringScreenLayoutHint),
            ),
            const SizedBox(height: Dimens.grid16),
-            ...MeteringScreenLayoutFeature.values.map(
-              (f) => SwitchListTile(
-                contentPadding: EdgeInsets.symmetric(horizontal: Dimens.dialogTitlePadding.left),
-                title: Text(_toStringLocalized(context, f)),
-                value: _features[f]!,
-                onChanged: (value) {
-                  setState(() {
-                    _features.update(f, (_) => value);
-                  });
-                },
-              ),
-            ),
+            _featureListTile(MeteringScreenLayoutFeature.equipmentProfiles),
+            _featureListTile(MeteringScreenLayoutFeature.extremeExposurePairs),
+            _featureListTile(MeteringScreenLayoutFeature.filmPicker),
+            _featureListTile(MeteringScreenLayoutFeature.histogram),
          ],
        ),
      ),
@ -65,8 +57,23 @@ class _MeteringScreenLayoutFeaturesDialogState extends State<MeteringScreenLayou
    );
  }

+  Widget _featureListTile(MeteringScreenLayoutFeature f) {
+    return SwitchListTile(
+      contentPadding: EdgeInsets.symmetric(horizontal: Dimens.dialogTitlePadding.left),
+      title: Text(_toStringLocalized(context, f)),
+      value: _features[f]!,
+      onChanged: (value) {
+        setState(() {
+          _features.update(f, (_) => value);
+        });
+      },
+    );
+  }
+
  String _toStringLocalized(BuildContext context, MeteringScreenLayoutFeature feature) {
    switch (feature) {
+      case MeteringScreenLayoutFeature.equipmentProfiles:
+        return S.of(context).equipmentProfiles;
      case MeteringScreenLayoutFeature.extremeExposurePairs:
        return S.of(context).meteringScreenFeatureExtremeExposurePairs;
      case MeteringScreenLayoutFeature.filmPicker:
--- a/lib/screens/settings/components/metering/widget_settings_section_metering.dart
+++ b/lib/screens/settings/components/metering/widget_settings_section_metering.dart
@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:lightmeter/features.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';
@ -18,7 +17,7 @@ class MeteringSettingsSection extends StatelessWidget {
        StopTypeListTile(),
        CalibrationListTile(),
        MeteringScreenLayoutListTile(),
-        if (FeaturesConfig.equipmentProfilesEnabled) EquipmentProfilesListTile(),
+        EquipmentProfilesListTile(),
      ],
    );
  }
--- a/lib/screens/settings/screen_settings.dart
+++ b/lib/screens/settings/screen_settings.dart
@ -50,6 +50,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
              ],
            ),
          ),
+          SliverToBoxAdapter(child: SizedBox(height: MediaQuery.paddingOf(context).bottom)),
        ],
      ),
    );
--- a/lib/screens/metering/components/shared/exposure_pairs_list/components/empty_exposure_pairs_list/widget_list_exposure_pairs_empty.dart
+++ b/lib/screens/metering/components/shared/exposure_pairs_list/components/empty_exposure_pairs_list/widget_list_exposure_pairs_empty.dart
@ -1,24 +1,30 @@
 import 'package:flutter/material.dart';
-import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';

-class EmptyExposurePairsList extends StatelessWidget {
-  const EmptyExposurePairsList({super.key});
+class IconPlaceholder extends StatelessWidget {
+  final IconData icon;
+  final String text;
+
+  const IconPlaceholder({
+    required this.icon,
+    required this.text,
+    super.key,
+  });

  @override
  Widget build(BuildContext context) {
    return ConstrainedBox(
-      constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width / 2),
+      constraints: BoxConstraints(maxWidth: MediaQuery.sizeOf(context).width / 2),
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(
-            Icons.not_interested,
+            icon,
            color: Theme.of(context).colorScheme.onBackground,
          ),
          const SizedBox(height: Dimens.grid8),
          Text(
-            S.of(context).noExposurePairs,
+            text,
            style: Theme.of(context)
                .textTheme
                .bodyMedium
--- a/lib/screens/shared/sliver_screen/screen_sliver.dart
+++ b/lib/screens/shared/sliver_screen/screen_sliver.dart
@ -24,7 +24,7 @@ class SliverScreen extends StatelessWidget {
            SliverAppBar(
              pinned: true,
              automaticallyImplyLeading: false,
-              expandedHeight: Dimens.grid168,
+              expandedHeight: Dimens.sliverAppBarExpandedHeight,
              flexibleSpace: FlexibleSpaceBar(
                centerTitle: false,
                titlePadding: const EdgeInsets.all(Dimens.paddingM),
@ -39,7 +39,6 @@ class SliverScreen extends StatelessWidget {
              actions: appBarActions,
            ),
            ...slivers,
-            SliverToBoxAdapter(child: SizedBox(height: MediaQuery.of(context).padding.bottom)),
          ],
        ),
      ),
--- a/lib/utils/log_2.dart
+++ b/lib/utils/log_2.dart
@ -1,3 +0,0 @@
-import 'dart:math';
-
-double log2(num x) => log(x) / log(2);
--- a/pubspec.yaml
+++ b/pubspec.yaml
@ -1,5 +1,5 @@
 name: lightmeter
-description: A new Flutter project.
+description: Lightmeter app inspired by Material 3 design system.
 publish_to: "none"
 version: 0.13.2+38

@ -11,10 +11,10 @@ dependencies:
  bloc_concurrency: 0.2.2
  camera: 0.10.5+2
  clipboard: 0.1.3
-  dynamic_color: 1.6.5
+  dynamic_color: 1.6.6
  exif: 3.1.4
-  firebase_core: 2.13.0
-  firebase_crashlytics: 3.3.1
+  firebase_core: 2.14.0
+  firebase_crashlytics: 3.3.3
  flutter:
    sdk: flutter
  flutter_bloc: 8.1.3
@ -23,22 +23,26 @@ dependencies:
  intl: 0.18.0
  intl_utils: 2.8.2
  light_sensor: 2.0.2
+  m3_lightmeter_iap:
+    git:
+      url: "https://github.com/vodemn/m3_lightmeter_iap"
+      ref: main
  m3_lightmeter_resources:
    git:
      url: "https://github.com/vodemn/m3_lightmeter_resources"
      ref: main
  material_color_utilities: 0.2.0
-  package_info_plus: 4.0.1
-  permission_handler: 10.2.0
+  package_info_plus: 4.0.2
+  permission_handler: 10.4.3
  platform: 3.1.0
-  shared_preferences: 2.1.1
-  url_launcher: 6.1.11
+  shared_preferences: 2.2.0
+  url_launcher: 6.1.12
  uuid: 3.0.7
-  vibration: 1.7.7
+  vibration: 1.8.1

 dev_dependencies:
  bloc_test: 9.1.3
-  build_runner: ^2.1.7
+  build_runner: 2.4.6
  flutter_launcher_icons: 0.11.0
  flutter_native_splash: 2.2.16
  flutter_test:
--- a/test/data/models/metering_screen_layout_config_test.dart
+++ b/test/data/models/metering_screen_layout_config_test.dart
@ -12,12 +12,31 @@ void main() {
              '0': true,
              '1': true,
              '2': true,
+              '3': true,
            },
          ),
          {
            MeteringScreenLayoutFeature.extremeExposurePairs: true,
            MeteringScreenLayoutFeature.filmPicker: true,
            MeteringScreenLayoutFeature.histogram: true,
+            MeteringScreenLayoutFeature.equipmentProfiles: true,
+          },
+        );
+      });
+
+      test('Legacy (no histogram & equipment profiles)', () {
+        expect(
+          MeteringScreenLayoutConfigJson.fromJson(
+            {
+              '0': false,
+              '1': false,
+            },
+          ),
+          {
+            MeteringScreenLayoutFeature.extremeExposurePairs: false,
+            MeteringScreenLayoutFeature.filmPicker: false,
+            MeteringScreenLayoutFeature.histogram: true,
+            MeteringScreenLayoutFeature.equipmentProfiles: true,
          },
        );
      });
@ -26,28 +45,32 @@ void main() {
        expect(
          MeteringScreenLayoutConfigJson.fromJson(
            {
-              '0': true,
-              '1': true,
+              '0': false,
+              '1': false,
+              '2': false,
            },
          ),
          {
-            MeteringScreenLayoutFeature.extremeExposurePairs: true,
-            MeteringScreenLayoutFeature.filmPicker: true,
-            MeteringScreenLayoutFeature.histogram: true,
+            MeteringScreenLayoutFeature.extremeExposurePairs: false,
+            MeteringScreenLayoutFeature.filmPicker: false,
+            MeteringScreenLayoutFeature.histogram: false,
+            MeteringScreenLayoutFeature.equipmentProfiles: true,
          },
        );
      });
    },
  );

-  test('toJson', () {
+  test('toJson()', () {
    expect(
      {
+        MeteringScreenLayoutFeature.equipmentProfiles: true,
        MeteringScreenLayoutFeature.extremeExposurePairs: true,
        MeteringScreenLayoutFeature.filmPicker: true,
        MeteringScreenLayoutFeature.histogram: true,
      }.toJson(),
      {
+        '3': true,
        '0': true,
        '1': true,
        '2': true,
--- a/test/data/shared_prefs_service_test.dart
+++ b/test/data/shared_prefs_service_test.dart
@ -193,6 +193,7 @@ void main() {
        {
          MeteringScreenLayoutFeature.extremeExposurePairs: true,
          MeteringScreenLayoutFeature.filmPicker: true,
+          MeteringScreenLayoutFeature.equipmentProfiles: true,
          MeteringScreenLayoutFeature.histogram: true,
        },
      );
@ -207,6 +208,7 @@ void main() {
        {
          MeteringScreenLayoutFeature.extremeExposurePairs: false,
          MeteringScreenLayoutFeature.filmPicker: true,
+          MeteringScreenLayoutFeature.equipmentProfiles: true,
          MeteringScreenLayoutFeature.histogram: true,
        },
      );
@ -216,18 +218,19 @@ void main() {
      when(
        () => sharedPreferences.setString(
          UserPreferencesService.meteringScreenLayoutKey,
-          """{"0":false,"1":true,"2":true}""",
+          """{"0":false,"1":true,"2":true,"3":true}""",
        ),
      ).thenAnswer((_) => Future.value(true));
      service.meteringScreenLayout = {
        MeteringScreenLayoutFeature.extremeExposurePairs: false,
        MeteringScreenLayoutFeature.filmPicker: true,
        MeteringScreenLayoutFeature.histogram: true,
+        MeteringScreenLayoutFeature.equipmentProfiles: true,
      };
      verify(
        () => sharedPreferences.setString(
          UserPreferencesService.meteringScreenLayoutKey,
-          """{"0":false,"1":true,"2":true}""",
+          """{"0":false,"1":true,"2":true,"3":true}""",
        ),
      ).called(1);
    });
--- a/test/screens/metering/screen_metering_test.dart
+++ b/test/screens/metering/screen_metering_test.dart
@ -0,0 +1,966 @@
+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';
+
+void main() {
+  const defaultEquipmentProfile = EquipmentProfile(
+    id: "",
+    name: 'Default',
+    apertureValues: ApertureValue.values,
+    ndValues: NdValue.values,
+    shutterSpeedValues: ShutterSpeedValue.values,
+    isoValues: IsoValue.values,
+  );
+
+  group('Empty list', () {
+    List<ExposurePair> exposurePairsFull(double ev) => MeteringContainerBuidler.buildExposureValues(
+          ev,
+          StopType.full,
+          defaultEquipmentProfile,
+          const Film.other(),
+        );
+
+    test('isNan', () {
+      expect(exposurePairsFull(double.nan), const []);
+    });
+
+    test('isInifinity', () {
+      expect(exposurePairsFull(double.infinity), const []);
+    });
+
+    test('Big ass number', () {
+      expect(exposurePairsFull(23), const []);
+    });
+  });
+
+  group('Default equipment profile', () {
+    group("StopType.full", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.full,
+            defaultEquipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.half", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.half,
+            defaultEquipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.third", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.third,
+            defaultEquipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(2.5, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.3, StopType.third),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(3, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(7.1, StopType.third),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(3, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(7.1, StopType.third),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+  });
+
+  group('Shutter speed 1/1000-1/2"', () {
+    final equipmentProfile = EquipmentProfile(
+      id: "1",
+      name: 'Test1',
+      apertureValues: ApertureValue.values,
+      ndValues: NdValue.values,
+      shutterSpeedValues: ShutterSpeedValue.values.sublist(
+        ShutterSpeedValue.values.indexOf(const ShutterSpeedValue(1000, true, StopType.full)),
+        ShutterSpeedValue.values.indexOf(const ShutterSpeedValue(2, true, StopType.full)) + 1,
+      ),
+      isoValues: IsoValue.values,
+    );
+
+    group("StopType.full", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.full,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.4, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.4, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.4, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.half", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.half,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.2, StopType.half),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.2, StopType.half),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(3, true, StopType.half),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.2, StopType.half),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.4, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.third", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.third,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(2.5, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.1, StopType.third),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(3, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.2, StopType.third),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(3, true, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.2, StopType.third),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(1.0, StopType.full),
+            ShutterSpeedValue(4, true, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(1.4, StopType.full),
+            ShutterSpeedValue(2, true, StopType.full),
+          ),
+        );
+      });
+    });
+  });
+
+  group('Shutter speed 2"-16"', () {
+    final equipmentProfile = EquipmentProfile(
+      id: "1",
+      name: 'Test1',
+      apertureValues: ApertureValue.values.sublist(4),
+      ndValues: NdValue.values,
+      shutterSpeedValues: ShutterSpeedValue.values.sublist(
+        ShutterSpeedValue.values.indexOf(const ShutterSpeedValue(2, false, StopType.full)),
+      ),
+      isoValues: IsoValue.values,
+    );
+
+    group("StopType.full", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.full,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.0, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.0, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.8, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.8, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.8, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.half", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.half,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.0, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.4, StopType.half),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.4, StopType.half),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.4, StopType.half),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.7, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.8, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+
+    group("StopType.third", () {
+      List<ExposurePair> exposurePairsFull(double ev) =>
+          MeteringContainerBuidler.buildExposureValues(
+            ev,
+            StopType.third,
+            equipmentProfile,
+            const Film.other(),
+          );
+
+      test('EV 1', () {
+        final exposurePairs = exposurePairsFull(1);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.0, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(5.6, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.3', () {
+        final exposurePairs = exposurePairsFull(1.3);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.2, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(6.3, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.5', () {
+        final exposurePairs = exposurePairsFull(1.5);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.4, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(7.1, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 1.7', () {
+        final exposurePairs = exposurePairsFull(1.7);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.4, StopType.full),
+            ShutterSpeedValue(2, false, StopType.third),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(7.1, StopType.third),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+
+      test('EV 2', () {
+        final exposurePairs = exposurePairsFull(2);
+        expect(
+          exposurePairs.first,
+          const ExposurePair(
+            ApertureValue(2.8, StopType.full),
+            ShutterSpeedValue(2, false, StopType.full),
+          ),
+        );
+        expect(
+          exposurePairs.last,
+          const ExposurePair(
+            ApertureValue(8, StopType.full),
+            ShutterSpeedValue(16, false, StopType.full),
+          ),
+        );
+      });
+    });
+  });
+}