Add prototype of Google AdMob ads

app/android/app/src/main/AndroidManifest.xml

@@ -32,6 +32,9 @@
     </queries>
 
     <application android:requestLegacyExternalStorage="true" android:label="@string/app_name" android:icon="@mipmap/ic_launcher">
+        <!-- From: https://developers.google.com/admob/flutter/quick-start#platform_specific_setup -->
+        <meta-data android:name="com.google.android.gms.ads.APPLICATION_ID" android:value="ca-app-pub-7730914075870960~2331360962"/>
+
         <meta-data android:name="com.google.firebase.messaging.default_notification_icon" android:resource="@drawable/statusbar_notification" />
         <meta-data android:name="com.google.firebase.messaging.default_notification_color" android:resource="@color/colorAccent" />
         <meta-data android:name="flutterEmbedding" android:value="2" />

app/ios/Podfile.lock

@@ -260,6 +260,12 @@ PODS:
     - SDWebImageWebPCoder
   - flutter_timezone (0.0.1):
     - Flutter
+  - Google-Mobile-Ads-SDK (11.10.0):
+    - GoogleUserMessagingPlatform (>= 1.1)
+  - google_mobile_ads (5.2.0):
+    - Flutter
+    - Google-Mobile-Ads-SDK (~> 11.10.0)
+    - webview_flutter_wkwebview
   - google_sign_in_ios (0.0.1):
     - AppAuth (>= 1.7.4)
     - Flutter
@@ -304,6 +310,7 @@ PODS:
     - GoogleToolboxForMac/Defines (= 4.2.1)
   - "GoogleToolboxForMac/NSData+zlib (4.2.1)":
     - GoogleToolboxForMac/Defines (= 4.2.1)
+  - GoogleUserMessagingPlatform (2.6.0)
   - GoogleUtilities/AppDelegateSwizzler (7.13.3):
     - GoogleUtilities/Environment
     - GoogleUtilities/Logger
@@ -462,6 +469,7 @@ DEPENDENCIES:
   - Flutter (from `Flutter`)
   - flutter_image_compress_common (from `.symlinks/plugins/flutter_image_compress_common/ios`)
   - flutter_timezone (from `.symlinks/plugins/flutter_timezone/ios`)
+  - google_mobile_ads (from `.symlinks/plugins/google_mobile_ads/ios`)
   - google_sign_in_ios (from `.symlinks/plugins/google_sign_in_ios/darwin`)
   - image_picker_ios (from `.symlinks/plugins/image_picker_ios/ios`)
   - in_app_review (from `.symlinks/plugins/in_app_review/ios`)
@@ -515,11 +523,13 @@ SPEC REPOS:
     - FirebaseSessions
     - FirebaseSharedSwift
     - FirebaseStorage
+    - Google-Mobile-Ads-SDK
     - GoogleAppMeasurement
     - GoogleDataTransport
     - GoogleMLKit
     - GoogleSignIn
     - GoogleToolboxForMac
+    - GoogleUserMessagingPlatform
     - GoogleUtilities
     - GoogleUtilitiesComponents
     - GTMAppAuth
@@ -581,6 +591,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/flutter_image_compress_common/ios"
   flutter_timezone:
     :path: ".symlinks/plugins/flutter_timezone/ios"
+  google_mobile_ads:
+    :path: ".symlinks/plugins/google_mobile_ads/ios"
   google_sign_in_ios:
     :path: ".symlinks/plugins/google_sign_in_ios/darwin"
   image_picker_ios:
@@ -676,12 +688,15 @@ SPEC CHECKSUMS:
   Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
   flutter_image_compress_common: ec1d45c362c9d30a3f6a0426c297f47c52007e3e
   flutter_timezone: ffb07bdad3c6276af8dada0f11978d8a1f8a20bb
+  Google-Mobile-Ads-SDK: 13e6e98edfd78ad8d8a791edb927658cc260a56f
+  google_mobile_ads: 2a538d8e42b1813809782792e48f8cf4374c2180
   google_sign_in_ios: 07375bfbf2620bc93a602c0e27160d6afc6ead38
   GoogleAppMeasurement: 9abf64b682732fed36da827aa2a68f0221fd2356
   GoogleDataTransport: 6c09b596d841063d76d4288cc2d2f42cc36e1e2a
   GoogleMLKit: 97ac7af399057e99182ee8edfa8249e3226a4065
   GoogleSignIn: d4281ab6cf21542b1cfaff85c191f230b399d2db
   GoogleToolboxForMac: d1a2cbf009c453f4d6ded37c105e2f67a32206d8
+  GoogleUserMessagingPlatform: 0c3a08353e53ce8c2feab7addd0b652cde522450
   GoogleUtilities: ea963c370a38a8069cc5f7ba4ca849a60b6d7d15
   GoogleUtilitiesComponents: 679b2c881db3b615a2777504623df6122dd20afe
   GTMAppAuth: f69bd07d68cd3b766125f7e072c45d7340dea0de

app/ios/Runner.xcodeproj/project.pbxproj

@@ -475,7 +475,10 @@
 				"${PODS_CONFIGURATION_BUILD_DIR}/FirebaseFirestoreGRPCCPPBinary/FirebaseFirestoreGRPCCPPBinary_Privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/FirebaseFirestoreGRPCCoreBinary/FirebaseFirestoreGRPCCoreBinary_Privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/FirebaseFirestoreInternalBinary/FirebaseFirestoreInternalBinary_Privacy.bundle",
+				"${PODS_CONFIGURATION_BUILD_DIR}/Google-Mobile-Ads-SDK/GoogleMobileAdsResources.bundle",
+				"${PODS_CONFIGURATION_BUILD_DIR}/GoogleUserMessagingPlatform/UserMessagingPlatformResources.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/firebase_messaging/firebase_messaging_Privacy.bundle",
+				"${PODS_CONFIGURATION_BUILD_DIR}/google_mobile_ads/google_mobile_ads.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/google_sign_in_ios/google_sign_in_ios_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/mobile_scanner/mobile_scanner_privacy.bundle",
 				"${PODS_CONFIGURATION_BUILD_DIR}/permission_handler_apple/permission_handler_apple_privacy.bundle",
@@ -488,7 +491,10 @@
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/FirebaseFirestoreGRPCCPPBinary_Privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/FirebaseFirestoreGRPCCoreBinary_Privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/FirebaseFirestoreInternalBinary_Privacy.bundle",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/GoogleMobileAdsResources.bundle",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/UserMessagingPlatformResources.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/firebase_messaging_Privacy.bundle",
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/google_mobile_ads.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/google_sign_in_ios_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/mobile_scanner_privacy.bundle",
 				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/permission_handler_apple_privacy.bundle",

app/ios/Runner/Info.plist

@@ -117,5 +117,7 @@
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
+	<key>GADApplicationIdentifier</key>
+	<string>ca-app-pub-7730914075870960~4953718516</string>
 </dict>
 </plist>

app/lib/activation_code/src/bloc/enter_activation_code_bloc.dart

@@ -80,12 +80,33 @@ class EnterActivationCodeBloc extends BlocBase {
       return;
     }
 
+    // Required for testing as long we run the A/B test.
+    //
+    // In case you are in A/B test group, you can't deactivate the ads by
+    // entering 'ads' in the activation code field.
+    if (_lastEnteredValue?.trim().toLowerCase() == 'ads') {
+      _toggleAds();
+      return;
+    }
+
     _changeEnterActivationCodeResult(LoadingEnterActivationCodeResult());
 
     final enterActivationCodeResult = await _runAppFunction(enteredValue);
     _changeEnterActivationCodeResult(enterActivationCodeResult);
   }
 
+  void _toggleAds() {
+    final currentValue = keyValueStore.getBool('show-ads') ?? false;
+    keyValueStore.setBool('show-ads', !currentValue);
+
+    _changeEnterActivationCodeResult(
+      SuccessfulEnterActivationCodeResult(
+        'ads',
+        'Ads wurden ${!currentValue ? 'aktiviert' : 'deaktiviert'}. Starte die App neu, um die Änderungen zu sehen.',
+      ),
+    );
+  }
+
   Future<void> _clearCache(BuildContext context) async {
     await Future.wait([
       keyValueStore.clear(),

app/lib/ads/ad_banner.dart

@@ -0,0 +1,85 @@
+// Copyright (c) 2024 Sharezone UG (haftungsbeschränkt)
+// Licensed under the EUPL-1.2-or-later.
+//
+// You may obtain a copy of the Licence at:
+// https://joinup.ec.europa.eu/software/page/eupl
+//
+// SPDX-License-Identifier: EUPL-1.2
+
+import 'package:flutter/widgets.dart';
+import 'package:google_mobile_ads/google_mobile_ads.dart';
+import 'package:provider/provider.dart';
+import 'package:sharezone/ads/ads_controller.dart';
+
+class AdBanner extends StatefulWidget {
+  const AdBanner({
+    super.key,
+    required this.adUnitId,
+  });
+
+  final String adUnitId;
+
+  @override
+  State<AdBanner> createState() => _AdBannerState();
+}
+
+class _AdBannerState extends State<AdBanner> {
+  BannerAd? ad;
+  bool _isLoaded = false;
+
+  @override
+  void initState() {
+    super.initState();
+    if (context.read<AdsController>().isQualifiedForAds()) {
+      WidgetsBinding.instance.addPostFrameCallback((_) async {
+        final size =
+            await AdSize.getCurrentOrientationAnchoredAdaptiveBannerAdSize(
+                MediaQuery.sizeOf(context).width.truncate());
+
+        if (size == null) {
+          // Unable to get width of anchored banner.
+          return;
+        }
+
+        if (!mounted) {
+          return;
+        }
+
+        ad = BannerAd(
+          adUnitId: widget.adUnitId,
+          request: context.read<AdsController>().createAdRequest(),
+          size: size,
+          listener: BannerAdListener(
+            onAdLoaded: (ad) {
+              debugPrint('$ad loaded.');
+              setState(() {
+                _isLoaded = true;
+              });
+            },
+            onAdFailedToLoad: (ad, err) {
+              debugPrint('BannerAd failed to load: $err');
+              ad.dispose();
+            },
+          ),
+        )..load();
+      });
+    }
+  }
+
+  @override
+  void dispose() {
+    ad?.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final areAdsVisible = context.watch<AdsController>().areAdsVisible;
+    if (!areAdsVisible || _isLoaded == false) return Container();
+    return SizedBox(
+      height: ad!.size.height.toDouble(),
+      width: ad!.size.width.toDouble(),
+      child: AdWidget(ad: ad!),
+    );
+  }
+}

app/lib/ads/ad_info_dialog.dart

@@ -0,0 +1,56 @@
+// Copyright (c) 2024 Sharezone UG (haftungsbeschränkt)
+// Licensed under the EUPL-1.2-or-later.
+//
+// You may obtain a copy of the Licence at:
+// https://joinup.ec.europa.eu/software/page/eupl
+//
+// SPDX-License-Identifier: EUPL-1.2
+
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:sharezone/sharezone_plus/page/sharezone_plus_page.dart';
+import 'package:sharezone_widgets/sharezone_widgets.dart';
+
+void showAdInfoDialog(BuildContext context) async {
+  final navigateToPlusPage = await showDialog<bool>(
+    context: context,
+    builder: (BuildContext context) {
+      return AlertDialog(
+        title: const Text('Werbung in Sharezone'),
+        content: Text.rich(
+          TextSpan(
+            children: [
+              const TextSpan(
+                text:
+                    'Innerhalb der nächsten Wochen führen wir ein Experiment mit Werbung in Sharezone durch. Wenn du keine Werbung sehen möchten, kannst du ',
+              ),
+              TextSpan(
+                text: 'Sharezone Plus',
+                style: const TextStyle(
+                  color: primaryColor,
+                  decoration: TextDecoration.underline,
+                ),
+                recognizer: TapGestureRecognizer()
+                  ..onTap = () => Navigator.of(context).pop(true),
+              ),
+              const TextSpan(
+                text: ' erwerben.',
+              ),
+            ],
+          ),
+        ),
+        actions: <Widget>[
+          ElevatedButton(
+            style: ElevatedButton.styleFrom(foregroundColor: Colors.white),
+            child: const Text('OK'),
+            onPressed: () => Navigator.of(context).pop(),
+          ),
+        ],
+      );
+    },
+  );
+
+  if (navigateToPlusPage == true && context.mounted) {
+    navigateToSharezonePlusPage(context);
+  }
+}