[in_app_purchase] Add api to expose country code (#6540)

- **Add changelog and version bump** - **dependency override from package tool** Fixes flutter/flutter/issues/141627
flutter · Apr 17, 2024 · 3f4c0f5 · 3f4c0f5
1 parent ba1e24b
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diff --git a/packages/in_app_purchase/in_app_purchase/CHANGELOG.md b/packages/in_app_purchase/in_app_purchase/CHANGELOG.md
@@ -1,5 +1,6 @@
-## NEXT
+## 3.2.0
 
+* Adds `countryCode` API.
 * Updates minimum supported SDK version to Flutter 3.13/Dart 3.1.
 * Updates support matrix in README to indicate that iOS 11 is no longer supported.
 * Clients on versions of Flutter that still support iOS 11 can continue to use this

diff --git a/packages/in_app_purchase/in_app_purchase/lib/in_app_purchase.dart b/packages/in_app_purchase/in_app_purchase/lib/in_app_purchase.dart
@@ -209,4 +209,20 @@ class InAppPurchase implements InAppPurchasePlatformAdditionProvider {
       InAppPurchasePlatform.instance.restorePurchases(
         applicationUserName: applicationUserName,
       );
+
+  /// Returns the user's country.
+  ///
+  /// Android:
+  /// Returns Play billing country code based on ISO-3166-1 alpha2 format.
+  ///
+  /// See: https://developer.android.com/reference/com/android/billingclient/api/BillingConfig
+  /// See: https://unicode.org/cldr/charts/latest/supplemental/territory_containment_un_m_49.html
+  ///
+  /// iOS:
+  /// Returns the country code from SKStoreFrontWrapper.
+  ///
+  /// See: https://developer.apple.com/documentation/storekit/skstorefront?language=objc
+  ///
+  ///
+  Future<String> countryCode() => InAppPurchasePlatform.instance.countryCode();
 }
diff --git a/packages/in_app_purchase/in_app_purchase/pubspec.yaml b/packages/in_app_purchase/in_app_purchase/pubspec.yaml
@@ -2,11 +2,11 @@ name: in_app_purchase
 description: A Flutter plugin for in-app purchases. Exposes APIs for making in-app purchases through the App Store and Google Play.
 repository: https://github.com/flutter/packages/tree/main/packages/in_app_purchase/in_app_purchase
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+in_app_purchase%22
-version: 3.1.13
+version: 3.2.0
 
 environment:
-  sdk: ^3.1.0
-  flutter: ">=3.13.0"
+  sdk: ^3.2.3
+  flutter: ">=3.16.6"
 
 flutter:
   plugin:
@@ -21,9 +21,9 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
-  in_app_purchase_android: ^0.3.0
-  in_app_purchase_platform_interface: ^1.0.0
-  in_app_purchase_storekit: ^0.3.4
+  in_app_purchase_android: ^0.3.4
+  in_app_purchase_platform_interface: ^1.4.0
+  in_app_purchase_storekit: ^0.3.14
 
 dev_dependencies:
   flutter_test:

diff --git a/packages/in_app_purchase/in_app_purchase/test/in_app_purchase_test.dart b/packages/in_app_purchase/in_app_purchase/test/in_app_purchase_test.dart
@@ -55,6 +55,14 @@ void main() {
       ]);
     });
 
+    test('countryCode', () async {
+      final String country = await inAppPurchase.countryCode();
+      expect(country, 'USA');
+      expect(fakePlatform.log, <Matcher>[
+        isMethodCall('countryCode', arguments: null),
+      ]);
+    });
+
     test('purchaseStream', () async {
       final bool isEmptyStream = await inAppPurchase.purchaseStream.isEmpty;
       expect(isEmptyStream, true);
@@ -192,4 +200,10 @@ class MockInAppPurchasePlatform extends Fake
     log.add(const MethodCall('restorePurchases'));
     return Future<void>.value();
   }
+
+  @override
+  Future<String> countryCode() {
+    log.add(const MethodCall('countryCode'));
+    return Future<String>.value('USA');
+  }
 }