Merge pull request #452 from OneSignal/feature/setLanguage

Feature app defined setLanguage

Author: tanaynigam

android/src/main/java/com/onesignal/flutter/OneSignalPlugin.java

@@ -120,6 +120,8 @@ else if (call.method.contentEquals("OneSignal#setExternalUserId"))
       this.setExternalUserId(call, result);
     else if (call.method.contentEquals("OneSignal#removeExternalUserId"))
       this.removeExternalUserId(result);
+    else if (call.method.contentEquals("OneSignal#setLanguage"))
+      this.setLanguage(call, result);
     else if (call.method.contentEquals("OneSignal#initNotificationOpenedHandlerParams"))
       this.initNotificationOpenedHandlerParams();
     else if (call.method.contentEquals("OneSignal#initInAppMessageClickedHandlerParams"))
@@ -337,6 +339,14 @@ public void onFailure(OneSignal.OSSMSUpdateError error) {
     });
   }
 
+  private void setLanguage(MethodCall call, final Result result) {
+    String language = call.argument("language");
+    if (language != null && language.length() == 0)
+      language = null;
+
+      OneSignal.setLanguage(language);
+  }
+
   private void setExternalUserId(MethodCall call, final Result result) {
     String externalUserId = call.argument("externalUserId");
     String authHashToken = call.argument("authHashToken");

example/ios/Podfile

@@ -32,7 +32,7 @@ target 'Runner' do
 end
 
 target 'OneSignalNotificationServiceExtension' do
-  pod 'OneSignalXCFramework', '3.5.3'
+  pod 'OneSignalXCFramework', '3.6.0'
 end
 
 post_install do |installer|

ios/Classes/OneSignalPlugin.m

@@ -142,6 +142,8 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
         [self setExternalUserId:call withResult:result];
     else if ([@"OneSignal#removeExternalUserId" isEqualToString:call.method])
         [self removeExternalUserId:call withResult:result];
+    else if ([@"OneSignal#setLanguage" isEqualToString:call.method])
+        [self setLanguage:call withResult:result];
     else if ([@"OneSignal#initNotificationOpenedHandlerParams" isEqualToString:call.method])
         [self initNotificationOpenedHandlerParams];
     else if ([@"OneSignal#initInAppMessageClickedHandlerParams" isEqualToString:call.method])
@@ -320,6 +322,15 @@ - (void)removeExternalUserId:(FlutterMethodCall *)call withResult:(FlutterResult
     }];
 }
 
+- (void)setLanguage:(FlutterMethodCall *)call withResult:(FlutterResult)result {
+    id language = call.arguments[@"language"];
+    if (language == [NSNull null]) {
+        language = nil;
+    }
+
+    [OneSignal setLanguage:language];
+}
+
 - (void)initNotificationOpenedHandlerParams {
     [OneSignal setNotificationOpenedHandler:^(OSNotificationOpenedResult * _Nonnull result) {
         [OneSignalPlugin.sharedInstance handleNotificationOpened:result];

ios/onesignal_flutter.podspec

@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
-  s.dependency 'OneSignalXCFramework', '3.5.3'
+  s.dependency 'OneSignalXCFramework', '3.6.0'
   s.ios.deployment_target = '9.0'
   s.static_framework = true
 end

lib/onesignal_flutter.dart

@@ -329,6 +329,12 @@ class OneSignal {
     return results.cast<String, dynamic>();
   }
 
+  Future<Map<String, dynamic>> setLanguage(String language) async {
+    Map<dynamic, dynamic> results =
+        await (_channel.invokeMethod("OneSignal#setLanguage", {'language' : language}));
+    return results.cast<String, dynamic>();
+  }
+
   /// Adds a single key, value trigger, which will trigger an in app message
   /// if one exists matching the specific trigger added
   Future<void> addTrigger(String key, Object value) async {

test/mock_channel.dart

@@ -67,6 +67,9 @@ class OneSignalMockChannelController {
       case "OneSignal#removeExternalUserId":
         this.state.externalId = null;
         return {"success" : true};
+      case "OneSignal#setLanguage":
+        this.state.language = (call.arguments as Map<dynamic, dynamic>)['language'] as String?;
+        return {"success" : true};
     }
   }
 }
@@ -93,6 +96,7 @@ class OneSignalState {
   OSNotificationDisplayType? inFocusDisplayType;
   bool? disablePush;
   String? externalId;
+  String? language;
 
   // tags
   Map<dynamic, dynamic>? tags;

test/onesignalflutter_test.dart

@@ -109,4 +109,11 @@ void main() {
       expect(channelController.state.externalId, null);
     }));
   });
+
+  //Set Language test
+  test('setting language', () {
+    onesignal.setLanguage('fr').then(expectAsync1((v) {
+      expect(channelController.state.language, 'fr');
+    }));
+  });
 }