Adding bridging for live activities

Author: nan-li

ios/Classes/OneSignalPlugin.m

@@ -153,6 +153,10 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
         [self initNotificationWillShowInForegroundHandlerParams];
     else if ([@"OneSignal#completeNotification" isEqualToString:call.method])
         [self completeNotification:call withResult:result];
+    else if ([@"OneSignal#enterLiveActivity" isEqualToString:call.method])
+        [self enterLiveActivity:call withResult:result];
+    else if ([@"OneSignal#exitLiveActivity" isEqualToString:call.method])
+        [self exitLiveActivity:call withResult:result];
     else
         result(FlutterMethodNotImplemented);
 }
@@ -403,6 +407,30 @@ - (void)completeNotification:(FlutterMethodCall *)call withResult:(FlutterResult
     [self.receivedNotificationCache removeObjectForKey:notificationId];
 }
 
+#pragma mark Live Activity
+
+- (void)enterLiveActivity:(FlutterMethodCall *)call withResult:(FlutterResult)result {
+    NSString *activityId = call.arguments[@"activityId"];
+    NSString *token = call.arguments[@"token"];
+
+    [OneSignal enterLiveActivity:activityId withToken:token withSuccess:^(NSDictionary *results) {
+        result(results);
+    } withFailure:^(NSError *error) {
+        [OneSignal onesignalLog:ONE_S_LL_VERBOSE message:[NSString stringWithFormat:@"enterLiveActivity Failure with error: %@", error]];
+        result(error.flutterError);
+    }];
+}
+
+- (void)exitLiveActivity:(FlutterMethodCall *)call withResult:(FlutterResult)result {
+    NSString *activityId = call.arguments[@"activityId"];
+
+    [OneSignal exitLiveActivity:activityId withSuccess:^(NSDictionary *results) {
+        result(results);
+    } withFailure:^(NSError *error) {
+        [OneSignal onesignalLog:ONE_S_LL_VERBOSE message:[NSString stringWithFormat:@"exitLiveActivity Failure with error: %@", error]];
+        result(error.flutterError);
+    }];
+}
 
 #pragma mark In App Message Click Handler
 - (void)handleInAppMessageClicked:(OSInAppMessageAction *)action {

lib/onesignal_flutter.dart

@@ -312,6 +312,29 @@ class OneSignal {
     return await _channel.invokeMethod("OneSignal#clearOneSignalNotifications");
   }
 
+  /// Only applies to iOS
+  /// Associates a temporary push token with an Activity ID on the OneSignal server.
+  Future<void> enterLiveActivity(String activityId, String token) async {
+    if (Platform.isIOS) {
+      await _channel.invokeMethod("OneSignal#enterLiveActivity", {'activityId': activityId, 'token': token});
+    } else {
+      _onesignalLog(OSLogLevel.info,
+          "enterLiveActivity: this function is not supported on Android");
+    }
+  }
+
+  /// Only applies to iOS
+  /// Deletes activityId associated temporary push token on the OneSignal server.
+  Future<void> exitLiveActivity(String activityId) async {
+    if (Platform.isIOS) {
+      await _channel.invokeMethod("OneSignal#exitLiveActivity",
+        {'activityId': activityId});
+    } else {
+      _onesignalLog(OSLogLevel.info,
+          "exitLiveActivity: this function is not supported on Android");
+    }
+  }
+
   /// Allows you to manually cancel a single OneSignal notification based on its Android notification integer ID
   void removeNotification(int notificationId) {
     _channel.invokeMethod("OneSignal#removeNotification",