Merge pull request #635 from OneSignal/fix/preventDefault

[Fix] PreventDefualt on iOS

Author: shepherd-l

OneSignalExample/Assets/OneSignal/CHANGELOG.md

@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Stop foreground notifications from displaying after calling prevent default on iOS
+
 ## [5.0.1]
 ### Fixed
 - Push subscription Id and Token malloc error on iOS

com.onesignal.unity.ios/Runtime/Plugins/iOS/OneSignalUnityBridgeNotifications.mm

@@ -71,6 +71,8 @@ - (instancetype) init {
         [OneSignal.Notifications addPermissionObserver:self];
         [OneSignal.Notifications addForegroundLifecycleListener:self];
         [OneSignal.Notifications addClickListener:self];
+
+        _willDisplayEvents = [NSMutableDictionary new];
     }
 
     return self;
@@ -84,10 +86,10 @@ - (void)onNotificationPermissionDidChange:(BOOL)permission {
 
 - (void)onWillDisplayNotification:(OSNotificationWillDisplayEvent *)event {
     if (_willDisplayDelegate != nil) {
+        _willDisplayEvents[event.notification.notificationId] = event;
+
         NSString *stringNotification = [event.notification stringify];
         _willDisplayDelegate([stringNotification UTF8String]);
-
-        _willDisplayEvents[event.notification.notificationId] = event;
     }
 }
 

com.onesignal.unity.ios/Runtime/iOSNotificationsManager.cs

@@ -114,7 +114,7 @@ private static void _onForegroundWillDisplay(string notification) {
             {
                 // We use Send instead of Post because we need to *not* return to our caller until the
                 // event handlers have returned themselves. This allows a handler to call PreventDefault()
-                // which will get passed down to Android in InternalNotificationWillDisplayEventArgs.
+                // which will get passed down to iOS in InternalNotificationWillDisplayEventArgs.
                 UnityMainThreadDispatch.Send(state => handler(_instance, args));
             }
         }