From 1e3647d0d8516c7938c9705243e0dd3865e1ac79 Mon Sep 17 00:00:00 2001
From: Kyle Kurz <kkurz@digium.com>
Date: Thu, 19 Mar 2020 07:56:56 -0700
Subject: [PATCH] Use main thread

iOS throws a warning that registerForRemoteNotifications must be called
from the main thread only, this just wraps that call in a block to
ensure it always runs there, regardless of how the containing function
is called.
---
 ios/RNCPushNotificationIOS.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ios/RNCPushNotificationIOS.m b/ios/RNCPushNotificationIOS.m
index be7176186..0fe264477 100644
--- a/ios/RNCPushNotificationIOS.m
+++ b/ios/RNCPushNotificationIOS.m
@@ -315,7 +315,9 @@ - (void)handleRemoteNotificationRegistrationError:(NSNotification *)notification
     if (error != NULL) {
       reject(@"-1", @"Error - Push authorization request failed.", error);
     } else {
-      [RCTSharedApplication() registerForRemoteNotifications];
+      dispatch_async(dispatch_get_main_queue(), ^(void){
+        [RCTSharedApplication() registerForRemoteNotifications];
+      });
       [UNUserNotificationCenter.currentNotificationCenter getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings * _Nonnull settings) {
         resolve(RCTPromiseResolveValueForUNNotificationSettings(settings));
       }];