From 02ac39678ea198280f155125be3d4015700b8107 Mon Sep 17 00:00:00 2001
From: Kevin <kevin@macbook>
Date: Thu, 16 Nov 2017 16:58:10 +0800
Subject: [PATCH] flag checking fix

---
 ios/RNFirebase/messaging/RNFirebaseMessaging.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ios/RNFirebase/messaging/RNFirebaseMessaging.m b/ios/RNFirebase/messaging/RNFirebaseMessaging.m
index dfca2348..226b30a9 100644
--- a/ios/RNFirebase/messaging/RNFirebaseMessaging.m
+++ b/ios/RNFirebase/messaging/RNFirebaseMessaging.m
@@ -45,8 +45,10 @@ RCT_ENUM_CONVERTER(NSCalendarUnit,
     content.userInfo = details;
     content.badge = [RCTConvert NSNumber:details[@"badge"]];
 
-    if(details[@"show_in_foreground"]) {
-        [content setValue:@YES forKeyPath:@"shouldAlwaysAlertWhileAppIsForeground"];
+    if([details objectForKey:@"show_in_foreground"] != nil) {
+        if([(NSNumber *)details[@"show_in_foreground"] boolValue] == YES) {
+            [content setValue:@YES forKeyPath:@"shouldAlwaysAlertWhileAppIsForeground"];
+        }
     }
     
     NSDate *fireDate = [RCTConvert NSDate:details[@"fire_date"]];