From 7035c08f075e50c6b6ff699ee4daad309d5d59c1 Mon Sep 17 00:00:00 2001
From: Libin Lu <llu@evolenthealth.com>
Date: Mon, 12 Feb 2018 15:53:00 -0500
Subject: [PATCH] support old RN version

---
 ios/RNFIRMessaging.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ios/RNFIRMessaging.m b/ios/RNFIRMessaging.m
index 573f002..f65947f 100644
--- a/ios/RNFIRMessaging.m
+++ b/ios/RNFIRMessaging.m
@@ -313,7 +313,9 @@ RCT_EXPORT_MODULE();
 }
 
 -(void) addListener:(NSString *)eventName {
+  if([super respondsToSelector:@selector(addListener:)]){
     [super addListener:eventName];
+  }
 
     if([eventName isEqualToString:FCMNotificationReceived] && initialNotificationActionResponse) {
         [[NSNotificationCenter defaultCenter] postNotificationName:FCMNotificationReceived object:self userInfo:[initialNotificationActionResponse copy]];
-- 
2.26.2