From 1041f8775a9725defff84b0c1beec38e3b3080a8 Mon Sep 17 00:00:00 2001
From: Blair Vanderhoof <blairv@gmail.com>
Date: Wed, 2 Aug 2017 21:05:01 -0700
Subject: [PATCH] Fix crash with scrollViewDidEndDecelerating and RCTTextView

See https://github.com/wix/react-native-navigation/issues/1446#issuecomment-319858633
---
 ios/RCCViewController.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ios/RCCViewController.m b/ios/RCCViewController.m
index b1fd399989b..1ada92dfc5b 100755
--- a/ios/RCCViewController.m
+++ b/ios/RCCViewController.m
@@ -277,7 +277,7 @@ - (NSString *)getTimestampString {
 // Back to normal after user start scroll with momentum
 - (void)_traverseAndCall:(UIView*)view
 {
-  if([view isKindOfClass:[UIScrollView class]]) {
+  if([view isKindOfClass:[UIScrollView class]] && ([[(UIScrollView*)view delegate] respondsToSelector:@selector(scrollViewDidEndDecelerating:)]) ) {
     [[(UIScrollView*)view delegate] scrollViewDidEndDecelerating:(id)view];
   }