From 233820ef372042d4fae463b0a63f75bfeab160da Mon Sep 17 00:00:00 2001
From: Alex Kolesnyk <51327975+wixiosalex@users.noreply.github.com>
Date: Wed, 15 Jan 2020 17:01:03 +0200
Subject: [PATCH] Add check if UIBarButtonItem is RNNUIBarButtonItem (#5850)

---
 lib/ios/RNNNavigationButtons.m | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/ios/RNNNavigationButtons.m b/lib/ios/RNNNavigationButtons.m
index 078c0138883..1a06c2c2865 100644
--- a/lib/ios/RNNNavigationButtons.m
+++ b/lib/ios/RNNNavigationButtons.m
@@ -73,23 +73,33 @@ - (NSArray *)currentButtons {
 }
 
 - (void)componentDidAppear {
-    for (RNNUIBarButtonItem* barButtonItem in [self currentButtons]) {
-        [barButtonItem notifyDidAppear];
+    for (UIBarButtonItem* barButtonItem in [self currentButtons]) {
+	  if ([self isRNNUIBarButton:barButtonItem]) {
+		  [(RNNUIBarButtonItem *)barButtonItem notifyDidAppear];
+	  }
     }
 }
 
 - (void)componentDidDisappear {
-    for (RNNUIBarButtonItem* barButtonItem in [self currentButtons]) {
-        [barButtonItem notifyDidDisappear];
+    for (UIBarButtonItem* barButtonItem in [self currentButtons]) {
+	  if ([self isRNNUIBarButton:barButtonItem]) {
+		  [(RNNUIBarButtonItem *)barButtonItem notifyDidDisappear];
+	  }
     }
 }
 
 - (void)notifyButtonsDidAppear:(NSArray *)barButtonItems {
-    for (RNNUIBarButtonItem* barButtonItem in barButtonItems) {
-        [barButtonItem notifyDidAppear];
+    for (UIBarButtonItem* barButtonItem in barButtonItems) {
+	  if ([self isRNNUIBarButton:barButtonItem]) {
+		  [(RNNUIBarButtonItem *)barButtonItem notifyDidAppear];
+	  }
     }
 }
 
+- (BOOL)isRNNUIBarButton:(UIBarButtonItem *)barButtonItem {
+    return [barButtonItem isKindOfClass:[RNNUIBarButtonItem class]];
+}
+
 - (void)clearPreviousButtonViews:(NSArray<UIBarButtonItem *> *)newButtons oldButtons:(NSArray<UIBarButtonItem *> *)oldButtons {
     NSArray<UIBarButtonItem *>* removedButtons = [oldButtons difference:newButtons withPropertyName:@"customView"];