From 0420bcc1a838a55b3315fcc2e6e99870e0e5083d Mon Sep 17 00:00:00 2001
From: Daniele Conti <daniele.conti@novoda.com>
Date: Mon, 11 Jun 2018 13:13:56 +0100
Subject: [PATCH] Check for view existence before setting children

---
 .../java/com/facebook/react/uimanager/UIImplementation.java  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
index c1adee2e6ccacf..f56b2fd85bdc92 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
@@ -479,6 +479,11 @@ public void setChildren(
 
     ReactShadowNode cssNodeToManage = mShadowNodeRegistry.getNode(viewTag);
 
+    if (cssNodeToManage == null) {
+      FLog.w(ReactConstants.TAG, "Tried to set children on non-existent root tag: " + viewTag);
+      return;
+    }
+
     for (int i = 0; i < childrenTags.size(); i++) {
       ReactShadowNode cssNodeToAdd = mShadowNodeRegistry.getNode(childrenTags.getInt(i));
       if (cssNodeToAdd == null) {