From c893989d21ad7a68a4b3117fee2b9ebba745b03c Mon Sep 17 00:00:00 2001
From: Hongtan Du <hongtan.du@instagram.com>
Date: Fri, 8 Sep 2017 14:14:10 -0700
Subject: [PATCH] Add check for valid rootTag in ReactRootView

Reviewed By: AaaChiuuu

Differential Revision: D5796097

fbshipit-source-id: 1aed793dd77864f1b2cb20e64049483a084f0bc0
---
 .../src/main/java/com/facebook/react/ReactRootView.java       | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java b/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
index 9d0828394d8..7e35a9ef069 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/ReactRootView.java
@@ -279,7 +279,9 @@ public class ReactRootView extends SizeMonitoringFrameLayout implements RootView
   public void setAppProperties(@Nullable Bundle appProperties) {
     UiThreadUtil.assertOnUiThread();
     mAppProperties = appProperties;
-    runApplication();
+    if (getRootViewTag() != 0) {
+      runApplication();
+    }
   }
 
   /**