From d63bf428cdabce6c4b062457eaf6a58158acc872 Mon Sep 17 00:00:00 2001
From: Eric Vicenti <evv@fb.com>
Date: Tue, 7 Apr 2015 19:24:27 -0700
Subject: [PATCH] [ReactNative] Fix Navigator exception when touching during
 transition

---
 Libraries/CustomComponents/Navigator/Navigator.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Libraries/CustomComponents/Navigator/Navigator.js b/Libraries/CustomComponents/Navigator/Navigator.js
index 0ad3c4269..fbcf51ec5 100644
--- a/Libraries/CustomComponents/Navigator/Navigator.js
+++ b/Libraries/CustomComponents/Navigator/Navigator.js
@@ -596,7 +596,7 @@ var Navigator = React.createClass({
 
   _handlePanResponderGrant: function(e, gestureState) {
     invariant(
-      this._expectingGestureGrant,
+      this._expectingGestureGrant || this.state.isAnimating,
       'Responder granted unexpectedly.'
     );
     this._activeGestureAction = this._expectingGestureGrant;