From d080c8dc2bc7d333560284244b18fe3df58faac6 Mon Sep 17 00:00:00 2001
From: Spencer Ahrens <sahrens@fb.com>
Date: Mon, 31 Aug 2015 10:00:07 -0700
Subject: [PATCH] [RN] fix TimerExample

Summary:
Pressing clear would crash if timer was unmounted.

Fixed by not rendering clear button when timer unmounted.
---
 Examples/UIExplorer/TimerExample.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Examples/UIExplorer/TimerExample.js b/Examples/UIExplorer/TimerExample.js
index 0bfd5d05a..b5923b350 100644
--- a/Examples/UIExplorer/TimerExample.js
+++ b/Examples/UIExplorer/TimerExample.js
@@ -181,8 +181,12 @@ exports.examples = [
 
         render: function() {
           if (this.state.showTimer) {
-            var timer =
-              <TimerTester ref="interval" dt={25} type="setInterval" />;
+            var timer = [
+              <TimerTester ref="interval" dt={25} type="setInterval" />,
+              <Button onPress={() => this.refs.interval.clear() }>
+                Clear interval
+              </Button>
+            ];
             var toggleText = 'Unmount timer';
           } else {
             var timer = null;
@@ -191,9 +195,6 @@ exports.examples = [
           return (
             <View>
               {timer}
-              <Button onPress={() => this.refs.interval.clear() }>
-                Clear interval
-              </Button>
               <Button onPress={this._toggleTimer}>
                 {toggleText}
               </Button>