Fix UIExplorer Image example on iOS

Reviewed By: javache

Differential Revision: D3138820

fb-gh-sync-id: 83bf3f6c60b80e9303b3c3a47dd5d05069623204
fbshipit-source-id: 83bf3f6c60b80e9303b3c3a47dd5d05069623204

Examples/UIExplorer/ImageExample.js

@@ -25,6 +25,7 @@
 var React = require('react-native');
 var {
   Image,
+  Platform,
   StyleSheet,
   Text,
   View,
@@ -425,6 +426,7 @@ exports.examples = [
                     source={image}
                   />
                 </View>
+                { Platform.OS === 'android' ?
                   <View style={styles.leftMargin}>
                     <Text style={[styles.resizeModeText]}>
                       Center
@@ -435,6 +437,7 @@ exports.examples = [
                       source={image}
                     />
                   </View>
+                : null }
               </View>
             </View>
           );