From cd01d2e55a3c48e4bf1b23a735217f240e4b09bc Mon Sep 17 00:00:00 2001
From: Vladimir Enchev <vladimir.enchev@telerik.com>
Date: Mon, 3 Aug 2015 09:19:40 +0300
Subject: [PATCH] Fixed #535

---
 http/http-request.ios.ts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/http/http-request.ios.ts b/http/http-request.ios.ts
index 38d2e49f6..e22e73eb9 100644
--- a/http/http-request.ios.ts
+++ b/http/http-request.ios.ts
@@ -35,7 +35,7 @@ export function request(options: http.HttpRequestOptions): Promise<http.HttpResp
             if (types.isString(options.content) || options.content instanceof FormData) {
                 urlRequest.HTTPBody = NSString.alloc().initWithString(options.content.toString()).dataUsingEncoding(4);
             }
-            
+
             if (types.isNumber(options.timeout)) {
                 urlRequest.timeoutInterval = options.timeout / 1000;
             }
@@ -46,12 +46,14 @@ export function request(options: http.HttpRequestOptions): Promise<http.HttpResp
                         reject(new Error(error.localizedDescription));
                     } else {
                         var headers = {};
-                        var headerFields = response.allHeaderFields;
-                        var keys = headerFields.allKeys;
+                        if (response && response.allHeaderFields) {
+                            var headerFields = response.allHeaderFields;
+                            var keys = headerFields.allKeys;
 
-                        for (var i = 0, l = keys.count; i < l; i++) {
-                            var key = keys.objectAtIndex(i);
-                            headers[key] = headerFields.valueForKey(key);
+                            for (var i = 0, l = keys.count; i < l; i++) {
+                                var key = keys.objectAtIndex(i);
+                                headers[key] = headerFields.valueForKey(key);
+                            }
                         }
 
                         resolve({