From c227c5050ac7b05e37830501e1817a36058d3afb Mon Sep 17 00:00:00 2001
From: Alexander Djenkov <a.djenkov90@gmail.com>
Date: Fri, 3 May 2019 10:14:31 +0300
Subject: [PATCH] fix(ios-http-get): http failure during parsing xml (#7175)

---
 .../http/http-request/http-request.ios.ts        | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/tns-core-modules/http/http-request/http-request.ios.ts b/tns-core-modules/http/http-request/http-request.ios.ts
index 2475fb9c7..e0bca9d0a 100644
--- a/tns-core-modules/http/http-request/http-request.ios.ts
+++ b/tns-core-modules/http/http-request/http-request.ios.ts
@@ -200,11 +200,21 @@ export function request(options: httpModule.HttpRequestOptions): Promise<httpMod
 }
 
 function NSDataToString(data: any, encoding?: HttpResponseEncoding): string {
-    let code = 4; //UTF8
+    let code = NSUTF8StringEncoding; // long:4
+
     if (encoding === HttpResponseEncoding.GBK) {
-        code = 1586;
+        code = CFStringEncodings.kCFStringEncodingGB_18030_2000; // long:1586
     }
-    return NSString.alloc().initWithDataEncoding(data, code).toString();
+
+    let encodedString = NSString.alloc().initWithDataEncoding(data, code);
+
+    // If UTF8 string encoding fails try with ISO-8859-1
+    if (!encodedString) {
+        code = NSISOLatin1StringEncoding; // long:5
+        encodedString = NSString.alloc().initWithDataEncoding(data, code);
+    }
+
+    return encodedString.toString();
 }
 
 export function addHeader(headers: httpModule.Headers, key: string, value: string): void {