From 1bce1d06cb10ed97055eb29493dec248271c4b95 Mon Sep 17 00:00:00 2001
From: Sven Fulenchek <73049985+svenfulen@users.noreply.github.com>
Date: Fri, 3 Mar 2023 12:38:07 -0600
Subject: [PATCH] Bug fix

If no custom headers are added to the webview, it will show as null, this will cause a crash on iOS.
Added case for no custom headers to prevent NullReferenceException.
---
 .../iOS/Renderer/EnhancedWebViewRenderer.cs          | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Plugin.XF.Controls/iOS/Renderer/EnhancedWebViewRenderer.cs b/Plugin.XF.Controls/iOS/Renderer/EnhancedWebViewRenderer.cs
index 01d200c..82c27d7 100644
--- a/Plugin.XF.Controls/iOS/Renderer/EnhancedWebViewRenderer.cs
+++ b/Plugin.XF.Controls/iOS/Renderer/EnhancedWebViewRenderer.cs
@@ -60,10 +60,12 @@ protected override void OnElementChanged(ElementChangedEventArgs<EnhancedWebView
 
                 UrlWebViewSource source = (Xamarin.Forms.UrlWebViewSource)Element.Source;
                 var webRequest = new NSMutableUrlRequest(new NSUrl(source.Url));
-                if (Element.CustomHeaders.Count > 0)
-                {
-                    foreach (string key in Element.CustomHeaders.Keys)
-                        webRequest[key] = Element.CustomHeaders[key];
+                if (Element.CustomHeaders != null) {
+                    if (Element.CustomHeaders.Count > 0)
+                    {
+                        foreach (string key in Element.CustomHeaders.Keys)
+                            webRequest[key] = Element.CustomHeaders[key];
+                    }
                 }
                 if (!string.IsNullOrEmpty(Element.Username) && !string.IsNullOrEmpty(Element.Password))
                 {
@@ -91,4 +93,4 @@ protected override void OnElementChanged(ElementChangedEventArgs<EnhancedWebView
 
        
     }
-}
\ No newline at end of file
+}