From 6fd21f62f143361bde1c15dd01d81003453da907 Mon Sep 17 00:00:00 2001
From: Jan Schwarzer <jan.schwarzer@infact-wws.de>
Date: Fri, 10 Dec 2021 09:47:15 +0100
Subject: [PATCH] fixed github-issue #919 by doing a null check in
 OnElementChanged

---
 ZXing.Net.Mobile.Forms/ZXingScannerViewRenderer.ios.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ZXing.Net.Mobile.Forms/ZXingScannerViewRenderer.ios.cs b/ZXing.Net.Mobile.Forms/ZXingScannerViewRenderer.ios.cs
index 18d4e0465..b00c86f2b 100644
--- a/ZXing.Net.Mobile.Forms/ZXingScannerViewRenderer.ios.cs
+++ b/ZXing.Net.Mobile.Forms/ZXingScannerViewRenderer.ios.cs
@@ -25,6 +25,8 @@ public static void Init()
 
 		protected override async void OnElementChanged(ElementChangedEventArgs<ZXingScannerView> e)
 		{
+			if (Element is null) return;
+
 			AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight;
 
 			formsView = Element;