Fix crash navigating in Shell and trying to get the navbar visibility (…

…#14689)
xamarin · Oct 6, 2021 · 833b1bf · 833b1bf
1 parent b4efb7f
commit 833b1bf
Showing 1 changed file with 9 additions and 5 deletions.
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/ShellSectionRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/ShellSectionRenderer.cs
@@ -703,11 +703,15 @@ public override void WillShowViewController(UINavigationController navigationCon
 				System.Diagnostics.Debug.Write($"WillShowViewController {viewController.GetHashCode()}");
 				var element = _self.ElementForViewController(viewController);
 
-				bool navBarVisible;
-				if (element is ShellSection)
-					navBarVisible = _self._renderer.ShowNavBar;
-				else
-					navBarVisible = Shell.GetNavBarIsVisible(element);
+				bool navBarVisible = false;
+
+				if (element != null)
+				{
+					if (element is ShellSection)
+						navBarVisible = _self._renderer.ShowNavBar;
+					else
+						navBarVisible = Shell.GetNavBarIsVisible(element);
+				}
 
 				navigationController.SetNavigationBarHidden(!navBarVisible, true);