Fix crash in - [NSObject InitializeHandle(System.IntPtr handle, System.String initSelector)]

[aditmer]

Version: 1.0 (1.0) | com.nightscout.nightscoutmobilehybrid

Stacktrace

0 Foundation NSObject InitializeHandle 1 Foundation.NSUrl  ctor 2 Xamarin.Forms.Platform.iOS WebViewRenderer LoadUrl 3 Xamarin.Forms UrlWebViewSource Load 4 Xamarin.Forms.Platform.iOS WebViewRenderer Load 5 Xamarin.Forms.Platform.iOS WebViewRenderer HandlePropertyChanged 6 Xamarin.Forms BindableObject OnPropertyChanged 7 Xamarin.Forms Element OnPropertyChanged 8 Xamarin.Forms WebView OnPropertyChanged 9 Xamarin.Forms BindableObject SetValueActual 10 Xamarin.Forms BindableObject SetValueCore 11 Xamarin.Forms BindableObject SetValue 12 Xamarin.Forms BindableObject SetValue 13 Xamarin.Forms WebView set_Source 14 NightscoutMobileHybrid NightscoutMobileHybridPage+c__async0 MoveNext null 0 

Reason

System.Exception: Could not initialize an instance of the type 'Foundation.NSUrl': the native 'initWithString:' method returned nil.

Link to HockeyApp

• https://rink.hockeyapp.net/manage/apps/420647/crash_reasons/162457411