Fugly back doors for Xamarin Forms + UITest

Implementation.cs

app.Invoke("Backdoor", "MyActualMethod")

MainActivity.cs

    [Activity(Label = "my.activity",
        MainLauncher = true,
        ScreenOrientation = ScreenOrientation.Portrait)]
    public sealed class MainActivity : Activity
    {
        public MainActivity()
        {
            Backdoors = new Dictionary<string, Func<string>>();
        }
        public static Dictionary<string, Func<string>> Backdoors { get; internal set; }

        [Export("Backdoor")]
        public string Backdoor(string actualMethod)
        {
            return Backdoors[actualMethod].Invoke();
        }
        
        protected override void OnCreate(Bundle savedInstanceState)
        {
            base.OnCreate(savedInstanceState);
            // bla
        }
    }

MyCustomRenderer.cs

public class MyCustomRenderer : SomeRenderer{
    public MyCustomRenderer(){
        MainActivity.Backdoors.Add("MyActualMethod", MyActualMethod);
    }
    
    public string MyActualMethod(){
        return "foo bar";
    }
}