@Elzu I realize this thread is old, but it might help someone else. I got this exception when I tried to initialize the FirebaseApp using this line of code.
FirebaseApp app = FirebaseApp.Initializ… (View Post)
OK, I was finally able to get all this to work.
To hide buttons and form elements, I had to completely rewrite how I was managing IsVisible. I was using the OnAppearing method with statements like… (View Post)
I have a couple of areas within my app where I need to do a proper page refresh, reload or update. I've searched all over the web and read lots of blog posts, but I really can't find any good example… (View Post)