Xamarin.iOS: How to show alert dialog

Here it is:

UIAlertController okAlertController = UIAlertController.Create("Selected", SegmentedControlOrderStatus.SelectedSegment.ToString(), UIAlertControllerStyle.Alert);
okAlertController.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
PresentViewController(okAlertController, true, null);

And before you ask, no there's no direct Toast equivalent in iOS. You'll have to roll one yourself or use a library.

Xamarin.iOS: Remember to install Newtonsoft.Json in your iOS app

Yea, remember that especially when you're doing asynchronous calls inside a Task.Run() and it does not return at all. That means there's an error somewhere during the async call however since the async call is running on a different thread then you can't see the error in the debugger since the task terminates itself.

Infinite Scroll with RecyclerView in Xamarin.Android



However, calling NotifyDataSetChanged() (and other related methods) wouldn't work if called in Activity (Xamarin things.. probably because the reference is lost).

So, you'll need to put the list inside the Adapter instead and call the methods over there instead.