Questions about the xamarin.android binding.

[mcguu]

I am trying to binding .aar to the xamarin.android. and there is some errors there are one I can not understand and resolve.
in the .aar there is an interface:

[EmilAlipiev]

ask your question here and tag Xamarin.Forms and Xamarin https://docs.microsoft.com/en-us/answers/products/dotnet?WT.mc_id=xamarinforumsredirect-web-xamarin