title: C# Xamarin How to develop a custome keyboard?
body: <p>I'm thinking to develop a custom keyboard in C#-xamarin.
  But there's no documentation for this.
  The documentation is only available for java.
  So, I want to know that can somebody please guide me that how to develop custom keyboard in C# xamarin?
  also, is it possible to detect swipe up/down/right/left gestures on every key?
  Seeking for the help.</p>