title: How to add radio button to radio group in Xamarin for Android via code behind?
body: <p>The title already describes what I want to do: I'm working with Xamarin for Android. Now I'd like to have a <code>RadioGroup</code> and fill it with <code>RadioButton</code>s via code behind and not via XAML. How can I do this? I don't find any setter...</p>
  
  <p>Why do I need this? My small Android app has a <em>Load</em> button which loads entries from a web service. Each entry should be represented by a <code>RadioButton</code> so that the user has a flexible selection.</p>