There's on-going efforts for RX support but you can use something like ReactiveUI with Xamarin.iOS http://blog.paulbetts.org/index.php/2013/03/12/reactiveui-4-5

There's on-going efforts for RX support but you can use something like ReactiveUI with Xamarin.iOS http://blog.paulbetts.org/index.php/2013/03/12/reactiveui-4-5-is-released/ http://blog.paulbetts.org/index.php/2013/03/12/reactiveui-4-...