App-Artment/xamarin-forms-tests — pull request #1 by rmarinho (2014-12-11 18:51:26+00:00)
Title: Don't reuse a existing page in new NavigationPage

This fixes your problem on. You shouldn't reuse a page that's in other navigation stack.

https://bugzilla.xamarin.com/show_bug.cgi?id=25280