xamarin/Xamarin.Auth — pull request #38 by icnatejackson (2013-08-08 17:10:06+00:00)
Title: Adding ability to block the cancelling of an authentication flow

Many classes of apps require authentication and therefore the ability
to cancel the process is unwanted, un-necessary and provides a poor
user experience. This commit adds the ability to block a user from
Cancelling the authentication process.

The two samples were extended to show how to disable canceling.