How to use support FileProvider for sharing content to other apps?

Question

I\'m looking for a way to correctly share (not OPEN) an internal file with external application using Android Support library\'s FileProvider.

Following the example

Answer 1

I want to share something that blocked us for a couple of days: the fileprovider code MUST be inserted between the application tags, not after it. It may be trivial, but it's never specified, and I thought that I could have helped someone! (thanks again to piolo94)