The new version (> 6.0) of the Facebook app is probably one of the best non-Apple’s app in the store nowadays.
Every day, I look forward to the next update to see what they’ve added and to understand how they’ve done it.

In one of the latest updates, the hacker @chpwn added this awesome feature:

@aaronash you should try the swipe back gesture I did for the latest Facebook update

— Grant Paul (chpwn) (@chpwn) 13 maggio 2013

Basically a kind of hack of UINavigationController to slide to the previous view controller in the navigation stack.

And the response was quite good:

Dynamic swipe back behaviour in UINavigationControllers (like Flurry and the new Facebook app update) need to be a thing. They're awesome.

— Adam Bell (@b3ll) 14 maggio 2013

So, why shouldn’t I try to create something similar for my own apps?

Taking advantage of few spare hours in a sunny Sunday of May, here you are:

Go and get it from GitHub :)