I have spent two days trying out the various solutions for Mixed and Pure Autolayout approaches to achieve what was a trivial scrollview setup prior to autolayout, and it\'s
LOL welcome to the stupidity club. I'm one of the founders. :D
For VERTICAL scrolling: the only way I could get it to work (iOS 8, Xcode 6 and pure autolayout) was adding the following constraints to my Scroll View (all related to the superview):
My structure:
UIView
- ScrollView
- Subview
- Subview
- Subview
- Subview
- ...
This is the final result:

This is the setup:
Full screen
And here is the project.
Hopefully this would save someone from GOING TO SLEEP AT 5 AM. :D