Coding with UIAlertController in Swift

…the introduction of UIAlertController should be met like an army liberating a city from occupation. Not only does it improve on the miserable APIs of its predecessors, but it carves a path forward to deal with the UIKit interface singularity brought on by the latest class of devices.

Mattt Thompson on his UIAlertController introduction:

This week’s article takes a look at UIAlertController, showing first how to port existing alert behavior, and then how this behavior can be extended.