This content was released on Feb 21 2017. The official support period is 6-months from this date.
Check out our 12-course video series on how to add custom controls in iOS. Includes examples of a deluxe button, a 3-ring control, and even a drawing app!
This is a companion discussion topic for the original entry at https://www.kodeco.com/732-updated-course-custom-controls-in-ios