Beginning iPhone Development with Swift 3: Exploring the iOS SDK, Third Edition

© Molly Maskrey, Kim Topley, David Mark, Fredrik Olsson and Jeff Lamarche 2016

Molly Maskrey, Kim Topley, David Mark, Fredrik Olsson and JEFF LAMARCHE, Beginning iPhone Development with Swift 3, 10.1007/978-1-4842-2223-2_16

16. Graphics and Drawing

Molly Maskrey¹ , Kim Topley², David Mark³, Fredrik Olsson⁴ and Jeff Lamarche⁵

(1)Parker, Colorado, USA

(2)Apt 10G, New York, USA

(3)Arlington, Virginia, USA

(4)Stockholm, Sweden

(5)New Hartford, New York, USA

We’ve constructed all our application UIs so far using views and controls that are part of the UIKit framework. We can do a lot with UIKit, and a great many applications are constructed using only its predefined objects. Some visual elements (see Figure 16-1), however, can’t be fully realized without going ...