Titlebook: Swift 4 for Absolute Beginners; Develop Apps for iOS Stefan Kaczmarek,Brad Lees,Gary Bennett Book 20184th edition Stefan Kaczmarek, Brad Le

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Protocols and Delegates, be successful: protocols and delegates. It is not uncommon for new developers to get overwhelmed by these topics, which is why we introduced the foundational topics of the Swift language first. After reading this chapter, you will see that protocols and delegates are really useful and not hard to u

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Apple Watch and WatchKit,lls and text messages, but it also assesses the wearer’s health by tracking heart rate and exercise. At the same time, Apple announced WatchKit, a framework designed for developing apps for the Apple Watch. WatchKit will be very familiar to developers already familiar with UIKit.

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Swift Classes, Objects, and Methods,his chapter builds on that foundation, especially with creating Swift classes. By the end of this chapter, you can expect to have a greater understanding of the Swift language and how to use the basics to write simple programs. The best way to learn is to take small programs and write (or rewrite) them in Swift just to see how the language works.

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