Book Image

Mastering iOS 12 Programming - Third Edition

By : Donny Wals
Book Image

Mastering iOS 12 Programming - Third Edition

By: Donny Wals

Overview of this book

The iOS development environment has significantly matured, and with Apple users spending more money in the App Store, there are plenty of development opportunities for professional iOS developers. However, the journey to mastering iOS development and the new features of iOS 12 is not straightforward. This book will help you make that transition smoothly and easily. With the help of Swift 4.2, you’ll not only learn how to program for iOS 12, but also how to write efficient, readable, and maintainable Swift code that maintains industry best practices. Mastering iOS 12 Programming will help you build real-world applications and reflect the real-world development flow. You will also find a mix of thorough background information and practical examples, teaching you how to start implementing your newly gained knowledge. By the end of this book, you will have got to grips with building iOS applications that harness advanced techniques and make best use of the latest and greatest features available in iOS 12.
Table of Contents (35 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Chapter 10


  1. For how long can you perform work when your app is woken up for background refresh?

b) There is no way to be sure.

  1. How do you enable background fetch for your app?

c) Both.

  1. Which statement about the minimum refresh interval is true?

b) iOS will determine when it's the best time wake up your app. It will be no more often that you specify.

  1. What did you use a dispatch group for in this chapter?

b) To be notified when all network calls were done.

  1. When should you refactor your code?

c) Any time you think you can improve something.

  1. What do you call the ID that is passed to the movieById case on the MovieDBHelper.Endpoint enum?

a) Associated value.