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
Packt Upsell

Chapter 3

  1. Where can you configure the supported Interface Orientations for an iPad in the Hello-Contacts project?

b) Info.plist.

  1. How many different size classes exist today?

a) Two.

  1. What object contains information about the current environment your app is running in?

c) UITraitCollection.

  1. What is the best way to lay out several objects on top of each other?

b) Using UIStackView.

  1. How do you animate an update to layout constraints?

a) By calling view.layoutSubviews() in an animation.

  1. What is the correct way to create an instance of a view controller from a storyboard?

b) let myViewController = storyboard?.instantiateViewController(withIdentifier:"MyViewController").

  1. How many methods did you have to implement to support peek and pop?

b) Two.