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

Questions


  1. What is a unit test?

a) A test that checks whether an object can cooperate with other objects. b) A test that validates the network connection. c) A test that checks an object in isolation.

  1. Is it okay to force your tests to execute in a certain order?

a) Yes. b) No.

  1. What is the order of the three As?

a) Act, Assert, Arrange. b) Assert, Arrange, Act. c) Arrange, Act, Assert.

  1. How do protocols help you when writing tests?

a) You can mock certain objects by conforming them to a protocol. b) You can check for traits. c) Your code is cleaner with protocols.

  1. How can see which code is not tested in your app?

a) Using Code Coverage. b) By checking your unit test classes. c) By manually testing your app.

  1. What is a launch argument?

a) A condition under which the app will launch. b) A string that is passed to an app when it launches. c) A reason to launch an app.

  1. How does XCUITest identify elements in an app?

a) It learns where elements are when you record a test. b) With launch arguments. c) Through accessibility...