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 17

  1. Which framework is used to implement a simple video player?

c) AVKit.

  1. Which object is used to play a local audio file?

b) AVAudioPlayer.

  1. What are remote commands, and where do they come from?

c) Media playback-related commands that can come from any external source, including the lock screen, control center, or even the user's headphones.

  1. Which object can be used to quickly take a picture?

a) UIImagePickerController.

  1. Which of the following is not needed to record a video with an AVCaptureSession object?

b) Permission to access the user's photo library.

  1. What information tends to get lost when you convert a UIImage instance to a CGImage instance?

a) The orientation.