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


  1. UICollectionView is very similar to another component on iOS. Which component is this?

a) UIImageView  b) UIScrollView c) UITableView

  1. Which class did you have to subclass to create your own collection view layout?

a) UICollectionViewFlowLayout b) UICollectionViewLayout c) UICollectionLayout

  1. Which technique is applied by collection views to ensure great performance?

a) Fetching cells a couple of rows ahead of the user's current position b) Fetching all cells at once c) Fetching cells just in time

  1. Where in Interface Builder can you find the collection view's layout object?

a) The Attributes Inspector b) The Document Outline c) The Object Library

  1. Which feature that can be implemented for collection views is not available for table views?

a) Reordering cells b) Deleting cells c) Horizontal scrolling

  1. What is a gesture recognizer?

a) An object that responds to taps only b) An object that predicts whether a user will scroll c) An object that responds to several user interactions, such as tapping...