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

Summary


This chapter showed you that asynchronous code can be hard to understand and reason about, especially when a lot of code is running at the same time; it can be easy to lose track of what you're doing. You also learned that Operations are a convenient way to reduce complexity in your application, resulting in code that is easier to read, change, and maintain. When an operation depends on multiple other Operations to be completed, it can be extremely convenient to use OperationQueue, as it dramatically reduces the complexity of the code you write.

It's been mentioned before, but if you intend to make use of operations in your app, make sure to check out Apple's Demonstration of Advanced Operations from WWDC 2015. Operations are capable of far more than you've seen in this chapter, and it's highly recommended to see how Apple uses operations to create rock-solid apps. Once your app is covered by tests, measured with instruments, and improved with asynchronous code and operations, it...