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

Chapter 11. Syncing Data with CloudKit

Storing data locally in Core Data is pretty sweet, but storing data locally on a device has its limitations. When a user gets a new device or uninstalls your app, their database is gone. This could be very inconvenient for the user because they might want to hold on to their data somehow.

Another inconvenience of a local database is that the database isn't shared across a user's devices. To work around this problem, you could implement your own backend server and store your user's data there. However, this comes with great responsibility because you would have to ensure that your user's data is protected and stored securely, not to mention the amount of effort and costs that will go into building and maintaining your own backend.

If you're looking for an excellent way to synchronize data across a user's device without having to build your own backend or invest vast amounts of time into storing data securely, CloudKit is precisely what you need. In this...