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


In this chapter, you have learned several techniques to obtain and respond to a user's location. You have implemented a LocationHelper class that provided a simple interface for view controllers to use the location manager that is contained in the helper. You learned about the best practices in the area of asking the user for access to their location data, and you have learned that asking for a user's location is a pretty privacy-sensitive question that shouldn't be asked without a good reason.

You learned that there are different ways, each with different levels of detail, that you can use to track a user's location. You saw that you can subscribe to continuous changes, which has a bad impact on battery life. You also learned about subscribing to visits and significant location changes. In addition to learning about tracking a user's location, you also learned about monitoring whether a user has entered or exited a certain area by implementing geofencing. When you implement Core...