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

Implementing grouped notifications

A new feature for notifications in iOS 12 is the possibility to group notifications. iOS will group notifications from an application together by default, showing the user a stack of notifications with the most recent one on top, instead of a long list of mixed notifications from all applications, which is hard to scan through.

In this section, you will learn exactly how you can implement grouped notifications in your own apps.


Grouping notifications based on thread identifiers

Grouped notifications are a huge improvement for the notification system on iOS, which many users have eagerly been waiting for. However, if all notifications for a single app are grouped together, important information might get lost. If a messaging app stacks all notifications in a single group, it's easy to miss an important message if it's hidden somewhere in the group.

For this reason, Apple allows developers to create custom notification groups based on special thread identifiers...