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


This chapter showed you how to implement a smooth drag and drop experience for your users. Drag and drop has limited functionality on the iPhone, but this doesn't stop it from being a powerful feature that can be used to support the dragging of contents within an application or to reorder a UICollectionView. Collections and tables have received special treatment because they have their own delegate methods and enable you to easily access the cell that is selected by the user for dragging.

While drag and drop might seem complicated at first glance, Apple did a great job of containing this complexity in a couple of relatively simple delegate methods that you can implement. A simple drag and drop implementation only requires you to implement fewer than a handful of methods, which is quite impressive for such a powerful feature!

In the next chapter, you will perform some extra work on the MustC app that you have worked on in previous chapters. You will enhance it by integrating it with...