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

Chapter 20. Exchanging Data With Drag And Drop

Until iOS 11 came out, iOS had a pretty terrible drag and drop experience. If you wanted to move a couple of photos from one app on your iPad to another, you would usually have to copy and paste each photo individually. If you compare this experience with the desktop, where you can grab one or multiple items and drag those items from one place to the other, the iOS experience sounds pretty bad.

Since iOS 11, users can finally enjoy a full drag and drop experience on iOS. Implementing drag and drop in your own apps has been made surprisingly simple since all you need to do is implement a couple of required methods from a handful of protocols. This chapter's purpose is to show you how to handle drag and drop in the augmented reality gallery you built in Chapter 8Using Augmented Reality. The gallery app will be expanded so that users can add photos from their own photo library, the internet, or any other source to their art library.

This chapter...