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

  1. What devices support the full drag-and-drop experience?

b) Only iPad.

  1. What kind of object do you have to provide to start a drag session?

a) UIDragItem.

  1. How can you check whether your app can handle a certain drop action?

a) By checking the type of object that is associated with the drop action.

  1. How is the drag-and-drop experience limited on iPhone?

c) Drag and drop is limited to the currently-open app.

  1. What do you have to do to support drag and drop on an iPhone?

a) You must manually enable the drag-and-drop interactions.

  1. How are drag and drop delegate protocols for collection views different from the regular drag and drop delegate protocols?

b) The collection view versions of the delegate methods receive an index path.