Book Image

iOS 12 Programming for Beginners - Third Edition

By : Craig Clayton
Book Image

iOS 12 Programming for Beginners - Third Edition

By: Craig Clayton

Overview of this book

Want to build iOS 12 applications from scratch with the latest Swift 4.2 language and Xcode 10 by your side? Forget sifting through tutorials and blog posts; this book is a direct route to iOS development, taking you through the basics and showing you how to put principles into practice. Take advantage of this developer-friendly guide and start building applications that may just take the App Store by storm! If you’re already an experienced programmer, you can jump right in and learn the latest iOS 12 features. For beginners, this book starts by introducing you to iOS development as you learn Xcode and Swift. You'll also study advanced iOS design topics, such as gestures and animations, to give your app the edge. You’ll explore the latest Swift 4.2 and iOS 12 developments by incorporating new features, such as the latest in notifications, custom-UI notifications, maps, and the recent additions in Sirikit. The book will guide you in using TestFlight to quickly get to grips with everything you need to get your project on the App Store. By the end of this book, you'll be ready to start building your own cool iOS applications confidently.
Table of Contents (27 chapters)
Free Chapter
1
Getting Familiar with Xcode

Creating a framework

Since all of our code for data was created in our iOS app, it does not make sense to rewrite it for our iMessages app. We can create what is known as a framework to share our data between our iOS and iMessage apps.

Using frameworks along with app extensions allows us to put shared code in one place. That means less code and more efficiency, because you will not need to update code in multiple places when you have to make a change. Let's get started with creating our framework:

  1. In the Navigator panel, select the Project navigator and then your project.
  2. Find the TARGETS area and click on the + button at the bottom of that area.
  3. Under the iOS tab, scroll to the bottom to Framework & Library, select Cocoa Touch Framework, and then hit Next:
  1. Under Product Name, type LetsEatDataKit and then hit Finish.

You should now see the following folder and files...