Book Image

Learn iOS 11 Programming with Swift 4 - Second Edition

By : Craig Clayton
Book Image

Learn iOS 11 Programming with Swift 4 - Second Edition

By: Craig Clayton

Overview of this book

<p>You want to build iOS applications but where do you start? Forget sifting through tutorials and blog posts, this book is a direct route into iOS development, taking you through the basics and showing you how to put the principles into practice. So take advantage of this developer-friendly guide and start building applications that may just take the App Store by storm!</p> <p>Whether you're an experienced programmer or a complete novice, this book guides you through every facet of iOS development. From Xcode and Swift, the building blocks of modern iOS development, you'll quickly gain a solid foundation to begin venturing deeper into your development journey. Experienced programmers can jump right in and learn the latest iOS 11 features.</p> <p>You'll also learn advanced topics of iOS design, such as gestures and animations, to give your app the edge. Explore the latest developments in Swift 4 and iOS 11 by incorporating new features, custom-rich notifications, drag and drop features, and the latest developments in SiriKit. With further guidance on beta testing with TestFlight, you'll quickly learn everything you need to get your project on the App Store!</p>
Table of Contents (36 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Free Chapter
1
Getting Familiar with Xcode
Index

Hooking up our outlets


Let's now link our file, ExploreViewController, to our UIViewController in storyboard:

  1. While still in the Main.storyboard file, select the UIViewController with the Collection View that we just created, by clicking on the left-most icon at the top of that controller:
  1. Now, in the Utilities panel, select the Identity Inspector, which is the third icon from the left:
  1. Under Custom Class, in the Class dropdown menu, select ExploreViewController and hit Enter.
  2. After you hit Enter, select the Connections Inspector, the last icon on the right, in the Utilities panel:
  1. Under Outlets, you will see collectionView and an empty circle:

Note

IBOutlet is a way to a connect to a UI element. We have a Collection View on our UIViewController; now, we are hooking into that variable. Later in the book, you will learn how to create these variables.

  1. Click on the collectionView circle, and drag from the circle to the Collection View that we just added inside of the UIViewController:
  1. Once you release...