Book Image

iOS 10 Programming for Beginners

By : Craig Clayton
Book Image

iOS 10 Programming for Beginners

By: Craig Clayton

Overview of this book

You want to build iOS applications for iPhone and iPad—but where do you start? Forget sifting through tutorials and blog posts, this is a direct route into iOS development, taking you through the basics and showing you how to put the principles into practice. With every update, iOS has become more and more developer-friendly, so take advantage of it and begin building applications that might just take the App Store by storm! 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 Apple development—and Playgrounds for beginners, one of the most popular features of the iOS development experience, you’ll quickly gain a solid foundation to begin venturing deeper into your development journey. For the experienced programmer, jump right in and learn the latest iOS 10 features. You’ll also learn the core elements of iOS design, from tables to tab bars, as well as more advanced topics such as gestures and animations that can give your app the edge. Find out how to manage databases, as well as integrating standard elements such as photos, GPS into your app. With further guidance on beta testing with TestFlight, you’ll quickly learn everything you need to get your project on the App Store!
Table of Contents (26 chapters)
iOS 10 Programming for Beginners
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Free Chapter
1
Getting Familiar with Xcode
Index

Data types – where it all starts


Swift offers a collection of built-in data types. Data types are known as string, integer, floating-point numbers, and Booleans. These data types can be found in most programming languages. Therefore, if you are not new to programming, you can skip this section and start at the variables and constants section here.

Let's walk through each data type for those of you who are new to programming or would like a refresher.

String

The first data type we will discuss is a string. A string is represented by a series of characters. strings are used to display text in an app. When a string is wrapped in quotes, it is known as a string literal. In programming, we cannot just add text into Playgrounds. So, in order to write a string, we must wrap our string inside of quotes. Let's now add our name into Playgrounds wrapped in quotes:

In Playgrounds, your values also will appear inside of your Results panel. So, we now know that, in order to create a String, we need to use...