Book Image

Learn Swift by Building Applications

By : Emil Atanasov, Giordano Scalzo, Emil Atanasov
Book Image

Learn Swift by Building Applications

By: Emil Atanasov, Giordano Scalzo, Emil Atanasov

Overview of this book

Swift Language is now more powerful than ever; it has introduced new ways to solve old problems and has gone on to become one of the fastest growing popular languages. It is now a de-facto choice for iOS developers and it powers most of the newly released and popular apps. This practical guide will help you to begin your journey with Swift programming through learning how to build iOS apps. You will learn all about basic variables, if clauses, functions, loops, and other core concepts; then structures, classes, and inheritance will be discussed. Next, you’ll dive into developing a weather app that consumes data from the internet and presents information to the user. The final project is more complex, involving creating an Instagram like app that integrates different external libraries. The app also uses CocoaPods as its package dependency manager, to give you a cutting-edge tool to add to your skillset. By the end of the book, you will have learned how to model real-world apps in Swift.
Table of Contents (14 chapters)
Adding Interactivity to Your First App


In this chapter, we became familiar with Swift 4 basics. We now know what variables and constants are. We can use basic types, the if and switch statements, and loops, and we can define functions. These are the smallest key building blocks that we will need to start our adventure in Swift 4 and the iOS/macOS/watchOS world.

In the next chapter, you will become familiar with Xcode—the development environment software that is really handy when we are writing code in Swift. You will develop your first playground, which is a nice tool to check and demo the code. You can use everything learned in this chapter, and, in the end, you will be familiar with how to add descriptions using a markup language to make your playgrounds and functions well documented. Don't spend a minute more—find a macOS and move to the next chapter to get your hands dirty with some real code.