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.

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Table of Contents (14 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Swift Basics – Variables and Functions
Swift Basics – Variables and Functions
Variables
Enumeration types
Basic flow statements
Functions
Summary
2
Getting Familiar with Xcode and Playgrounds
Getting Familiar with Xcode and Playgrounds
Installing Xcode
Exploring Xcode
Playground
Summary
3
Creating a Minimal Mobile App
Creating a Minimal Mobile App
Your first iOS application
Summary
4
Structures, Classes, and Inheritance
Structures, Classes, and Inheritance
Structures and classes
Inheritance
Summary
5
Adding Interactivity to Your First App
Adding Interactivity to Your First App
Storyboards
Summary
6
How to Use Data Structures, OOP, and Protocols
How to Use Data Structures, OOP, and Protocols
Primary collection types
List of items in a playground
Table view in iOS app
Protocols
Summary
7
Developing a Simple Weather App
Developing a Simple Weather App
Defining the app screens
Model
Summary
8
Introducing CocoaPods and Project Dependencies
Introducing CocoaPods and Project Dependencies
Software – the modern way
Carthage
Swift Package Manager
Popular third-party libraries
Summary
9
Improving a Version of a Weather App
Improving a Version of a Weather App
Weather forecast API
Pure network requests
Summary
10
Building an Instagram-Like App
Building an Instagram-Like App
Tabbed app project
Firebase
Summary
11
Instagram-Like App Continued
Instagram-Like App Continued
Home screen
Profile screen
Search screen
Favorites screen
Polishing the home screen
Summary
12
Contributing to an Open Source Project
Contributing to an Open Source Project
Your account at GitHub
Forking a repository
Let's contribute
Pull request
Summary
13
Other Books You May Enjoy
Other Books You May Enjoy
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Preface

Learning Swift 4 by Building Applications is a book that teaches the basics of Swift in the context of iOS. If you finish the book, you should be able to develop small-to-medium mobile apps. You will know how to create the app UI in storyboard using Xcode, how to load and display images fetched from the cloud, how to save and load information between different sessions of the app, and how to share data between all users of the app using the cloud.

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