The best investment for your mobile development career

Concurrency by Tutorials

Dive Into Concurrency in Your iOS Apps!

What is concurrency, and why would you even want to use it in your apps? Find out everything you need to know in this book. Learn about Grand Central Dispatch, Apple’s implementation of C’s libdispatch, also known as GCD — one of the simplest ways to queue up tasks to run in parallel. Then, take on Operations & Operation Queues for when GCD doesn’t quite cut it; you’ll learn how to further customize and reuse your concurrent work. You’ll then learn common concurrency problems that you could face while developing concurrent applications, such as Race Conditions, Deadlocks, and more. Finally, understand threads and Thread Sanitizer and the various threading-related concepts and how these connect to the knowledge you’ve accumulated throughout this book. You’ll also learn how to use Thread Sanitizer to ease your debugging when things go wrong.

Combine: Asynchronous Programming With Swift

Learn all about declarative asynchronous programming with Swift using the Combine framework!

Writing asynchronous code can be challenging, with a variety of possible interfaces to represent, perform, and consume asynchronous work — delegates, notification center, KVO, closures, etc. Juggling all of these different mechanisms can be somewhat overwhelming. Does it really have to be this hard? Not anymore!

With Apple’s introduction of the Combine framework in WWDC 2019, declarative and reactive programming in Swift have become a meaningful aspect of the language and a game-changer in how developers perform and compose pieces of asynchronous work, making it a must-have tool at your disposal.

The introduction of Combine as a built-in framework in Apple’s ecosystem is promising news to developers who were interested in frameworks such as RxSwift or ReactiveSwift, but didn’t want the overhead of a third-party dependency. And while experience with either of the above is useful, it’s not a prerequisite for this book. You’ll learn everything from the ground up to become a true Combine master.

What Is Combine?

Combine is Apple’s framework to work with asynchronous events in a unified and reactive way that ensures your app is always up to date based on the latest state of its data.

What are these asynchronous events, you might ask? Anything that happens over time in your application can be represented by what is known as a Combine Publisher — network requests, user input, notifications, KVO, and much more. And since Combine unifies all of these different mechanisms under a single interface, this opens the door to interesting and powerful ways of composing logic and work in a declarative and universal way.

Advanced Apple Debugging & Reverse Engineering

Learn the powerful secrets of Apple’s software debugger, LLDB!

In Advanced Apple Debugging & Reverse Engineering, you’ll come to realize debugging is an enjoyable process to help you better understand software. Not only will you learn to find bugs faster, but you’ll also learn how other developers have solved problems similar to yours.

You’ll also learn how to create custom, powerful debugging scripts that will help you quickly find the secrets behind any bit of code that piques your interest.

After reading this book, you’ll have the tools and knowledge to answer even the most obscure question about your code — or someone else’s.

This book is for intermediate-to-advanced iOS/macOS developers who are already familiar with either Swift or Objective-C and want to take their debugging skills to the next level.

Data Structures & Algorithms in Dart

Perhaps you’ve heard about Big O notation, stacks and queues, or bubble sort and quicksort. You’d like to learn more, but it’s hard to find any good examples and explanations that use your favorite programming language, Dart.

Data Structures & Algorithms in Dart is here to help with in-depth explanations, copious illustrations, and step-by-step examples. The book begins by reviewing fundamental data structures like lists and maps and then goes on to teach you how to build other important structures from scratch, including stacks, linked lists, queues, trees and graphs. From there you’ll use these data structures to understand and write many different traversal, searching and sorting algorithms. All along the way, you’ll learn how to analyze the efficiency of your code and express that efficiency using Big O notation.

SwiftUI by Tutorials

Build fluid and engaging declarative UI for your apps — using less code — with SwiftUI!

SwiftUI by Tutorials is designed to help you learn how to transition from the “old way” of building your app UI with UIKit, to the “new way” of building responsive UI with modern declarative syntax with SwiftUI. This book is for readers who are comfortable building Swift apps, and want to make the exciting leap into building their app UI with modern, declarative code.

What is SwiftUI?

SwiftUI lets you build better apps, faster, and with less code. It’s a developer’s dream come true! With SwiftUI, you can design your user interfaces in a declarative way; instead of developing app interfaces in an imperative way, by coding all of the application state logic before time, you can instead define what your app’s UI should do in a particular state and let the underlying OS figure out how to do it. What’s more is that SwiftUI lets you build modern, responsive UI and animations for all Apple devices — not just iOS. So whether you’re building apps for iOS, watchOS, tvOS or any other Apple platform, you can use the same concise, natural language to describe your UI and have it look stunning — no matter where your code runs. In addition, SwiftUI’s built-in automatic support for things such as dark mode, localization and accessibility, along with Xcode 11 support for drag-and-drop design and instant preview makes it easier to build apps than ever before.

How is this book different than SwiftUI Apprentice?

Our other book on getting started with SwiftUI, SwiftUI Apprentice, is designed to teach new developers how to build iOS apps, using a SwiftUI-first approach. The goal of that book is to teach you fundamental development practices as you build out some fully-functional and great-looking apps! This book, SwiftUI by Tutorials, is designed for developers who have a solid background in iOS development, and are looking to make the leap from building apps with UIKit, to building apps with SwiftUI.

Swift Apprentice: Beyond the Basics

Swift Apprentice: Beyond the Basics is the sequel to Swift Apprentice: Fundamentals and explores additional Swift programming concepts. These topics include such things as access control, code organization, testing, property wrappers, result builders, concurrency, value semantics, and memory management, presenting them using interactive playgrounds that the reader can follow along with.

macOS Apprentice

macOS Apprentice is a series of multi-chapter tutorials where you’ll learn about developing native macOS apps in Swift, using both SwiftUI — Apple’s newest user interface technology — and AppKit — the venerable UI framework. Along the way, you’ll learn several ways to execute Swift code and you’ll build two fully featured apps from scratch.

If you’re new to macOS and Swift, or to programming in general, learning how to write an app can seem incredibly overwhelming.

That’s why you need a guide that:

Shows you how to write an app step-by-step. Uses tons of illustrations and screenshots to make everything clear. Guides you in a fun and easy-going manner.

You’ll start at the very beginning. The first section assumes you have little to no knowledge of programming in Swift. It walks you through installing Xcode and then teaches you the basics of the Swift programming language. Along the way, you’ll explore several different ways to run Swift code, taking advantage of the fact that you’re developing natively on macOS.

macOS Apprentice doesn’t cover every single feature of macOS; it focuses on the absolutely essential ones. Instead of just covering a list of features, macOS Apprentice does something much more important: It explains how all the building blocks fit together and what is involved in building real apps. You’re not going to create quick example programs that demonstrate how to accomplish a single feature. Instead, you’ll develop complete, fully-formed apps, while exploring many of the complexities and joys of programming macOS.

How is this book different than macOS by Tutorials?

Our other book on building apps for macOS, macOS by Tutorials, is designed for developers who have a solid background in iOS development and are looking to make the leap to developing native macOS apps.

This book, macOS Apprentice, is designed to teach new developers how to build macOS apps while assuming they have little to no experience with Swift or any other part of the Apple development ecosystem.

SwiftUI Apprentice

SwiftUI Apprentice is a series of epic-length tutorials where you’ll learn to build three complete apps from scratch, using Apple’s new user interface technology: SwiftUI! Each app is more advanced than the one before, and together, they cover everything to make your own apps using SwiftUI. By the end of the book, you’ll be experienced enough to turn your ideas into real apps you can sell on the App Store. These tutorials have easy to follow step-by-step instructions and consist of more than pages and illustrations! You also get full source code, image files, and other resources you can re-use for your own projects.

If you’re new to iOS and Swift, or to programming in general, learning how to write an app can seem incredibly overwhelming. That’s why you need a guide that:

Shows you how to write an app step-by-step. Uses tons of illustrations and screenshots to make everything clear. Guides you in a fun and easy-going manner.

You’ll start at the very beginning. The first section assumes you have little to no knowledge of programming in Swift for iOS but still shows you how to build an entire fitness app from scratch using SwiftUI. SwiftUI Apprentice doesn’t cover every single feature of iOS; it focuses on the absolutely essential ones. Instead of just covering a list of features, SwiftUI Apprentice does something much more important: It explains how all the building blocks fit together and what is involved in building real apps. You’re not going to create quick example programs that demonstrate how to accomplish a single feature. Instead, you’ll develop complete, fully-formed apps, with beautiful, professionally-designed user interfaces, that are good enough to submit to the App Store!

How is this book different than SwiftUI by Tutorials?

Our other book on building apps with SwiftUI, SwiftUI by Tutorials, is designed for developers who have a solid background in iOS development and are looking to make the leap from building apps with UIKit, to building apps with SwiftUI.

This book, SwiftUI Apprentice, is designed to teach new developers how to build iOS apps, using a SwiftUI-first approach. Its goal is to teach you fundamental development practices as you build out some fully-functional and great-looking apps!

watchOS With SwiftUI by Tutorials

Build amazing apps with SwiftUI for Apple Watch

The Apple Watch is, by far, the most common smart watch in the market. Its sales have even surpased those of its analog competitors. With this book you will learn how to develop native watchOS applications for this popular device. And at the same time, to do so, you will be using one of the newest and most moderns UI frameworks developed by Apple, SwiftUI.

Jetpack Compose by Tutorials

In this book, you’ll learn how to build a powerful app using Jetpack Compose, how to style your apps using Material Design, special animations and state transitions, how to use modifiers and much more! This book will serve you as a central point that holds all the information you need to dive deep into Jetpack Compose, then apply it to your personal and production level projects.

You’ll focus on learning Jetpack Compose not only through theory, but also through real-world project examples.

After reading this book, you’ll become a true expert on the topic and you’ll learn how to switch your mindset and start to think in Jetpack Compose and declarative programming.