Advanced Swift: Protocol Oriented Programming

Swift protocol oriented programming gives you the power of object oriented programming with better composability and without the baggage of class inheritance.

iOS 11 Screencasts: What's New in Foundation

Parsing JSON in Swift 4, with or without custom decoding, is vastly improved using the latest version of Foundation. You'll also learn some new Key Value Observing (KVO) features!

Advanced Swift: Generics and Protocols

The generics system and protocols are the heart of the Swift language. Learn how it all fits together in this course.

Swift Code Katas

In Swift Code Katas you'll practice your most important skill as a developer - coding! Hone your skills with these challenges and become a better developer.

Dynamic Type

A series of screencasts focused on using Dynamic Type in iOS.

What's New in UIKit

What's New in UIKit

Advanced Swift: Types and Operations

An idea central to Swift is to use types to guarantee correctness. Find out how in this course focused on types and operations.

Continuous Integration

Learn the basics of continuous integration and how to set it up for a GitHub project.

You'll take a look at three different CI solutions to build and test your app: GitHub Actions; Bitrise; Jenkins.

You'll also learn how to use pull requests to validate new code and ensure that it builds and all the tests pass.

iOS Views and Animations: Learning by Stealing

In this course we'll deconstruct a complex button from a popular iOS VPN app, and figure out how to rebuild it. Covering Core Animation, UIView and Swift.

Advanced Swift: Values and References

Swift mutation model uses values and references to improve local reasoning and maintain performance. Find out the details in this course.

Advanced Swift: Memory Management

Memory management works like magic most of the time - until it doesn't. Find out what you need to watch out for in this course.

What's New in Swift 4

Find out what's new in the latest version of Swift, including Range, String, and Dictionary enhancements. If last year’s changes for Swift 3 still cause you uncontrollable night terrors, you’re in for a pleasant surprise with Swift 4!

Advanced Swift: Error Handling

Production code is all about handling errors: programming errors, user input errors, asynchronous errors. This course covers the error fundamentals you need to know.

WWDC 2021: AsyncSequence vs. Combine

AsyncSequence is a new protocol in Swift 5.5 that offers facilities for processing asynchronous data. But is it a Combine replacement…? Let’s find out!

What's New in Xcode 9

What's New in Xcode 9

Drawing in iOS with Core Animation and Core Graphics

Learn to use CALayers with confidence and add custom drawing to layers and views using Core Graphics.

Beginning ARKit

In this course, you will explore ARKit from getting to know how it works, to adding new furniture in your room and identifying 3D objects from the camera.

Advanced Swift: Sequences, Collections and Algorithms

Sequences, collections and algorithms in the Swift language are an amazing abstraction that you really need to know about. Learn the details in this course.

Advanced Swift: Unsafe Memory Access

Did you know you can call C-malloc straight from Swift? Swift lets access the machine at its lowest level. This course will show you how.

SOLID in Real-World iOS Apps

Get an overview of the SOLID code craft guidelines, how they apply to Swift code, and how you can refactor your current code towards them.

Machine Learning in iOS

With Core ML, it's now possible to use machine learning in real-time on iOS devices. In this course, you'll learn to train models on a Mac and use them for data analysis.

Combine in the raywenderlich.com App

Take a look at how Combine is used to power parts of the open-source raywenderlich.com app based on changes that get stored in User Defaults.

Fastlane for iOS

Learn how to use fastlane to automate core iOS workflows and avoid common Developer Portal and App Store Connect problems.

Dramatically speed up and error-proof building, testing, and delivering apps, removing hours of laborious & error-prone steps from every build cycle.

Kotlin/Native and Multiplatform

In this course, you will be introduced to Kotlin/Native and build a Kotlin Multiplatform app that runs on both iOS and Android using shared Kotlin code.