iOS Concurrency with GCD & Operations

Learn how to add concurrency to your apps! Keep your app’s UI responsive to give your users a great user experience, and learn how to avoid common concurrency problems, like race condition, priority inversion and deadlock.

watchOS: Complications

Learn how to develop one of the most compelling and useful features of the Apple Watch: Complications.

Apple Health Frameworks

This course will walk you through the steps of making a health app using all the Apple Health Frameworks. Learn how to use HealthKit, CareKit and ResearchKit together to make a seamless app.

Supporting SwiftUI with Core Graphics

Learn how to support SwiftUI drawing with Core Graphics! This course picks up where our Drawing in iOS with SwiftUI course left off. You’ll enhance the Open Mind app with help from UIKit and Core Graphics. You’ll learn how to integrate UIKit views with SwiftUI, use UIKit touch methods to capture Apple Pencil drawing, and make the whole drawing view a UIControl that we can plug into any of our future SwiftUI apps.

Modern Concurrency: Beyond the Basics

Build on your knowledge of async/await, tasks and asynchronous sequences to use concurrent tasks in safe, performant and predictable asynchronous apps. Learn how to create and use custom AsyncStream sequences, continuations, task groups and custom actors.

Modern Concurrency: Getting Started

Learn how to use Swift’s new native model for writing safe, efficient concurrent code. Create safe, performant and predictable asynchronous apps using these Swift concurrency features:

Advanced Networking with URLSession

Dive deeper into URLSession. Learn how to upload data and how to perform background downloads. Work with sockets and use WebSockets for real-time messaging. Learn about authentication, App Transport Security, and cookies.

Beginning Networking with URLSession

Learn how to use URLSession, Apple’s networking API, including how to download data, show download progress, group multiple network requests, handle errors, and more. Learn about concurrency and how it plays a role in networking, perform downloads. Updated for iOS 15 and Swift 5.6.

Building with Bazel

Bazel is an open source build system created by Google for compiling large complex codebases. This courses teaches the basics of using building from writing a very simple Java application to compiling an Android app with a lots of dependencies.

✨ Made in collaboration with Spotify ✨

In-App Purchases

Updated for 2022! In-App Purchase offers additional revenue streams for developers other than the initial purchase from the App Store. This can be great for unlocking functionality, providing additional content or for in-game currency.

This course covers the dance with App Store Connect, integration with StoreKit, restoration of previous purchases and transaction validation, by the end of the series you’ll have a great understanding of the concepts behind IAP.

Drawing in iOS with SwiftUI

Learn about drawing using SwiftUI by creating custom controls using a combination of SwiftUI and Core Graphics. Covers shapes, colors, drawing with Pencil, and how to integrate them into a non-trivial app.

Units & Measurement in iOS

Learn how to model units of physical quantities with Measurements and Units from Foundation for safer conversion and display of meaningful values.

Wrangling Dates & Time in iOS

Understanding the deep technical details how dates and time work in iOS is immensely helpful for developing apps—every single day, month, and year! Learn the foundational structures behind working with dates and time in iOS. Then, apply your date modeling to SwiftUI views.

Creating Multiplatform Apps with SwiftUI

Learn how to build an app for multiple platforms including iOS, iPadOS, macOS, watchOS and tvOS all by leveraging the power of Swift and SwiftUI. Build a task timing app that keeps track of your favorite tasks and how long you need to complete them.

Gestures in SwiftUI

Learn how to use SwiftUI’s Gestures to add dynamic touch interactions to your apps. Quickly add one of SwiftUI’s five basic gestures, customize gestures for more control, and combine multiple gestures to build more sophisticated interactivity.

CloudKit

CloudKit is Apple’s remote data storage service. Based on iCloud, it provides a low-cost option to store and share app data.

Handling Keyboard & Pointer Interactions in SwiftUI

Learn how to handle the iOS keyboard, external hardware keyboards, and pointer interactions in a SwiftUI app.

Beginning Firebase for iOS

Firebase is a mobile-backend-as-a-service that provides several features for building powerful mobile apps. Learn how to use the Firebase SDK in your SwiftUI apps, and leverage the power of two of Firebase’s core features: Cloud Firestore database and Authentication to build powerful apps without writing a single line of server code.

Testing in iOS

Testing is a great way to help ensure the pieces of your app remain functionally correct and bug-free. Explore Unit Testing, UI Testing, Test-Driven Development, and more!

Core Haptics

Learn how to create and play haptic patterns, synchronize audio with haptic events, and create dynamic haptic patterns that respond to external stimuli.

Higher-Order Functions in Swift

Learn what higher-order functions are, and how to write and use them in Swift. Expand your understanding with examples from the Swift Standard Library, the new Swift Algorithms framework, and SwiftUI.

Debugging UIKit Views with Reveal

Learn how to use the Reveal app to find and fix layout and rendering problems in UIKit views. Brought to you by the fine folks at Itty Bitty Apps.

Local Receipt Validation in iOS

The course will walk you through the process of writing custom validation code for validating receipts from the app store on your device. Learn about the various pitfalls of writing your own validation code and understand how it all works under the hood.

Integrate Combine Into an App

One of the best ways to test your Combine skills is to put them to use in an app! In this course, put the finishing touches on a Chuck Norris jokes app, using Combine to fetch jokes, translate them into another language, and even - as a bonus - learn how to use Combine with Core Data to save jokes to tell your friends later.