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.

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.

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.

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.

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!

SwiftUI Charts for WidgetKit

Learn how to use SwiftUI to create a series of different charts, and then how to use WidgetKit to display them on a user’s home screen.

Face Tracking with RealityKit

Learn how to leverage RealityKit and Reality Composer to build engaging AR experiences focused on tracking facial movement and expression, add props and behaviors to face anchors in Reality Composer, and drive animations for 3D content in augmented reality with your facial expressions.

Smart Lighting with HomeKit in watchOS

Learn to use HomeKit in watchOS to control light bulbs in your home. HomeKit is versatile, so most of what you learn here will apply to any type of smart device.

Multipeer Connectivity in iOS

In this course, you'll learn how to use Multipeer Connectivity: Apple's framework for transferring data between devices with no external network.

Reusable SwiftUI Views in the raywenderlich.com App

Build two of the custom SwiftUI views used throughout the raywenderlich.com app. Get a glimpse into how we used SFSymbols, managed colors, and made the most of live previews.

Advanced MapKit

Level up your MapKit knowledge! Learn how to customize your maps by way of custom drawing. Discover the difference between an overlay and a renderer, and how you can use those components to expand the map by providing more information, or by creating an entirely map using your own map tiles.

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.

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.

MetricKit

See how to utilize Apple's recently released framework MetricKit and to create a Vapor Swift backend that receives the data.

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.

Exploring UIKit Internals with Hopper Disassembler

Explore private UIKit APIs using the reverse engineering tool Hopper Disassembler and then use your advanced knowledge of UIKit's hidden secrets to your advantage in your own app.

Core Image: From CIImage to Metal and Beyond

Core Image is an oft-overlooked first-party framework on Apple platforms for the efficient processing of images and videos. It includes a wide range of built-in filters, as well as the ability to build your own custom filters using Metal. Discover how to integrate Core Image into your own apps, and how the optimized image processing can save your users time and battery life. Learn how to perform real-time video processing, and how you can extend Core Image by implementing your own custom filters directly in Metal.