Implementing new features in StoreKit — Before you read this story, note an updated version [as in code] can be found here. Subscriptions, Receipts, and StoreKit in iOS 14 The gold standard of in-app purchases and subscriptionsmedium.com Much of the buzz at WWDC2020 was given over to SwiftUI 2.0 …

A look at some different ways to link a class with a SwiftUI interface — I was playing around with SpriteKit, and it occurred to me that it might be a good exercise to remind myself of how many different ways I could link my SwiftUI code with my SpriteKit scene/class. …

Using SKSpriteKit with SwiftUI — I’m a fan of SwiftUI. I have been using it since its launch in 2019. In those five years, it has come a long way and had many updates, although some argue it isn’t ready for prime-time. One of those prime-time features not available within SwiftUI is the iOS physics…

How to integrate these frameworks — I published an article about future libraries coming to Swift in this paper. …

Let’s also use the SwiftUI Charts framework to get a better understanding of the values returned — Bon — so my muse is to build some hands-free apps, using FaceID capabilities of high-end devices like the iPhone 14 Pro and the iPad Pro. I tried to do tasks here and here with some success, but I still felt it was simply too hard to use and unreliable…

Building a custom picker view in iOS — One of the most stylish controls in SwiftUI and UIKit is the picker view. It just looks terrific. It is a great control, but for the fact that you cannot lay it out horizontally or make it particularly dynamic. …

Continuation of the article “Using face recognition to control an app” — Bon, this is a continuation of this article, where I described how I built an app that tracked my gaze. The app worked reasonably well and yet didn’t. After looking at the code and thinking about restructuring it repeatedly, I wanted to build a solution that would learn by itself…

Bring your app to life through an investigation into the challenges faced — In 2002 Steven Spielberg produced a movie about beings able to see into the future — a subject that is a little beyond this article, although I would like to focus on one of its muses — cameras with iris scanners allowing the authorities and the police to follow you…

A comparison between the two tools — When I began this article, I intended to talk about animating the chess set app I have spent the last few weeks documenting. But as I looked into the subject, I realized that Apple had very different ideas on this to their previous frameworks with both SceneKit and SpriteKit. You…