Implementing the StoreKit framework in SwiftUI — A quick disclaimer: This article is based on iOS 13 and Swift 5.x. I should also mention for beginners in this domain that the StoreKit framework can only be used if you are a registered Apple developer. I put together a more recent one here. StoreKit will not work on…

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 and ARKit, so you should forgive yourself for missing a seismic change to the StoreKit framework — a change that will make…

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. …

Create your own version of the classic game in code — In 1979 Alexey Pajitnov created a game that he called Tetris. A game that would become a 2D classic with a huge following that is still alive and kicking today. A game with some great coding challenges within it. Join me as I try and build Tetris using SwiftUI. Gameplay Bon…

A look at how to change the geometry of an object in SceneKit — I recently watched the Steve Jobs movie again and couldn’t help but reflect on how the man changed two industries in his life. …

Using SceneKit in a different light — Using text in SceneKit isn’t easy — Both SwiftUI and UIKit are easier. Join me in this article to understand how you can do so — along with a second goal of creating some unique text effects to help your app stand out from the crowd. The Journey To begin with, then…

A stab at recreating the symbols browser presented @ the WWDC2021 — In WWDC22, Apple announced that it had expanded the SF Symbols library. A library that it launched alongside the SwiftUI framework in 2019. A library with some 4000+ symbols now, it seems. Symbols that they had previewed with a visually appealing interface in WWDC21.

Playing qubic against the computer — A continuation of the paper describing how to create a 3D game of tic-tac-toe. Verification Picking up where I left off, I needed to verify that I had all the winning lines. …

A stab at creating the classic Qubic game — The tic-tac-toe game dates back a long time, with boards Wikipedia tells us turning up in places like ancient Egypt. It is a game that a company called Parker Brothers updated in 1964 with a 3D version called Qubic. In their game, you have a cube that is 4x4x4 squares…