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Two new sizes as the Pro phones grow in size, and weight, and get even smaller bezels. Here’s what you need to know about the iPhone 16. The New Models in a Nutshell As in earlier years, Apple has discontinued the iPhone 15 Pro models and added features to the base iPhone 16 models. Apple […]
SwiftData gained support for predicate expression in iOS 18. How does it compare to the expressions we can use with Core Data? Core Data Queries with NSExpression When Apple launched SwiftData with iOS 17 there were some gaps compared to Core Data. A big one for me was the ability to create an aggregate query […]
Throughout my life, I have met several people who struggle to learn a new language, with some of them being unable to communicate at a basic level despite having studied for several years. I believe that learning a language is not a matter of talent, but that of dedication and following a good process. In […]
After a couple of years, I tend to get tired of looking at the same colour scheme in Xcode. Then I spend quite a bit of time looking for a new theme and then coming back with empty hands. Material default has served me for a while, but it never felt like a perfect colour […]
Apple added the Previewable macro to iOS 18. This generates the boilerplate wrapper view you need to preview a view with State bindings. What’s The Problem? I have mixed feelings about SwiftUI previews. When they work they can make creating a view an interactive experience. They can also be slow, break with confusing errors, and […]
Xcode 16 added a property to asset catalogs to opt-out of asset symbol generation. This is especially useful for Swift Packages which had no way to disable the project settings they inherited. Asset Catalog Symbol Generation – A Recap Xcode 15 introduced a feature to create Swift, and Objective-C, symbols for colors and images in […]
The Entry macro reduces the boilerplate when customizing the SwiftUI environment. Creating New Environment Values – A Recap Adding our own values to the SwiftUI environment is a common operation but it requires some boilerplate code each time. See SwiftUI Custom Environment Values for an example but here’s a quick recap: Create the environment key […]
Every year I watch WWDC and write down some notes. But I’ve just realized that I’ve never shared those notes and it felt like something I should do, so I’ve decided to do just that! My approach is to pick a handful of sessions that are immediately useful / interesting to me and ignore the […]
Disclaimer: The trick I’m going to show here is quite powerful, but like every other underscored attribute in Swift, this is something you should avoid messing with unless you know exactly what you’re doing. There are lots of pitfalls attached to these attributes, and the behavior of underscored attributes can change at any time and […]
Software engineering book recommendations The following is a list of software engineering books I’ve read that I felt had a strong and lasting positive impact on my career. It’s not a list of everything I enjoyed (that would be impossible to list down), but rather a special list of resources that taught/helped me so much […]