Detecting hover events in SwiftUI couldn’t be easier. — View modifiers exist in SwiftUI in order to help us change the appearance and behavior of views easily. In the long list of them some work with particular views only and some other are intended to be used with any view. …

Create that special kind of button on macOS programmatically without hassle — AppKit framework exposes a variety of buttons to layout when implementing macOS apps, so we can provide users with the most appropriate controls to use when interacting with the app’s interface. Even though NSButton is the basic class to create buttons, there is a subclass of it named NSPopupButton, which…

A new view modifier makes the job easy. — Back in time I had written a post about sheets in SwiftUI, discussing how to present and work with them. Although the content of that tutorial remains valid, new interesting additions to sheets were introduced in WWDC 2022 that definitely deserve a new post to talk about them. Given that…

A game changer protocol in Swift — In WWDC 2022 and among other interesting announcements, Apple presented a new protocol in Swift, named Transferable. In a nutshell, Transferable makes it really easy and absolutely straightforward to copy data either among different spots within the same app, or even different apps. …

A quite common structural design pattern presented through a practical example. — The facade (spelled façade) design pattern is a pretty common pattern that’s usually easy to adopt. Having taken its name from the front side in architecture and buildings that hide their internals, chances are that you have already put it in motion, even without realizing it. What the facade pattern…

A few guidelines for smooth testing of concurrent code. — In an ideal world, testing should be part of the development process of an app. The truth, however, is that testing is not always in the mix, and that’s mostly because it requires additional time; an asset that’s often missing from developers, especially when it’s necessary to meet deadlines. …

It’s necessary to be resourceful in unexpected situations when programming. — Well, this post is about a specific issue that I recently met in SwiftUI and I would like to share here. Comparing to UIKit, SwiftUI is still an infant, yet it’s not that new so we still have many dark points about it. …

Treat enum cases as if they were collections with a single move. — Enums are a vital programming tool in Swift, as they allow to define types that enumerate related values and therefore write code that’s safe and specific. As we all know, enum cases can be either simple, or with associated values that store additional data tied to them. Regardless, it’s often…

It’s not hard to mutate original provided arguments in functions, it’s just risky sometimes! — When coding in Swift, we usually don’t need to mutate the arguments that we provide to functions, and then make these changes visible back to the call site. We mostly use them as inputs to calculations or other expressions, and if necessary, we return some value from functions. …