Variadic Parameters can clean up your code and improve readability on implementation level. Learn about its usage and limitations.

How to unit test code that’s based on Combine publishers, and how Combine’s built-in API can be augmented with test-specific utilities.

To move an existing iOS app codebase to SwiftUI can quickly become a challenge if we don’t scope the difficulties ahead. After covering the navigation and design layer last week, it’s time to dive deeper into the logic and handle the code migration for a…

Learn about providing your app’s privacy practice details in App Store Connect for display on your App Store product page.

Let's see how we can create layout similar to the native Photos app in iOS. Complete with the transitions.

Let's see how we can create our own app-wide HUDs in SwiftUI!

A quick follow-up and a sneak peek of a new Swift 5.4/Xcode 12.5 @resultBuilder feature.

I spent last weeks sharing more about type-safety and building robust APIs in Swift. I want to continue the type-safety topic by talking about GraphQL. GraphQL is a query language for your API. This week we will talk about the benefits of GraphQL, and we…

Learn how to implement a custom popup, a popover, a sheet, and a snackbar message in SwiftUI with complete code examples.

I recently got a bug report for Transparent App Icons to the effect of "I tried to paste in a transparent image, but it didn't work." After cropping the background to create a "transparent" image users can use for their Shortcuts icons, the app allows the…

Explore the Link Presentation framework in iOS 13, empowering developers to create visually rich links. Learn how to fetch metadata and display live previews of URLs in your app's UI effortlessly.

How elements containing missing or invalid data can be automatically ignored when using Swift’s Codable API to parse JSON.

As our codebase scales, the need for cleaner architecture becomes more apparent. The dependency inversion principle (DIP) is one tool that helps us build cleaner relationships among our software modules. In this post, DIP is presented using atomic modules…

A quick guide to creating your own custom SwiftUI environment values.

Meet the multithreading tools offered by Apple on all their platforms, and learn to choose the right one for your needs.

Lazy collections can increase performance if used correctly. Learn how they work, how they compute and result in increased performance.