Many APIs from Apple come from an era of Objective-C and Delegate Patterns. How do we adapt those APIs for SwiftUI and create Publishers from delegates?

In our previous post, we talked about how to build a Publisher Factory. Here, we'll talk about how to use the factory for receiving and handling events.

Since iOS 10.3, Apple introduced a new feature that make possible to developers to offer App Icon customization to their users with…

Protect your iOS apps from jailbreak tweaks

Xcode supports an awesome Instruments tool to help us detect the Memory Leaks & fix them. One downside of this approach is we have to…

A travelers guide.

Where do you put your SwiftUI preview data? See how Xcode development assets can help.

SwiftUI has introduced the concept of “ ████ed views”, which gives you a really nice way to ████ the text and images from views. This is really powerful, but just because the view has been ████ed it doesn't mean the logic has also been ████ed. We show…

This week we will continue the series of posts about the app and scene lifecycle in SwiftUI. Today we will concentrate on scene management and the features that the new Scene protocol provides us to replace the old SceneDelegate.

How and when to apply different modifiers based on conditions.

Add RawRepresentable conformance to a custom type that represents a setting or a view state in SwiftUI to be able to save it in AppStorage or SceneStorage.

This week we will talk about another excellent UI component called OutlineGroup. Apple released OutlineGroup during the WWDC20 side-by-side with other great things, including grids, menus, and toolbars. I already covered them in my previous posts. And finally…

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SwiftUI provides an easy way to convert to render any view into a placeholder style by redacting its content.

Learn how to write unit tests for delegate/protocol methods.

The final build of iOS 14.0 will be released soon, and it’s about time to make sure our apps are running great on iOS 14. This year Apple…

A tip for more dynamic navigation.

An overview of the key new UICollectionView APIs introduced in iOS 13 and 14, such as compositional layouts, diffable data sources, and cell registrations.

When writing iOS apps, we regularly run into code that is asynchronous. Sometimes you know you’re writing something that will run asynchronously and other times you’re passing a completion handler to…

We tried out SwiftUI for creating a liquid-like motion graphics with spring animation. We chose a flow of several sequential screens as our canvas.