Learn the complexities of nullability in Swift and Objective-C, common bugs, and how to work around them.

During the last year, I totally understood the power of a single source of truth and a state container that holds the whole app state in a single place. I’ve used this approach in a couple of my apps and continue to use it in new projects.

Exploring iOS, SwiftUI & much more.

If SwiftUI is great for many things, migrating completely an existing app codebase to it can be really tricky. In a series of blog posts, I’ll share how to migrate an iOS app written in Swift with UIKit to SwiftUI. Today, let’s start with the navigation and…

Part 4 in the series "Building Lists and Navigation in SwiftUI". We will explore a NavigationView, UINavigationController equivalent in SwiftUI.

Xcode 12.5 brings many great updates and features. One of them is the ability to record a video of the app directly from the Simulator app.

Easily connect SpriteKit and UIKit and add amazing SpriteKit animations to a storyboard based application.

An easy question that you might overlook. Learn this simple fact together in this article.

With a few extensions, you can make working with CollectionViews and Compositional Layout a lot cleaner.

Code, content, tutorials, programs and community to enable developers of all skill levels on the MongoDB Data Platform. Join or follow us here to learn more!

SwiftUI has lots of ways to create rounded rectangles but what if you want to match the corner radius of a widget? Apple added ContainerRelativeShape to iOS 14 for that purpose.

We've shown how to dramatically streamline forms in the Composable Architecture, but it's time to ask "what's the point?" We apply the concepts previously developed to a real world application: [isowords](https://www.isowords.xyz). It's a word game built…

XCTExpectFailure allows us to configure assertions as expected to fail while continue to run other expectations. A benefit for refactoring.

How event handling logic can be neatly encapsulated using private methods.

How to avoid common memory-related issues when working with self and cancellable references within the context of Combine.

SwiftUI wasn’t built with keyboard support in mind, and it shows. Learn how you can rewrite keyboardShortcut to work with iOS 13 and access the underlying navigation controller to pop views on ⌘-Left Arrow.

How often do you see someone use DispatchQueue? Now how often do you see Operation and OperationQueue? I feel like the Operation class is severely underused in most apps. Granted, DispatchQueue works fine, and Operation is just a wrapper for Grand Central…

Result builders in Swift allow you to combine build components into a single outcome value. Code examples demonstrate how you can use them.