Sometimes we need to invoke an async function for fetching data before presenting a SwiftUI view. Therefore, a common flow is showing a spinner while the data is being fetched and then showing the …

Blog about iOS development and musings on technology

I recently found myself trying to debug a most perplexing problem. Two identical strings were different. How could this be?

A layout tool that is easy to get started with but not easy to master

In this video I show you how to write your own Metal shaders for use with SwiftUI, so you can create beautiful special effects that run at blazing fast speeds. Get the code here: https://github.com/twostraws/Inferno

00:00 Introduction
09:19 Passthrough
14:50…

In this article, I will describe step by step how to configure Neovim to move away from Xcode. It took me several months to figure it all out piece by piece and to combine it into one working iOS development environment. Hopefully, it won't take you more…

Protocols are tricky to fully understand. In this article, you'll read how protocols are an umbrella for multiple implementations.

Enums are a data type that allow you to define your own values and work with them in a type-safe way. In this article, we'll create a TabView and utilize enums to define the data we need, in a type-safe way.

Understand how to properly use visual elements on your app's UI while keeping it accessible.

It seems an obvious choice to favour abstraction over an actual implementation. But what about extra maintenance costs? What do we need abstractions for anyway?

Learn how to use the content transition modifier to animate numeric text in SwiftUI.

Ensure the interface elements of your app properly inform their current value for assistive technologies

Glovo's app development focuses on modular architecture, efficient processes, and a robust team to ensure a top-tier digital experience.

Blazing-fast special effects for your SwiftUI apps.

Explore managing expected failures in Swift's XCTest with expert insights on balancing hard and soft skills in iOS development.

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Whenever we release a new version of our app where we made changes to our SwiftData models, we need to make sure that SwiftData is able to migrate between the old and the new schema to prevent data loss.

In this post, we’ll take a look at how to customize the menu bar of a macOS app, using SwiftUI tools like CommandMenu and CommandGroup.

In iOS 17, Apple added control over which column shows when a Split View collapses to a single column.

Discover how to apply hierarchical styling to text, buttons, shapes, images and labels. Improve your UI and UX with this styling.