Previews in Xcode become more powerful every year. Previews in Xcode are not about SwiftUI; you can use them even with UIKit. This week, we will talk about enhancing Previewable and PreviewModifier types, allowing us to build reusable preview environments.

Not too long ago, I was re-reading an “introductory” post I wrote. Honestly, I could barely make it though. I guess a big part was my own defintion of “introduction” when it comes to concurrency has been evolving. As I was reading, I kept imagining a true…

Learn how to provide suggestions when searching in a SwiftUI app by building an example app with real-time filtering, search suggestions, and recent search tracking.

Explore SwiftUI's `onChange` modifier “selective deafness” in multi-layer navigation. Understand why it might not trigger as expected and learn how to work around this issue.

Creating a firework effect with Metal and SwiftUI in a naive approach

Learn how to create machine learning models with Create ML

From the very first release of the SwiftUI framework, text fields were a weak point of the framework. Over the years, Apple introduced a few enhancements to text fields to improve the developer experience. This week, we will talk about the improvements that…

As a celebration for writing over 100 articles on mobile development, I wanted to share my own version of the Messages app that is built…

SwiftUI makes building UIs fast and fun, but debugging layouts can sometimes feel like solving a mystery. Misalignments, unexpected…

Stretching an audio file to a certain length can be useful to fix lipsync issues. Our previous approach didn't work for stretching small durations over a large amount of time. We now have a new solution.

Apple frameworks hide some public functions through the SPI, this post reveals how to find and use them in your projects

I'm Orestis Papadopoulos. I work as a software developer. This is my blog, I write about software, sounds and Swift.

Learn how to implement remote styling in SwiftUI apps to update UI remotely, enabling A/B testing and quick design iterations without App Store reviews.

Everything You Need to Know About Live Activities and Dynamic Island in iOS

We are excited to announce a brand new open-source library: Sharing. Instantly share state among your app’s features and external persistence layers, including user defaults, the file system, and more.

Swift’s new modern testing framework is entirely driven by asynchronous code. This means that all of our test functions are async and that we have to make sure that we perform all of our assertions…

The 2024 App Store Awards recognized 17 apps and games that empowered users’ creativity, introduced a world of new adventures, and more.

Share your videos with friends, family, and the world

Use an SF Symbol in Swift & SwiftUI and explore over 6,000 free-to-use icons provided by Apple for app developers.

Getting started & first impressions