Connect with fellow developers and Apple experts as you give and receive help on a wide variety of development topics, from implementing new technologies to established best practices

Color Blended Layers, Offscreen-Rendered, and more — all without Xcode.

Swift Async/await is still not here, but using a task-based approach gets us pretty far in proposed functionality and close in similarity.

What are Swift Literals and how do they work?

Implement a SwiftUI paginated list with endless scroll using the Combine framework and MVVM iOS app architecture.

WWDC20 is already around the corner, and we are waiting for massive changes and additions to the SwiftUI framework. It is a perfect week to wrap up the season with a post about one of the strongest sides of the SwiftUI framework, which is animation. Today…

A view controller is one component where memory leak usually takes place since it holds many pieces together. One of the easiest ways to detect them is to see if a view controller is not being deallocated. Let's see how Xcode breakpoint can help you find…

How to natively draw gradients on iOS and macOS with CAGradientLayer

Using Lottie, Firebase Remote Config and UserDefaults we can change our app Loader or Spinner over the air without releasing a new app…

If you have a Combine publisher and you want to ignore the first elements that are published by that publisher, you can use the operator. This operator will swallow any values emitted until the…

A guide to building complex layouts

Learn about the different Error Protocol Specializations in Swift.

A post exploring the keyboard options on SwiftUI. From the keyboardType function to using custom views like a picker view

flatMap in Combine is not what you would expect, but is perhaps the most important operator you have at your disposal.

I've been working with SwiftUI for almost half a year now, and in that time I've learned a lot. I love a lot about it, but there are also so many bugs and issues that need workarounds that it's kind of maddening.

WWDC Community: Learning and sharing together. Contribute to twostraws/wwdc development by creating an account on GitHub.

Configuring and testing In-app purchases is one of the most annoying, but most critical steps of building iOS apps. Apple just made the process a whole lot easier with fantastic new features announced at WWDC 2020!

I have been waiting for this day for the last nine months, and it has finally arrived. We saw the next iteration of the SwiftUI framework. Apple did a great job during the last year by improving SwiftUI and moving it towards by making it a standalone way…

WWDC20 brought a lot of new features into SwiftUI that I will discuss on my blog during the next weeks. Today I would like to start with the main additions to SwiftUI data flow with the brand new @StateObject, @AppStorage, @SceneStorage, and @ScaledMetric…