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…

If you thought UIKit was getting pushed to the side with the rise of SwiftUI, you were wrong. There's a lot that's new, improved or revamped - let's take a look.

In this Server-Side Swift tutorial you will learn how to setup MongoDB and use MongoKitten to run basic queries, build Aggregate Pipelines and store files with GridFS.

I recently started the adventure of building PSPDFKit with the Swift trunk development snapshot. I did this both in order to verify a fix for the SR-12933 LLDB debugging issue and to be better prepared for the Xcode 12 release at WWDC.

You must have come across @objc and dynamic keyword while coding in Swift. Compiler gives error if you are not using @objc when it is…

WidgetKit is a framework for Apple platforms, that allows you to create widgets for iOS, iPadOS and macOS. Widgets needs to be written in Swift and SwiftUI.

A friend of mine was having a problem with a generic function they’d written. I’ve simplified it quite a bit to post, but the essence was:
func foo<T>(_ n: T) -> T where T: Numeric { return n * (4 as! T) } They could call it with an Int just fine, but when…