Let’s take a look at how we can utilize Swift’s various collection slicing APIs, and how doing so can help us boost the performance of various algorithms and functionality.

Catch more bugs using Xcode test plans to run your tests with different localizations, sanitizers and environments.

In this article, we focus on iOS App Security and show you concrete techniques on how to improve security in your iOS apps.

Assistant editors, Minimap, SwiftUI previews, fix all errors, multiple cursors, and more

Learn an easy way to create link previews without using the LinkPresentation framework, which is only available on iOS 13+

Why using just MVC/MVVM/VIPER isn’t enough

As iOS developers, one of the tasks that we end up working on again and again is implementing a search screen. If our app requires us to…

Another core piece of functionality arrived in Swift 5.1 - built in diffing. Let's take a look.

Learn how to transform the output of publishers by applying map, flatMap and compactMap operators. Understand the differences between them, and when each should be used.

Presenting UIKit view controllers in SwiftUI is simple, but things become more complicated when they communicate through delegation. In t...

How to use the Speech framework to detect speech on iOS.

How to use UIViewController and UIView in SwiftUI with Swift 5? How to pass data between UIKit and SwiftUI? What is the lifecycle of UIViewControllerRepresentable and UIViewRepresentable? These are the questions to answer in this SwiftUI tutorial.

I’m thrilled to announce a new open-source project for the Swift ecosystem,
Swift Crypto. Swift Crypto is a new
Swift package that brings the fantastic APIs of Apple
CryptoKit to the wider
Swift community. This will allow Swift developers, regardless of the…

Key path expressions as functions, callAsFunction, and more

Let’s explore two of Swift 5.2’s new features, that both give the language some really interesting capabilities from a functional programming perspective.

Languages that have a rather low barrier to entry often struggle when it comes to performance because too much is abstracted from the programmer to make things simple. Therefore in those languages, the key to unlock performance is often to write some of the…

Learn how to expand and collapse list rows with animation in SwiftUI by using List and ForEach in this step-by-step tutorial.

One of my first posts on this blog was about using the ViewModel pattern in iOS apps. I’m still using this concept in some old school UIKit projects. But I think it’s time to remaster that post. This week we will talk about building reactive ViewModels using…

As software engineers of BetterMe, we always try to adopt the latest technologies and tools, so we decided to try SwiftUI in our new…