SwiftUI is a revolutionary framework announced by Apple in WWDC 2019 and you might've noticed that it looks pretty different from regular Swift. Let's see why.

That is WWDC week: everybody is so excited about so many new things like SwiftUI, Dark Mode, updateable Core ML models, etc. I will try to cover all the new stuff during the upcoming weeks. Let’s start with SwiftUI. SwiftUI is an entirely new approach to…

Learn how to create Property Wrappers in Swift. Use the @propertyWrapper to remove boilerplate, improve readability, and clean up code.

If you're working on an older project there's a few things that you'll need to do in order to reduce your app size with app thinning.

Danger is a library that sits on your CI and performs checks on the code. In this article you'll learn how to automate PRs with Danger.

Everyone is happy for SwiftUI, but a lot of production code won't be able to use it for a while. Don't worry though - you can still prototype your views using the newest Xcode Preview.

Updated for Xcode 11 and iOS 13

Last week at WWDC Apple announced a lot of exciting new features and frameworks. One of my favorites was the introduction of diffable data sources for UITableView and UICollectionView. Let us dive right in and see how it can be used in combination with U…

iOS apps often need scrolling interfaces. In this step-by-step guide I will show you why a UITableView is often more reliable than other solutions.

Learn different patterns of dependency injection in Swift 5 with this tutorial. We'll study property injection, initializer injection, ambient context and dependency injection container along with practical examples.

SwiftUI brings a new, declarative way to build UIs for Apple’s platforms, and also pushes the Swift language itself to new limits — by making heavy use of a set of key new syntax features, that are being introduced as part of Swift 5.1, in order to provide…

Nowadays Slack, some kind of CI and often Fastlane are default tools in a toolset of iOS developers. These tools serve their own purposes well, but wouldn't they do it better when they all work together? In this tutorial, I'll describe how to connect Slack…

This article will look at how SwiftUI's approach to declarative views compares to CwlViews, why the two approaches differ and what Apple changed to make this possible. I'll end with some thoughts about how this will affect macOS and iOS development.

This post provides an overview of how the code assistance feature in Xcode works and how you can debug code assistance problems in your projects.

This week, let’s take a look at a few techniques that we can use to prepare ourselves for undergoing major paradigm shifts when it comes to the APIs and technologies that we use to build apps — using the shift from imperative UI development with UIKit to…

A look back at a mind-blowing week for Apple platform developers, and a look forward at the future of software development.

Get a recap of the best sessions from WWDC 2019 and plan your learning path for the year.

Exploring iOS, SwiftUI & much more.

Last week we started a new series of posts about SwiftUI framework. Today I want to continue this topic by covering Property Wrappers provided by SwiftUI. SwiftUI gives us @State, @Binding, @ObservedObject, @EnvironmentObject, and @Environment Property Wrappers.…