Customisation of a navigation bar is one of the first tasks a junior iOS-developer takes up. Roughly every app (and even most of the test samples and tutorials) has a navigation stack and nobody wants to stick to the default system style of a bar.

Navigation bar customisation is quite a trivial task, but even before iOS 13 you could approach it in couple of different ways. This year another API has appeared. The new way suppose to replace the old ones and solve the issues which were not addressed by…

Emulating UIKits to make our custom views feel more native

I’ve been working on a personal project recently, in which I need to know the main topic of a user’s generated text. So I made a tag system, which means that the user can tag his post based on the… Continue reading Easy Topic Classifier on iOS with Apple’s…

Let’s take a look at how combining value and reference types can unlock some really powerful capabilities, enabling us to utilize both the convenience of reference types, and the safety and limited mutability of value types.

With SwiftUI and Xcode 11 released just recently, we decided to investigate different app architectures that can be used with SwiftUI. We're going to look into a rather simple Model-View architecture, the Redux architecture pattern and the ViewState MVVM.

One thing which I really enjoy about SwiftUI is the fact that SwiftUI has a lot of stuff ready to use out of the box. In order to build your app, all you need to do is composing the building blocks provided by SwiftUI into a fully functional application.…

There are four types of in-app purchases in Apple’s App Store, with their own unique ways to manage it. The challenge is how to isolate the intricacies of these product types from the rest of…

This article is intended to help you configure Danger Swift with Bitrise. The main goal is to automating the simplest and most repetitive…

Learn different ways of debugging functional reactive code written with the Swift Combine framework: read the console with the print() and handleEvents() operators; generate Xcode breakpoints with breakpointOnError() and breakpoint(); draw marble diagrams.

Implementing backward compatible Dark Mode on iOS

I’m building my first iOS game using Spritekit. And I need to create a “rain” of nodes that are generated continuously, frame by frame, like real rain. Follow me to learn how to create such an effect

The differences between concurrent and serial dispatchqueue explained in Swift. How to use the main thread, background thread and prevent data races.

This week, let’s dive deep into the world of pattern matching in Swift — to take a look at how we can construct completely custom patterns, and some of the interesting techniques that we can unlock by doing so.

Crazy Mac lady. Mac author & developer. Lover of Apple computers and devices. Swift & SwiftUI enthusiast. Unofficial Mac app dev evangelist