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With Mac Catalyst and SwiftUI support for macOS, Apple has been pushing new tools to the community for the past couple years to create new services on Mac computers. Does it mean you should do too? Here are couple things to consider first. During WWDC 2019, Apple released Mac Catalyst for developers to turn their […]
Designing a watchOS app in Swift always felt to be quite tricky. I could spend hours tweaking redoing layout and constraints. With SwiftUI supporting watchOS, I wanted to have a new try at it, releasing a standalone app for Apple Watch. As a regular runner and wearing, and always wearing a watch during exercising, I […]
Shortly stepping back from coding for a week and reading about the community, I realized it how easy it is to be crushed by anxiety: I see so many great things happening every day, things I want to be part of, but at the same time getting anxiety to be good enough. This is my […]
In the last couple years, Apple has made some good efforts to improve their testing tools. Today, I’ll walk you through some tips to make sure your test suite run at their best capacity. Project configuration and testing environment If you haven’t added yet some unit tests in your app, the first step is to […]
A recurring challenge in programming is accessing a shared resource concurrently. How to make sure the code doesn’t behave differently when multiple thread or operations tries to access the same property. In short, how to protect from a race condition? To build a Thread-safe data structure, we need to briefly walk through concurrency principles in […]
About a month ago, it became possible to run Swift code on AWS Lambda. I was really interesting to try and see how easy it would be to deploy small Swift functions as serverless application. Let’s see how. If you missed the news, Swift code running on AWS Lambda is available under couple conditions, but […]
Even though the iOS ecosystem is growing further every day from Objective-C, some companies still heavily rely on it. A week away for another wave of innovation from WWDC 2020, I thought it would be interesting to dive back into Objective-C starting with a MVVM pattern implementation. As a quick reminder, MVVM pattern is an […]
Since January, I’ve been slowing down blogging for couple reasons: I started doubting about myself and the quality of my content but I also wanted to focus more on some fundamentals I felt I was missing. So I committed to a “100 day challenge” coding challenge, focused on data structure and algorithm in Swift. Before […]
Following up previous articles about common data structure in Swift, this week it’s time to cover the Tree, a very important concept that we use everyday in iOS development. Let’s dive in. Concept Opposite to linear structure that we’ve covered like Queue or Stack, a Tree is hierarchical structure represented by a set of linked […]
Recently, I was looking into a bug where the UITabBar was inconsistently disappearing on specific pages. I tried different approaches but I couldn’t get where it got displayed and hidden. That’s where I thought about KVO. Some background on my issue, I had a custom TabBarController inheriting UITabBarController which hides or shows its tabBar based […]