Introducing TelegraphKit by Nice Photon — It’s a well-known fact that app development (like any job) has its fair share of mundane tasks. Tasks like creating Legal pages, support screens, and settings screens, to name a few. We’ve built a quick and straightforward way to create these screens, so you can get back to making the…

Introducing DateBuilder by Nice Photon — TL;DR? We’ve open sourced DateBuilder, our powerful date calculation library. Check out the README to see all the incredible stuff it can do. Apple’s Calendar API is amazing, it is. It’s quite obscure in some parts, true, and it requires quite a little bit of learning and adjusting, but it’s…

The best way to debug your local notifications — TL;DR? Check out our new Swift package, it helps you debug local notifications with ease and elegance. At Nice Photon we’ve had a few projects recently where we had to implement a sophisticated and sometimes quite complex local notifications system. It’s always tricky to get right, because there are always…

Most apps do it wrong. Learn how to stand out! — UIButton is one of the most loved and hated controls in UIKit. It’s central to pretty much any app out there, but it being one of the oldest UIKit classes, it sometimes feel quite awkward to use. In this article, we’ll explain how to make it not only look beautiful…

One simple trick to avoid unintentionally leaking your users private info — So imagine you have an app with a fairly simple model struct like this: struct User { var identifier: String var handle: String var name: String var dateOfBirth: Date var city: String } And to help you debug problems in your code, you have a remote-logging system that will send…

Ready for some property wrappers? — It’s been almost three years since I wrote ”Do you often forget [weak self]? Here’s a solution”, which luckily resonated with many people. I’ll do a short recap, but if you want a deeper understanding of the topic you can go ahead and read that article first. In short, the…

Stuck between UIKit and SwiftUI, many of us have a hard time finding the energy to push forward — Stuck between UIKit and SwiftUI, many of us have a hard time finding the energy to push forward “I switched one of my side projects from SwiftUI to UIKit because that shit is not ready for prime time” Since SwiftUI was announced last summer, I talked to many, many of…

Let’s talk about closure-based delegation, retain cycles and generics — Read a 2020 follow-up to this story here: No more [weak self], or the weird new future of delegation Okay, so today’s post is about delegation and how we can make it better with Swift. Without further ado, let’s introduce a standard example of Cocoa-style delegation in Swift: First, we…

You should not treat every piece of data the same way. Here’s why — Alright, no additional introductions this time — I’ll just cut straight to the point: Only, only request a data in a synchronous manner if it’s coming directly from memory. What do I mean by that? Well, if you have, for example, this code in your app: let user = persistence.getUser(for…