I know. This is a clickbaity title. And yes, I know that this list is not relevant for everybody. I know that not every iOS developer has to learn everything on this list. That said, this list is a list of technologies and skills that I think are either already Read more…
As developers, we constantly deal with layers of abstractions that make our lives easier. We have abstractions over low level networking operations that allow us to make network calls with URLSession. Core Data provides an abstraction over data persistence that can be used to store information in an sqlite database. Read more…
It’s been a while since Apple announced SF Symbols at WWDC 2019 and I remember how excited everybody was about them. The prospect of having an easy to integrate set of over 1,500 icons that you can display in nine weights sounds very appealing and has helped me prototype my Read more…
On iOS, you can swipe down on the home screen to access the powerful Spotlight search feature. Users can type queries in Spotlight and it will search through several areas of the system for results. You may have noticed that Spotlight includes iMessage conversations, emails, websites, and more. As an Read more…
Developers often need to store data on behalf of their users. Sometimes it’s a small amount simple data, other times it’s a lot of complex data. Maybe it’s highly sensitive data or maybe it’s less sensitive or even publicly available data. Choosing where to store this data is often not Read more…
Now that Apple has split iPadOS into a separate OS, and launched Catalyst to enable developers to compile their iPad apps for the Mac, there’s a whole new multi-window paradigm we must understand and cater for. Up until this year, we only had to worry about a single window for Read more…
When you create a new project in Xcode 11, you might notice something that you haven’t seen before. Instead of only creating an AppDelegate.swift file, a ViewController.swift, a storyboard and some other files, Xcode now creates a new file for you; the SceneDelegate.swift file. If you’ve never seen this file Read more…
We all love the idea of getting loads of App Reviews, preferably with five stars and a description that explains why our apps are amazing. Unfortunately, users often don’t take the time to reviews the apps they enjoy. Instead, users will review your app when they’re unhappy. If something about Read more…
No app is truly complete without some subtle shadows. Especially now that Google’s Material Design is showing us that shadows are cool again we need a way to properly add them in our apps. In my previous post I wrote about a way to create a custom UICollectionView layout. There was one Read more…
Note: This blog post has been updated for Xcode 11 and Swift 5 👍🏼 If you’re looking to learn more about the new collection view layout techniques that were introduced in iOS 13, this post should contain everything you need. If you’ve ever built an iOS app that uses some Read more…