Wwdc 2019 wallpaper color8/22/2023 ![]() ![]() Hopefully this makes your app's transition to dark mode easier! When we drop iOS 12 support, cleaning this up will be as simple as replacing every instance of ColorCompatibility with UIColor □.Since everything is a computed var, we never pre-store colors, which means that when the user switches color scheme, our app will automatically adapt as the trait collection changes □.This code will compile on iOS 13+, iOS 12 and earlier, and Catalyst ✅.Note: we can't use for these checks, since it doesn't provide a way to check if the current environment is less than a specific app version. We can then use ColorCompatibility it to set any colors we need. ![]() This means we'll probably be doing a lot of things like this, using Swift's #available syntax: if #available ( iOS 13, * ) These new colors are all well and good, but most of us with existing apps will still be supporting devices with iOS 12 or lower, at least for a while. (Skip to the bottom if you'd like to see a list of the new colors.) Compatibility However, even system colors that have been around for a while (like systemRed) have become dynamic in iOS 13 - they might actually be different colors in dark mode vs light mode. IOS 13 has 23 new element colors ( label etc) and one new standard color ( systemIndigo).
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