SwiftUI allows us to read environmental values that might affect how we want to present ­­our UI. Things like size classes and locale for example. We also get the ability to read some of the user’s chosen accessibility settings allowing us to make decisions that will best fit with your customer’s preference.

Why?

#

Before we cover what these options are and how to detect them I think it’s important to briefly cover why we need to detect them. There’s a few dos and don’ts worth consideration.