My open source library needs to be able to call UIApplication.shared.preferredContentSizeCategory
. But UIApplication.shared
is unavailable in extensions. The build error suggests that I find a view controller-based way to solve my problem, but I'm writing a library, so I don't have access to any view controllers. Is there a way to get the root view controller of an extension, or a way to get the outermost UITraitEnvironment
?
I support iOS 9+, but this feature could be 10+ if that makes it possible.
You can use UIScreen.main.traitCollection.preferredContentSizeCategory
.
The preferredContentSizeCategory
property is available on iOS 10 or later.
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