Let's have a look at how we can implement focus state management in SwiftUI before iOS15. With the help of UIKit, we'll be able to select a focused field, deactivate and restore the focus state on the screen.
Since iOS15, we can @FocusState property wrapper to manage the focus state in the app. Have a look at how to use it in practice.
Three different ways of dismissing a modal SwiftUI view embedded in UIKit: using presentationMode and dismiss environment values as well as providing a dismiss action from the presenting view controller.
SwiftUI environment values presentationMode and dismiss are here to make dismissing presented views a trivial task.