How to get translucent lists on macOS
How to get translucent lists on macOS 관련
Updated for Xcode 15
Updated for iOS 15
One subtle but important feature of macOS is the way sidebars are automatically made slightly transparent when a window is active, then made opaque when the window moves to the background – it’s a small hint to the user which window is active, but also lets a little of their background show through, giving them a little context of their environment.
SwiftUI allows us to create these translucent sidebars using the listStyle() modifier on List, passing in .sidebar (or SidebarListStyle() for Xcode 12) like this:
NavigationStack {
List(1..<51) {
Text("\($0)")
}
.listStyle(.sidebar)
}
Important
If you’re using Xcode 12 you need to use SidebarListStyle() rather than .sidebar.
There’s nothing stopping you from using that with any list, but the clue is in the name: it’s specifically designed for lists that are shown on the side of your main window, as you can see in Xcode’s navigators.
Note: on iOS and iPadOS, .sidebar does not provide translucent background, but does affect the cell styling.
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