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How to group views visually using GroupBox

Paul Hudson    @twostraws   

Updated for Xcode 13.0 beta 2

New in iOS 15

SwiftUI’s GroupBox view groups views together and places a light background color behind them so they stand out. You can optionally also include a header to make group titles, if you need to.

By default GroupBox with align its views vertically. For example, this will show three text views one above the other:

GroupBox {
    Text("Your account")
        .font(.headline)
    Text("Username: tswift89")
    Text("City: Nashville")
}

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If you want to control that layout, such as changing axis or adjusting the alignment, create a stack yourself:

GroupBox {
    VStack(alignment: .leading) {
        Text("Your account")
            .font(.headline)
        Text("Username: tswift89")
        Text("City: Nashville")
    }
}

Download this as an Xcode project

One real power feature of GroupBox is that if you nest them they will automatically adapt their colors so they are neatly distinguished:

GroupBox {
    Text("Outer Content")

    GroupBox {
        Text("Middle Content")

        GroupBox {
            Text("Inner Content")
        }
    }
}

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This effect works just as well – if not better! – in dark mode.

Like I said, you can add titles to your GroupBox and although it looks okay on macOS it doesn’t look nice at all on iOS:

GroupBox("Your account") {
    VStack(alignment: .leading) {
        Text("Username: tswift89")
        Text("City: Nashville")
    }
}

Download this as an Xcode project

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