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How to add a badge to TabView items and List rows

Paul Hudson    @twostraws   

In the process of being updated for Xcode 13.0

New in iOS 15

SwiftUI’s badge() modifier lets us add numbers and text to tab view items and list rows, with the purpose of drawing the user’s attention to some supplementary status information – something like a number over a tab icon to represent an unread message count, for example.

For example, if you wanted to show the number 5 in red over a tab item, you would use this:

TabView {
    Text("Your home screen here")
        .tabItem {
            Label("Home", systemImage: "house")
        }
        .badge(5)
}

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Badges work just as well with list rows, and automatically appear as right-aligned text in a secondary color. For example, we could make static list rows similar to the iOS Settings app like this:

List {
    Text("Wi-Fi")
        .badge("LAN Solo")

    Text("Bluetooth")
        .badge("On")
}

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