Custom watchOS Live Activity

Question

Created Mar ’25

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I have followed this video on implementing a custom view for the watchOS 11 Smart Stack Live Activities. However, the UI of my iOS app keeps showing up on the watchOS.

`struct widgetLiveActivity: Widget { @Environment(.activityFamily) var activityFamily

var body: some WidgetConfiguration {
    ActivityConfiguration(for: widgetAttributes.self) { context in
        
        switch activityFamily {
        case .small, _:
            Text("WatchOS UI")
        case .medium:
            Text("iOS UI")
            .activitySystemActionForegroundColor(Color.black)
        
    } dynamicIsland: { context in ... }
    .supplementalActivityFamilies([.small, .medium])
}

}`

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Answer 1

Frameworks Engineer OP

Apple

Mar ’25

Hi there! Thank you for customizing your Live Activity view for watchOS.

I wonder if the issue is this line:

case .small, _:

I think the compiler may be giving you a warning about that.

Try changing that to:

case .small:

and adding this at the end of your switch:

@unknown default:
    Text("iOS UI")
     .activitySystemActionForegroundColor(Color.black)

1