iOS26 Live Activity always display in Dark Mode

Hi,

We design a Live Activity for our app.We find that in iOS26 system, the widget can not display the correct system display model(Light mode or dark mode), always display with dark mode. When our app run in other system ,such as iOS 17, iOS18 ，it work fine.

I find other developer had post a topic three month ago , but it seems there is not any new response about the feedback.

https://developer.apple.com/forums/thread/799684?answerId=857377022#857377022

Anyone have idea?

Thanks .

Below is my code template:

struct BroadcastLiveActivityBackgroundView: View {

@Environment(\.colorScheme) var colorScheme: ColorScheme

    var body:some View {
        LinearGradient(
          stops: [
              Gradient.Stop(color: LiveActivityColor.backgroundColors(self.colorScheme).last!, location: 0.00),
              Gradient.Stop(color: LiveActivityColor.backgroundColors(self.colorScheme).first!, location: 1.00),
          ],
          startPoint: UnitPoint(x: 1, y: 0),
          endPoint: UnitPoint(x: 0.82, y: 1.11)
        )
    }
}