swift判断是不是刘海屏

//判断是不是刘海屏
    funcisiPhoneXScreen() -> Bool {
        guard#available(iOS11.0, *) else {
            returnfalse
        }

        let isX = UIApplication.shared.windows[0].safeAreaInsets.bottom > 0
        print("是不是--->\(isX)")
        return isX
    }