MainActivity.kt

                Scaffold(
                    timeText = {
                        TimeText()
                    },
                    vignette = {
                        Vignette(vignettePosition = VignettePosition.TopAndBottom)
                    },
                    positionIndicator = {
                        PositionIndicator(
                            scalingLazyListState = scalingLazyListState
                        )
                    }
                ) {
                    // omitted for brevity
                    ..
                    ..
                }