VerticalDragHandle

VerticalDragHandleSample

@Preview
@Composable
fun VerticalDragHandleSample() {
    var offsetX by remember { mutableStateOf(0f) }
    var screenSize by remember { mutableStateOf(IntSize.Zero) }
    val density = LocalDensity.current
    Box(
        modifier =
            Modifier.fillMaxSize().onGloballyPositioned { layoutCoordinates ->
                screenSize = layoutCoordinates.size
                if (offsetX == 0f) {
                    offsetX = screenSize.width / 2f
                }
            }
    ) {
        Surface(
            modifier = Modifier.width(with(density) { offsetX.toDp() }).fillMaxHeight(),
            color = MaterialTheme.colorScheme.surfaceContainerHighest,
            shape = RoundedCornerShape(0.dp, 24.dp, 24.dp, 0.dp),
        ) {
            Box(modifier = Modifier.fillMaxSize(), contentAlignment = Alignment.CenterEnd) {
                VerticalDragHandle(
                    modifier =
                        Modifier.draggable(
                                orientation = Orientation.Horizontal,
                                state =
                                    rememberDraggableState { delta ->
                                        offsetX =
                                            (offsetX + delta).coerceIn(
                                                with(density) { 48.dp.toPx() },
                                                screenSize.width.toFloat(),
                                            )
                                    },
                            )
                            .systemGestureExclusion() // To avoid colliding with the back gesture
                )
            }
        }
    }
}