Stack

Stack {
        Surface(
            shape = RoundedCornerShape(topLeft = 32.dp, topRight = 32.dp),
            modifier = Modifier.fillMaxSize(),
            color = MaterialTheme.colors.secondary
        ) {
            Box(shape = RoundedCornerShape(topLeft = 32.dp, topRight = 32.dp)) {
                Text(
                    modifier = Modifier.padding(16.dp) + Modifier.padding(start = 8.dp),
                    style = MaterialTheme.typography.body2,
                    text = "hi"
                )
            }
        }
        Surface(
            modifier = Modifier.fillMaxSize() + Modifier.padding(top = 48.dp, start = 4.dp, end = 4.dp),
            color = MaterialTheme.colors.surface,
            shape = RoundedCornerShape(topLeft = 32.dp, topRight = 32.dp)
        ) {
            ConstraintLayout(modifier = Modifier.padding(16.dp)) {
                val (label, url, submit) = createRefs()

                ExtendedFloatingActionButton(
                    modifier = Modifier.constrainAs(submit) {
                        start.linkTo(parent.start)
                        end.linkTo(parent.end)
                        top.linkTo(url.bottom, margin = 2.dp)
                    } + Modifier.padding(16.dp),
                    text = { Text("Save") },
                    icon = { Icon(Icons.Filled.Save) },
                    backgroundColor = MaterialTheme.colors.onSurface,
                    contentColor = MaterialTheme.colors.surface,
                    onClick = {

                    })
            }
        }
    }

BottomDrawerLayout(
            drawerState = sheetState,
            drawerContent = {
                ProfileContent(navigateTo, signInState)
            },
            bodyContent = {
                BodyContent(
                    navigateTo = navigateTo,
                    sheetState = sheetState,
                    signInState = signInState,
                    pantry = pantry
                )
            }
        )