DropdownMenu

MenuSample

@OptIn(ExperimentalMaterial3Api::class, ExperimentalMaterial3ExpressiveApi::class)
@Preview
@Composable
fun MenuSample() {
    var expanded by remember { mutableStateOf(false) }
    Box(modifier = Modifier.fillMaxSize().wrapContentSize(Alignment.TopStart)) {
        // Icon button should have a tooltip associated with it for a11y.
        TooltipBox(
            positionProvider =
                TooltipDefaults.rememberTooltipPositionProvider(TooltipAnchorPosition.Above),
            tooltip = { PlainTooltip { Text("Localized description") } },
            state = rememberTooltipState(),
        ) {
            IconButton(onClick = { expanded = true }) {
                Icon(Icons.Default.MoreVert, contentDescription = "Localized description")
            }
        }
        DropdownMenu(expanded = expanded, onDismissRequest = { expanded = false }) {
            DropdownMenuItem(
                text = { Text("Edit") },
                onClick = { /* Handle edit! */ },
                leadingIcon = { Icon(Icons.Outlined.Edit, contentDescription = null) },
            )
            DropdownMenuItem(
                text = { Text("Settings") },
                onClick = { /* Handle settings! */ },
                leadingIcon = { Icon(Icons.Outlined.Settings, contentDescription = null) },
            )
            HorizontalDivider()
            DropdownMenuItem(
                text = { Text("Send Feedback") },
                onClick = { /* Handle send feedback! */ },
                leadingIcon = { Icon(Icons.Outlined.Email, contentDescription = null) },
                trailingIcon = { Text("F11", textAlign = TextAlign.Center) },
            )
        }
    }
}

MenuWithScrollStateSample

@OptIn(ExperimentalMaterial3Api::class)
@Preview
@Composable
fun MenuWithScrollStateSample() {
    var expanded by remember { mutableStateOf(false) }
    val scrollState = rememberScrollState()
    Box(modifier = Modifier.fillMaxSize().wrapContentSize(Alignment.TopStart)) {
        // Icon button should have a tooltip associated with it for a11y.
        TooltipBox(
            positionProvider =
                TooltipDefaults.rememberTooltipPositionProvider(TooltipAnchorPosition.Above),
            tooltip = { PlainTooltip { Text("Localized description") } },
            state = rememberTooltipState(),
        ) {
            IconButton(onClick = { expanded = true }) {
                Icon(Icons.Default.MoreVert, contentDescription = "Localized description")
            }
        }
        DropdownMenu(
            expanded = expanded,
            onDismissRequest = { expanded = false },
            scrollState = scrollState,
        ) {
            repeat(30) {
                DropdownMenuItem(
                    text = { Text("Item ${it + 1}") },
                    onClick = { /* TODO */ },
                    leadingIcon = { Icon(Icons.Outlined.Edit, contentDescription = null) },
                )
            }
        }
        LaunchedEffect(expanded) {
            if (expanded) {
                // Scroll to show the bottom menu items.
                scrollState.scrollTo(scrollState.maxValue)
            }
        }
    }
}