SelectableDropdownMenuItem

@Composable
fun SelectableDropdownMenuItem(
    selected: Boolean,
    onClick: () -> Unit,
    text: @Composable () -> Unit,
    shapes: MenuItemShapes,
    modifier: Modifier = Modifier,
    leadingIcon: (@Composable () -> Unit)? = null,
    selectedLeadingIcon: (@Composable () -> Unit)? = null,
    trailingContent: (@Composable () -> Unit)? = null,
    supportingText: (@Composable () -> Unit)? = null,
    enabled: Boolean = true,
    colors: SelectableMenuItemColors = MenuDefaults.selectableItemColors(),
    horizontalArrangement: Arrangement.Horizontal = MenuDefaults.DropdownMenuItemHorizontalArrangement,
    contentPadding: PaddingValues = MenuDefaults.DropdownMenuSelectableItemContentPadding,
    interactionSource: MutableInteractionSource? = null
): Unit

import androidx.compose.foundation.layout.size
import androidx.compose.foundation.text.input.TextFieldLineLimits
import androidx.compose.foundation.text.input.TextFieldState
import androidx.compose.foundation.text.input.rememberTextFieldState
import androidx.compose.foundation.text.input.setTextAndPlaceCursorAtEnd
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.Check
import androidx.compose.material3.DropdownMenuItem
import androidx.compose.material3.ExposedDropdownMenu
import androidx.compose.material3.ExposedDropdownMenuAnchorType
import androidx.compose.material3.ExposedDropdownMenuBox
import androidx.compose.material3.ExposedDropdownMenuDefaults
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.MenuDefaults
import androidx.compose.material3.SelectableDropdownMenuItem
import androidx.compose.material3.Text
import androidx.compose.material3.TextField
import androidx.compose.runtime.mutableIntStateOf
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.saveable.rememberSaveable
import androidx.compose.ui.Modifier

val options: List<String> = SampleData.take(5)
var expanded by remember { mutableStateOf(false) }
val textFieldState = rememberTextFieldState(options[0])
var checkedIndex by rememberSaveable { mutableIntStateOf(0) }

ExposedDropdownMenuBox(expanded = expanded, onExpandedChange = { expanded = it }) {
    TextField(
        // The `menuAnchor` modifier must be passed to the text field to handle
        // expanding/collapsing the menu on click. A read-only text field has
        // the anchor type `PrimaryNotEditable`.
        modifier = Modifier.menuAnchor(ExposedDropdownMenuAnchorType.PrimaryNotEditable),
        state = textFieldState,
        readOnly = true,
        lineLimits = TextFieldLineLimits.SingleLine,
        label = { Text("Label") },
        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
        colors = ExposedDropdownMenuDefaults.textFieldColors(),
    )
    ExposedDropdownMenu(
        expanded = expanded,
        onDismissRequest = { expanded = false },
        containerColor = MenuDefaults.groupStandardContainerColor,
        shape = MenuDefaults.standaloneGroupShape,
    ) {
        val optionCount = options.size
        options.forEachIndexed { index, option ->
            SelectableDropdownMenuItem(
                shapes = MenuDefaults.itemShape(index, optionCount),
                text = { Text(option, style = MaterialTheme.typography.bodyLarge) },
                selected = index == checkedIndex,
                onClick = {
                    textFieldState.setTextAndPlaceCursorAtEnd(option)
                    checkedIndex = index
                    expanded = false
                },
                selectedLeadingIcon = {
                    Icon(
                        Icons.Filled.Check,
                        modifier = Modifier.size(MenuDefaults.LeadingIconSize),
                        contentDescription = null,
                    )
                },
                contentPadding = ExposedDropdownMenuDefaults.ItemContentPadding,
            )
        }
    }
}