ExposedDropdownMenuBox

@Composable
fun ExposedDropdownMenuSample() {
    val options = listOf("Option 1", "Option 2", "Option 3", "Option 4", "Option 5")
    var expanded by remember { mutableStateOf(false) }
    var selectedOptionText by remember { mutableStateOf(options[0]) }
    // We want to react on tap/press on TextField to show menu
    ExposedDropdownMenuBox(
        expanded = expanded,
        onExpandedChange = { expanded = it },
    ) {
        TextField(
            readOnly = true,
            value = selectedOptionText,
            onValueChange = { },
            label = { Text("Label") },
            trailingIcon = {
                ExposedDropdownMenuDefaults.TrailingIcon(
                    expanded = expanded
                )
            },
            colors = ExposedDropdownMenuDefaults.textFieldColors()
        )
        ExposedDropdownMenu(
            expanded = expanded,
            onDismissRequest = {
                expanded = false
            }
        ) {
            options.forEach { selectionOption ->
                DropdownMenuItem(
                    onClick = {
                        selectedOptionText = selectionOption
                        expanded = false
                    }
                ) {
                    Text(text = selectionOption)
                }
            }
        }
    }
}

@Composable
fun EditableExposedDropdownMenuSample() {
    val options = listOf("Option 1", "Option 2", "Option 3", "Option 4", "Option 5")
    var expanded by remember { mutableStateOf(false) }
    var selectedOptionText by remember { mutableStateOf("") }
    ExposedDropdownMenuBox(
        expanded = expanded,
        onExpandedChange = { expanded = it },
    ) {
        TextField(
            value = selectedOptionText,
            onValueChange = { selectedOptionText = it },
            label = { Text("Label") },
            trailingIcon = {
                ExposedDropdownMenuDefaults.TrailingIcon(
                    expanded = expanded
                )
            },
            colors = ExposedDropdownMenuDefaults.textFieldColors()
        )
        // filter options based on text field value
        val filteringOptions =
            options.filter { it.contains(selectedOptionText, ignoreCase = true) }
        if (filteringOptions.isNotEmpty()) {
            ExposedDropdownMenu(
                expanded = expanded,
                onDismissRequest = {
                    expanded = false
                }
            ) {
                filteringOptions.forEach { selectionOption ->
                    DropdownMenuItem(
                        onClick = {
                            selectedOptionText = selectionOption
                            expanded = false
                        }
                    ) {
                        Text(text = selectionOption)
                    }
                }
            }
        }
    }
}