CountryDialog.kt

// For handling the state of dialog
 private val dialogState by lazy { mutableStateOf(false) }
 
 @Composable
    fun CountriesDialog() {
        if (dialogState.value) {
            SingleSelectDialog(title = getString(R.string.title_select_country),
                    optionsList = countriesMap.values.toList(),
                    defaultSelected = countriesMap.keys.toList().indexOf(selectedOption),
                    submitButtonText = getString(R.string.text_apply),
                    onSubmitButtonClick = {
                        /**
                         * Do whatever you need on button click
                         */
                    },
                    onDismissRequest = { dialogState.value = false })
        }
    }