rooparsh

import kotlinx.coroutines.flow.*



sealed class Result<out T> {
    class Success<T>(data: T) : Result<T>()
    object Loading : Result<Nothing>()
    class Error(error: Throwable) : Result<Nothing>()
}

rooparsh

Scaffold(topBar = {
  Toolbar(getString(R.string.app_name)) {
  dialogState.value = true
  }
  }) {
  CountriesDialog()
  }

rooparsh

// 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),

rooparsh

fun getCountries(): Map<String, String> {
    val countriesMap = hashMapOf<String, String>()
    val isoCountries = Locale.getISOCountries()
    isoCountries.forEach {
        val locale = Locale("", it)
        countriesMap[locale.country.toLowerCase(Locale.getDefault())] = locale.displayCountry
    }
    return countriesMap.toList().sortedBy { (_, value) -> value }.toMap()
}

rooparsh

@Composable
fun RadioButton(text: String, selectedValue: String, onClickListener: (String) -> Unit) {
    Row(Modifier
            .fillMaxWidth()
            .selectable(
                    selected = (text == selectedValue),
                    onClick = {
                        onClickListener(text)
                    }
            )

rooparsh

@Composable
fun SingleSelectDialog(title: String,
                       optionsList: List<String>,
                       defaultSelected: Int,
                       submitButtonText: String,
                       onSubmitButtonClick: (Int) -> Unit,
                       onDismissRequest: () -> Unit) {

    val selectedOption = mutableStateOf(defaultSelected)