requestCode method
Implementation
Future<String?> requestCode() async {
var code;
final String urlParams = _constructUrlParams();
if (_config.context != null) {
String initialURL =
("${_authorizationRequest.url}?$urlParams").replaceAll(" ", "%20");
await _mobileAuth(initialURL);
} else {
throw Exception("Context is null. Please call setContext(context).");
}
code = await _onCode.first;
return code;
}