formatPhoneNumber method

Implementation

String? formatPhoneNumber([String countryCode = 'NG']) {
  PhoneNumberUtil phoneUtil = PhoneNumberUtil.instance;
  try {
    final phone = phoneUtil.parse(this, countryCode);
    return "${phone.countryCode}${phone.nationalNumber}";
  } on NumberParseException catch (_) {
  } catch (_) {}
  return null;
}