A flutter package to select a country from a list of countries.

Add the package to your pubspec.yaml:

country_picker: ^2.0.12

In your dart file, import the library:

import 'package:country_picker/country_picker.dart';

Show country picker using showCountryPicker:

showCountryPicker(
  context: context,
  showPhoneCode: true, // optional. Shows phone code before the country name.
  onSelect: (Country country) {
    print('Select country: ${country.displayName}');
  },
);

Add the CountryLocalizations.delegate in the list of your app delegates.

MaterialApp(
      supportedLocales: [
        const Locale('en'),
        const Locale('el'),
        const Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hans'), // Generic Simplified Chinese 'zh_Hans'
        const Locale.fromSubtags(languageCode: 'zh', scriptCode: 'Hant'), // Generic traditional Chinese 'zh_Hant'
      ],
      localizationsDelegates: [
        CountryLocalizations.delegate,
        GlobalMaterialLocalizations.delegate,
        GlobalWidgetsLocalizations.delegate,
        GlobalCupertinoLocalizations.delegate,
      ],
      home: HomePage(),
 );

• onSelect: Called when a country is selected. The country picker passes the new value to the callback (required)
• onClosed: Called when CountryPicker is dismissed, whether a country is selected or not (optional).
• showPhoneCode: Can be used to show phone code before the country name.
• searchAutofocus Can be used to initially expand virtual keyboard
• showWorldWide An optional argument for showing "World Wide" option at the beginning of the list
• countryListTheme: Can be used to customize the country list's bottom sheet and widgets that lie within it. (optional).

  showCountryPicker(
    context: context,
    countryListTheme: CountryListThemeData(
      flagSize: 25,
      backgroundColor: Colors.white,
      textStyle: TextStyle(fontSize: 16, color: Colors.blueGrey),
      //Optional. Sets the border radius for the bottomsheet.
        borderRadius: BorderRadius.only(
        topLeft: Radius.circular(20.0),
        topRight: Radius.circular(20.0),
      ),
      //Optional. Styles the search field.
      inputDecoration: InputDecoration(
        labelText: 'Search',
        hintText: 'Start typing to search',
        prefixIcon: const Icon(Icons.search),
        border: OutlineInputBorder(
          borderSide: BorderSide(
            color: const Color(0xFF8C98A8).withOpacity(0.2),
          ),
        ),
      ),
    ),
    onSelect: (Country country) => print('Select country: ${country.displayName}'),
  );

• exclude: Can be used to exclude(remove) one or more country from the countries list (optional).

  showCountryPicker(
    context: context,
    exclude: <String>['KN', 'MF'], //It takes a list of country code(iso2).
    onSelect: (Country country) => print('Select country: ${country.displayName}'),
  );

• countryFilter: Can be used to filter the countries list (optional).
  • It takes a list of country code(iso2).
  • Can't provide both exclude and countryFilter

Contributions of any kind are more than welcome! Feel free to fork and improve country_code_picker in any way you want, make a pull request, or open an issue.