world_flags 1.1.1

Country flags made with Flutter - every flag is a Widget, without any assets.

example/lib/main.dart

import "package:flutter/material.dart";
import "package:world_flags/world_flags.dart";

import "settings_dialog.dart";

void main() {
  /// Provide flag decorations globally.
  const extensions = [
    FlagThemeData(
      decoration: BoxDecoration(
        borderRadius: BorderRadius.all(Radius.circular(4)),
      ),
    ),
  ];

  runApp(
    MaterialApp(
      home: const Main(),
      theme: ThemeData(extensions: extensions, brightness: Brightness.light),
      darkTheme: ThemeData(extensions: extensions, brightness: Brightness.dark),
    ),
  );
}

class Main extends StatefulWidget {
  const Main({super.key});

  @override
  State<Main> createState() => _MainState();
}

class _MainState extends State<Main> {
  static const _size = kMinInteractiveDimension / 2;
  final _aspectRatio = ValueNotifier<double?>(null);

  @override
  void dispose() {
    _aspectRatio.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) => Material(
        color: Theme.of(context).scaffoldBackgroundColor,
        child: SafeArea(
          minimum: const EdgeInsets.all(_size / 2),
          child: ListView.separated(
            itemBuilder: (_, index) {
              final country = WorldCountry.list[index];
              final isFull = fullFlags.contains(country);
              final style = TextStyle(
                color: isFull ? null : Theme.of(context).disabledColor,
              );

              return ListTile(
                leading:
                    Text(country.code, style: style.copyWith(fontSize: 16)),
                title: Text(country.internationalName, style: style),
                subtitle: Text(country.namesNative.first.common, style: style),
                trailing: ValueListenableBuilder(
                  valueListenable: _aspectRatio,
                  builder: (_, ratio, __) => CountryFlag.simplified(
                    country,
                    height: _size,
                    aspectRatio: ratio,
                  ),
                ),
                onTap: isFull
                    ? () => SettingsDialog.show(_aspectRatio, context, country)
                    : null,
                minLeadingWidth: _size * 1.5,
              );
            },
            separatorBuilder: (_, __) => const Divider(
              height: 1,
              color: Color.fromARGB(33, 133, 133, 133),
            ),
            itemCount: WorldCountry.list.length,
            clipBehavior: Clip.none,
          ),
        ),
      );
}