tsacdop-podcast-app-android/lib/settings/languages.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:intl/intl.dart';
import 'package:line_icons/line_icons.dart';
import 'package:url_launcher/url_launcher.dart';

import '../util/extension_helper.dart';
import '../generated/l10n.dart';

class LanguagesSetting extends StatefulWidget {
  const LanguagesSetting({Key key}) : super(key: key);

  @override
  _LanguagesSettingState createState() => _LanguagesSettingState();
}

class _LanguagesSettingState extends State<LanguagesSetting> {
  _launchUrl(String url) async {
    if (await canLaunch(url)) {
      await launch(url);
    } else {
      throw 'Could not launch $url';
    }
  }

  @override
  Widget build(BuildContext context) {
    final s = context.s;
    return AnnotatedRegion<SystemUiOverlayStyle>(
      value: SystemUiOverlayStyle(
        statusBarIconBrightness: Theme.of(context).accentColorBrightness,
        systemNavigationBarColor: Theme.of(context).primaryColor,
        systemNavigationBarIconBrightness:
            Theme.of(context).accentColorBrightness,
      ),
      child: Scaffold(
          appBar: AppBar(
            title: Text(s.settingsLanguages),
            elevation: 0,
            backgroundColor: Theme.of(context).primaryColor,
          ),
          body: SingleChildScrollView(
              scrollDirection: Axis.vertical,
              child: Column(
                children: [
                  ListTile(
                    title: Text(s.systemDefault),
                    onTap: () async {
                      await S.load(Locale(Intl.systemLocale));
                      setState(() {});
                    },
                    contentPadding: const EdgeInsets.only(left: 75, right: 20),
                    trailing: Radio<Locale>(
                        value: Locale(Intl.systemLocale),
                        groupValue: Locale(Intl.getCurrentLocale()),
                        onChanged: (Locale locale) async {
                          await S.load(locale);
                          setState(() {});
                        }),
                  ),
                  Divider(height: 2),
                  ListTile(
                    title: Text('English'),
                    onTap: () async {
                      await S.load(Locale('en'));
                      setState(() {});
                    },
                    contentPadding: const EdgeInsets.only(left: 75, right: 20),
                    trailing: Radio<Locale>(
                        value: Locale('en'),
                        groupValue: Locale(Intl.getCurrentLocale()),
                        onChanged: (Locale locale) async {
                          await S.load(locale);
                          setState(() {});
                        }),
                  ),
                  Divider(height: 2),
                  ListTile(
                    title: Text('简体中文'),
                    onTap: () async {
                      await S.load(Locale('zh_Hans'));
                      setState(() {});
                    },
                    contentPadding: const EdgeInsets.only(left: 75, right: 20),
                    trailing: Radio<Locale>(
                        value: Locale('zh_Hans'),
                        groupValue: Locale(Intl.getCurrentLocale()),
                        onChanged: (Locale locale) async {
                          await S.load(locale);
                          setState(() {});
                        }),
                  ),
                  Divider(height: 2),
                  ListTile(
                    onTap: () => _launchUrl(
                        'mailto:<tsacdop.app@gmail.com>?subject=Tsacdop localization project'),
                    contentPadding: const EdgeInsets.only(left: 75, right: 20),
                    title: Align(
                      alignment: Alignment.centerLeft,
                      child: Image(
                          image: Theme.of(context).brightness ==
                                  Brightness.light
                              ? AssetImage('assets/localizely_logo.png')
                              : AssetImage('assets/localizely_logo_light.png'),
                          height: 20),
                    ),
                    subtitle: Text(
                        "If you'd like to contribute to support more languages, please contact me."),
                    // trailing: IconButton(
                    //     icon: Icon(LineIcons.heart),
                    //     onPressed: () => _launchUrl(
                    //         'mailto:<tsacdop.app@gmail.com>?subject=Tsacdop localization project')),
                  ),
                ],
              ))),
    );
  }
}