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

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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:intl/intl.dart';
import 'package:intl/intl_standalone.dart';
import '../generated/l10n.dart';
import '../local_storage/key_value_storage.dart';
import '../util/extension_helper.dart';
class LanguagesSetting extends StatefulWidget {
const LanguagesSetting({Key key}) : super(key: key);
@override
_LanguagesSettingState createState() => _LanguagesSettingState();
}
class _LanguagesSettingState extends State<LanguagesSetting> {
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@override
void initState() {
super.initState();
findSystemLocale();
}
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_setLocale(Locale locale, {bool systemDefault = false}) async {
var localeStorage = KeyValueStorage(localeKey);
if (systemDefault) {
await localeStorage.saveStringList([]);
await findSystemLocale();
var systemLanCode;
final list = Intl.systemLocale.split('_');
if (list.length == 2) {
systemLanCode = list.first;
} else if (list.length == 3) {
systemLanCode = '${list[0]}_${list[1]}';
} else {
systemLanCode = 'en';
}
await S.load(Locale(systemLanCode));
if (mounted) {
setState(() {});
}
} else {
await localeStorage
.saveStringList([locale.languageCode, locale.countryCode]);
await S.load(locale);
if (mounted) {
setState(() {});
}
}
}
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Widget _langListTile(String lang, {Locale locale}) => ListTile(
title: Text(lang, style: context.textTheme.bodyText2),
onTap: () => _setLocale(locale),
dense: true,
contentPadding: const EdgeInsets.symmetric(horizontal: 20),
trailing: Transform.scale(
scale: 0.8,
child: Radio<Locale>(
value: locale,
groupValue: Locale(Intl.getCurrentLocale()),
onChanged: _setLocale),
),
);
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@override
Widget build(BuildContext context) {
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final textStyle = context.textTheme.bodyText2;
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final s = context.s;
return Column(
children: [
ListTile(
title: Text(
s.systemDefault,
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style: textStyle.copyWith(
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color: Intl.systemLocale.contains(Intl.getCurrentLocale())
? context.accentColor
: null),
),
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dense: true,
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onTap: () =>
_setLocale(Locale(Intl.systemLocale), systemDefault: true),
contentPadding: const EdgeInsets.only(left: 20, right: 20),
),
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_langListTile('English', locale: Locale('en')),
_langListTile('简体中文', locale: Locale('zh_Hans')),
_langListTile('Français', locale: Locale('fr')),
_langListTile('Español', locale: Locale('es')),
_langListTile('Português', locale: Locale('pt')),
_langListTile('Italiano', locale: Locale('it')),
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_langListTile('Türkçe', locale: Locale('tr')),
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Divider(height: 1),
ListTile(
onTap: () =>
'mailto:<tsacdop.app@gmail.com>?subject=Tsacdop localization project'
.launchUrl,
contentPadding: const EdgeInsets.only(left: 20, right: 20),
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dense: true,
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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 localization project, please contact me."),
),
],
);
}
}