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main.dart
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main.dart
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// This source code is a part of Project Violet.
// Copyright (C) 2020-2024. violet-team. Licensed under the Apache-2.0 License.
import 'dart:async';
import 'dart:convert';
import 'package:crypto/crypto.dart';
import 'package:dynamic_theme/dynamic_theme.dart';
import 'package:firebase_analytics/firebase_analytics.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:firebase_crashlytics/firebase_crashlytics.dart';
import 'package:flare_flutter/flare_cache.dart';
import 'package:flare_flutter/provider/asset_flare.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_downloader/flutter_downloader.dart'; // @dependent: android
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:get/get.dart';
import 'package:modal_bottom_sheet/modal_bottom_sheet.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:violet/firebase_options.dart';
import 'package:violet/locale/locale.dart';
import 'package:violet/log/log.dart';
import 'package:violet/pages/after_loading/afterloading_page.dart';
import 'package:violet/pages/database_download/database_download_page.dart';
import 'package:violet/pages/lock/lock_screen.dart';
import 'package:violet/pages/splash/splash_page.dart';
import 'package:violet/settings/settings.dart';
import 'package:violet/style/palette.dart';
Future<void> main() async {
runZonedGuarded<Future<void>>(() async {
WidgetsFlutterBinding.ensureInitialized();
await FlutterDownloader.initialize(); // @dependent: android
FlareCache.doesPrune = false;
FlutterError.onError = recordFlutterError;
await initFirebase();
await Settings.initFirst();
await warmupFlare();
runApp(const MyApp());
}, (exception, stack) async {
Logger.error('[async-error] E: $exception\n$stack');
await FirebaseCrashlytics.instance.recordError(exception, stack);
});
}
const _filesToWarmup = [
'assets/flare/Loading2.flr',
'assets/flare/likeUtsua.flr'
];
Future<void> warmupFlare() async {
for (final filename in _filesToWarmup) {
await cachedActor(
AssetFlare(bundle: rootBundle, name: filename),
);
}
}
Future<void> recordFlutterError(FlutterErrorDetails flutterErrorDetails) async {
Logger.error(
'[unhandled-error] E: ${flutterErrorDetails.exceptionAsString()}\n'
'${flutterErrorDetails.stack}');
await FirebaseCrashlytics.instance.recordFlutterError(flutterErrorDetails);
}
Future<void> initFirebase() async {
await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
// check user-id is set
final prefs = await SharedPreferences.getInstance();
var id = prefs.getString('fa_userid');
if (id == null) {
id = sha1.convert(utf8.encode(DateTime.now().toString())).toString();
prefs.setString('fa_userid', id);
}
var analytics = FirebaseAnalytics.instance;
await analytics.setUserId(id: id);
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return DynamicTheme(
defaultBrightness: Brightness.light,
data: (brightness) => ThemeData(
appBarTheme: AppBarTheme(
systemOverlayStyle: !Settings.themeWhat
? SystemUiOverlayStyle.dark
: SystemUiOverlayStyle.light),
useMaterial3: false,
brightness: brightness,
bottomSheetTheme:
BottomSheetThemeData(backgroundColor: Colors.black.withOpacity(0)),
scaffoldBackgroundColor:
Settings.themeBlack && Settings.themeWhat ? Colors.black : null,
dialogBackgroundColor: Settings.themeBlack && Settings.themeWhat
? Palette.blackThemeBackground
: null,
cardColor: Settings.themeBlack && Settings.themeWhat
? Palette.blackThemeBackground
: null,
colorScheme: ColorScheme.fromSwatch()
.copyWith(secondary: Settings.majorColor, brightness: brightness),
cupertinoOverrideTheme: CupertinoThemeData(
brightness: brightness,
primaryColor: Settings.majorColor,
textTheme: const CupertinoTextThemeData(),
barBackgroundColor: Settings.themeWhat
? Settings.themeBlack
? const Color(0xFF181818)
: Colors.grey.shade800
: null,
),
),
themedWidgetBuilder: (context, theme) {
return myApp(theme);
},
);
}
Widget myApp(ThemeData theme) {
const supportedLocales = <Locale>[
Locale('en', 'US'),
Locale('ko', 'KR'),
Locale('ja', 'JP'),
Locale('zh', 'CH'),
Locale('it', 'IT'),
Locale('eo', 'ES'),
Locale('pt', 'BR'),
];
const localizationsDelegates = <LocalizationsDelegate<dynamic>>[
TranslationsDelegate(),
GlobalMaterialLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
GlobalWidgetsLocalizations.delegate
];
final routes = <String, WidgetBuilder>{
'/AfterLoading': (context) =>
const CupertinoScaffold(body: AfterLoadingPage()),
'/DatabaseDownload': (context) => const DataBaseDownloadPage(),
'/SplashPage': (context) => const SplashPage(),
};
final home =
Settings.useLockScreen ? const LockScreen() : const SplashPage();
final navigatorObservers = [
FirebaseAnalyticsObserver(analytics: FirebaseAnalytics.instance),
];
return GetMaterialApp(
navigatorObservers: navigatorObservers,
theme: theme,
home: home,
supportedLocales: supportedLocales,
routes: routes,
localizationsDelegates: localizationsDelegates,
localeResolutionCallback: localeResolution,
);
}
Locale localeResolution(Locale? locale, Iterable<Locale> supportedLocales) {
if (Settings.language != null) {
if (Settings.language!.contains('_')) {
final ss = Settings.language!.split('_');
if (ss.length == 2) {
return Locale.fromSubtags(languageCode: ss[0], scriptCode: ss[1]);
} else {
return Locale.fromSubtags(
languageCode: ss[0], scriptCode: ss[1], countryCode: ss[2]);
}
} else {
return Locale(Settings.language!);
}
}
if (locale == null) {
if (Settings.language == null) {
Settings.setLanguage(supportedLocales.first.languageCode);
}
return supportedLocales.first;
}
for (Locale supportedLocale in supportedLocales) {
if (supportedLocale.languageCode == locale.languageCode ||
supportedLocale.countryCode == locale.countryCode) {
if (Settings.language == null) {
Settings.setLanguage(supportedLocale.languageCode);
}
return supportedLocale;
}
}
if (Settings.language == null) {
Settings.setLanguage(supportedLocales.first.languageCode);
}
return supportedLocales.first;
}
}