l10n.yaml

@@ -0,0 +1,3 @@
+arb-dir: lib/l10n
+template-arb-file: app_en.arb
+output-localization-file: app_localizations.dart

lib/l10n/app_cs.arb

@@ -0,0 +1 @@
+{"about":"O Aplikaci","agree":"Souhlasím","appName":"OpenCanteen","balance":"Kredit: ","cannotOrder":"Toto jídlo není možné objednat.","close":"Zavřít","copyright":"© 2022 Matyáš Caras a přispěvatelé","disagree":"Nesouhlasím","errorContacting":"Nastala chyba při kontaktování serveru, zkontrolujte připojení","errorOrdering":"Jídlo se nepodařilo objednat","exchange":"Burza","exchangeError":"Nepodařilo se vložit jídlo na burzu","friday":"Pátek","home":"Domů","httpLogin":"Snažíte se přihlásit přes nešifrované spojení HTTP, jste si jisti, že tak chcete učinit?","iCanteenUrl":"iCanteen URL","inExchange":"V BURZE","license":"Vydáno pod licencí GNU GPLv3","loading":"Načítání...","logIn":"Přihlášení","loggingIn":"Přihlašuji vás...","loginFailed":"Přihlášení se nezdařilo","menu":"Jídelníček","monday":"Pondělí","mustLogout":"Online přejdete přetažením dolů.","no":"Ne","noChange":"Ne, změnit","noExchange":"Žádné jídlo v burze","noFood":"Žádné jídlo pro tento den","notOfficial":"Toto není oficiální aplikace k ovládání iCanteen. Autor neručí za ztráty nebo nefunkčnost v souvislosti s používáním této aplikace. Pokračováním souhlasíte.","offline":"JSTE OFFLINE","ok":"OK","order":"Objednat","orderSuccess":"Jídlo bylo úspěšně objednáno","ordered":"Objednáno","ordering":"Objednávám...","password":"Heslo","pullToReload":"Potáhněte zvrchu pro načtení","rememberMe":"Zapamatovat si mě","reportBugs":"Zpětná vazba","saturday":"Sobota","saveOffline":"Ukládat jídelníček na dnešní den offline","settings":"Nastavení","signOut":"Odhlásit se","skipWeekend":"Při procházení menu přeskočit víkend","sunday":"Neděle","thursday":"Čtvrtek","tuesday":"Úterý","username":"Uživatelské jméno","verifyExchange":"Opravdu chcete vložit jídlo na burzu?","warning":"Pozor!","wednesday":"Středa","yes":"Ano","aboutFromExch":"Žádné jídlo? Žádný problém!","aboutOrder":"Klepnutím objednáte","aboutToExch":"Nemáte chuť?","appDesc":"OpenCanteen je neoficiální aplikace pro přístup do obědového systému iCanteen","howFromExch":"Z vysunovacího menu přejděte do burzy a objednejte si z dostupných jídel","howOrder":"Jednoduše klepněte na jídlo s modrým políčkem a máte objednáno","howToExch":"Stačí dlouze podržet jméno objednaného jídla a můžete ho přesunout na nebo z burzy","welcome":"Vítejte v OpenCanteen","next":"Další","checkOrdered":"Kontrolovat, jestli mám objednáno na příští týden","noOrder":"Na přístí týden nemáte objednané žádné jídlo!","corrupted":"Nastal problém s dešifrováním uložených údajů, prosím zkuste vyčistit veškerá data této aplikace.","notifyAt":"Odeslat v","notifyLunch":"V určený čas odeslat notifikaci s informacemi o obědě","lunchNotif":"Dnes máte objednáno","error":"Chyba","needRemember":"Musíte své přihlašovací údaje uložit na přihlašovací obrazovce","notifyWarning":"Vaše zařízení může mít povolenou optimalizaci baterie, což může způsobovat neodesílání oznámení. Zkontrolujte nastavení ve vašem zařízení.","signOutWarn":"Opravdu se chcete odhlásit?","jump":"Přeskočit","source":"Zdrojový kód","review":"Ohodnotit aplikaci","saveCount":"Počet dnů dostupných offline (Akt. limit je 7)","errorSaving":"Při ukládání offline nastala chyba, zkuste to znovu později.","todayTooltip":"Přejít na dnešní jídelníček"}

lib/l10n/app_en.arb

@@ -0,0 +1 @@
+{"about":"About","agree":"I agree","appName":"OpenCanteen","balance":"Balance: ","cannotOrder":"This food cannot be ordered.","close":"Close","copyright":"© 2022 Matyáš Caras and contributors","disagree":"I disagree","errorContacting":"Failed to contact the server, check your connection.","errorOrdering":"Could not order food.","exchange":"Exchange","exchangeError":"Could not put food on exchange.","friday":"Friday","home":"Home","httpLogin":"You are trying to sign in using an insecure HTTP connection, are you sure you want to continue?","iCanteenUrl":"iCanteen URL","inExchange":"ON EXCHANGE","license":"Released under the GNU GPLv3","loading":"Loading...","logIn":"Sign in","loggingIn":"Signing you in...","loginFailed":"Sign in failed","menu":"Food Menu","monday":"Monday","mustLogout":"To go online, pull down.","no":"No","noChange":"No, change","noExchange":"No meal in exchange","noFood":"No meal for this day","notOfficial":"This is not an official app for accessing iCanteen. The author is not responsible for non-functionality or losses while using this app. By continuing you agree.","offline":"YOU ARE OFFLINE","ok":"OK","order":"Order","orderSuccess":"Meal ordered succesfully","ordered":"Ordered","ordering":"Ordering...","password":"Password","pullToReload":"Pull to reload","rememberMe":"Remember me","reportBugs":"Feedback","saturday":"Saturday","saveOffline":"Save today's menu offline","settings":"Settings","signOut":"Sign out","skipWeekend":"Skip weekends when browsing menu","sunday":"Sunday","thursday":"Thursday","tuesday":"Tuesday","username":"Username","verifyExchange":"Are you sure you want to put this meal on exchange?","warning":"Warning!","wednesday":"Wednesday","yes":"Yes","appDesc":"OpenCanteen is a mobile app for accessing iCanteen.","welcome":"Welcome to OpenCanteen","aboutOrder":"Order with a tap","howOrder":"Simply tap on a meal with a blue checkbox next to it and it's done!","aboutToExch":"Don't want your food?","howToExch":"If you cannot cancel your order, simply long-tap on the ordered food and put it into the exchange.","aboutFromExch":"No food? No problem!","howFromExch":"Simply check the exchange from the sidebar and order when a meal is available.","next":"Next","checkOrdered":"Check if I have ordered food for the next week","noOrder":"You did not order any food for the next week!","corrupted":"The saved credentials seem to be corrupted, please try clearing the application's data.","notifyAt":"Send notification at","notifyLunch":"Send a notification with meal info","lunchNotif":"Today's ordered meal","error":"Error","needRemember":"You need to save your login details on the login screen first","notifyWarning":"Your device may have battery optimization enabled. This may cause notifications to not be sent. Check the application info in your device's settings.","signOutWarn":"Do you really want to sign out?","jump":"Jump","source":"Source code","review":"Review the app","saveCount":"Number of days to save offline (Current limit is 7)","errorSaving":"An error occured while trying to save menu offline, try again later.","todayTooltip":"Go to today's meal"}

lib/lang/lang.dart

@@ -1,177 +0,0 @@
-import 'package:flutter/material.dart';
-
-abstract class Languages {
-  static Languages? of(BuildContext context) {
-    return Localizations.of<Languages>(context, Languages);
-  }
-
-  String get appName;
-
-  String get home;
-
-  // Login
-
-  String get errorContacting;
-
-  String get loggingIn;
-
-  String get logIn;
-
-  String get username;
-
-  String get password;
-
-  String get iCanteenUrl;
-
-  String get rememberMe;
-
-  String get httpLogin;
-
-  String get yes;
-
-  String get noChange;
-
-  String get notOfficial;
-
-  String get agree;
-
-  String get disagree;
-
-  String get loginFailed;
-
-  String get warning;
-
-  String get corrupted;
-
-  // Jídelníček
-
-  String get todayTooltip;
-
-  String get loading;
-
-  String get monday;
-
-  String get tuesday;
-
-  String get wednesday;
-
-  String get thursday;
-
-  String get friday;
-
-  String get saturday;
-
-  String get sunday;
-
-  String get noFood;
-
-  String get inExchange;
-
-  String get ordering;
-
-  String get errorOrdering;
-
-  String get close;
-
-  String get verifyExchange;
-
-  String get no;
-
-  String get exchangeError;
-
-  String get signOut;
-
-  String get reportBugs;
-
-  String get review;
-
-  String get about;
-
-  String get menu;
-
-  String get balance;
-
-  String get noOrder;
-
-  String get signOutWarn;
-
-  String get jump;
-
-  // Uvítací obrazovka
-
-  String get welcome;
-
-  String get appDesc;
-
-  String get aboutOrder;
-
-  String get howOrder;
-
-  String get aboutToExch;
-
-  String get howToExch;
-
-  String get aboutFromExch;
-
-  String get howFromExch;
-
-  String get next;
-
-  // Burza
-
-  String get exchange;
-
-  String get noExchange;
-
-  String get pullToReload;
-
-  String get ordered;
-
-  String get orderSuccess;
-
-  String get ok;
-
-  String get cannotOrder;
-
-  String get order;
-
-  // About
-
-  String get license;
-
-  String get copyright;
-
-  String get source;
-
-  // Nastavení
-
-  String get settings;
-
-  String get saveOffline;
-
-  String get saveCount;
-
-  String get skipWeekend;
-
-  String get checkOrdered;
-
-  String get notifyLunch;
-
-  String get notifyAt;
-
-  String get notifyWarning;
-
-  // Offline
-  String get offline;
-
-  String get mustLogout;
-
-  String get errorSaving;
-
-  // Oznámit před obědem
-  String get lunchNotif;
-
-  String get error;
-
-  String get needRemember;
-}

lib/lang/lang_cz.dart

@@ -1,250 +0,0 @@
-import 'package:opencanteen/lang/lang.dart';
-
-class LanguageCz extends Languages {
-  @override
-  String get about => "O Aplikaci";
-
-  @override
-  String get agree => "Souhlasím";
-
-  @override
-  String get appName => "OpenCanteen";
-
-  @override
-  String get balance => "Kredit: ";
-
-  @override
-  String get cannotOrder => "Toto jídlo není možné objednat.";
-
-  @override
-  String get close => "Zavřít";
-
-  @override
-  String get copyright => "© 2022 Matyáš Caras a přispěvatelé";
-
-  @override
-  String get disagree => "Nesouhlasím";
-
-  @override
-  String get errorContacting =>
-      "Nastala chyba při kontaktování serveru, zkontrolujte připojení";
-
-  @override
-  String get errorOrdering => "Jídlo se nepodařilo objednat";
-
-  @override
-  String get exchange => "Burza";
-
-  @override
-  String get exchangeError => "Nepodařilo se vložit jídlo na burzu";
-
-  @override
-  String get friday => "Pátek";
-
-  @override
-  String get home => "Domů";
-
-  @override
-  String get httpLogin =>
-      "Snažíte se přihlásit přes nešifrované spojení HTTP, jste si jisti, že tak chcete učinit?";
-
-  @override
-  String get iCanteenUrl => "iCanteen URL";
-
-  @override
-  String get inExchange => "V BURZE";
-
-  @override
-  String get license => "Vydáno pod licencí GNU GPLv3";
-
-  @override
-  String get loading => "Načítání...";
-
-  @override
-  String get logIn => "Přihlášení";
-
-  @override
-  String get loggingIn => "Přihlašuji vás...";
-
-  @override
-  String get loginFailed => "Přihlášení se nezdařilo";
-
-  @override
-  String get menu => "Jídelníček";
-
-  @override
-  String get monday => "Pondělí";
-
-  @override
-  String get mustLogout => "Online přejdete přetažením dolů.";
-
-  @override
-  String get no => "Ne";
-
-  @override
-  String get noChange => "Ne, změnit";
-
-  @override
-  String get noExchange => "Žádné jídlo v burze";
-
-  @override
-  String get noFood => "Žádné jídlo pro tento den";
-
-  @override
-  String get notOfficial =>
-      "Toto není oficiální aplikace k ovládání iCanteen. Autor neručí za ztráty nebo nefunkčnost v souvislosti s používáním této aplikace. Pokračováním souhlasíte.";
-
-  @override
-  String get offline => "JSTE OFFLINE";
-
-  @override
-  String get ok => "OK";
-
-  @override
-  String get order => "Objednat";
-
-  @override
-  String get orderSuccess => "Jídlo bylo úspěšně objednáno";
-
-  @override
-  String get ordered => "Objednáno";
-
-  @override
-  String get ordering => "Objednávám...";
-
-  @override
-  String get password => "Heslo";
-
-  @override
-  String get pullToReload => "Potáhněte zvrchu pro načtení";
-
-  @override
-  String get rememberMe => "Zapamatovat si mě";
-
-  @override
-  String get reportBugs => "Zpětná vazba";
-
-  @override
-  String get saturday => "Sobota";
-
-  @override
-  String get saveOffline => "Ukládat jídelníček na dnešní den offline";
-
-  @override
-  String get settings => "Nastavení";
-
-  @override
-  String get signOut => "Odhlásit se";
-
-  @override
-  String get skipWeekend => "Při procházení menu přeskočit víkend";
-
-  @override
-  String get sunday => "Neděle";
-
-  @override
-  String get thursday => "Čtvrtek";
-
-  @override
-  String get tuesday => "Úterý";
-
-  @override
-  String get username => "Uživatelské jméno";
-
-  @override
-  String get verifyExchange => "Opravdu chcete vložit jídlo na burzu?";
-
-  @override
-  String get warning => "Pozor!";
-
-  @override
-  String get wednesday => "Středa";
-
-  @override
-  String get yes => "Ano";
-
-  @override
-  String get aboutFromExch => "Žádné jídlo? Žádný problém!";
-
-  @override
-  String get aboutOrder => "Klepnutím objednáte";
-
-  @override
-  String get aboutToExch => "Nemáte chuť?";
-
-  @override
-  String get appDesc =>
-      "OpenCanteen je neoficiální aplikace pro přístup do obědového systému iCanteen";
-
-  @override
-  String get howFromExch =>
-      "Z vysunovacího menu přejděte do burzy a objednejte si z dostupných jídel";
-
-  @override
-  String get howOrder =>
-      "Jednoduše klepněte na jídlo s modrým políčkem a máte objednáno";
-
-  @override
-  String get howToExch =>
-      "Stačí dlouze podržet jméno objednaného jídla a můžete ho přesunout na nebo z burzy";
-
-  @override
-  String get welcome => "Vítejte v OpenCanteen";
-
-  @override
-  String get next => "Další";
-
-  @override
-  String get checkOrdered =>
-      "Kontrolovat, jestli mám objednáno na příští týden";
-
-  @override
-  String get noOrder => "Na přístí týden nemáte objednané žádné jídlo!";
-
-  @override
-  String get corrupted =>
-      "Nastal problém s dešifrováním uložených údajů, prosím zkuste vyčistit veškerá data této aplikace.";
-
-  @override
-  String get notifyAt => "Odeslat v";
-
-  @override
-  String get notifyLunch =>
-      "V určený čas odeslat notifikaci s informacemi o obědě";
-
-  @override
-  String get lunchNotif => "Dnes máte objednáno";
-
-  @override
-  String get error => "Chyba";
-
-  @override
-  String get needRemember =>
-      "Musíte své přihlašovací údaje uložit na přihlašovací obrazovce";
-
-  @override
-  String get notifyWarning =>
-      "Vaše zařízení může mít povolenou optimalizaci baterie, což může způsobovat neodesílání oznámení. Zkontrolujte nastavení ve vašem zařízení.";
-
-  @override
-  String get signOutWarn => "Opravdu se chcete odhlásit?";
-
-  @override
-  String get jump => "Přeskočit";
-
-  @override
-  String get source => "Zdrojový kód";
-
-  @override
-  String get review => "Ohodnotit aplikaci";
-
-  @override
-  String get saveCount => "Počet dnů dostupných offline (Akt. limit je 7)";
-
-  @override
-  String get errorSaving =>
-      "Při ukládání offline nastala chyba, zkuste to znovu později.";
-
-  @override
-  String get todayTooltip => "Přejít na dnešní jídelníček";
-}

lib/lang/lang_en.dart

@@ -1,248 +0,0 @@
-import 'package:opencanteen/lang/lang.dart';
-
-class LanguageEn extends Languages {
-  @override
-  String get about => "About";
-
-  @override
-  String get agree => "I agree";
-
-  @override
-  String get appName => "OpenCanteen";
-
-  @override
-  String get balance => "Balance: ";
-
-  @override
-  String get cannotOrder => "This food cannot be ordered.";
-
-  @override
-  String get close => "Close";
-
-  @override
-  String get copyright => "© 2022 Matyáš Caras and contributors";
-
-  @override
-  String get disagree => "I disagree";
-
-  @override
-  String get errorContacting =>
-      "Failed to contact the server, check your connection.";
-
-  @override
-  String get errorOrdering => "Could not order food.";
-
-  @override
-  String get exchange => "Exchange";
-
-  @override
-  String get exchangeError => "Could not put food on exchange.";
-
-  @override
-  String get friday => "Friday";
-
-  @override
-  String get home => "Home";
-
-  @override
-  String get httpLogin =>
-      "You are trying to sign in using an insecure HTTP connection, are you sure you want to continue?";
-
-  @override
-  String get iCanteenUrl => "iCanteen URL";
-
-  @override
-  String get inExchange => "ON EXCHANGE";
-
-  @override
-  String get license => "Released under the GNU GPLv3";
-
-  @override
-  String get loading => "Loading...";
-
-  @override
-  String get logIn => "Sign in";
-
-  @override
-  String get loggingIn => "Signing you in...";
-
-  @override
-  String get loginFailed => "Sign in failed";
-
-  @override
-  String get menu => "Food Menu";
-
-  @override
-  String get monday => "Monday";
-
-  @override
-  String get mustLogout => "To go online, pull down.";
-
-  @override
-  String get no => "No";
-
-  @override
-  String get noChange => "No, change";
-
-  @override
-  String get noExchange => "No meal in exchange";
-
-  @override
-  String get noFood => "No meal for this day";
-
-  @override
-  String get notOfficial =>
-      "This is not an official app for accessing iCanteen. The author is not responsible for non-functionality or losses while using this app. By continuing you agree.";
-
-  @override
-  String get offline => "YOU ARE OFFLINE";
-
-  @override
-  String get ok => "OK";
-
-  @override
-  String get order => "Order";
-
-  @override
-  String get orderSuccess => "Meal ordered succesfully";
-
-  @override
-  String get ordered => "Ordered";
-
-  @override
-  String get ordering => "Ordering...";
-
-  @override
-  String get password => "Password";
-
-  @override
-  String get pullToReload => "Pull to reload";
-
-  @override
-  String get rememberMe => "Remember me";
-
-  @override
-  String get reportBugs => "Feedback";
-
-  @override
-  String get saturday => "Saturday";
-
-  @override
-  String get saveOffline => "Save today's menu offline";
-
-  @override
-  String get settings => "Settings";
-
-  @override
-  String get signOut => "Sign out";
-
-  @override
-  String get skipWeekend => "Skip weekends when browsing menu";
-
-  @override
-  String get sunday => "Sunday";
-
-  @override
-  String get thursday => "Thursday";
-
-  @override
-  String get tuesday => "Tuesday";
-
-  @override
-  String get username => "Username";
-
-  @override
-  String get verifyExchange =>
-      "Are you sure you want to put this meal on exchange?";
-
-  @override
-  String get warning => "Warning!";
-
-  @override
-  String get wednesday => "Wednesday";
-
-  @override
-  String get yes => "Yes";
-
-  @override
-  String get appDesc => "OpenCanteen is a mobile app for accessing iCanteen.";
-
-  @override
-  String get welcome => "Welcome to OpenCanteen";
-
-  @override
-  String get aboutOrder => "Order with a tap";
-
-  @override
-  String get howOrder =>
-      "Simply tap on a meal with a blue checkbox next to it and it's done!";
-
-  @override
-  String get aboutToExch => "Don't want your food?";
-
-  @override
-  String get howToExch =>
-      "If you cannot cancel your order, simply long-tap on the ordered food and put it into the exchange.";
-
-  @override
-  String get aboutFromExch => "No food? No problem!";
-
-  @override
-  String get howFromExch =>
-      "Simply check the exchange from the sidebar and order when a meal is available.";
-
-  @override
-  String get next => "Next";
-
-  @override
-  String get checkOrdered => "Check if I have ordered food for the next week";
-
-  @override
-  String get noOrder => "You did not order any food for the next week!";
-
-  @override
-  String get corrupted =>
-      "The saved credentials seem to be corrupted, please try clearing the application's data.";
-
-  @override
-  String get notifyAt => "Send notification at";
-
-  @override
-  String get notifyLunch => "Send a notification with meal info";
-
-  @override
-  String get lunchNotif => "Today's ordered meal";
-
-  @override
-  String get error => "Error";
-
-  @override
-  String get needRemember =>
-      "You need to save your login details on the login screen first";
-
-  @override
-  String get notifyWarning =>
-      "Your device may have battery optimization enabled. This may cause notifications to not be sent. Check the application info in your device's settings.";
-
-  @override
-  String get signOutWarn => "Do you really want to sign out?";
-
-  @override
-  String get jump => "Jump";
-
-  @override
-  String get source => "Source code";
-
-  @override
-  String get review => "Review the app";
-
-  @override
-  String get saveCount => "Number of days to save offline (Current limit is 7)";
-
-  @override
-  String get errorSaving =>
-      "An error occured while trying to save menu offline, try again later.";
-
-  @override
-  String get todayTooltip => "Go to today's meal";
-}

lib/main.dart

@@ -5,8 +5,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_native_timezone/flutter_native_timezone.dart';
-import 'package:opencanteen/lang/lang_cz.dart';
-import 'package:opencanteen/loginmanager.dart';
 import 'package:canteenlib/canteenlib.dart';
 import 'package:opencanteen/okna/login.dart';
 import 'package:opencanteen/util.dart';
@@ -15,9 +13,9 @@ import 'package:intl/intl.dart';
 import 'package:timezone/data/latest_all.dart' as tz;
 import 'package:timezone/timezone.dart' as tz;
 
-import 'lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
-import 'lang/lang_en.dart';
 import 'color_schemes.g.dart';
+import 'loginmanager.dart';
 /*
 Copyright (C) 2022  Matyáš Caras a přispěvatelé
 
@@ -45,10 +43,10 @@ void setupNotification(SharedPreferences prefs, tz.Location l) async {
   String locale = Intl.getCurrentLocale();
   switch (locale) {
     case "cs_CZ":
-      title = LanguageCz().lunchNotif;
+      title = "Dnes máte objednáno";
       break;
     default:
-      title = LanguageEn().lunchNotif;
+      title = "Today's ordered meal";
   }
 
   /*if (prefs.getBool("offline") ?? false) {
@@ -130,10 +128,10 @@ class MyApp extends StatelessWidget {
         ? MaterialApp(
             debugShowCheckedModeBanner: false,
             localizationsDelegates: const [
-              AppLocalizationsDelegate(),
+              AppLocalizations.delegate,
               ...GlobalMaterialLocalizations.delegates
             ],
-            supportedLocales: const [Locale("cs", ""), Locale("en", "")],
+            supportedLocales: AppLocalizations.supportedLocales,
             title: "OpenCanteen",
             theme: ThemeData(useMaterial3: true, colorScheme: lightColorScheme),
             darkTheme: ThemeData(
@@ -145,10 +143,10 @@ class MyApp extends StatelessWidget {
         : const CupertinoApp(
             debugShowCheckedModeBanner: false,
             localizationsDelegates: [
-              AppLocalizationsDelegate(),
+              AppLocalizations.delegate,
               ...GlobalMaterialLocalizations.delegates
             ],
-            supportedLocales: [Locale("cs", ""), Locale("en", "")],
+            supportedLocales: AppLocalizations.supportedLocales,
             title: "OpenCanteen",
             theme: CupertinoThemeData(
               primaryColor: Colors.purple,
@@ -157,25 +155,3 @@ class MyApp extends StatelessWidget {
           );
   }
 }
-
-class AppLocalizationsDelegate extends LocalizationsDelegate<Languages> {
-  const AppLocalizationsDelegate();
-
-  @override
-  bool isSupported(Locale locale) => ['cs', 'en'].contains(locale.languageCode);
-
-  @override
-  Future<Languages> load(Locale locale) => _load(locale);
-
-  static Future<Languages> _load(Locale locale) async {
-    switch (locale.languageCode) {
-      case 'cs':
-        return LanguageCz();
-      default:
-        return LanguageEn();
-    }
-  }
-
-  @override
-  bool shouldReload(LocalizationsDelegate<Languages> old) => false;
-}

lib/okna/burza.dart

@@ -5,7 +5,7 @@ import 'package:opencanteen/pw/platformbutton.dart';
 import 'package:opencanteen/pw/platformdialog.dart';
 import 'package:opencanteen/util.dart';
 
-import '../../lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class BurzaView extends StatefulWidget {
   const BurzaView({Key? key, required this.canteen}) : super(key: key);
@@ -34,10 +34,10 @@ class _BurzaViewState extends State<BurzaView> {
       if (burza.isEmpty) {
         content = [
           Text(
-            Languages.of(context)!.noExchange,
+            AppLocalizations.of(context)!.noExchange,
             style: const TextStyle(fontSize: 20),
           ),
-          Text(Languages.of(context)!.pullToReload)
+          Text(AppLocalizations.of(context)!.pullToReload)
         ];
       } else {
         for (var b in burza) {
@@ -63,11 +63,12 @@ class _BurzaViewState extends State<BurzaView> {
                             showDialog(
                               context: context,
                               builder: (context) => PlatformDialog(
-                                title: Languages.of(context)!.ordered,
+                                title: AppLocalizations.of(context)!.ordered,
-                                content: Languages.of(context)!.orderSuccess,
+                                content:
+                                    AppLocalizations.of(context)!.orderSuccess,
                                 actions: [
                                   PlatformButton(
-                                    text: Languages.of(context)!.ok,
+                                    text: AppLocalizations.of(context)!.ok,
                                     onPressed: () =>
                                         Navigator.of(context).pop(),
                                   )
@@ -78,11 +79,13 @@ class _BurzaViewState extends State<BurzaView> {
                             showDialog(
                               context: context,
                               builder: (context) => PlatformDialog(
-                                title: Languages.of(context)!.cannotOrder,
+                                title:
-                                content: Languages.of(context)!.errorOrdering,
+                                    AppLocalizations.of(context)!.cannotOrder,
+                                content:
+                                    AppLocalizations.of(context)!.errorOrdering,
                                 actions: [
                                   PlatformButton(
-                                    text: Languages.of(context)!.ok,
+                                    text: AppLocalizations.of(context)!.ok,
                                     onPressed: () =>
                                         Navigator.of(context).pop(),
                                   )
@@ -94,7 +97,7 @@ class _BurzaViewState extends State<BurzaView> {
                         },
                       );
                     },
-                    text: Languages.of(context)!.order,
+                    text: AppLocalizations.of(context)!.order,
                   ),
                 ],
               ),
@@ -117,7 +120,7 @@ class _BurzaViewState extends State<BurzaView> {
     return Scaffold(
       drawer: drawerGenerator(context, widget.canteen, 3),
       appBar: AppBar(
-        title: Text(Languages.of(context)!.exchange),
+        title: Text(AppLocalizations.of(context)!.exchange),
       ),
       body: RefreshIndicator(
           child: Center(
@@ -126,7 +129,7 @@ class _BurzaViewState extends State<BurzaView> {
               child: Column(
                 children: [
                   const SizedBox(height: 10),
-                  Text("${Languages.of(context)!.balance}$balance Kč"),
+                  Text("${AppLocalizations.of(context)!.balance}$balance Kč"),
                   const SizedBox(height: 10),
                   SingleChildScrollView(
                     physics: const AlwaysScrollableScrollPhysics(),

lib/okna/jidelnicek.dart

@@ -14,7 +14,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 
-import '../../lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class MealView extends StatefulWidget {
   const MealView({Key? key, required this.canteen}) : super(key: key);
@@ -44,7 +44,7 @@ class _MealViewState extends State<MealView> {
           ScaffoldMessenger.of(context).hideCurrentSnackBar();
           ScaffoldMessenger.of(context).showSnackBar(
             SnackBar(
-              content: Text(Languages.of(context)!.noOrder),
+              content: Text(AppLocalizations.of(context)!.noOrder),
               duration: const Duration(seconds: 5),
               action: SnackBarAction(
                 onPressed: () => setState(
@@ -53,7 +53,7 @@ class _MealViewState extends State<MealView> {
                     loadMeals();
                   },
                 ),
-                label: Languages.of(context)!.jump,
+                label: AppLocalizations.of(context)!.jump,
               ),
             ),
           );
@@ -67,25 +67,25 @@ class _MealViewState extends State<MealView> {
     content = [const CircularProgressIndicator()];
     switch (day.weekday) {
       case 2:
-        dayOWeek = Languages.of(context)!.tuesday;
+        dayOWeek = AppLocalizations.of(context)!.tuesday;
         break;
       case 3:
-        dayOWeek = Languages.of(context)!.wednesday;
+        dayOWeek = AppLocalizations.of(context)!.wednesday;
         break;
       case 4:
-        dayOWeek = Languages.of(context)!.thursday;
+        dayOWeek = AppLocalizations.of(context)!.thursday;
         break;
       case 5:
-        dayOWeek = Languages.of(context)!.friday;
+        dayOWeek = AppLocalizations.of(context)!.friday;
         break;
       case 6:
-        dayOWeek = Languages.of(context)!.saturday;
+        dayOWeek = AppLocalizations.of(context)!.saturday;
         break;
       case 7:
-        dayOWeek = Languages.of(context)!.sunday;
+        dayOWeek = AppLocalizations.of(context)!.sunday;
         break;
       default:
-        dayOWeek = Languages.of(context)!.monday;
+        dayOWeek = AppLocalizations.of(context)!.monday;
     }
     var uzivatel = await widget.canteen.ziskejUzivatele().catchError(
       (o) {
@@ -98,7 +98,7 @@ class _MealViewState extends State<MealView> {
     );
     balance = uzivatel.kredit;
     var jd = await widget.canteen.jidelnicekDen(den: day).catchError((_) {
-      showInfo(context, Languages.of(context)!.errorContacting);
+      showInfo(context, AppLocalizations.of(context)!.errorContacting);
       return Jidelnicek(DateTime.now(), []);
     });
     setState(
@@ -106,7 +106,7 @@ class _MealViewState extends State<MealView> {
         content = [];
         if (jd.jidla.isEmpty) {
           content.add(Text(
-            Languages.of(context)!.noFood,
+            AppLocalizations.of(context)!.noFood,
             style: const TextStyle(fontSize: 15),
           ));
         } else {
@@ -126,7 +126,7 @@ class _MealViewState extends State<MealView> {
                         ),
                       ),
                       Text((j.naBurze)
-                          ? Languages.of(context)!.inExchange
+                          ? AppLocalizations.of(context)!.inExchange
                           : "${j.cena} Kč"),
                       Checkbox(
                         value: j.objednano,
@@ -139,11 +139,13 @@ class _MealViewState extends State<MealView> {
                               context: context,
                               builder: (context) {
                                 return PlatformDialog(
-                                  title: Languages.of(context)!.errorOrdering,
+                                  title: AppLocalizations.of(context)!
-                                  content: Languages.of(context)!.cannotOrder,
+                                      .errorOrdering,
+                                  content:
+                                      AppLocalizations.of(context)!.cannotOrder,
                                   actions: [
                                     PlatformButton(
-                                      text: Languages.of(context)!.ok,
+                                      text: AppLocalizations.of(context)!.ok,
                                       onPressed: () {
                                         Navigator.of(context).pop();
                                       },
@@ -165,7 +167,8 @@ class _MealViewState extends State<MealView> {
                                         padding: EdgeInsets.all(10),
                                         child: CircularProgressIndicator(),
                                       ),
-                                      Text(Languages.of(context)!.ordering)
+                                      Text(AppLocalizations.of(context)!
+                                          .ordering)
                                     ],
                                   ),
                                 ),
@@ -181,11 +184,13 @@ class _MealViewState extends State<MealView> {
                                 showDialog(
                                   context: context,
                                   builder: (bc) => PlatformDialog(
-                                    title: Languages.of(context)!.errorOrdering,
+                                    title: AppLocalizations.of(context)!
+                                        .errorOrdering,
                                     content: o.toString(),
                                     actions: [
                                       PlatformButton(
-                                        text: Languages.of(context)!.close,
+                                        text:
+                                            AppLocalizations.of(context)!.close,
                                         onPressed: () {
                                           Navigator.pop(bc);
                                         },
@@ -206,11 +211,11 @@ class _MealViewState extends State<MealView> {
                         context: context,
                         builder: (context) {
                           return PlatformDialog(
-                            title: Languages.of(context)!.errorOrdering,
+                            title: AppLocalizations.of(context)!.errorOrdering,
-                            content: Languages.of(context)!.cannotOrder,
+                            content: AppLocalizations.of(context)!.cannotOrder,
                             actions: [
                               PlatformButton(
-                                text: Languages.of(context)!.ok,
+                                text: AppLocalizations.of(context)!.ok,
                                 onPressed: () {
                                   Navigator.of(context).pop();
                                 },
@@ -231,7 +236,7 @@ class _MealViewState extends State<MealView> {
                                 padding: EdgeInsets.all(10),
                                 child: CircularProgressIndicator(),
                               ),
-                              Text(Languages.of(context)!.ordering)
+                              Text(AppLocalizations.of(context)!.ordering)
                             ]),
                           ),
                         ),
@@ -245,11 +250,12 @@ class _MealViewState extends State<MealView> {
                           showDialog(
                             context: context,
                             builder: (bc) => PlatformDialog(
-                              title: Languages.of(context)!.errorOrdering,
+                              title:
+                                  AppLocalizations.of(context)!.errorOrdering,
                               content: o.toString(),
                               actions: [
                                 PlatformButton(
-                                  text: Languages.of(context)!.close,
+                                  text: AppLocalizations.of(context)!.close,
                                   onPressed: () {
                                     Navigator.pop(bc);
                                   },
@@ -268,19 +274,19 @@ class _MealViewState extends State<MealView> {
                       var d = await showDialog(
                         context: context,
                         builder: (bc) => PlatformDialog(
-                          title: Languages.of(context)!.verifyExchange,
+                          title: AppLocalizations.of(context)!.verifyExchange,
                           actions: [
                             PlatformButton(
                               onPressed: () {
                                 Navigator.pop(bc, true);
                               },
-                              text: Languages.of(context)!.yes,
+                              text: AppLocalizations.of(context)!.yes,
                             ),
                             PlatformButton(
                               onPressed: () {
                                 Navigator.pop(bc, false);
                               },
-                              text: Languages.of(context)!.no,
+                              text: AppLocalizations.of(context)!.no,
                             ),
                           ],
                         ),
@@ -293,11 +299,12 @@ class _MealViewState extends State<MealView> {
                           showDialog(
                             context: context,
                             builder: (bc) => PlatformDialog(
-                              title: Languages.of(context)!.exchangeError,
+                              title:
+                                  AppLocalizations.of(context)!.exchangeError,
                               content: o.toString(),
                               actions: [
                                 PlatformButton(
-                                  text: Languages.of(context)!.close,
+                                  text: AppLocalizations.of(context)!.close,
                                   onPressed: () {
                                     Navigator.pop(bc);
                                   },
@@ -323,12 +330,12 @@ class _MealViewState extends State<MealView> {
   }
 
   Future<void> click(String value, BuildContext context) async {
-    if (value == Languages.of(context)!.signOut) {
+    if (value == AppLocalizations.of(context)!.signOut) {
       await showDialog<bool>(
         context: context,
         builder: (c) => PlatformDialog(
-          title: Languages.of(context)!.warning,
+          title: AppLocalizations.of(context)!.warning,
-          content: Languages.of(context)!.signOutWarn,
+          content: AppLocalizations.of(context)!.signOutWarn,
           actions: [
             PlatformButton(
                 onPressed: () {
@@ -339,41 +346,41 @@ class _MealViewState extends State<MealView> {
                       platformRouter((c) => const LoginPage()),
                       (route) => false);
                 },
-                text: Languages.of(context)!.yes),
+                text: AppLocalizations.of(context)!.yes),
             PlatformButton(
               onPressed: () => Navigator.of(context).pop(),
-              text: Languages.of(context)!.no,
+              text: AppLocalizations.of(context)!.no,
             )
           ],
         ),
       );
-    } else if (value == Languages.of(context)!.review) {
+    } else if (value == AppLocalizations.of(context)!.review) {
       launchUrl(
           Uri.parse((Platform.isAndroid)
               ? "market://details?id=cz.hernikplays.opencanteen"
               : "https://apps.apple.com/cz/app/opencanteen/id1621124445"),
           mode: LaunchMode.externalApplication);
-    } else if (value == Languages.of(context)!.reportBugs) {
+    } else if (value == AppLocalizations.of(context)!.reportBugs) {
       launchUrl(Uri.parse("https://forms.gle/jKN7QeFJwpaApSbC8"),
           mode: LaunchMode.externalApplication);
-    } else if (value == Languages.of(context)!.about) {
+    } else if (value == AppLocalizations.of(context)!.about) {
       var packageInfo = await PackageInfo.fromPlatform();
       if (!mounted) return;
       showAboutDialog(
           context: context,
           applicationName: "OpenCanteen",
           applicationLegalese:
-              "${Languages.of(context)!.copyright}\n${Languages.of(context)!.license}",
+              "${AppLocalizations.of(context)!.copyright}\n${AppLocalizations.of(context)!.license}",
           applicationVersion: packageInfo.version,
           children: [
             PlatformButton(
               onPressed: (() => launchUrl(
                   Uri.parse("https://git.mnau.xyz/hernik/opencanteen"),
                   mode: LaunchMode.externalApplication)),
-              text: Languages.of(context)!.source,
+              text: AppLocalizations.of(context)!.source,
             )
           ]);
-    } else if (value == Languages.of(context)!.settings) {
+    } else if (value == AppLocalizations.of(context)!.settings) {
       Navigator.push(context, platformRouter((c) => const AndroidNastaveni()));
     }
   }
@@ -409,7 +416,7 @@ class _MealViewState extends State<MealView> {
             if (!mounted) return;
             ScaffoldMessenger.of(context).hideCurrentSnackBar();
             ScaffoldMessenger.of(context).showSnackBar(SnackBar(
-              content: Text(Languages.of(context)!.errorSaving),
+              content: Text(AppLocalizations.of(context)!.errorSaving),
               duration: const Duration(seconds: 5),
             ));
             break;
@@ -447,17 +454,17 @@ class _MealViewState extends State<MealView> {
     return Scaffold(
       drawer: drawerGenerator(context, widget.canteen, 1),
       appBar: AppBar(
-        title: Text(Languages.of(context)!.menu),
+        title: Text(AppLocalizations.of(context)!.menu),
         actions: [
           PopupMenuButton(
             onSelected: ((String value) => click(value, context)),
             itemBuilder: (BuildContext context) {
               return {
-                Languages.of(context)!.reportBugs,
+                AppLocalizations.of(context)!.reportBugs,
-                Languages.of(context)!.review,
+                AppLocalizations.of(context)!.review,
-                Languages.of(context)!.settings,
+                AppLocalizations.of(context)!.settings,
-                Languages.of(context)!.about,
+                AppLocalizations.of(context)!.about,
-                Languages.of(context)!.signOut
+                AppLocalizations.of(context)!.signOut
               }.map((String choice) {
                 return PopupMenuItem<String>(
                   value: choice,
@@ -476,7 +483,7 @@ class _MealViewState extends State<MealView> {
             child: Column(
               children: [
                 const SizedBox(height: 10),
-                Text("${Languages.of(context)!.balance}$balance Kč"),
+                Text("${AppLocalizations.of(context)!.balance}$balance Kč"),
                 Row(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
@@ -521,7 +528,7 @@ class _MealViewState extends State<MealView> {
                       icon: const Icon(Icons.arrow_right),
                     ),
                     Tooltip(
-                      message: Languages.of(context)!.todayTooltip,
+                      message: AppLocalizations.of(context)!.todayTooltip,
                       child: IconButton(
                         onPressed: () => setState(
                           () {

lib/okna/login.dart

@@ -7,7 +7,7 @@ import 'package:opencanteen/okna/welcome.dart';
 import 'package:opencanteen/pw/platformbutton.dart';
 import 'package:opencanteen/pw/platformfield.dart';
 
-import '../../lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import '../../loginmanager.dart';
 import '../../main.dart';
 import '../../util.dart';
@@ -52,7 +52,7 @@ class _LoginPageState extends State<LoginPage> {
                         padding: EdgeInsets.all(10),
                         child: CircularProgressIndicator(),
                       ),
-                      Text(Languages.of(context)!.loggingIn)
+                      Text(AppLocalizations.of(context)!.loggingIn)
                     ]),
                   ),
                 ));
@@ -64,7 +64,7 @@ class _LoginPageState extends State<LoginPage> {
             ScaffoldMessenger.of(context).hideCurrentSnackBar();
             ScaffoldMessenger.of(context).showSnackBar(
               SnackBar(
-                content: Text(Languages.of(context)!.loginFailed),
+                content: Text(AppLocalizations.of(context)!.loginFailed),
               ),
             );
             return;
@@ -90,11 +90,11 @@ class _LoginPageState extends State<LoginPage> {
         } on PlatformException {
           if (!mounted) return;
           Navigator.of(context).pop();
-          showInfo(context, Languages.of(context)!.corrupted);
+          showInfo(context, AppLocalizations.of(context)!.corrupted);
         } catch (_) {
           if (!mounted) return;
           Navigator.of(context).pop();
-          showInfo(context, Languages.of(context)!.errorContacting);
+          showInfo(context, AppLocalizations.of(context)!.errorContacting);
           goOffline();
         }
       }
@@ -105,7 +105,7 @@ class _LoginPageState extends State<LoginPage> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(Languages.of(context)!.logIn),
+        title: Text(AppLocalizations.of(context)!.logIn),
         automaticallyImplyLeading: false,
       ),
       body: Center(
@@ -116,23 +116,23 @@ class _LoginPageState extends State<LoginPage> {
               mainAxisAlignment: MainAxisAlignment.center,
               children: <Widget>[
                 Text(
-                  Languages.of(context)!.appName,
+                  AppLocalizations.of(context)!.appName,
                   textAlign: TextAlign.center,
                   style: const TextStyle(
                       fontWeight: FontWeight.bold, fontSize: 40),
                 ),
                 Text(
-                  Languages.of(context)!.logIn,
+                  AppLocalizations.of(context)!.logIn,
                   textAlign: TextAlign.center,
                 ),
                 PlatformField(
                   controller: userControl,
                   autofillHints: const [AutofillHints.username],
-                  labelText: Languages.of(context)!.username,
+                  labelText: AppLocalizations.of(context)!.username,
                 ),
                 PlatformField(
                   autofillHints: const [AutofillHints.password],
-                  labelText: Languages.of(context)!.password,
+                  labelText: AppLocalizations.of(context)!.password,
                   controller: passControl,
                   obscureText: true,
                 ),
@@ -164,7 +164,7 @@ class _LoginPageState extends State<LoginPage> {
                   duration: const Duration(milliseconds: 300),
                   child: PlatformField(
                     autofillHints: const [AutofillHints.url],
-                    labelText: Languages.of(context)!.iCanteenUrl,
+                    labelText: AppLocalizations.of(context)!.iCanteenUrl,
                     keyboardType: TextInputType.url,
                     controller: canteenControl,
                   ),
@@ -178,7 +178,7 @@ class _LoginPageState extends State<LoginPage> {
                       });
                     },
                   ),
-                  Text(Languages.of(context)!.rememberMe)
+                  Text(AppLocalizations.of(context)!.rememberMe)
                 ]),
                 PlatformButton(
                     onPressed: () async {
@@ -195,7 +195,8 @@ class _LoginPageState extends State<LoginPage> {
                             userControl.text, passControl.text);
                         if (!l) {
                           if (!mounted) return;
-                          showInfo(context, Languages.of(context)!.loginFailed);
+                          showInfo(context,
+                              AppLocalizations.of(context)!.loginFailed);
                           return;
                         }
                         if (rememberMe) {
@@ -227,15 +228,16 @@ class _LoginPageState extends State<LoginPage> {
                         }
                       } on PlatformException {
                         if (!mounted) return;
-                        showInfo(context, Languages.of(context)!.corrupted);
+                        showInfo(
+                            context, AppLocalizations.of(context)!.corrupted);
                       } on Exception catch (_) {
                         if (!mounted) return;
-                        showInfo(
+                        showInfo(context,
-                            context, Languages.of(context)!.errorContacting);
+                            AppLocalizations.of(context)!.errorContacting);
                         //goOffline();
                       }
                     },
-                    text: Languages.of(context)!.logIn),
+                    text: AppLocalizations.of(context)!.logIn),
               ],
             ),
           ),

lib/okna/nastaveni.dart

@@ -13,7 +13,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:timezone/timezone.dart' as tz;
 
-import '../../lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import '../../loginmanager.dart';
 import '../../main.dart';
 import '../../util.dart';
@@ -74,7 +74,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(Languages.of(context)!.settings),
+        title: Text(AppLocalizations.of(context)!.settings),
       ),
       body: Center(
         child: SizedBox(
@@ -84,7 +84,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  Text(Languages.of(context)!.saveOffline),
+                  Text(AppLocalizations.of(context)!.saveOffline),
                   PlatformSwitch(
                     value: _saveOffline,
                     onChanged: (value) {
@@ -100,7 +100,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  Text(Languages.of(context)!.saveCount),
+                  Text(AppLocalizations.of(context)!.saveCount),
                   SizedBox(
                     width: 35,
                     child: PlatformField(
@@ -121,7 +121,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  Text(Languages.of(context)!.skipWeekend),
+                  Text(AppLocalizations.of(context)!.skipWeekend),
                   PlatformSwitch(
                     value: _skipWeekend,
                     onChanged: (value) {
@@ -138,7 +138,8 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  Flexible(child: Text(Languages.of(context)!.checkOrdered)),
+                  Flexible(
+                      child: Text(AppLocalizations.of(context)!.checkOrdered)),
                   PlatformSwitch(
                     value: _checkWeek,
                     onChanged: (value) {
@@ -155,7 +156,8 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
               Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  Flexible(child: Text(Languages.of(context)!.notifyLunch)),
+                  Flexible(
+                      child: Text(AppLocalizations.of(context)!.notifyLunch)),
                   PlatformSwitch(
                     value: _notifyMeal,
                     thumbColor: (!_remember ? Colors.grey : null),
@@ -164,11 +166,11 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
                         showDialog(
                           context: context,
                           builder: (bc) => PlatformDialog(
-                            title: Languages.of(context)!.error,
+                            title: AppLocalizations.of(context)!.error,
-                            content: Languages.of(context)!.needRemember,
+                            content: AppLocalizations.of(context)!.needRemember,
                             actions: [
                               PlatformButton(
-                                text: Languages.of(context)!.ok,
+                                text: AppLocalizations.of(context)!.ok,
                                 onPressed: () {
                                   Navigator.of(context).pop();
                                 },
@@ -183,11 +185,12 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
                             showDialog(
                               context: context,
                               builder: (context) => PlatformDialog(
-                                title: Languages.of(context)!.warning,
+                                title: AppLocalizations.of(context)!.warning,
-                                content: Languages.of(context)!.notifyWarning,
+                                content:
+                                    AppLocalizations.of(context)!.notifyWarning,
                                 actions: [
                                   PlatformButton(
-                                    text: Languages.of(context)!.ok,
+                                    text: AppLocalizations.of(context)!.ok,
                                     onPressed: () {
                                       Navigator.of(context).pop();
                                     },
@@ -204,7 +207,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
                   )
                 ],
               ),
-              Text(Languages.of(context)!.notifyAt),
+              Text(AppLocalizations.of(context)!.notifyAt),
               PlatformButton(
                 onPressed: () async {
                   if (_notifyMeal) {
@@ -272,7 +275,7 @@ class _AndroidNastaveniState extends State<AndroidNastaveni> {
           await flutterLocalNotificationsPlugin.zonedSchedule(
               // schedules a notification
               0,
-              Languages.of(context)!.lunchNotif,
+              AppLocalizations.of(context)!.lunchNotif,
               "${jidlo.varianta} - ${jidlo.nazev}",
               tz.TZDateTime.from(den, l),
               const NotificationDetails(android: androidSpec),

lib/okna/offline_jidelnicek.dart

@@ -11,7 +11,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:url_launcher/url_launcher.dart';
 
-import '../../lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class OfflineMealView extends StatefulWidget {
   const OfflineMealView({Key? key}) : super(key: key);
@@ -56,25 +56,25 @@ class _OfflineMealViewState extends State<OfflineMealView> {
     currentDay = jidelnicek[0].day;
     switch (currentDay.weekday) {
       case 2:
-        dayOWeek = Languages.of(context)!.tuesday;
+        dayOWeek = AppLocalizations.of(context)!.tuesday;
         break;
       case 3:
-        dayOWeek = Languages.of(context)!.wednesday;
+        dayOWeek = AppLocalizations.of(context)!.wednesday;
         break;
       case 4:
-        dayOWeek = Languages.of(context)!.thursday;
+        dayOWeek = AppLocalizations.of(context)!.thursday;
         break;
       case 5:
-        dayOWeek = Languages.of(context)!.friday;
+        dayOWeek = AppLocalizations.of(context)!.friday;
         break;
       case 6:
-        dayOWeek = Languages.of(context)!.saturday;
+        dayOWeek = AppLocalizations.of(context)!.saturday;
         break;
       case 7:
-        dayOWeek = Languages.of(context)!.sunday;
+        dayOWeek = AppLocalizations.of(context)!.sunday;
         break;
       default:
-        dayOWeek = Languages.of(context)!.monday;
+        dayOWeek = AppLocalizations.of(context)!.monday;
     }
     content = [];
     for (OfflineMeal j in jidelnicek) {
@@ -93,7 +93,7 @@ class _OfflineMealViewState extends State<OfflineMealView> {
                   ),
                 ),
                 Text((j.onExchange)
-                    ? Languages.of(context)!.inExchange
+                    ? AppLocalizations.of(context)!.inExchange
                     : "${j.price} Kč"),
                 Checkbox(
                   value: j.ordered,
@@ -112,34 +112,34 @@ class _OfflineMealViewState extends State<OfflineMealView> {
   }
 
   void click(String value, BuildContext context) async {
-    if (value == Languages.of(context)!.signOut) {
+    if (value == AppLocalizations.of(context)!.signOut) {
       const storage = FlutterSecureStorage();
       storage.deleteAll();
       Navigator.pushReplacement(
           context, platformRouter((c) => const LoginPage()));
-    } else if (value == Languages.of(context)!.review) {
+    } else if (value == AppLocalizations.of(context)!.review) {
       launchUrl(
           Uri.parse((Platform.isAndroid)
               ? "market://details?id=cz.hernikplays.opencanteen"
               : "https://apps.apple.com/cz/app/opencanteen/id1621124445"),
           mode: LaunchMode.externalApplication);
-    } else if (value == Languages.of(context)!.reportBugs) {
+    } else if (value == AppLocalizations.of(context)!.reportBugs) {
       launchUrl(Uri.parse("https://forms.gle/jKN7QeFJwpaApSbC8"),
           mode: LaunchMode.externalApplication);
-    } else if (value == Languages.of(context)!.about) {
+    } else if (value == AppLocalizations.of(context)!.about) {
       var packageInfo = await PackageInfo.fromPlatform();
       if (!mounted) return;
       showAboutDialog(
         context: context,
         applicationName: "OpenCanteen",
         applicationLegalese:
-            "${Languages.of(context)!.copyright}\n${Languages.of(context)!.license}",
+            "${AppLocalizations.of(context)!.copyright}\n${AppLocalizations.of(context)!.license}",
         applicationVersion: packageInfo.version,
         children: [
           PlatformButton(
             onPressed: (() => launchUrl(
                 Uri.parse("https://git.mnau.xyz/hernik/opencanteen"))),
-            text: Languages.of(context)!.source,
+            text: AppLocalizations.of(context)!.source,
           )
         ],
       );
@@ -163,17 +163,17 @@ class _OfflineMealViewState extends State<OfflineMealView> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(Languages.of(context)!.menu),
+        title: Text(AppLocalizations.of(context)!.menu),
         automaticallyImplyLeading: false,
         actions: [
           PopupMenuButton(
             onSelected: ((String value) => click(value, context)),
             itemBuilder: (BuildContext context) {
               return {
-                Languages.of(context)!.reportBugs,
+                AppLocalizations.of(context)!.reportBugs,
-                Languages.of(context)!.review,
+                AppLocalizations.of(context)!.review,
-                Languages.of(context)!.about,
+                AppLocalizations.of(context)!.about,
-                Languages.of(context)!.signOut
+                AppLocalizations.of(context)!.signOut
               }.map((String choice) {
                 return PopupMenuItem<String>(
                   value: choice,
@@ -192,10 +192,10 @@ class _OfflineMealViewState extends State<OfflineMealView> {
               children: [
                 const SizedBox(height: 10),
                 Text(
-                  Languages.of(context)!.offline,
+                  AppLocalizations.of(context)!.offline,
                   style: const TextStyle(fontWeight: FontWeight.bold),
                 ),
-                Text(Languages.of(context)!.mustLogout),
+                Text(AppLocalizations.of(context)!.mustLogout),
                 const SizedBox(height: 10),
                 Row(mainAxisAlignment: MainAxisAlignment.center, children: [
                   IconButton(

lib/okna/welcome.dart

@@ -2,7 +2,7 @@ import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:introduction_screen/introduction_screen.dart';
-import 'package:opencanteen/lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 import 'package:opencanteen/okna/jidelnicek.dart';
 import 'package:opencanteen/util.dart';
 
@@ -20,39 +20,39 @@ class _WelcomePageState extends State<WelcomePage> {
   Widget build(BuildContext context) {
     var listPagesViewModel = [
       PageViewModel(
-        title: Languages.of(context)!.welcome,
+        title: AppLocalizations.of(context)!.welcome,
-        body: Languages.of(context)!.appDesc,
+        body: AppLocalizations.of(context)!.appDesc,
         image: const Center(
           child: Icon(Icons.waving_hand_outlined, size: 175),
         ),
       ),
       PageViewModel(
-        title: Languages.of(context)!.aboutOrder,
+        title: AppLocalizations.of(context)!.aboutOrder,
-        body: Languages.of(context)!.howOrder,
+        body: AppLocalizations.of(context)!.howOrder,
         image: Center(
           child: Image.asset('assets/objednavam.png',
               width: MediaQuery.of(context).size.width * 0.85),
         ),
       ),
       PageViewModel(
-        title: Languages.of(context)!.aboutToExch,
+        title: AppLocalizations.of(context)!.aboutToExch,
-        body: Languages.of(context)!.howToExch,
+        body: AppLocalizations.of(context)!.howToExch,
         image: Center(
           child: Image.asset('assets/doburzy.png',
               width: MediaQuery.of(context).size.width * 0.85),
         ),
       ),
       PageViewModel(
-        title: Languages.of(context)!.aboutFromExch,
+        title: AppLocalizations.of(context)!.aboutFromExch,
-        body: Languages.of(context)!.howFromExch,
+        body: AppLocalizations.of(context)!.howFromExch,
         image: Center(
           child: Image.asset('assets/burza.png',
               width: MediaQuery.of(context).size.width * 0.85),
         ),
       ),
       PageViewModel(
-        title: Languages.of(context)!.warning,
+        title: AppLocalizations.of(context)!.warning,
-        body: Languages.of(context)!.notOfficial,
+        body: AppLocalizations.of(context)!.notOfficial,
         image: const Center(
           child: Icon(Icons.warning_amber_outlined, size: 175),
         ),
@@ -61,8 +61,8 @@ class _WelcomePageState extends State<WelcomePage> {
     return Scaffold(
       body: IntroductionScreen(
         pages: listPagesViewModel,
-        next: Text(Languages.of(context)!.next),
+        next: Text(AppLocalizations.of(context)!.next),
-        done: Text(Languages.of(context)!.ok,
+        done: Text(AppLocalizations.of(context)!.ok,
             style: const TextStyle(fontWeight: FontWeight.w600)),
         onDone: () async {
           const storage = FlutterSecureStorage();

lib/util.dart

@@ -6,7 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:opencanteen/okna/burza.dart';
 import 'package:opencanteen/okna/jidelnicek.dart';
-import 'lang/lang.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
   Drawer drawer = const Drawer();
@@ -17,17 +17,17 @@ Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
         child: ListView(
           children: [
             DrawerHeader(
-              child: Text(Languages.of(context)!.appName),
+              child: Text(AppLocalizations.of(context)!.appName),
             ),
             ListTile(
               selected: true,
-              title: Text(Languages.of(context)!.home),
+              title: Text(AppLocalizations.of(context)!.home),
               leading: const Icon(Icons.home),
               onTap: () => Navigator.pop(context),
             ),
             ListTile(
               leading: const Icon(Icons.store),
-              title: Text(Languages.of(context)!.exchange),
+              title: Text(AppLocalizations.of(context)!.exchange),
               onTap: () => Navigator.push(
                 context,
                 platformRouter((context) => BurzaView(canteen: canteen)),
@@ -43,11 +43,11 @@ Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
         child: ListView(
           children: [
             DrawerHeader(
-              child: Text(Languages.of(context)!.appName),
+              child: Text(AppLocalizations.of(context)!.appName),
             ),
             ListTile(
               leading: const Icon(Icons.home),
-              title: Text(Languages.of(context)!.home),
+              title: Text(AppLocalizations.of(context)!.home),
               onTap: () => Navigator.push(
                 context,
                 platformRouter((c) => MealView(canteen: canteen)),
@@ -56,7 +56,7 @@ Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
             ListTile(
               leading: const Icon(Icons.store),
               selected: true,
-              title: Text(Languages.of(context)!.exchange),
+              title: Text(AppLocalizations.of(context)!.exchange),
               onTap: () => Navigator.pop(context),
             ),
           ],

pubspec.yaml

@@ -42,6 +42,7 @@ flutter_icons:
 
 flutter:
   uses-material-design: true
+  generate: true
 
   # To add assets to your application, add an assets section, like this:
   assets: