Internationalization and Localization - Part 1 (#171)

* Update main.dart * Include intl package * Generate keys arb file --------- Co-authored-by: René Apitzsch <[email protected]> Co-authored-by: Robin Thomas <[email protected]>
OPENER-next · Jun 6, 2023 · 857d378 · 857d378
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diff --git a/l10n.yaml b/l10n.yaml
@@ -0,0 +1,3 @@
+arb-dir: lib/l10n
+template-arb-file: app_en.arb
+output-localization-file: app_localizations.dart
diff --git a/lib/l10n/app_de.arb b/lib/l10n/app_de.arb
@@ -0,0 +1,141 @@
+{
+  "@@locale": "de",
+  "aboutTitle": "Über",
+  "@aboutTitle": {},
+  "aboutSlogan": "Nächster Halt: Barrierefreiheit",
+  "@aboutSlogan": {},
+  "aboutVersion": "Version",
+  "@aboutVersion": {},
+  "aboutAuthorsLabel": "Autoren",
+  "@aboutAuthorsLabel": {},
+  "aboutAuthorsDescription": "{appName} Mitwirkende",
+  "@aboutAuthorsDescription": {},
+  "aboutPrivacyPolicyLabel": "Datenschutzerklärung",
+  "@aboutPrivacyPolicyLabel": {},
+  "aboutIdeaLabel": "Idee",
+  "@aboutIdeaLabel": {},
+  "aboutIdeaDescription": "Technische Universität Chemnitz\nProfessur Schaltkreis- und Systementwurf",
+  "@aboutIdeaDescription": {},
+  "aboutLicenseLabel": "Lizenz",
+  "@aboutLicenseLabel": {},
+  "aboutLicensePackageLabel": "Lizenzen verwendeter Pakete",
+  "@aboutLicensePackageLabel": {},
+  "aboutSourceCodeLabel": "Quellcode",
+  "@aboutSourceCodeLabel": {},
+
+  "helpTitle": "Hilfe",
+  "@helpTitle": {},
+  "helpOnboardingLabel": "Einführung erneut anschauen",
+  "@helpOnboardingLabel": {},
+  "helpReportError": "Fehler melden",
+  "@helpReportError": {},
+
+  "onboardingGreetingTitle": "Hey!",
+  "@onboardingGreetingTitle": {},
+  "onboardingGreetingDescription": "Wir freuen uns, dass du hier bist und deinen Teil zu einem besseren Nahverkehr beitragen willst.",
+  "@onboardingGreetingDescription": {},
+  "onboardingGreetingButton": "So funktioniert's",
+  "@onboardingGreetingButton": {},
+
+  "onboardingSurveyTitle": "Schau's dir an",
+  "@onboardingSurveyTitle": {},
+  "onboardingSurveyDescription": "Begib dich zu einer Haltestelle in deiner Umgebung, um ihren aktuellen Zustand zu erfassen.",
+  "@onboardingSurveyDescription": {},
+  "onboardingSurveyingButton": "Mach' ich",
+  "@onboardingSurveyingButton": {},
+
+  "onboardingAnsweringTitle": "Jetzt bist du gefragt",
+  "@onboardingAnsweringTitle": {},
+  "onboardingAnsweringDescription": "Wähle zur Erfassung einen Marker in der App aus und beantworte die angezeigten Fragen.",
+  "@onboardingAnsweringDescription": {},
+  "onboardingAnsweringButton": "Okay, verstanden",
+  "@onboardingAnsweringButton": {},
+
+  "onboardingContributingTitle": "Sharing is caring",
+  "@onboardingContributingTitle": {},
+  "onboardingContributingDescription": "Lade deine Antworten auf OpenStreetMap hoch und stelle sie so der ganzen Welt zur Verfügung.",
+  "@onboardingContributingDescription": {},
+  "onboardingContributingButton": "Los geht's",
+  "@onboardingContributingButton": {},
+
+  "privacyPolicyTitle": "Datenschutzerklärung",
+  "@privacyPolicyTitle": {},
+
+  "settingsTitle": "Einstellungen",
+  "@settingsTitle": {},
+  "settingsProfessionalQuestionsLabel": "Profi-Fragen anzeigen",
+  "@settingsProfessionalQuestionsLabel": {},
+  "settingsProfessionalQuestionsDescription": "Aus Sicherheitsgründen nur für Fachpersonal bestimmt",
+  "@settingsProfessionalQuestionsDescription": {},
+  "settingsThemeLabel": "Farbliche Darstellung der App",
+  "@settingsThemeLabel": {},
+  "settingsThemeDialogTitle": "Design auswählen",
+  "@settingsThemeDialogTitle": {},
+  "settingsThemeOptionSystem": "Systemeinstellung",
+  "@settingsThemeOptionSystem": {},
+  "settingsThemeOptionLight": "Hell",
+  "@settingsThemeOptionLight": {},
+  "settingsThemeOptionDark": "Dunkel",
+  "@settingsThemeOptionDark": {},
+
+  "logoutDialogTitle": "Von OSM abmelden?",
+  "@logoutDialogTitle": {},
+  "logoutDialogDescription": "Wenn du dich abmeldest, kannst du keine Änderungen mehr zu OpenStreetMap hochladen.",
+  "@logoutDialogDescription": {},
+  "loginHint": "Melde dich mit deinem OpenStreetMap-Konto an, um deine Änderungen hochzuladen.",
+  "@loginHint": {},
+
+  "numberInputPlaceholder": "Hier eintragen...",
+  "@numberInputPlaceholder": {},
+  "numberInputFallbackName": "Wert",
+  "@numberInputFallbackName": {},
+  "numberInputValidationError": "Ungültige Zahl",
+  "@numberInputValidationError": {},
+  "numberInputValidationErrorMax": "{nameString} muss kleiner sein als {max}.",
+  "@numberInputValidationErrorMax": {},
+  "numberInputValidationErrorMin": "{nameString} muss größer sein als {min}.",
+  "@numberInputValidationErrorMin": {},
+
+  "stringInputPlaceholder": "Hier eintragen...",
+  "@stringInputPlaceholder": {},
+  "stringInputValidationErrorMin": "Eingabe zu kurz",
+  "@stringInputValidationErrorMin": {},
+
+  "changesetCommentMessage": "Details zu {mapFeaturesString} im Haltestellenbereich {stopsString} hinzugefügt.",
+  "@changesetCommentMessage": {},
+  "changesetCommentConjunctionString": "und",
+  "@changesetCommentConjunctionString": {},
+  "uploadMessageSuccess": "Änderungen erfolgreich übertragen.",
+  "@uploadMessageSuccess": {},
+  "uploadMessageServerConnectionError": "Fehler: Keine Verbindung zum OSM-Server.",
+  "@uploadMessageServerConnectionError": {},
+  "uploadMessageUnknownConnectionError": "Unbekannter Fehler bei der Übertragung.",
+  "@uploadMessageUnknownConnectionError": {},
+  "questionnaireSummaryMessage": "Danke {userName} für deine Antworten.\nBitte prüfe sie vor dem Hochladen nochmal.",
+  "@questionnaireSummaryMessage": {},
+
+  "back": "Zurück",
+  "@back": {},
+  "next": "Weiter",
+  "@next": {},
+  "cancel": "Abbrechen",
+  "@cancel": {},
+  "confirm": "Bestätigen",
+  "@confirm": {},
+  "finish": "Abschließen",
+  "@finish": {},
+  "login": "Anmelden",
+  "@login": {},
+  "logout": "Abmelden",
+  "@logout": {},
+  "skip": "Überspringen",
+  "@skip": {},
+  "days": "{day, plural, =0 {Tage} =1 {Tag} other {Tage}}",
+  "@days": {},
+  "hours": "{hour, plural, =0 {Stunden} =1 {Stunde} other {Stunden}}",
+  "@hours": {},
+  "minutes": "{minute, plural, =0 {Minuten} =1 {Minute} other {Minuten}}",
+  "@minutes": {},
+  "seconds": "{second, plural, =0 {Sekunden} =1 {Sekunde} other {Sekunden}}",
+  "@seconds": {}
+}
diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
@@ -0,0 +1,211 @@
+{
+  "@@locale": "en",
+  "aboutTitle": "About",
+  "@aboutTitle": {},
+  "aboutSlogan": "Next stop: Accessibility",
+  "@aboutSlogan": {},
+  "aboutVersion": "Version",
+  "@aboutVersion": {},
+  "aboutAuthorsLabel": "Authors",
+  "@aboutAuthorsLabel": {},
+  "aboutAuthorsDescription": "{appName} contributors",
+  "@aboutAuthorsDescription": {
+    "placeholders": {
+      "appName": {
+        "type": "String"
+      }
+    }
+  },
+  "aboutPrivacyPolicyLabel": "Privacy Policy",
+  "@aboutPrivacyPolicyLabel": {},
+  "aboutIdeaLabel": "Idea",
+  "@aboutIdeaLabel": {},
+  "aboutIdeaDescription": "Chemnitz University of Technology\nProfessorship Circuit and System Design",
+  "@aboutIdeaDescription": {},
+  "aboutLicenseLabel": "License",
+  "@aboutLicenseLabel": {},
+  "aboutLicensePackageLabel": "Licenses of used packages",
+  "@aboutLicensePackageLabel": {},
+  "aboutSourceCodeLabel": "Source code",
+  "@aboutSourceCodeLabel": {},
+
+  "helpTitle": "Help",
+  "@helpTitle": {},
+  "helpOnboardingLabel": "Watch the introduction again",
+  "@helpOnboardingLabel": {},
+  "helpReportError": "Report an error",
+  "@helpReportError": {},
+
+  "onboardingGreetingTitle": "Hey!",
+  "@onboardingGreetingTitle": {},
+  "onboardingGreetingDescription": "We're glad you're here and want to do your part to improve public transport.",
+  "@onboardingGreetingDescription": {},
+  "onboardingGreetingButton": "Here's how it works",
+  "@onboardingGreetingButton": {},
+
+  "onboardingSurveyTitle": "Take a look",
+  "@onboardingSurveyTitle": {},
+  "onboardingSurveyDescription": "Go to a nearby stop to survey its current state.",
+  "@onboardingSurveyDescription": {},
+  "onboardingSurveyingButton": "I'll do it",
+  "@onboardingSurveyingButton": {},
+
+  "onboardingAnsweringTitle": "Now it's your turn",
+  "@onboardingAnsweringTitle": {},
+  "onboardingAnsweringDescription": "In order to collect data select a marker in the app and answer the displayed questions.",
+  "@onboardingAnsweringDescription": {},
+  "onboardingAnsweringButton": "Okay, got it",
+  "@onboardingAnsweringButton": {},
+
+  "onboardingContributingTitle": "Sharing is caring",
+  "@onboardingContributingTitle": {},
+  "onboardingContributingDescription": "Upload your answers to OpenStreetMap to share them with the whole world.",
+  "@onboardingContributingDescription": {},
+  "onboardingContributingButton": "Here we go",
+  "@onboardingContributingButton": {},
+
+  "privacyPolicyTitle": "Privacy Policy",
+  "@privacyPolicyTitle": {},
+
+  "settingsTitle": "Settings",
+  "@settingsTitle": {},
+  "settingsProfessionalQuestionsLabel": "Display Professional Questions",
+  "@settingsProfessionalQuestionsLabel": {},
+  "settingsProfessionalQuestionsDescription": "For safety reasons only intended for professionals",
+  "@settingsProfessionalQuestionsDescription": {},
+  "settingsThemeLabel": "Color Scheme of the App",
+  "@settingsThemeLabel": {},
+  "settingsThemeDialogTitle": "Select theme",
+  "@settingsThemeDialogTitle": {},
+  "settingsThemeOptionSystem": "System Setting",
+  "@settingsThemeOptionSystem": {},
+  "settingsThemeOptionLight": "Light",
+  "@settingsThemeOptionLight": {},
+  "settingsThemeOptionDark": "Dark",
+  "@settingsThemeOptionDark": {},
+
+  "logoutDialogTitle": "Log out of OSM?",
+  "@logoutDialogTitle": {},
+  "logoutDialogDescription": "If you log out, you can no longer upload changes to OpenStreetMap.",
+  "@logoutDialogDescription": {},
+  "loginHint": "Log in with your OpenStreetMap account to upload your changes.",
+  "@loginHint": {},
+
+  "numberInputPlaceholder": "Enter here...",
+  "@numberInputPlaceholder": {},
+  "numberInputFallbackName": "Value",
+  "@numberInputFallbackName": {
+    "description": "Fallback value for nameString in numberInputValidationErrorMax"
+  },
+  "numberInputValidationError": "Invalid number",
+  "@numberInputValidationError": {},
+  "numberInputValidationErrorMax": "{nameString} must be less than {max}.",
+  "@numberInputValidationErrorMax": {
+    "placeholders": {
+      "nameString": {
+        "type": "String"
+      },
+      "max": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  },
+  "numberInputValidationErrorMin": "{nameString} must be greater than {min}.",
+  "@numberInputValidationErrorMin": {
+    "placeholders": {
+      "nameString": {
+        "type": "String"
+      },
+      "min": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  },
+
+  "stringInputPlaceholder": "Enter here...",
+  "@stringInputPlaceholder": {},
+  "stringInputValidationErrorMin": "Input too short",
+  "@stringInputValidationErrorMin": {},
+
+  "changesetCommentMessage": "Added details to {mapFeaturesString} in stop area {stopsString}.",
+  "@changesetCommentMessage": {
+    "placeholders": {
+      "mapFeaturesString": {
+        "type": "String"
+      },
+      "stopsString": {
+        "type": "String"
+      }
+    }
+  },
+  "changesetCommentConjunctionString": "and",
+  "@changesetCommentConjunctionString": {},
+  "uploadMessageSuccess": "Changes successfully uploaded.",
+  "@uploadMessageSuccess": {},
+  "uploadMessageServerConnectionError": "Error: No connection to the OSM server.",
+  "@uploadMessageServerConnectionError": {},
+  "uploadMessageUnknownConnectionError": "Unknown error during transmission.",
+  "@uploadMessageUnknownConnectionError": {},
+  "questionnaireSummaryMessage": "Thank you {userName} for your answers.\nPlease verify them before uploading.",
+  "@questionnaireSummaryMessage": {
+    "placeholders": {
+      "userName": {
+        "type": "String"
+      }
+    }
+  },
+  "back": "Back",
+  "@back": {},
+  "next": "Next",
+  "@next": {},
+  "cancel": "Cancel",
+  "@cancel": {},
+  "confirm": "Confirm",
+  "@confirm": {},
+  "finish": "Finish",
+  "@finish": {},
+  "login": "Log in",
+  "@login": {},
+  "logout": "Log out",
+  "@logout": {},
+  "skip": "Skip",
+  "@skip": {},
+  "days": "{day, plural, =0 {Days} =1 {Day} other {Days}}",
+  "@days": {
+    "placeholders": {
+      "day": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  },
+  "hours": "{hour, plural, =0 {Hours} =1 {Hour} other {Hours}}",
+  "@hours": {
+    "placeholders": {
+      "hour": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  },
+  "minutes": "{minute, plural, =0 {Minutes} =1 {Minute} other {Minutes}}",
+  "@minutes": {
+    "placeholders": {
+      "minute": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  },
+  "seconds": "{second, plural, =0 {Seconds} =1 {Second} other {Seconds}}",
+  "@seconds": {
+    "placeholders": {
+      "second": {
+        "type": "num",
+        "format": "compact"
+      }
+    }
+  }
+}
diff --git a/lib/main.dart b/lib/main.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import '/commons/themes.dart';
 import '/commons/app_config.dart' as app_config;
@@ -47,10 +47,8 @@ class MyApp extends StatelessWidget {
         return MaterialApp(
           debugShowCheckedModeBanner: false,
           title: app_config.appName,
-          localizationsDelegates: GlobalMaterialLocalizations.delegates,
-          supportedLocales: const [
-            Locale('de','DE')
-          ],
+          localizationsDelegates: AppLocalizations.localizationsDelegates,
+          supportedLocales: AppLocalizations.supportedLocales,
           // used instead of home: because otherwise no pop page transition to the first screen will be applied
           onGenerateRoute: (settings) => hasSeenOnboarding ? Routes.home : Routes.onboarding,
           theme: lightTheme,

diff --git a/pubspec.lock b/pubspec.lock
@@ -496,7 +496,7 @@ packages:
     source: hosted
     version: "4.0.15"
   intl:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: intl
       sha256: "910f85bce16fb5c6f614e117efa303e85a1731bb0081edf3604a2ae6e9a3cc91"
@@ -1191,4 +1191,4 @@ packages:
     version: "3.1.1"
 sdks:
   dart: ">=2.19.0 <3.0.0"
-  flutter: ">=3.7.9"
+  flutter: ">=3.7.11"