Add app localization

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_en.arb

@@ -0,0 +1,3 @@
+{
+  "mainTitle": "Traccar Client"
+}

lib/main.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:traccar_client/main_screen.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
+
+import 'main_screen.dart';
 
 void main() {
   runApp(const MainApp());
@@ -11,6 +13,8 @@ class MainApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return const MaterialApp(
+      localizationsDelegates: AppLocalizations.localizationsDelegates,
+      supportedLocales: AppLocalizations.supportedLocales,
       home: MainScreen(),
     );
   }

lib/main_screen.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 import 'status_screen.dart';
 import 'settings_screen.dart';
@@ -10,7 +11,7 @@ class MainScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: const Text('Main Screen'),
+        title: Text(AppLocalizations.of(context)!.mainTitle),
       ),
       body: SingleChildScrollView(
         padding: const EdgeInsets.all(16.0),

pubspec.lock

@@ -150,6 +150,11 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
+  flutter_localizations:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -160,6 +165,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  intl:
+    dependency: "direct main"
+    description:
+      name: intl
+      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.19.0"
   leak_tracker:
     dependency: transitive
     description:

pubspec.yaml

@@ -9,6 +9,9 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  flutter_localizations:
+    sdk: flutter
+  intl: any
   flutter_background_geolocation: ^4.16.9
   shared_preferences: ^2.5.3
   firebase_core: ^3.13.0
@@ -21,3 +24,4 @@ dev_dependencies:
 
 flutter:
   uses-material-design: true
+  generate: true