Sprint 2 // User Story

Mas files

Carlos/custom_router.dart

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+import 'package:flutter/material.dart';
+import 'package:userstory2translate/pages/about_page.dart';
+import 'package:userstory2translate/pages/home_page.dart';
+import 'package:userstory2translate/pages/not_found_page.dart';
+import 'package:userstory2translate/pages/settings_page.dart';
+import 'package:userstory2translate/router/route_constants.dart';
+
+class CustomRouter {
+  static Route<dynamic> generatedRoute(RouteSettings settings) {
+    switch (settings.name) {
+      case homeRoute:
+        return MaterialPageRoute(builder: (_) => HomePage());
+      case aboutRoute:
+        return MaterialPageRoute(builder: (_) => AboutPage());
+      case settingsRoute:
+        return MaterialPageRoute(builder: (_) => SettingsPage());
+      default:
+        return MaterialPageRoute(builder: (_) => NotFoundPage());
+    }
+  }
+}

Carlos/localization.dart

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+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class DemoLocalization {
+  DemoLocalization(this.locale);
+
+  final Locale locale;
+  static DemoLocalization of(BuildContext context) {
+    return Localizations.of<DemoLocalization>(context, DemoLocalization);
+  }
+
+  Map<String, String> _localizedValues;
+
+  Future<void> load() async {
+    String jsonStringValues =
+    await rootBundle.loadString('lib/languages/${locale.languageCode}.json');
+    Map<String, dynamic> mappedJson = json.decode(jsonStringValues);
+    _localizedValues =
+        mappedJson.map((key, value) => MapEntry(key, value.toString()));
+  }
+
+  String translate(String key) {
+    return _localizedValues[key];
+  }
+
+  // static member to have simple access to the delegate from Material App
+  static const LocalizationsDelegate<DemoLocalization> delegate =
+  _DemoLocalizationsDelegate();
+}
+
+class _DemoLocalizationsDelegate
+    extends LocalizationsDelegate<DemoLocalization> {
+  const _DemoLocalizationsDelegate();
+
+  @override
+  bool isSupported(Locale locale) {
+    return ['en', 'es', 'fa', 'hi'].contains(locale.languageCode);
+  }
+
+  @override
+  Future<DemoLocalization> load(Locale locale) async {
+    DemoLocalization localization = new DemoLocalization(locale);
+    await localization.load();
+    return localization;
+  }
+
+  @override
+  bool shouldReload(LocalizationsDelegate<DemoLocalization> old) => false;
+}

Carlos/route_constants.dart

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+const String homeRoute = "home";
+const String aboutRoute = "about";
+const String settingsRoute = "settings";