localization selection improvements

lang/pt.json

@@ -1,3 +0,0 @@
-{
-    "tab_service_label": "CULTO"
-}

lib/main.dart

@@ -34,7 +34,6 @@ void main() => runApp(
         theme: appTheme,
         supportedLocales: [
           Locale('en'),
-          Locale('pt'),
         ],
         localizationsDelegates: [
           AppLocalizations.delegate,
@@ -42,13 +41,18 @@ void main() => runApp(
           GlobalWidgetsLocalizations.delegate,
         ],
         localeResolutionCallback: (locale, supportedLocales) {
+          List<Locale> sameLanguageLocales = [];
           for (var supportedLocale in supportedLocales) {
             if (supportedLocale.languageCode == locale.languageCode) {
-              // if (supportedLocale.countryCode == locale.countryCode) {
+              if (supportedLocale.countryCode == locale.countryCode) {
                 return supportedLocale;
-              // }
+              }
+              sameLanguageLocales.add(supportedLocale);
             }
           }
+          if (sameLanguageLocales.isNotEmpty)
+            return sameLanguageLocales.first;
+          else
             return supportedLocales.first;
         },
         routes: <String, WidgetBuilder>{

lib/src/configurations/app_localizations.dart

@@ -15,13 +15,13 @@ class AppLocalizations {
   Map<String, String> _localizedString;
 
   Future<void> load() async {
-    String jsonFileName = 'lang/${locale.languageCode}';
+    String jsonFileName = 'assets/lang/${locale.languageCode}';
     if (locale.countryCode != null) {
       jsonFileName += '_${locale.countryCode}';
     }
     jsonFileName += '.json';
 
-    String mainJsonString = await rootBundle.loadString('lang/en.json');
+    String mainJsonString = await rootBundle.loadString('assets/lang/en.json');
     Map<String, dynamic> jsonMap = json.decode(mainJsonString);
 
     String localizedJsonString = await rootBundle.loadString(jsonFileName);

pubspec.yaml

@@ -63,8 +63,7 @@ flutter:
 
   # To add assets to your application, add an assets section, like this:
   assets:
-    - lang/en.json
+    - assets/lang/en.json
-    - lang/pt.json
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.