first commit

lib/Screens/language/language.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_feather_icons/flutter_feather_icons.dart';
+import 'package:mobile_pos/generated/l10n.dart' as lang;
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import '../../GlobalComponents/glonal_popup.dart';
+import '../../constant.dart';
+import '../Home/home.dart';
+import 'language_provider.dart';
+
+class SelectLanguage extends StatefulWidget {
+  const SelectLanguage({Key? key, this.alreadySelectedLanguage}) : super(key: key);
+  final String? alreadySelectedLanguage;
+
+  @override
+  State<SelectLanguage> createState() => _SelectLanguageState();
+}
+
+class _SelectLanguageState extends State<SelectLanguage> {
+  Future<void> saveData(String data) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString('lang', data);
+  }
+
+  Future<void> getInit() async {
+    final prefs = await SharedPreferences.getInstance();
+    final savedLanguageCode = prefs.getString('lang') ?? 'en'; // Default to English code
+    setState(() {
+      selectedLanguage = savedLanguageCode;
+    });
+
+    // Update provider with the saved language code
+    context.read<LanguageChangeProvider>().changeLocale(savedLanguageCode);
+  }
+
+  @override
+  void initState() {
+    // TODO: implement initState
+    super.initState();
+    getInit();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    print('-----language length--${languageMap.length}----------------');
+    return GlobalPopup(
+      child: Scaffold(
+        backgroundColor: Colors.white,
+        appBar: AppBar(
+          surfaceTintColor: kWhite,
+          elevation: 0,
+          backgroundColor: Colors.white,
+          leading: GestureDetector(
+            onTap: () {
+              Navigator.pop(context);
+            },
+            child: const Icon(
+              FeatherIcons.x,
+              color: kTitleColor,
+            ),
+          ),
+          centerTitle: true,
+          title: Text(
+            lang.S.of(context).selectLang,
+            style: const TextStyle(color: kTitleColor),
+          ),
+        ),
+        body: SingleChildScrollView(
+          physics: const BouncingScrollPhysics(),
+          child: Column(
+            children: [
+              ListView.builder(
+                padding: const EdgeInsets.only(left: 10.0, right: 10.0, bottom: 10),
+                itemCount: languageMap.length,
+                shrinkWrap: true,
+                physics: const NeverScrollableScrollPhysics(),
+                itemBuilder: (_, index) {
+                  var entry = languageMap.entries.toList()[index];
+                  String languageName = entry.key;
+                  String languageCode = entry.value;
+                  return StatefulBuilder(
+                    builder: (_, i) {
+                      return Padding(
+                        padding: const EdgeInsets.only(bottom: 10.0),
+                        child: ListTile(
+                          onTap: () {
+                            setState(() {
+                              selectedLanguage = languageCode;
+                            });
+                          },
+                          contentPadding: const EdgeInsets.only(left: 10, right: 10.0),
+                          horizontalTitleGap: 10,
+                          title: Text(languageName),
+                          trailing: Icon(
+                            selectedLanguage == languageCode ? Icons.radio_button_checked_outlined : Icons.circle_outlined,
+                            color: selectedLanguage == languageCode ? kMainColor : Colors.grey,
+                          ),
+                        ),
+                      );
+                    },
+                  );
+                },
+              )
+            ],
+          ),
+        ),
+        bottomNavigationBar: Padding(
+          padding: const EdgeInsets.all(10.0),
+          child: ElevatedButton(
+              onPressed: () async {
+                // Update locale in the provider
+                if (selectedLanguage != null) {
+                  // Save the selected language
+                  await saveData(selectedLanguage!);
+
+                  // Update locale in the provider
+                  context.read<LanguageChangeProvider>().changeLocale(selectedLanguage!);
+
+                  // Navigate to Home
+                  Navigator.pushReplacement(
+                    context,
+                    MaterialPageRoute(builder: (context) => const Home()),
+                  );
+                }
+              },
+              child: Text(lang.S.of(context).save)),
+        ),
+      ),
+    );
+  }
+}

lib/Screens/language/language_provider.dart

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+import 'package:flutter/material.dart';
+
+class LanguageChangeProvider with ChangeNotifier {
+  Locale _currentLocale = const Locale("en");
+
+  Locale get currentLocale => _currentLocale;
+
+  void changeLocale(String locale) {
+    _currentLocale = Locale(locale);
+    notifyListeners();
+  }
+}