kprovider/lib/views/home.dart

import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:provider/provider.dart';

import '../controller/language_change_controller.dart';

class Home extends StatefulWidget {
  static const routeName = 'home';
  const Home({super.key});

  @override
  State<Home> createState() => _HomeState();
}

enum Language { english, malayalam }

class _HomeState extends State<Home> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(AppLocalizations.of(context)!.helloWorld),
        backgroundColor: const Color.fromRGBO(240, 86, 39, 1),
        actions: [
          Consumer<LanguageChangeController>(
              builder: (context, provider, child) {
            return PopupMenuButton(
                onSelected: (Language item) {
                  if (Language.english.name == item.name) {
                    provider.changeLanguage(const Locale('en'));
                  }
                  if (Language.malayalam.name == item.name) {
                    provider.changeLanguage(const Locale('ml'));
                  }
                },
                itemBuilder: (BuildContext context) =>
                    <PopupMenuEntry<Language>>[
                      const PopupMenuItem(
                        value: Language.english,
                        child: Text('English'),
                      ),
                      const PopupMenuItem(
                        value: Language.malayalam,
                        child: Text('Malayalam'),
                      ),
                    ]);
          })
        ],
      ),
      body: Center(
        child: Text(AppLocalizations.of(context)!.helloWorld),
      ),
    );
  }
}