import 'package:flutter/material.dart';
import 'package:string_manager_flutter/string_manager_flutter.dart';

final StringManager str = StringManager.instance;

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  StringManager(language: 'en'); //factory for the singleton instance
  await str.initialize(); //you must initialize the stringManager first
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) =>
      MaterialApp(
        home: const MyHomePage(),
      );
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({
    Key? key,
  }) : super(key: key);

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              str.reg('You have pushed the button this many times'),
              //str.reg registers the string in stringManger and returns it to be used
            ),
            Text(
              '$_counter',
              style: Theme
                  .of(context)
                  .textTheme
                  .headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: CounterFab(
        onPressed1: _incrementCounter,
        onPressed2: () async {
          await str.translate('yo');
          await str.save();
          setState(() {});
        },
        text2: str.reg('change language'),
        //register "change language" in stringManager
      ),
    );
  }
}