home.dart

class MyHomeState extends State<MyHomePage> {
  Locale currentLang;
  int clicked = 0;

  @override
  void initState() {
    super.initState();
    new Future.delayed(Duration.zero, () async {
      await FlutterI18n.refresh(context, new Locale('fr'));
      setState(() {
        currentLang = FlutterI18n.currentLocale(context);
      });
    });
  }

  changeLanguage() {
    setState(() {
      currentLang = currentLang.languageCode == 'fr'
          ? new Locale('en')
          : new Locale('es');
    });
  }

  language(String lang) {
    setState(() {
      new Future.delayed(Duration.zero, () async {
        await FlutterI18n.refresh(context, new Locale(lang));
        setState(() {
          currentLang = FlutterI18n.currentLocale(context);
        });
      });
    });
  }
}