Language

First, please check file ./lib/configs/language.dark and define your list language support

import 'package:flutter/material.dart';  
class AppLanguage {  
    ///Default Language  
    static Locale defaultLanguage = Locale("en");  

    ///List Language support in Application  
    static List<locale> supportLanguage = [  
        Locale("en"),  
        Locale("vi"),  
        Locale("ar"),  
        Locale("zh"),  
        Locale("ko"),  
        Locale("ja")  
    ];  

    ///Singleton factory  
    static final AppLanguage _instance = AppLanguage._internal();  

    factory AppLanguage() {  
        return _instance;  
    }  

    AppLanguage._internal();  
}

Then define your json lanuage in folder following your list language ./assets/locale/..

Listar Flux – Mobile Change Language
Listar Flux – Change Language Code