Api.dart

import 'dart:async' ;
import 'package:shared_preferences/shared_preferences.dart';
import 'package:flutter/foundation.dart';
import 'package:http/http.dart' as http;

class Api 
{
  SharedPreferences prefs ;
  String locale = "en" ;
  Api() { this.init(); }

  init() async {
    prefs = await SharedPreferences.getInstance() ; 
    this.locale = prefs.getString("locale") ?? "en"; 
  }

  Future get(url, {Map<String, String> headers} ) async {
  
    var uri = Uri.parse(url);
    url+= uri.queryParametersAll.length == 0 ? "?locale=${this.locale.toString()}" : "&locale=${this.locale.toString()}";
    debugPrint("lisyncLogs ${url}");
    try {
      return await http.get(url , headers: headers) ;
    } catch(exception) {
       var completer = new Completer();
      completer.completeError('ERROR');
      return completer.future;
    }
  } 

}