async void GetToken()
        {
            string token = "";
            var    user  = PropertiesManager.GetUserInfo();

            if (user != null)
            {
                CheckConnection();
                ShowProgress("Validando");
                var response = await ClientGuanajoven.getToken(user.data.api_token);

                if (ValidateResponse(response))
                {
                    var codigo = JsonConvert.DeserializeObject <CodigoPOJO>(response);
                    token = codigo.data;
                    ShowProgress(IProgressType.LogedIn);
                    await Task.Delay(600);
                }
                HideProgress();
            }
            if (!string.IsNullOrEmpty(token))
            {
                var stream = DependencyService.Get <IBarcodeService>().ConvertImageStream(token);
                _qrImage.Source = ImageSource.FromStream(() => { return(stream); });
            }
        }