private async void Auth_Completed(object sender, AuthenticatorCompletedEventArgs e)
{
if (e.IsAuthenticated)
{
var accessToken = e.Account.Properties["access_token"].ToString();
var expiresIn = Convert.ToDouble(e.Account.Properties["expires_in"]);
var espiryDate = DateTime.Now + TimeSpan.FromSeconds(expiresIn);
var resquest = new OAuth2Request("GET", new Uri("https://graph.facebook.com/me?fields=email,first_name,last_name,gender,picture,birthday,address"), null, e.Account);
var response = await resquest.GetResponseAsync();
var obj = JObject.Parse(response.GetResponseText());
GuidGenerate.E_MAIL = obj["email"].ToString();
var name = obj["first_name"].ToString() + " " + obj["last_name"].ToString();
var picture = obj["picture"]["data"]["url"].ToString();
await AppShell.NavigateToProfile(string.Format("{0}|{1}", name, picture));
}
}
