public override void ViewDidAppear(bool animated)
{
base.ViewDidAppear(animated);
if (done)
{
return;
}
var auth = new OAuth2Authenticator(
clientId: Settings.FacebookID, // your OAuth2 client id
scope: "public_profile+email", // the scopes for the particular API you're accessing, delimited by "+" symbols
authorizeUrl: new Uri(Settings.FacebookAuthorizeUrl),
redirectUrl: new Uri("http://www.facebook.com/connect/login_success.html"));
auth.Completed += async(sender, eventArgs) => {
DismissViewController(true, null);
//App.HideLoginView();
if (eventArgs.IsAuthenticated)
{
var accessToken = eventArgs.Account.Properties["access_token"].ToString();
Settings.Facebook_Token = accessToken;
var expiresIn = Convert.ToDouble(eventArgs.Account.Properties["expires_in"]);
var expiryDate = DateTime.Now + TimeSpan.FromSeconds(expiresIn);
var request = new OAuth2Request("GET", new Uri("https://graph.facebook.com/me"), null, eventArgs.Account);
var response = await request.GetResponseAsync();
var obj = JObject.Parse(response.GetResponseText());
var id = obj["id"].ToString().Replace("\"", "");
var name = obj["name"].ToString().Replace("\"", "");
if (CappriolaConnect.RetrieveAccessTokenFromFacebookLogin())
{
App.HideLoginView();
await App.NavigateToProfile(string.Format("Olá {0}", name));
}
else
{
App.HideLoginView();
}
}
else
{
await App.NavigateToProfile("Usuário Cancelou o login");
}
};
done = true;
PresentViewController(auth.GetUI(), true, null);
}
protected override void OnAppearing()
{
base.OnAppearing();
if (Settings.Access_Token != "" && Settings.Access_Token != null)
{
if (Settings.FacebookID != null && Settings.FacebookID != "")
{
if (CappriolaConnect.RetrieveAccessTokenFromFacebookLogin())
{
GoToApp();
}
}
}
}
