private void OnLoginFailed()
{
InvokeOnMainThread(() =>
{
if (FacebookCoreKit.AccessToken.CurrentAccessToken != null)
{
FacebookLoginKit.LoginManager fbLoginManager = new FacebookLoginKit.LoginManager();
fbLoginManager.LogOut();
}
UIAlertView error = new UIAlertView("Error", "An error occured during login", null, "Ok", null);
error.Show();
ViewHelpers.RemoveLoadingOverlay(View);
});
}