public FacebookLoginView()
        {
            InitializeComponent();

            var msg = new CurrentPageMessage()
            {
                CurrentPage = this
            };

            Messenger.Default.Send <CurrentPageMessage>(msg);
        }
        private void SetContent(CurrentPageMessage message)
        {
            var apiRequest =
                "https://www.facebook.com/v3.0/dialog/oauth?client_id="
                + ClientId
                + "&display=popup&response_type=token&redirect_uri=https://www.facebook.com/connect/login_success.html";

            var webView = new WebView
            {
                Source        = apiRequest,
                HeightRequest = 1
            };

            webView.Navigated += WebViewOnNavigated;

            message.CurrentPage.Content = webView;
        }