public MapViewPage()
        {
            Padding    = new Thickness(0);
            _customWeb = new CustomWebView
            {
                HorizontalOptions = LayoutOptions.FillAndExpand,
                VerticalOptions   = LayoutOptions.FillAndExpand
            };

            if (Device.RuntimePlatform == Device.Android)
            {
                _customWeb.On <Android>().EnableZoomControls(true);
            }

            BackgroundColor = Color.Transparent;

            titleLabel = new Label
            {
                Text                  = "",
                FontSize              = GlobalVars.sizeLarge,
                FontAttributes        = FontAttributes.Bold,
                TextColor             = GlobalVars.ThemeColorsText[(int)GlobalVars.ThemeColors.Primary],
                HorizontalOptions     = LayoutOptions.FillAndExpand,
                VerticalTextAlignment = TextAlignment.Center
            };

            var titleBar = new StackLayout
            {
                Orientation = StackOrientation.Horizontal,
                Children    =
                {
                    new CloseEventPageToolbarItem(),
                    titleLabel
                },
                BackgroundColor = GlobalVars.ThemeColorsBG[(int)GlobalVars.ThemeColors.Primary],
            };

            if (Device.RuntimePlatform == Device.iOS)
            {
                var leftBar = new BoxView
                {
                };

                var innerHolder = new RelativeLayout
                {
                    BackgroundColor = Color.White
                };

                innerHolder.Children.Add(_customWeb, Constraint.RelativeToParent((parent) => {
                    return(0);
                }), Constraint.RelativeToParent((parent) => {
                    return(0);
                }), Constraint.RelativeToParent((parent) => {
                    return(parent.Width);
                }), Constraint.RelativeToParent((parent) => {
                    return(parent.Height);
                }));

                innerHolder.Children.Add(leftBar, Constraint.RelativeToParent((parent) => {
                    return(0);
                }), Constraint.RelativeToParent((parent) => {
                    return(0);
                }), Constraint.RelativeToParent((parent) => {
                    return(parent.Width * .02);
                }), Constraint.RelativeToParent((parent) => {
                    return(parent.Height);
                }));

                var holder = new StackLayout
                {
                    Children =
                    {
                        titleBar,
                        innerHolder
                    },
                    Spacing = 0
                };

                var rightSwipeGesture = new SwipeGestureRecognizer {
                    Direction = SwipeDirection.Right, Threshold = 10000
                };

                rightSwipeGesture.Swiped += OnSwiped;

                leftBar.GestureRecognizers.Add(rightSwipeGesture);

                Content = holder;
            }
            else
            {
                Content = new StackLayout
                {
                    Children =
                    {
                        titleBar,
                        _customWeb
                    },
                    Spacing         = 0,
                    VerticalOptions = LayoutOptions.FillAndExpand
                };
            }
        }
        public MapViewPage()
        {
            Padding   = new Thickness(0, 20, 0, 0);
            customWeb = new CustomWebView
            {
                HorizontalOptions = LayoutOptions.FillAndExpand,
                VerticalOptions   = LayoutOptions.FillAndExpand
            };

            Content = new StackLayout
            {
                Children =
                {
                    customWeb
                }
            };


            //var browser = new BaseUrlWebView();

            //var htmlSource = new HtmlWebViewSource();

            //// do not set the BaseUrl on iOS because of the bug
            //if (Device.OS != TargetPlatform.iOS)
            //{
            //    // the BaseUrlWebViewRenderer does this for iOS, until bug is fixed
            //    htmlSource.BaseUrl = DependencyService.Get<IBaseURL>().Get();
            //}
            //Image boundImage = new Image { Aspect = Aspect.AspectFit };
            //boundImage.SetBinding(Image.SourceProperty, "dataImage");

            //Content = new Grid
            //{
            //    Padding = new Thickness(20),
            //    Children =
            //    {
            //        new PinchToZoomContainer
            //        {
            //          Content = boundImage
            //        }
            //    }
            //};

            //PROBLEM IS HERE
            //var data = ((DetailChoice)this.BindingContext).data;

            //if (data.ToLower().EndsWith(".html") || data.ToLower().EndsWith(".htm"))
            //{
            //    Content = new Grid
            //    {
            //        Padding = new Thickness(20),
            //        Children =
            //        {
            //            new PinchToZoomContainer
            //            {
            //              Content = new Image()
            //            }
            //        }
            //    };
            //}

            //Otherwise we pull in the image and encode to base64 and plunk it into the webview. stupid i know.
            //else
            //{

            //var data = "conventioncenter1.png";


            //var htmlSource = new HtmlWebViewSource();

            //var extension = Path.GetExtension(data).ToLower().Replace(".", "");
            //if (extension == "jpg")
            //{
            //    extension = "jpeg";
            //}

            //var assembly = typeof(GlobalVars).GetTypeInfo().Assembly;
            //Stream stream = assembly.GetManifestResourceStream("ConventionMobile.Resources." + data);

            //if (extension == "html" || extension == "htm")
            //{
            //    string text = "";
            //    using (var reader = new StreamReader(stream))
            //    {
            //        text = reader.ReadToEnd();
            //    }

            //    htmlSource.Html = text;
            //}
            //else
            //{
            //    byte[] byteData = getByteData(stream);
            //    String encodedImageData = Convert.ToBase64String(byteData);

            //    string fart = String.Format("<html><head></head><body><img src=\"data:image/{0};base64,{1}\" /></body></html>", extension, encodedImageData);

            //    htmlSource.Html = fart;
            //}



            //htmlSource.Html = "fart";

            //htmlSource.SetBinding(HtmlWebViewSource.HtmlProperty, "formattedHTMLEmbeddedImageData");

            //}



            ////works but doesn't work
            //var htmlSource = new HtmlWebViewSource();
            //var browser = new WebView { Source = htmlSource };

            //Content = browser;


            //htmlSource.SetBinding(HtmlWebViewSource.HtmlProperty, "formattedHTMLEmbeddedImageData");
        }