private static ContentPage CreateImagePage(ItemImageButton ImageInfo)
{
App.Config.LastActivity = DateTime.Now;
Label label_1 = new Label
{
Text = ImageInfo.Name,
FontSize = 24,
TextColor = App.Config.TextColor,
BackgroundColor = Color.Transparent,
HorizontalTextAlignment = TextAlignment.Start,
VerticalTextAlignment = TextAlignment.Start
};
CachedImage img = new CachedImage()
{
DownsampleToViewSize = false,
CacheDuration = TimeSpan.FromMilliseconds(1000),
Aspect = Aspect.AspectFit,
RetryCount = 999,
RetryDelay = 1000,
BitmapOptimizations = true,
Source = ImageInfo.URL,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
};
Label label_2 = new Label
{
Text = "Close",
FontSize = 50,
TextColor = App.Config.TextColor,
BackgroundColor = Color.Transparent,
HorizontalTextAlignment = TextAlignment.End,
VerticalTextAlignment = TextAlignment.End
};
Button button = new Button
{
BackgroundColor = Color.Transparent,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
};
button.Clicked += (sender, e) => {
Application.Current.MainPage = PreviousPage;
};
return(new ContentPage
{
Content = new Grid
{
Children = { img, label_1, label_2, button },
BackgroundColor = App.Config.CellColor,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
}
});
}
private static void OnImageButtonClicked(object sender, EventArgs e)
{
ItemImageButton button = sender as ItemImageButton;
Device.BeginInvokeOnMainThread(() => CrossLogger.Current.Info("Image", "Button ID: '" + button.Id.ToString() + ", Image ID: " + button.URL + ", Name: " + button.Name));
PreviousPage = Application.Current.MainPage;
Application.Current.MainPage = CreateImagePage(button);
}
/// <summary>
/// Create Image Widget
/// </summary>
/// <returns>nothing</returns>
public static void Image(Grid grid, int px, int py, int sx, int sy, string header, string straspect, JObject data)
{
Microsoft.AppCenter.Analytics.Analytics.TrackEvent("Create Image Widget");
CrossLogger.Current.Debug("Image", "Creating Image Widget");
try
{
Models.Image item = data.ToObject <Models.Image>();
CrossLogger.Current.Debug("Image", "URL: " + item.Url);
//Aspect ratio
Aspect aspect = Aspect.AspectFit;
switch (straspect.ToLower())
{
case "fill":
aspect = Aspect.Fill;
break;
case "aspectfill":
aspect = Aspect.AspectFill;
break;
case "aspectfit":
aspect = Aspect.AspectFit;
break;
}
var img = new CachedImage()
{
DownsampleToViewSize = false,
CacheDuration = TimeSpan.FromMilliseconds(1000),
Aspect = aspect,
RetryCount = 999,
RetryDelay = 2000,
BitmapOptimizations = true,
Source = item.Url
};
grid.Children.Add(img, px, px + sx, py, py + sy);
Label l_header = new Label
{
Text = header,
FontSize = 20,
TextColor = App.Config.TextColor,
BackgroundColor = Color.Transparent,
HorizontalOptions = LayoutOptions.Start,
VerticalOptions = LayoutOptions.Start
};
grid.Children.Add(l_header, px, px + sx, py, py + sy);
//Button must be last to be added to work
ItemImageButton ImageButton = new ItemImageButton
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Transparent,
Name = header,
URL = item.Url,
};
grid.Children.Add(ImageButton, px, px + sx, py, py + sy);
ImageButton.Clicked += OnImageButtonClicked;
// Start the refresh time
if (item.Refresh != string.Empty)
{
int refresh = Convert.ToInt32(item.Refresh);
if (refresh > 0)
{
Device.StartTimer(TimeSpan.FromMilliseconds(refresh), () =>
{
Device.BeginInvokeOnMainThread(() => CrossLogger.Current.Debug("Image", "Refresh Image: " + item.Url));
try
{
//If not clearing the cache, image does not refresh
ImageService.Instance.InvalidateCacheAsync(CacheType.All);
img.ReloadImage();
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() => CrossLogger.Current.Error("Image", "Failed to refresh Image: " + ex.ToString()));
}
return(true);
});
}
}
}
catch (Exception ex)
{
CrossLogger.Current.Error("Image", "Image crashed: " + ex.ToString());
Error(grid, px, py, sx, sy, ex.ToString());
}
}
