protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
Shell.Current.RegisterNewCommand("Image with placeholder", (sender, args) =>
{
AddImage(false, true);
});
Shell.Current.RegisterNewCommand("Image with placeholder (invalid link or offline)", (sender, args) =>
{
AddImage(true, true);
});
Shell.Current.RegisterNewCommand("Image without placeholder", (sender, args) =>
{
AddImage(false, false);
});
Shell.Current.RegisterNewCommand("Clear image cache", async(sender, args) =>
{
Container.Children.Clear();
GC.Collect(); // Force GC to free file locks
await ImageCache.ClearAsync();
});
await LoadDataAsync();
AddImage(false, true);
}
private async void ClearImageCache(object sender, RoutedEventArgs e)
{
BtnClearImageCache.IsEnabled = false;
await ImageCache.ClearAsync();
BtnClearImageCache.IsEnabled = true;
}