async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Images.Clear();
var items = await VIRepo.GetAllImagesAsync();
foreach (var item in items)
{
Images.Add(item);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public ItemsViewModel()
{
Id = "Images";
Images = new ObservableCollection <ViewImage>();
LoadItemsCommand = new Command(async() =>
await ExecuteLoadItemsCommand());
MessagingCenter.Subscribe <ItemDetailPage, ViewImage>
(this, "SaveImage", async(sender, image) => {
Images.Add(image);
await VIRepo.AddImageAsync(image);
await ExecuteLoadItemsCommand();
});
}
