async Task ExecuteLoadEntradasCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Entradas.Clear();
var items = await EntradaDataStore.GetEntradasAsync(true);
foreach (var item in items)
{
Entradas.Add(item);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public EntradasViewModel()
{
Title = "Browse";
Entradas = new ObservableCollection <Entrada>();
LoadEntradasCommand = new Command(async() => await ExecuteLoadEntradasCommand());
MessagingCenter.Subscribe <NewItemPage, Entrada>(this, "AddItem", async(obj, item) =>
{
var _item = item as Entrada;
Entradas.Add(_item);
await EntradaDataStore.AddEntradaAsync(_item);
});
}