async void ExecuteLoadTrucksCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Trucks.Clear();
var trucks = await TruckStore.GetTrucksAsync(true);
Trucks.ReplaceRange(trucks);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
MessagingCenter.Send(new MessagingCenterAlert
{
Title = "Error",
Message = "Unable to load Trucks.",
Cancel = "OK"
}, "message");
}
IsBusy = false;
}
public TrucksViewModel()
{
Title = "Browse";
Trucks = new ObservableRangeCollection <Truck>();
LoadTrucksCommand = new Command(() => ExecuteLoadTrucksCommand());
DeleteCommand = new Command(() => ExecutedeleteCommand());
MessagingCenter.Subscribe <NewTruckPage, Truck>(this, "AddItem", async(obj, truck) =>
{
var _truck = truck as Truck;
Trucks.Add(_truck);
await TruckStore.AddTruckAsync(_truck);
});
}
async void ExecutedeleteCommand()
{
await TruckStore.DeleteTruckAsync(deleteTruck);
}
