public override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
ServiceLocator.Instance.Register <MockDataStore, MockDataStore>();
ViewModel = new ItemsViewModel();
loadItems = ViewModel.ExecuteLoadItemsCommand();
MessagingCenter.Subscribe <AddItemActivity, Item>(this, "AddItem", async(obj, item) =>
{
var _item = item as Item;
await ViewModel.AddItem(_item);
});
}
async void Save_Clicked(object sender, EventArgs e)
{
Button button = (Button)sender;
button.IsEnabled = false;
try
{
var IsValid = ValidateItem();
if (IsValid && !IsFromUpdate)
{
var addItemRequest = await SaveNewItemDetails();
if (addItemRequest != null)
{
var res = await itemsViewModel.AddItem(addItemRequest);
if (res != null)
{
if (res.Code == 0)
{
InvoceCallback();
DisplayAlert("Message", "Item added successfully!", null, "OK");
await Navigation.PopModalAsync();
}
else
{
await DisplayAlert("Message", "Adding Item Failed. Please try again", null, "OK");
}
}
else
{
await DisplayAlert("Message", "Adding Item Failed. Please try again", null, "OK");
}
}
}
else if (IsValid && IsFromUpdate)
{
var updateItemRequest = await SaveEditItemDetails();
if (updateItemRequest != null)
{
var res = await itemsViewModel.UpdateItem(updateItemRequest);
if (res != null)
{
if (res.Code == 0)
{
InvoceCallback();
DisplayAlert("Message", "Item updated successfully!", null, "OK");
await Navigation.PopModalAsync();
}
else
{
await DisplayAlert("Message", "Updating Item Failed. Please try again", null, "OK");
}
}
else
{
await DisplayAlert("Message", "Updating Item Failed. Please try again", null, "OK");
}
}
}
}
catch (Exception ex)
{
}
finally
{
button.IsEnabled = true;
}
}