private async Task RefreshCategoriesAsync()
{
await DialogService.DisplayPopupAsync();
var categoriesList = await FirebaseService.GetCategoriesAsync(20, null);
if (categoriesList == null)
{
categoriesList = new List <CategoryModel>();
}
Categories = new ObservableCollection <CategoryModel>(categoriesList);
await DialogService.PopAsync();
}
private async Task LoadMoreCategoriesAsync()
{
if (!await CanLoadMoreAsync())
{
return;
}
var categoriesList = await FirebaseService.GetCategoriesAsync(10, Categories.Last().ID);
if (categoriesList == null)
{
return;
}
foreach (var category in categoriesList)
{
Categories.Add(category);
}
}