public CategoriesListViewModel(IProductService service, IAppNavigation navi, IScanner scanner, LogOutCommand logOut)
{
_service = service;
_navi = navi;
_scanner = scanner;
_logOut = logOut;
MessagingCenter.Subscribe<Category>(this, Messages.NavigateTo, NavigateToCategory);
_searchCommand = new Command(Search, () => !string.IsNullOrWhiteSpace(SearchTerm));
ScanCommand = new Command(async () =>
{
var result = await _scanner.Scan();
SearchTerm = result.Text;
Search();
});
AboutCommand = new Command(async () => await _navi.ShowAbout());
Categories = new NotifyTaskCompletion<List<CategoryViewModel>>(GetCategories());
}
public CategoriesListViewModel(IProductService service, IAppNavigation navi, IScanner scanner, LogOutCommand logOut)
{
_service = service;
_navi = navi;
_scanner = scanner;
_logOut = logOut;
MessagingCenter.Subscribe <Category>(this, Messages.NavigateTo, NavigateToCategory);
_searchCommand = new Command(Search, () => !string.IsNullOrWhiteSpace(SearchTerm));
ScanCommand = new Command(async() =>
{
var result = await _scanner.Scan();
SearchTerm = result.Text;
Search();
});
AboutCommand = new Command(async() => await _navi.ShowAbout());
Categories = new NotifyTaskCompletion <List <CategoryViewModel> >(GetCategories());
}
