private async Task InitializeAppAsync()
{
var app = (App)Application.Current;
await app.CouponService.InitializeAsync();
var viewModel = new CouponsPageViewModel(app.CouponService);
var couponPage = new CouponListPage(viewModel);
app.MainPage = new NavigationPage(couponPage);
}
public CouponListPage(CouponsPageViewModel viewModel)
{
InitializeComponent();
this.BindingContext = this.viewModel = viewModel;
}
