private static async void FinishCreatingAsyncVoid(BackButton backButton, Frame frame, NavigationService service)
{
await Task.CompletedTask;
// TODO: add this feature back in if you can figure out the reason for an err
// await ClearExpiredCacheAsync(service);
service.BackButtonHandling = backButton;
if (backButton == BackButton.Attach)
{
frame.RegisterPropertyChangedCallback(Frame.CanGoBackProperty, (s, args)
=> GestureService.UpdateBackButton(service.CanGoBack));
Central.Messenger.Subscribe <Messages.BackRequestedMessage>(frame, async m =>
{
await service.GoBackAsync();
});
}
if (!Instances.Any())
{
Default = service;
}
Instances.Register(service);
Central.Messenger.Send(new Messages.NavigationServiceCreatedMessage
{
NavigationService = service,
BackButtonHandling = backButton,
IsDefault = Default == service,
Dispatcher = service.GetDispatcher()
});
}