public async Task Initialize(Category category)
        {
            HttpResult <List <SubType> > subTypes = await gankApiService.GetAvailableTypesAsync(category);

            subTypes.Data.ForEach((type) =>
            {
                SubTypes.Add(type);
                TypedPosts.Add(new TypedPosts(gankApiService, category, type));
            });

            SelectedItem = TypedPosts[0];
        }
 private void HandleSelectedChanged(TypedPosts selectedItem)
 {
     SelectedItem = selectedItem;
 }