public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View view = inflater.Inflate(Resource.Layout.favorites_fragment, container, false);
string key = Activity.ApplicationContext.GetString(Resource.String.fav_query_storage_key);
var storage = new FavoritesStorage <FavoriteQuery>(Activity.ApplicationContext, key);
favQueries = storage.GetItems();
adapter = new CustomAdapter(Activity.ApplicationContext);
adapter.ItemClicked += (s, item) =>
{
var query = favQueries.Single(x => x.Id == item.Id);
ItemClicked?.Invoke(this, query.Query);
};
adapter.ItemRemoved += (s, item) =>
{
if (adapter.ItemCount == 0)
{
recyclerView.Visibility = ViewStates.Gone;
emptyTextView.Visibility = ViewStates.Visible;
}
storage.RemoveItem(favQueries.Single(x => x.Id == item.Id));
};
foreach (var query in favQueries)
{
adapter.Items.Add(new CustomItem()
{
Id = query.Id, Name = query.Name, Description = query.Query
});
}
emptyTextView = view.FindViewById <TextView>(Resource.Id.fav_list_empty);
recyclerView = view.FindViewById <RecyclerView>(Resource.Id.recycler_view);
recyclerView.SetLayoutManager(new LinearLayoutManager(Activity.ApplicationContext));
recyclerView.SetAdapter(adapter);
recyclerView.AddItemDecoration(new ItemDecoration(Activity.ApplicationContext));
recyclerView.HasFixedSize = true;
// swipe to remove
var mItemTouchHelper = new ItemTouchHelper(
new ItemTouchCallback(0, ItemTouchHelper.Left, Activity.ApplicationContext, adapter));
mItemTouchHelper.AttachToRecyclerView(recyclerView);
if (adapter.ItemCount == 0)
{
recyclerView.Visibility = ViewStates.Gone;
emptyTextView.Visibility = ViewStates.Visible;
}
else
{
recyclerView.Visibility = ViewStates.Visible;
emptyTextView.Visibility = ViewStates.Gone;
}
return(view);
}
