private async void OnItemLongClick(object sender, string gameName)
{
await presenter.DeleteGame(groupName, gameName);
recAdapter.ItemList = (await MainActivity.Database.GetGamesAsync(groupName))
.Select(a => a.Name)
.ToList();;
recAdapter.NotifyDataSetChanged();
}
public void OnGroupsLoaded(List <string> groups)
{
recAdapter.ItemList = groups;
recAdapter.NotifyDataSetChanged();
}