public MockTodoViewModel() : base(Locator.Current.GetService <IScreen>(), new JsonPlaceholderService()) { todoItems.Add(new List <string>() { "AAA", "BBB", "cccc", "ddd", "eeeeeeeeeeeeeeeee", "f", "ggggg", "HHHHHHhhhHHHHHHH", "iii", "lllll", "jansdasnoemfs,dmf", }); }