// Toggle items as completed when tapped
		private void OnTap (ListItem task)
		{
			AppDelegate.AddActivity();

			task.Completed = !task.Completed;

			this.db.UpdateAsync (task).ContinueWith (t => {
				Refresh();
				AppDelegate.FinishActivity();
			});
		}
		// Create an item an add it to the list
		private void CreateItem (string text)
		{
			ListItem listItem = new ListItem {
				Text = text,
				ListId = this.list.Id
			};

			AppDelegate.AddActivity();

			this.db.InsertAsync (listItem).ContinueWith (t => {
				AppDelegate.FinishActivity();
				Refresh();
			});
		}