private void OnMapsMenuItemClicked(object sender, PopupMenu.MenuItemClickEventArgs e)
{
// Get title from the selected item
var selectedMapTitle = e.Item.TitleCondensedFormatted.ToString();
// Get index that is used to get the selected url
var selectedIndex = titles.ToList().IndexOf(selectedMapTitle);
// Create a new Map instance with url of the webmap that selected
_myMapView.Map = new Map(new Uri(itemURLs[selectedIndex]));
}