public override void OnCreateOptionsMenu (IMenu menu, MenuInflater inflater)
{
inflater.Inflate (Resource.Menu.ProjectListToolbarMenu, menu);
var item = menu.FindItem (Resource.Id.projectSearch);
var searchView = Android.Runtime.Extensions.JavaCast<SearchView> (item.ActionView);
searchView.SetOnQueryTextListener (this);
toolBar.SetOnMenuItemClickListener (this);
}