protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.MyButton);
button.Click += delegate { button.Text = string.Format("{0} clicks!", count++); };
MyAdapter myAdapter = new MyAdapter(this, 0);
myAdapter.RegisterDataSetObserver(new MyDataSetObserver());
}