View source for Dynamic List Activity

 public class TopActivity  extends ListActivity   
 {
      private ArrayAdapter<String> adapter;
      private ArrayList<String> list;
 
      public void onCreate(Bundle savedInstanceState) 
      {
           super.onCreate(savedInstanceState);
 
           this.list = new ArrayList<String>();
           adapter = new ArrayAdapter<String>(this, R.layout.top, this.list);
           setListAdapter(adapter);
 
           //not for sure if I need the below.
           //ListView lv = getListView();
           //lv.setTextFilterEnabled(true);
 
           addItem();
 
      }
 
      public void addItem()
      {
           this.list.add("Two");
           adapter.notifyDataSetChanged();
      }
 }