title: listview setItemChecked doesn't work
body: <p>For some reason setItemChecked doesn't work. can some one help me fix ti ?</p>
  
  <pre><code>String[] str = getResources().getStringArray(R.array.brush_type);
  sizeArrayAdapter = new ArrayAdapter&lt;String&gt;(this.getContext(), R.layout.drawing_list_item, str);
  
  listType = SIZE_LIST;
  listView.setAdapter(sizeArrayAdapter);
  
  // Populate the listView
  listView.setItemChecked(4,true);
  </code></pre>
  
  <p>and this is the list item:</p>
  
  <pre><code>&lt;CheckedTextView
          xmlns:android="http://schemas.android.com/apk/res/android"
          android:id="@+id/drawingCheckedTextView"
          android:layout_width="fill_parent"
          android:layout_height="?android:attr/listPreferredItemHeight"
          android:gravity="center_vertical"
          android:checkMark="?android:attr/listChoiceIndicatorSingle"
          android:background="@drawable/list_panel"
          android:paddingLeft="6dip"
          android:paddingRight="6dip"/&gt;
  </code></pre>
  
  <p>please help me.</p>