title: append two different ArrayList into one adpter
body: <p><code>listview</code> want to merge two different <code>arraylist</code> into one adapter.
  i try using the position value of the <code>getView()</code> method but it not display correct data to <code>listview</code>first it display data from the one <code>arrayList</code> after it complete second <code>arraylist</code> should be start to display.</p>
  
  <pre><code>ArrayList&lt;A&gt; list1 = new  ArrayList&lt;A&gt;;
  ArrayList&lt;B&gt; list2 = new ArrayList&lt;B&gt;;
  </code></pre>
  
  <p>i want to add this two list into one adapter.first i need to add list1 after list1 is complete data from list2 is display.i tried using position variable of <code>getView()</code> method but it not display correct data to me. </p>
  
  <p>how to achieve this ?</p>