title: Contacts like ListView
body: <p>I tried to develop an like contacts ListView for my own listview, for do that I develop an activity with an ListView which use an my owm Adapter.</p>
  
  <p>This adapter extends BaseAdapter and implements SectionIndexer, and I have got this result:</p>
  
  <p><img src="https://i.stack.imgur.com/GA7Mt.png" alt="My result"></p>
  
  <p>But I would like have a result like this (this screenshot was captured on a Samsung Galaxy S):</p>
  
  <p><img src="https://i.stack.imgur.com/eSUz2.png" alt="Samsung Galaxy S"></p>
  
  <p>Someone could give me the right way?</p>
  
  <p>Thanks in advance.</p>