title: ipad: predictive search in a popover
body: <p>I want to implement this</p>
  
  <p>1) when user start typing in a textfield a popOver flashes and shows the list of items in a table view in the popover as per the string entered in textfield.</p>
  
  <p>2) Moreover this data should be refreshed with every new letter entered.</p>
  
  <p>kind of predictive search.</p>
  
  <p>Please help me with this and suggest possible ways to implement this. </p>