title: Android, How to add ScrollView into screen which has some list items?
body: <p>in my activity, i have three lists. after running the application, the screen is not scroll-able. i can scroll the list which is on top of others but i can't scroll the whole of page. I tried to add <code>ScrollView</code> into my xml layout but lint says that "The vertically scrolling ScrollView should not contain another vertically scrolling widget (ListView)".</p>
  
  <p>How to make my screen scrollable?</p>