title: android-how to extends FragmentActivity and actionbaractivity
body: <p>I'm using fragments on my activity and also I need actionbar too. 
  for having actionbar on android 2.2+, I need to extend actionbar activity and I need to extends FragmentActivity too. </p>
  
  <p>Java doesn't let us to extend two classes.  </p>
  
  <p>What is the solution?  How can I do so?</p>