title: Back Button pressed
body: <p>I have <code>TabActivity</code> which contains 4 Tabs. Each tab have one <code>FragmentActivity</code> and 2-3 <code>Fragments</code>.</p>
  
  <p>From Fragment, I am going to a <code>Activity</code> which is not the part of <code>Tabs</code>.<br>
  While clicking the Back button from that <code>Activity</code>, I want come back to previous <code>Fragment</code>,
  without destroying that Activity.</p>
  
  <p>I am overriding the <code>public boolean onKeyDown(int keyCode, KeyEvent event)</code> method, but problem is that it displays the previous fragment without Tabs. I want Tabs to be displayed...</p>