title: How to delete a specific fragment from back stack in android
body: <p>I have a problem about removing a specific fragment from back stack.My scenario is like this.Fragment-1 is replaced with Fragment-2 and then Fragment-2 is replaced with Fragment-3.</p>
  
  <p>Calling order; Fragment-1-->Fragment-2-->Fragment-3.</p>
  
  <p>When Fragment-3 is on the screen and then back button is clicked, i want to go </p>
  
  <p>Fragment-1.That means i want to delete Fragment-2 from back stack.</p>
  
  <p>How to do this ? </p>