title: FragmentManager and SupportFragmentManager both used
body: <p>I did not want to use the 'support' stuff, I am only aiming API level 14 (4.0) and up. So I did not use the <code>SupportFragmentManager</code>. Everything went well, but then I was using the <code>DrawerLayout</code>, which is in the support library.</p>
  
  <p>Then the issue began: to use this, your activity has to be <code>FragmentActivity</code>. You have to use <code>getSupportFragmentManager</code>. So I use that one for the drawer.</p>
  
  <p>But I use <code>getFragmentManager</code> for managing fragment replacement.</p>
  
  <p>I do an <code>addToBackStack()</code> in the replacement, but when I press 'back', the activity closes. 
  When I do the same in an other activity that does not extends <code>FragmentActivity</code>, it works as expected (the fragment is popped).</p>
  
  <p>I now added <code>OnBackPressed()</code> and do a pop there if there is a fragment. Do not like this workaround, but ok.</p>
  
  <p>I was wondering, does anyone else had this situation before and/or has tips?</p>
  
  <p>Edit:<br>
  I completely switched to the support one, but I will keep the question here, because I'm still curious</p>