title: Is there a way to convert fragment to android.support.v4.app.Fragment
body: <p>my app requires to use both android.support.v4.app.Fragment and default fragment which has support from API 11 onwards, can anyone tell me how to cast the default API 11 Fragment to android.support.v4.app.Fragment?.</p>
  
  <p>Is it possible?, in my app i need to use settingsfragment, this does not support android.support.v4.app.Fragment. Any help</p>
  
  <p>Thanks</p>