title: How to Add Google Map into fragment onActivityCreated
body: <p>I would like to put an Google Map in a fragment, but please be noted that I want to put it inside the onActivityCreated, and the fragment class just need to extend fragment class only.</p>
  
  <p>And my final layout will be:
  This is a fragment contains a text, map and button.</p>
  
  <p>~~~~~~~~~~~~~~~</p>
  
  <p>Textview.....</p>
  
  <p>Map.....</p>
  
  <p>Button....</p>
  
  <p>~~~~~~~~~~~~~~~</p>
  
  <p>Also, the map need include my current location. </p>
  
  <p>May I know how to do that? with java and xml please :)</p>