title: google maps float pin at center and return location
body: <p>I would like to keep the pin constant in the center of Google maps while the user can move the map and zoom around. Key is that the current GPS location of the pin (in the center still of course) recursively gets returned as value. I found this</p>
  
  <p><a href="https://stackoverflow.com/questions/14152594/google-map-api-v2-how-do-i-keep-a-marker-in-the-center-of-the-screen-while-use">Google Map API V2 - How do I keep a marker in the center of the screen while user is scrolling the map?</a></p>
  
  <p>But I this does not return the current center coordinates. I was looking for a demo implementation with code but can't find anything, would greatly appreciate help.</p>