title: Android Google Maps tiles not loading on "back" button click
body: <p>I have an android application that uses Google Maps. My first activity starts a mapview with some clickable icons. When an icon is clicked, a new activity (intent) is started with a different map. From the new map I then click the back button which takes me back to my first map. However, when I start zooming or moving around in the map, only the tiles that originally loaded will show up. How can I change this?</p>
  
  <p>If you change the phone orientation the map will refresh and then it behaves normally (becuase the app restarted) so I added  android:configChanges="orientation" to stop the restarting on orientation change. I added that because I don't want to reload all the markers again (uses a web service and can take some time). </p>
  
  <p>I just want the tiles to load when I click "back" to the original map. Any ideas?</p>