How To Set Custom Zoom In Zoom Out Buttons On Map V2 In Android

I want to set own zoom in and zoom out buttons on google map v2 .I saw many examples but i did not get any satisfied answer . If you know please help me . Thanks in advance

Solution 1:

Please check it it will work on custom button.

 case R.id.zoomButton:
         mMap.animateCamera(CameraUpdateFactory.zoomIn());
         break; 
 case R.id.unzoomButton:
         mMap.animateCamera(CameraUpdateFactory.zoomOut());
         break;