android google map V2画圆

 1. 项目必须先导入 /extras/google/google_play_services/libproject/google-play-services_lib        自行百度

mMap.addCircle(new CircleOptions()        .center(new LatLng(location.getLatitude(), location.getLongitude()))        .radius(100)        .strokeColor(Color.RED)        .fillColor(Color.BLUE));