Query on map ready

MapFragment.java

@Override
    public void onMapReady(final GoogleMap googleMap) {

        ParseQuery<Photo> photoParseQuery = ParseQuery.getQuery(Photo.class);
        photoParseQuery.setCachePolicy(ParseQuery.CachePolicy.CACHE_ELSE_NETWORK);
        photoParseQuery.findInBackground(new FindCallback<Photo>() {
            @Override
            public void done(List<Photo> photos, ParseException e) {
                if (e == null) {
                    photoList.clear();
                    photoList.addAll(photos);

                    List<MarkerOptions> markerOptionsList = new ArrayList<MarkerOptions>();
                    for (Photo eachPhoto : photos) {
                        if (eachPhoto.getLocation() != null) {

                            MarkerOptions markerOptions = new MarkerOptions()
                                    .title(eachPhoto.getName())
                                    .position(new LatLng(eachPhoto.getLocation().getLatitude(),
                                            eachPhoto.getLocation().getLongitude()
                                    ));
                            markerOptionsList.add(markerOptions);
                            googleMap.addMarker(markerOptions);

                        }
                    }

                    //Calculate the markers to get their position
                    LatLngBounds.Builder builder = new LatLngBounds.Builder();
                    for (MarkerOptions marker : markerOptionsList) {
                        builder.include(marker.getPosition());
                    }
                    LatLngBounds bounds = builder.build();
                    // Change the padding as per needed
                    CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngBounds(bounds, 0);
                    googleMap.moveCamera(cameraUpdate);
                }
            }
        });
    }