@Override
    public void cachesAround() {
        final TargetInfo targetInfo = getTargetInfo();
        if (targetInfo == null || targetInfo.coords == null) {
            showToast(res.getString(R.string.err_location_unknown));
            return;
        }
        CacheListActivity.startActivityCoordinates((AbstractActivity) getActivity(), targetInfo.coords, cache != null ? cache.getName() : null);
    }
Set the current popup coordinates as new navigation target on map
main/src/main/java/cgeo/geocaching/AbstractDialogFragment.java