private void setAsTarget() {
        final TargetUpdateReceiver activity = (TargetUpdateReceiver) requireActivity();
        activity.onReceiveTargetUpdate(getTargetInfo());
        ((AbstractNavigationBarMapActivity) requireActivity()).sheetRemoveFragment();
    }
Set the current popup coordinates as new navigation target on map
main/src/main/java/cgeo/geocaching/AbstractDialogFragment.java