public void startProximityNotificationSelector(final boolean first) {
        contentStorageHelper.selectPersistableUri(first ? PersistableUri.PROXIMITY_NOTIFICATION_FAR : PersistableUri.PROXIMITY_NOTIFICATION_CLOSE);
    }
This method sets the fragment given by its base key,
and optionally starts scrolling to a preference identified by its key
main/src/main/java/cgeo/geocaching/settings/SettingsActivity.java