@Nullable
    public static Folder newestBackupFolder(final boolean autoback) {
        final ArrayList<ContentStorage.FileInformation> dirs = getExistingBackupFoldersSorted(autoback);
        return dirs == null ? null : dirs.get(dirs.size() - 1).dirLocation;
    }
Private methods containing the real backup process
main/src/main/java/cgeo/geocaching/utils/BackupUtils.java