private static String getAbsolutePath(final File file) {
        if (file == null) return "";
        return file.getAbsolutePath();
    }
Return the path of /storage/emulated/0/Android/obb/package.

@return the path of /storage/emulated/0/Android/obb/package
imitate/src/main/java/com/engineer/imitate/util/PathUtils.java