Metadata metadata = JpegMetadataReader.readMetadata(new ByteArrayInputStream(data));

for (Directory directory : metadata.getDirectories()) {
    for (Tag tag : directory.getTags()) {
        String s = String.format("[%s] - %s = %s",
                directory.getName(), tag.getTagName(), tag.getDescription());

        Log.d(TAG, "onPictureTaken: " + s);
    }
    if (directory.hasErrors()) {
        for (String error : directory.getErrors()) {
            System.err.format("ERROR: %s", error);
        }
    }
}