Reads the exif tags from an InputStream, clearing this ExifInterface object's existing exif tags.
ExifInterface exif = new ExifInterface();
exif.readExif( stream, Options.OPTION_IFD_0 | Options.OPTION_IFD_1 | Options.OPTION_IFD_EXIF );
...
// to request all the options use the OPTION_ALL bit mask
exif.readExif( stream, Options.OPTION_ALL );