I have been trying to use ExifInterface and am either doing something very 
wrong or my subject line is correct.

If I run the following code

                ExifInterface hoohaa;
                hoohaa = new ExifInterface(filename);
                hoohaa.saveAttributes();

on a photograph taken by the standard android Camera application, a whole bunch of exif fields previously defined have disappeared (as evidenced by inspection with Exiftool (Phil Harvey) and other such programs). I find this very peculiar.

On a much less important issue, if a photograph with a JPEG comment (NOT an 
exif UserComment) is the object of

                ExifInterface hoohaa;
                hoohaa = new ExifInterface(filename);
                String haahoo=hoohaa.getAttribute("UserComment");

the JPEG comment will be returned as if it were an exif UserComment. I find this friendly in a way, but unwarranted and undocumented...

Have I got this all wrong?

Bernard Higonnet

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