currently i am trying to add custom exif tag/data to an image file that is in photo album.
I am able to modify the existing tags defined in ExifInterface
class
However, i want to store custom data, such as user id of my app user, but it seems there is no way i can create a custom exif attribute
the closest solution I found is here, but does not work,
Try saving the Exif data with the tag:
"UserComment"
Code:
String mString = "Your message here";
ExifInterface exif = new ExifInterface(path_of_your_jpeg_file);
exif.setAttribute("UserComment", mString);
exif.saveAttributes();
You can put anything you want in there (as String) and simply parse the string. I wish we could create and name our own exif tags, but the reality is that we can't. So this is the best solution I came up with.
Save the Exif data with the tag "ImageDescription"
https://developer.android.com/reference/android/media/ExifInterface.html
Code
try {
String imageDescription = "Your image description";
ExifInterface exif = new ExifInterface(file_name_of_jpeg);
exif.setAttribute("ImageDescription", imageDescription);
exif.saveAttributes();
} catch (IOException e) {
// handle the error
}
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