Android EXIF data always 0, how to change it?

Question

I have an app that captures photos using the native Camera and then uploads them to a server. My problem is that all the photos have an EXIF orientation value of 0,

Answer 1

Turns out my code was able to set the EXIF data, but there is a discrepancy between how Android interprets this data and how iOS and Chrome on a Mac (where I was checking the resulting file) interprets it.

This is the only code needed to set EXIF orientation:

ExifInterface exif = new ExifInterface(pictureFile.toString());
exif.setAttribute(ExifInterface.TAG_ORIENTATION, "3");
exif.saveAttributes();

However, setting 3 shows up as 0 on iOS and the image is sideways in Chrome.

setting 6 shows up as 3 on iOS and the image looks right in Chrome.