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mickstar / Zoo-For-Zotero

This is an Android app for viewing Zotero libraries.
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pdf change detection and upload issue with acrobat reader #108

Closed fkgruber closed 3 years ago

fkgruber commented 3 years ago

Hi, I'm running into an issue when I modify the pdf with Acrobat reader. When I go back to zoo it does not detect the changes in the pdf. Forcing reupload sends error.

I tried on a galaxy note 10. Pdf change detection and reupload works fine with other readers like xodo.

Acrobat has the advantage that it has a better pdf reflow feature.

There seems to be a bug here.

mickstar commented 3 years ago

Yes, this is an issue with Acrobat, they write the changes to a copy of the file thats stored in the app's directory. There isn't actually a way for Zoo to detect the changes as the original file doesn't change. You will have to use pdf editors like Xodo.

fkgruber commented 3 years ago

Hi Michael, sorry not getting back to you earlier.

In the latest acrobat the pdf is changed in place as soon as you exit (back key). I tried opening a pdf with ES Explorer with acrobat, adding an annotation and then exiting. then I opened the same file with xodo and the annotation was there. So it is not clear why Zoo is not detecting this change.

thanks FKG