PDF zoom uniform over multiple pages (mostly on android)

edited 20 days ago
For me this is mostly an issue for the android app, however it also happens on Desktop.

What I would love is an option to keep a specific zoom % and location for all pages of an PDF.

The issue:
When you have a smaller screen that you try to optimize the screen usage (ereader). I zoom in such that the text is fitting from left to right (minus annotation bar). This means you zoom in more than just the fit, because most academic PDF's have big empty margins on the sides.

Currently when zoomed in like this there is no way to go to the next page on android. On Desktop you can go to the next page however the zoom % stays, but the zoom "center" resets to upper left corner.

Additionally some buttons might need to be added to go to the next page when zoomed in. This is something I have not been able to do yet on android. (Desktop has this with alt+up or down).
  • +1 on the fixed/flexible zoom options request for reading on android app

    I understand there's some work being done towards edge tapping for zoomed content, but wouldn't a simpler solution be to just e.g. add a backwards/forwards buttons in the annotation bar?
  • Yes, I would agree. I created the basic functionality for this:
    https://github.com/zotero/zotero-android/issues/290

    However, the argument is that currently the screen tap for page turn is bugged, and that that should be fixed.
    Personally, I would prefer both methods. Additionally the ability to lock the screen (as implemented in the current git issue) would also be highly appreciated, since when I am zoomed in I often accidentally swipe and move my perfectly aligned position.

    @dstillman Would it be a possibility to have an option in the option menu allowing the user to choice to have the "page back" "page forward" and "lock zoom/scroll" in the annotation bar by choice?

    As I said in git, I would be happy to help with this.
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