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flandrese 's avatar
flandrese
Explorer | Level 3
2 years ago

PDF files aren't scrolling normally

Hello. I have an issue with scrolling PDF files in the mobile app (iOS). Scrolling doesn’t work smooth, so I have to wait for a document page to upload. I've uploaded the video [Removed as per Community Guidelines] with scrolling a small PDF file (<1 MB), scrolling in horizontal orientation is much worse than vertical, although vertical isn't perfect too. Is it possible to fix this bug if this isn't normal scrolling animation and performance?

Mobile
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  • Jay's avatar
    Jay
    Icon for Dropbox Staff rankDropbox Staff
    2 years ago

    Hi @flandrese, thanks for bringing this to our attention.

     

    Could you let us know what version of iOS you're running, and the version of the mobile app?

     

    This will help me to assist further!

    • flandrese 's avatar
      flandrese
      Explorer | Level 3
      2 years ago

      Jay Hello, thanks for the response! Current iOS version is 15.7.1 (iPhone XR) and application — 346.2.2.

    • flandrese 's avatar
      flandrese
      Explorer | Level 3
      2 years ago

      Jay Hello. I use Basic Plan with only one connected device — iPhone. I've deleted, rebooted and reinstalled the Dropbox app, but the problem is still here.

  • Jay's avatar
    Jay
    Icon for Dropbox Staff rankDropbox Staff
    2 years ago

    Could you try marking the file as offline and then try scrolling again?

    • flandrese 's avatar
      flandrese
      Explorer | Level 3
      2 years ago

      Jay Hello again. I've already tried to use the offline file, but the problem with scrolling remains. I think that its cause is the PDF viewer implemented in the DropBox application because the default iOS PDF viewer in Files works correctly and without any delay. I'm looking forward to your answer.

  • Hannah's avatar
    Hannah
    Icon for Dropbox Staff rankDropbox Staff
    2 years ago

    Hey flandrese , thanks for the additional info.

     

    I just tested this on my end, and it worked perfectly for me, even with larger PDFs, with lots of pages.

     

    Can you tap on 'account', then on the gear icon and then on 'clear cache', to see if that helps?

    • flandrese 's avatar
      flandrese
      Explorer | Level 3
      2 years ago

      Hannah I've already cleared the cache before, but the problem still remains. I think that it's really hard to find out why it occurs on my device, maybe it has some performance problems or something like that, so I could close this discussion. 

  • Walter's avatar
    Walter
    Icon for Dropbox Staff rankDropbox Staff
    2 years ago

    Hey flandrese   - sorry to jump in here, but could you try updating your device's OS to the latest version and let us know if the issue persists?

     

    Thanks so much!

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