[BUG] Some images previews are visible on web interface and not on Android app

[Anycubic]

Actual behaviour

Installed and uninstalled the app many times. First time it runs all of the images have their preview (folder with more than 2000 images but it happens regardless of the number of images stored in a folder). After the 2nd time I run owncloud app some previews are not visible anymore. If I actually open one of that images without the preview, the preview will "stick" and will not disappear anymore. Each and every time I close and reopen the app, previews are randomly visible or not visible.

Expected behaviour

All images previews should be always visible in each and every folder, every time I run the app.

Steps to reproduce

1. Instal the app, run it first time, open a folder, previews are all there
2. Re-run the app -> not all of the previews are visible anymore
3. If I open the web interface images previews are all there, so I guess it is an app bug

Can this problem be reproduced with the official owncloud server?
(url: https://demo.owncloud.org, user: test, password: test)
I don't know

Environment data

Android version:
14
Device model:
Xiaomi 12 Pro
Stock or customized system:
Stock
ownCloud app version:
4.3.0
ownCloud server version:
10.14.0.3

Logs

Web server error log

Insert your webserver log here

ownCloud log (data/owncloud.log)

Insert your ownCloud log here

[jesmrec]

previews means thumbnails, right? the little image on the left. On my side, i can not reproduce it, thumbnails are there. That images are generated in the server and retrieved from there, so, there is also some dependency on that side. Will take a look again anyway.

If you can provide logs, or also, a test account in your server (we'd tell you how to give that information in a secure way), it could be helpful for dev team.

[Anycubic]

thumbnails

Yep, I meant thumbnails. The same goes for video, pdf, txt etc etc. I have the same behaviour also on a tablet of mine, total erratic behaviour, sometime thumbnails appear sometime not. On the web interface (I tested also the very beautiful "web app") no problems at all, both on desktop and mobile browser. I could provide for sure a test account if you need it, just let me know, thanks.

[jesmrec]

In case of the Android app, only the thumbnails that server retrieves are shown in the app: images and txt files. PDFs and other formats lack of server generated thumbnails. Don't compare with desktop client because are pretty different scopes and work in a different way. I will provide you a place where you can push the info. Thanks a lot!

[Anycubic]

In case of the Android app, only the thumbnails that server retrieves are shown in the app: images and txt files. PDFs and other formats lack of server generated thumbnails. Don't compare with desktop client because are pretty different scopes and work in a different way. I will provide you a place where you can push the info. Thanks a lot!

Ok, at least I know there is no problem with PDFs and other formats. Nevertheless images thumbnails are not working as intended. Please have a look at attached screenshots.

[jesmrec]

https://infinite.owncloud.com/s/nYSfrsmANDXWKzJ

Pwd: aa55AA..

There, you can upload any file with information about your test server. We strongly appreciate your feedback.

[Anycubic]

https://infinite.owncloud.com/s/nYSfrsmANDXWKzJ

Pwd: aa55AA..

There, you can upload any file with information about your test server. We strongly appreciate your feedback.

Ok. What do you need? Logs with a certain details of logging? I can't seen any error at "error" log level.

[jesmrec]

it's enough with information about a test server. Logs could help as well.

[benedictgoodman]

I have the same issue, and can't see anything in the log. It has persisted across multiple versions of the android app. Is this the same as #3525 ?

[Anycubic]

I have the same issue, and can't see anything in the log. It has persisted across multiple versions of the android app. Is this the same as #3525 ?

@benedictgoodman it is exactly the same. I made some tests, deleted a folder with issues and shared again and the problem disappeared. So I guess that bug is still there. Actually images preview from Android is unusable, I can't believe it is a rare thing, I have the same behaviour on another android tablet as well.

[jesmrec]

I have the same issue, and can't see anything in the log. It has persisted across multiple versions of the android app. Is this the same as #3525 ?

i don't think so. In that issue, problem happens only in grid view, now you reported the problem in list view, right? Checked again, i see all thumbnails in two different servers/devices. We can not control every single server (don't forget, server is who generates the thumbnails, not the mobile device), for that reason we'd need extra info about the problem in logs, or in a test account.

[Anycubic]

I have the same issue, and can't see anything in the log. It has persisted across multiple versions of the android app. Is this the same as #3525 ?

i don't think so. In that issue, problem happens only in grid view, now you reported the problem in list view, right? Checked again, i see all thumbnails in two different servers/devices. We can not control every single server (don't forget, server is who generates the thumbnails, not the mobile device), for that reason we'd need extra info about the problem in logs, or in a test account.

How can I give a temp account detail to you in a private fashion?

[jesmrec]

How can I give a temp account detail to you in a private fashion?

#4443 (comment)

[Anycubic]

How can I give a temp account detail to you in a private fashion?

#4443 (comment)

Did it

[jesmrec]

Thanks @Anycubic but i only see credentials without a server URL to attach them to.