Crash while viewing (and downloading) media (in the background)

[rugk]

⚠️ Before posting ⚠️

• This is a bug, not a question or an enhancement.
• I've searched for similar issues and didn't find a duplicate.
• I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
• I agree to follow Nextcloud's Code of Conduct.

Steps to reproduce

Dunno, I just swiped some screen.

Expected behaviour

Not crash

Actual behaviour

Crashed and the report dialog let me here

Android version

14

Device brand and model

Fairphone 4 (FP4)

Stock or custom OS?

Custom (explain in "additional information")

Nextcloud android app version

3.28.0

Nextcloud server version

dunno

Using a reverse proxy?

Yes

Android logs

Cause of error

Exception in thread "main" java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
    at androidx.fragment.app.FragmentManager.checkStateLoss(FragmentManager.java:1632)
    at androidx.fragment.app.FragmentManager.enqueueAction(FragmentManager.java:1672)
    at androidx.fragment.app.BackStackRecord.commitInternal(BackStackRecord.java:341)
    at androidx.fragment.app.BackStackRecord.commit(BackStackRecord.java:306)
    at androidx.fragment.app.DialogFragment.show(DialogFragment.java:524)
    at com.owncloud.android.ui.activity.FileActivity.showLoadingDialog(FileActivity.java:556)
    at com.owncloud.android.ui.helpers.FileOperationsHelper.lambda$syncFile$1(FileOperationsHelper.java:254)
    at com.owncloud.android.ui.helpers.FileOperationsHelper.$r8$lambda$4uYT9xe-AzaengRJid_wcYy-yTI(Unknown Source:0)
    at com.owncloud.android.ui.helpers.FileOperationsHelper$$ExternalSyntheticLambda4.run(Unknown Source:2)
    at android.os.Handler.handleCallback(Handler.java:958)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loopOnce(Looper.java:205)
    at android.os.Looper.loop(Looper.java:294)
    at android.app.ActivityThread.main(ActivityThread.java:8248)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:971)

App information

• ID: com.nextcloud.client
• Version: 30280090
• Build flavor: generic

Device information

• Brand: Fairphone
• Device: FP4
• Model: FP4
• Id: UQ1A.240205.004
• Product: FP4eea

Firmware

• SDK: 34
• Release: 14
• Incremental: 24504010

Server error logs

No response

Additional information

OS: Android 14, CalyxOS 5.4.1
source: F-Droid
Build-ID: UQ1A.240205.004.24504010

[rugk]

After the issue started, I restarted nextcloud and opened an image. In the background the download may still be triggered.

After some crashes and restarts, it starts in the main folder and maybe also stopped the download?

[alperozturk96]

@rugk Could you try with this PR?

[rugk]

It's hard to reproduce so well, but thanks for fixing!