Some file formats downloads as .zip archive

[Mounix99]

Which packages are you using?

stream_chat_flutter, stream_chat_persistance, stream_chat_localizations

On what platforms did you experience the issue?

iOS, Android, Web

What version are you using?

stream_chat_flutter: ^9.7.0
stream_chat_localizations: ^9.7.0
stream_chat_persistence: ^9.7.0

What happened?

It is impossible to download some types of files on android. In my case .xlsx file.

Steps to reproduce

1. Upload .xlsx file to chat
2. Open chat on android device
3. Try to download .xlsx file
...

Supporting info to reproduce

Reproduced only on Android devices in 100% of cases

Relevant log output

-

Flutter analyze output

Analyzing project...                                                     
No issues found! (ran in 20.6s)

Flutter doctor output

Doctor summary (to see all details, run flutter doctor -v):
[!] Flutter (Channel [user-branch], 3.27.4, on macOS 15.4 24E248 darwin-arm64, locale en-PL)
    ! Flutter version 3.27.4 on channel [user-branch] at /Users/mykyta/development/flutter
      Currently on an unknown channel. Run `flutter channel` to switch to an official channel.
      If that doesn't fix the issue, reinstall Flutter by following instructions at https://flutter.dev/setup.
    ! Upstream repository unknown source is not a standard remote.
      Set environment variable "FLUTTER_GIT_URL" to unknown source to dismiss this error.
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 16.2)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2024.2)
[✓] Connected device (6 available)
[✓] Network resources

Code of Conduct

• I agree to follow this project's Code of Conduct

[xsahil03x]

@Mounix99 , I am not able to reproduce this. Can you share the file using which i can reproduce this? Thanks

[github-actions]

Hey, you can help us out by closing this issue if the problem no longer exists, or adding more information.

[Mounix99]

@xsahil03x Hi, yes! This problem produces only on Android devices. Here is the example of file:

Events-07.04.2025-14.04.2025--1-.xlsx

[xsahil03x]

Hey @Mounix99 , Thanks i can reproduce it. It's a BE issue and will let you know once fixed.