FilePicker on Linux will not suggest the given fileName - always empty

[saif-ellafi]

Hi all

Describe the bug The parameter fileName is ignored on Ubuntu 24.04 at least. The file picker will suggest an empty name.

Platform

• [ ] Android
• [ ] iOS
• [ ] Web
• [x] Desktop

Platform OS version

System Details Report

---

Report details

• Date generated: 2024-10-14 08:50:44

Hardware Information:

• Hardware Model: Micro-Star International Co., Ltd. MS-7C76
• Memory: 32.0 GiB
• Processor: Intel® Core™ i7-10700KF × 16
• Graphics: NVIDIA GeForce RTX™ 3070
• Disk Capacity: 1.0 TB

Software Information:

• Firmware Version: 2.30
• OS Name: Ubuntu 24.04.1 LTS
• OS Build: (null)
• OS Type: 64-bit
• GNOME Version: 46
• Windowing System: X11
• Kernel Version: Linux 6.8.0-45-generic

How are you picking?

      String? path;
      path = await FilePicker.platform.saveFile(
        dialogTitle: 'export file',
        bytes: fileBytes,
        type: FileType.custom,
        fileName: 'app-export.log',
        allowedExtensions: <String>['log']
      );

Details to reproduce the issue Nothing special really.

Error Log No errors.

Screenshots and/or video

Flutter Version details

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.24.3, on Ubuntu 24.04.1 LTS 6.8.0-45-generic, locale en_US.UTF-8)
[✓] Android toolchain - develop for Android devices (Android SDK version 34.0.0)
[✗] Chrome - develop for the web (Cannot find Chrome executable at google-chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.
[✓] Linux toolchain - develop for Linux desktop
[✓] Android Studio (version 2024.2)
[✓] VS Code (version 1.94.2)
[✓] Connected device (1 available)
[✓] Network resources

! Doctor found issues in 1 category.

Additional context Add any other context about the problem here.

[saif-ellafi]

Looks like more of the binaries issue, the snap and flatpak builds of my app don't have this issue.