Crashing on incomplete saveFile()

[timoxd7]

Describe the bug
Invoking saveFile() without filename or without bytes parameter will crash the app silently.

Platform

• Android
• iOS
• Web
• Desktop

Platform OS version
17.5

How are you picking?

// Working:
outputFile = await FilePicker.platform.saveFile(
  dialogTitle: 'Please select an output file:',
  fileName: 'file.txt',
  type: FileType.any,
  bytes: Uint8List(0),
);

// Not working:
outputFile = await FilePicker.platform.saveFile(
  dialogTitle: 'Please select an output file:',
  fileName: 'log.txt',
  type: FileType.any,
);

outputFile = await FilePicker.platform.saveFile(
  dialogTitle: 'Please select an output file:',
  type: FileType.any,
  bytes: Uint8List(0),
);

Details to reproduce the issue
Use code provided above

Error Log
None, will crash at FilePickerPlugin.m:181 if no file name is provided for example.

Flutter Version details
[✓] Flutter (Channel stable, 3.22.1, on macOS 14.5 23F79 darwin-arm64, locale de-DE)
• Flutter version 3.22.1 on channel stable at /Users/timo/sdk/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision a14f74ff3a (13 days ago), 2024-05-22 11:08:21 -0500
• Engine revision 55eae6864b
• Dart version 3.4.1
• DevTools version 2.34.3

Additional context
file_picker version 8.0.3

[sotowang]

i got the same issue on android

[xiaoqiaowoai]

I got the same problem on an ios iPad.

[vargab95]

I got the same on android. Using the "bytes: Uint8List(0)," workaround now.

[alexaungmyooo]

Where do you guys save the file on iOS. I can't save any where because does not have the necessary permissions. I can't save the file on iCloud and Google drive as well.