[Flutter] You must specify "rootDirectory" or "shortcuts", but not both

I am using Dart/Flutter on Windows.

I am using File System Picker and File Picker Windows.

I need to select a folder and return the folder full path.

My steps are:

1. Ask a user to select a folder
2. I get the popup to select a folder
3. The problem is that the folder path variable is still null after the folder selection.

Plus, If I don't select a folder and click Cancel on the folder selection popup, then I get this error: You must specify "rootDirectory" or "shortcuts", but not both

Could you please help. Thank You

Here is my code:

myfolderSelectFunction() {
final m = DirectoryPicker()..title = 'Select a directory';
final result = m.getDirectory();
FilesystemPicker(rootDirectory: result, fsType: FilesystemType.all, onSelect: (String value) {
myFolderpath = value;
});
return myFolderpath;
}

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