file_selector

A Flutter plugin that manages files and interactions with file dialogs.

	Linux	macOS	Web	Windows
Support	Any	10.11+	Any	Windows 10+

Usage

To use this plugin, add file_selector as a dependency in your pubspec.yaml file.

macOS

You will need to add an entitlement for either read-only access:

  <key>com.apple.security.files.user-selected.read-only</key>
  <true/>

or read/write access:

  <key>com.apple.security.files.user-selected.read-write</key>
  <true/>

depending on your use case.

Examples

Here are small examples that show you how to use the API. Please also take a look at our example app.

Open a single file

final XTypeGroup typeGroup = XTypeGroup(
  label: 'images',
  extensions: <String>['jpg', 'png'],
);
final XFile? file =
    await openFile(acceptedTypeGroups: <XTypeGroup>[typeGroup]);

Open multiple files at once

final XTypeGroup jpgsTypeGroup = XTypeGroup(
  label: 'JPEGs',
  extensions: <String>['jpg', 'jpeg'],
);
final XTypeGroup pngTypeGroup = XTypeGroup(
  label: 'PNGs',
  extensions: <String>['png'],
);
final List<XFile> files = await openFiles(acceptedTypeGroups: <XTypeGroup>[
  jpgsTypeGroup,
  pngTypeGroup,
]);

Saving a file

const String fileName = 'suggested_name.txt';
final String? path = await getSavePath(suggestedName: fileName);
if (path == null) {
  // Operation was canceled by the user.
  return;
}

final Uint8List fileData = Uint8List.fromList('Hello World!'.codeUnits);
const String mimeType = 'text/plain';
final XFile textFile =
    XFile.fromData(fileData, mimeType: mimeType, name: fileName);
await textFile.saveTo(path);

Filtering by file types

Different platforms support different type group filter options. To avoid ArgumentErrors on some platforms, ensure that any XTypeGroups you pass set filters that cover all platforms you are targeting, or that you conditionally pass different XTypeGroups based on Platform.

	Linux	macOS	Web	Windows
extensions	✔️	✔️	✔️	✔️
mimeTypes	✔️	✔️†	✔️
macUTIs		✔️
webWildCards			✔️

† mimeTypes are not supported on version of macOS earlier than 11 (Big Sur).