exportFile method
Export a Google Workspace file of fileID
in the provided mime
type
Implementation
Future<String?> exportFile(String fileID, String mime) async {
final fileMedia = await driveAPI.files.export(
fileID,
mime,
downloadOptions: DownloadOptions.fullMedia,
);
String fileData = "";
await fileMedia!.stream.listen((bytes) {
fileData += String.fromCharCodes(bytes);
}).asFuture();
return fileData;
}