File input and Dart

Question

I\'m trying out Dart, but I cant figure out, how to send an image from the user to the server. I have my input-tag, and i can reach this in the DART code, but i cant seem to

Answer 1

My attempt

  void fileSelected(Event event) async {
    final files = (event.target as FileUploadInputElement).files;
    if (files.isNotEmpty) {
      final reader = new FileReader();

      // ignore: unawaited_futures
      reader.onError.first.then((evt) => print('error ${reader.error.code}'));
      final resultReceived = reader.onLoad.first;
      reader.readAsArrayBuffer(files.first);

      await resultReceived;
      imageReference.fileSelected(reader.result as List);
    }
  }