pickImage method

Implementation

Future<void> pickImage({final int? maxSize, final Function()? onAdd}) async {
  print("object");
await FilePicker.platform.pickFiles(
  type              : FileType.custom,
  allowedExtensions : _fileTypes,
  lockParentWindow  : true,
  allowMultiple     : false,
  withData          : true
).then((response) async {
  if (response == null) {
    reset(error: false);
  } else {
    final f = response.files.single;
    if(!_fileTypes.contains(f.extension)) {
      reset(error: false);
    } else {
      await setFromBytes(
        name      : f.name,
        extension : f.extension ?? '',
        bytes     : f.bytes,
        maxSize   : maxSize,
      ).then((_) {
        onAdd?.call();
      });
    }
  }
  notifyListeners();
})
.onError((error, stackTrace) => reset(error: false));
}