The argument type 'Map<dynamic, dynamic>' can't be assigned to the parameter type 'Map<String, dynamic>?'

Question

The argument type 'Map<dynamic, dynamic>' can't be assigned to the parameter type 'Map<String, dynamic>?'.

void getData({
    required String url,
    required Map query,
  }) {
    dio.get(
      url,
      queryParameters: query,
    );
  }

Answer 1

Define your Map type parameters explicitely:

//                                             vvvvvvvvvvvvvvvvv
void getData({required String url, required Map<String, dynamic> query}) {
  dio.get(url, queryParameters: query);
}