onError method

@override void onError(DioException err, ErrorInterceptorHandler handler)

Called when an exception was occurred during the request.

Implementation

@override
void onError(DioException err, ErrorInterceptorHandler handler) {
  _run(
    () => afterError(err, handler),
    onFailure: (Object e, StackTrace st) {
      handler.next(
        DioException(
          requestOptions: err.requestOptions,
          response: err.response,
          error: e,
          stackTrace: st,
          type: DioExceptionType.unknown,
        ),
      );
    },
  );
}