onRequest method

  1. @override
void onRequest(
  1. RequestOptions options,
  2. RequestInterceptorHandler handler
)

Called when the request is about to be sent.

Implementation

@override
void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
  // String path = options.path;
  Map headers = options.headers;
  headers['version'] = '0.1';

  handler.next(options);
}