onRequest method
The callback will be executed before the request is initiated.
If you want to continue the request, call handler.next
.
If you want to complete the request with some custom data,
you can resolve a Response object with handler.resolve
.
If you want to complete the request with an error message,
you can reject a DioError object with handler.reject
.
Implementation
@override
void onRequest(
RequestOptions options, RequestInterceptorHandler handler) async {
options.headers.addAll({
"Authorization": "$prefix${await token}",
});
return super.onRequest(options, handler);
}