Jude Nguyen

> 2.0.0-beta.4-nullsafety.0 It's the same result. I changed setQuery to setExtraHeaders and it still have no response.

> `void initState() { socket = io( 'http://xxxx:3000/$namespace', OptionBuilder() .setTransports(['websocket']) .build()); socket.on('event', (data) { print('loading $data'); }); super.initState(); }` > > try, work for me Where do you put the...