使用okhttp3 android在Ruby ActionCable频道室订阅

Question

I'm trying to create simple chat on android and i have ruby server-side application. ActionCable chat is working (tested via browser). The question is how can i subscribe on the special channel room using okhttp3 android library like it done using cable.js (browser screen)?

ruby server

android client

browser

Answer 1

You should look how js client is implemented and send messages according to undocumented actioncable protocol

To subscribe

{"command":"subscribe","identifier":"{\"channel\":\"ChatChannel\"}"}

You can watch from chrome browser the websocket frames