Fix Bug on android

I want an experience android developer who has knowledge of Square Otto, Event bus, Couch Db. I am fetching the list of chats from server, 10 at a time, after that I am adding them to couch db. Task: your task is, when I call fetchChatHistory() Method, u should register the bus event and callback, should come to getMessage() Method, then u need to make sure that chat details are added to couch db n then call addtoServerChat() method