package Ġcom . kick starter . services Ċ Ċ import Ġokhttp 3 . ResponseBody Ċ import Ġretrofit 2 . Response Ċ import Ġretrofit 2 . http . POST Ċ import Ġretrofit 2 . http . Query Ċ import Ġrx . Observable Ċ Ċ interface ĠKo ala Service Ġ{ ĊĊĠĠĠ Ġ@ POST ("/ native / track ") ĊĠĠĠ Ġfun Ġtrack (@ Query (" data ") Ġdata : ĠString ) Ġ: ĠObservable < Response < ResponseBody >> Ċ } Ċ