I want get RSS code from a URL with Retrofit and if I enter url staticly in the get annotation everything is OK but with dynamic url I get an error.
Retrofit
My
Addition to Destil's answer
Make sure the parameters you pass to the retrofit interface methods(i.e callbacks, headers, body ) are only belongs to retrofit package. e.g. Not custom callbacks that you want on your own.
parameters
retrofit interface methods(i.e callbacks, headers, body )
retrofit package