@@ -0,0 +1,415 @@
+package com.movies.tobi.popularmovies.backend;%0A%0Aimport com.movies.tobi.popularmovies.popularstream.ApiPopularMoviesResponse;%0A%0Aimport retrofit2.http.GET;%0Aimport retrofit2.http.Query;%0Aimport rx.Observable;%0A%0Apublic interface Backend %7B%0A%0A    String SERVICE_ENDPOINT = %22https://api.themoviedb.org/%22;%0A%0A    @GET(%22/3/movie/popular%22)%0A    Observable%3CApiPopularMoviesResponse%3E popularStream(@Query(%22api_key%22) String apiKey);%0A%7D%0A

add backend with endpoint to fetch the popular stream