RetrofitでJSONをPOSTする - Qiita// post public static Observable<Void> postUser(String name, int age) { // create Retrofit Retrofit retrofit = new Retrofit.Builder() .client(new OkHttpClient.Builder().build()) .baseUrl("http://localhost:9292") .addCallAdapterFactory(RxJavaCallAdapterFactory.create()) .addConverterFactory(GsonConverterFactory.create()) .build(); return retrofit.createUser(createUserBody(name, age)); } // create p
