How to add http interceptor in retrofit in a service generator class

Question

I created a separate service generator class as shown is this guide https://futurestud.io/tutorials/retrofit-2-manage-request-headers-in-okhttp-interceptor

ApiServiceGen

Answer 1

I have a Creator class like this

class Creator {
    public static Services newServices() {
        final HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
        final OkHttpClient client = new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .build();

        final Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(Services.HOST)
                .client(client)
                .addConverterFactory(GsonConverterFactory.create(GsonUtils.get()))
                .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                .build();
        return retrofit.create(Services.class);
    }
}

Answer 2

You need to use the http client created when building the retrofit instance.

Retrofit.Builder()
                .baseUrl(BASE_URL)
                .client(httpClient)  // This is the line
                .addConverterFactory(GsonConverterFactory.create());