[android] simple GPT retrofit 1 - setting

OKHttpclient

import java.io.IOException;
import java.util.concurrent.TimeUnit;

import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
import retrofit2.converter.scalars.ScalarsConverterFactory;

public class RetrofitGPT {

    static Retrofit retrofit = null;
    public static OkHttpClient client = null;

    static String MYCODE = "";

    public static Retrofit getClient(String aServer) {
        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

        try {

            client = new OkHttpClient.Builder()
                    .connectTimeout(30, TimeUnit.SECONDS)
                    .readTimeout(30, TimeUnit.SECONDS)
                    .writeTimeout(30, TimeUnit.SECONDS)
                    .addInterceptor(interceptor)
                    .addInterceptor(new Interceptor() {

                        @Override
                        public Response intercept(Chain chain) throws IOException {
                            // TODO Auto-generated method stub
                            String token = "Bearer " + MYCODE;
                            Request request = chain.request().newBuilder()
                                    .addHeader("Authorization", token)
                                    .build();
                            return chain.proceed(request);
                        }
                    }).build();

            retrofit = new Retrofit.Builder().baseUrl(aServer)
                    .addConverterFactory(ScalarsConverterFactory.create())
                    .addConverterFactory(GsonConverterFactory.create())
                    .client(client).build();

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return retrofit;
    }
}

Rest API Interface

import com.google.gson.JsonObject;

import retrofit2.Call;
import retrofit2.http.Body;
import retrofit2.http.Headers;
import retrofit2.http.POST;

public interface GPTRetrofitInterface {
   @Headers("Content-Type: application/json")
   @POST("completions ")
   Call<gptResponse> completions(@Body JsonObject sendJSONObject);
}