Web services using Retrofit 2.0

compile 'com.google.code.gson:gson:2.6.2'
    compile 'com.squareup.retrofit2:retrofit:2.0.2'
    compile 'com.squareup.retrofit2:converter-gson:2.0.2'
    compile 'com.squareup.okhttp3:okhttp:3.2.0'
 

import java.util.concurrent.TimeUnit;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class ServiceGenerator {

    public static <object> createService(Class <object>serviceClass, String baseUrl) {
        //this.baseUrl = baseUrl;
        OkHttpClient httpClient = new OkHttpClient();

        Retrofit.Builder builder =
                new Retrofit.Builder()
                        .baseUrl(baseUrl)
                        .addConverterFactory(GsonConverterFactory.create());

        Retrofit retrofit = builder.client(httpClient.newBuilder().connectTimeout(10, TimeUnit.SECONDS)
                .readTimeout(30, TimeUnit.SECONDS).writeTimeout(30, TimeUnit.SECONDS).build()).build();
        return retrofit.create(serviceClass);
    }
}

public interface UserConnection {

    @Headers({
            "Content-type: application/json",
    })
    @POST(Config.LOGIN)
    Call<loginresponse> requestLogin(@Body JsonObject jsonObject);
}