LSViana

package intro.api.senai.com.apiusage.retrofit.config;

import intro.api.senai.com.apiusage.utils.AppUtils;
import intro.api.senai.com.apiusage.utils.CEPRestService;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;

public class RetrofitConfig {

    private Retrofit retrofit;

LSViana

package intro.api.senai.com.apiusage.utils;

import android.os.AsyncTask;

import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

LSViana

<dependencies>
		<!-- Apache Commons: DBCP https://mvnrepository.com/artifact/org.apache.commons/commons-dbcp2 -->
		<dependency>
			<groupId>org.apache.commons</groupId>
			<artifactId>commons-dbcp2</artifactId>
			<version>2.1.1</version>
		</dependency>

		<!-- Jackson : Databind https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
		<dependency>