网络请求封装（Retrofit+OK+日志拦截器）

package com.example.mvp_rxjava.api;

import android.util.Log;

import java.util.concurrent.TimeUnit;

import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * Created by Administrator on 2018/1/3.
 */

public class Fengzhuang {
    private static Fengzhuang fengzhuang;

    //单例
    public static Fengzhuang getfengzhuang(){

        if (fengzhuang == null){
            synchronized (Fengzhuang.class){
                if (fengzhuang == null){
                    fengzhuang = new Fengzhuang();
                }
            }
        }
        return fengzhuang;
    }


    private static Retrofit retrofit;

    //封装Retrofit网络请求
    public static synchronized Retrofit getretrofit(){

        //日志拦截器可加可不加
        HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
            @Override
            public void log(String message) {
                Log.i("tag", message);
            }
        });
        //日志拦截器
        interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);

        //OK方法
        OkHttpClient okHttpClient = new OkHttpClient.Builder()
                .addInterceptor(interceptor)
                .connectTimeout(3000, TimeUnit.SECONDS)
                .build();

        //retrofit适配器
        if (retrofit == null){
                retrofit = new Retrofit.Builder()
                    .addConverterFactory(GsonConverterFactory.create())
                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                    .client(okHttpClient)
                    .baseUrl(Api_class.API_QIAN)
                    .build();
        }
            return retrofit;
    }

        //泛型
        public <T>T getapiserves (Class<T> cl){
            retrofit = getretrofit();

            return Fengzhuang.retrofit.create(cl);
        }
}



日志拦截器依赖
//日志拦截器
    compile('com.github.ihsanbal:LoggingInterceptor:2.0.3') {
        exclude group: 'org.json', module: 'json'}






allprojects {
    repositories {
        maven { url 'https://jitpack.io' }
    }
}