封装RxJava+Retrofit+OkHttp-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_40312617/article/details/78607480

本文介绍了一个基于Retrofit的实用封装方案，通过单例模式管理Retrofit实例，利用OkHttp进行网络请求并添加日志拦截器，支持Gson数据转换及RxJava响应式编程。

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import android.util.Log;

import java.util.concurrent.TimeUnit;

import okhttp3.OkHttpClient;
import okhttp3.logging.HttpLoggingInterceptor;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava.RxJavaCallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;



public class RetrofitUtils {
    //私有的成员变量，只声明不创建
    private static RetrofitUtils retrofitUtils;
    //私有无参构造
    private RetrofitUtils() {
    }
    //返回静态实例的公共的方法
    public  static  RetrofitUtils getInstance(){
        if(retrofitUtils==null){
            synchronized (RetrofitUtils.class){
                if(retrofitUtils==null){
                    retrofitUtils=new RetrofitUtils();
                }
            }
        }
        return retrofitUtils;
    }
    //得到Retrofit对象
    private static  Retrofit retrofit;
    public static  synchronized  Retrofit getRetrofit(String url){
        //添加拦截器
        HttpLoggingInterceptor httpLoggingInterceptor=new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
            @Override
            public void log(String message) {
                Log.i("xxx",message);
            }
        });
        //添加日志级别
        httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
        //创建ok
        OkHttpClient okHttpClient=new OkHttpClient.Builder().addInterceptor(httpLoggingInterceptor)
                .connectTimeout(5000, TimeUnit.SECONDS)
                .readTimeout(5000,TimeUnit.SECONDS)
                .retryOnConnectionFailure(false)
                .build();
        if(retrofit==null){
            retrofit=new Retrofit.Builder().baseUrl(url).client(okHttpClient).addConverterFactory(GsonConverterFactory.create())
                    .addCallAdapterFactory(RxJavaCallAdapterFactory.create())
                    .build();

        }
        return retrofit;

    }

}