OKHttp网络封装

package bwie.com.zhangjiangxia20180917.utils;

import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;

public class OkHttpUtil {

    private static OkHttpUtil okHttpUtil;
    private  OkHttpClient okHttpClient;

    private OkHttpUtil(){
        if (null==okHttpClient){
            synchronized (OkHttpClient.class){
                if (null==okHttpClient){
                    okHttpClient = new OkHttpClient.Builder().build();
                }
            }
        }
    }


    public static OkHttpUtil getInstance(){

    if (null==okHttpUtil){
        synchronized (OkHttpUtil.class){
            if (null==okHttpUtil){
                okHttpUtil = new OkHttpUtil();

            }
        }
    }
    return okHttpUtil;
}

public void get(String stringurl, Callback callback){
    Request request = new Request.Builder().url(stringurl).build();
    okHttpClient.newCall(request).enqueue(callback);
}

}
//    class user implements Interceptor{
//        @Override
//        public Response intercept(Chain chain) throws IOException {
//            new OkHttpClient.Builder().addInterceptor(user).build();
//            Request request = chain.request();
//            request.header("userld",18).
//            Response response = chain.proceed(request);
//            return response;
//        }
//    }