retrofit工具包

public class Httputils {


    public  final Api api;

    private Httputils(){

        OkHttpClient httpClient = new OkHttpClient.Builder().addNetworkInterceptor(new LogginIntstance()).build();

        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(Constan.base_url)
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .client(httpClient)
                .build();
        api = retrofit.create(Api.class);
    }

    class LogginIntstance implements Interceptor{

        @Override
        public Response intercept(Chain chain) throws IOException {
            //请求
            Request request = chain.request();
            //获取地址
            String method = request.method();
            //获取路径
            HttpUrl url = request.url();

                Log.d("LogginIntstance", method + "=====" + url);
            Response proceed = chain.proceed(request);
            return proceed;
        }
    }

    private  static class GetHttpUtilsInstance{
        private static Httputils httputils=new Httputils();
    }

    public static Httputils getHttpUtilsInstance(){
        return GetHttpUtilsInstance.httputils;
    }
}