OkHttp

package com.example.mvp3.mvp.netwoke;

import android.os.Handler;
import android.util.Log;

import java.io.IOException;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

//拦截和单例
public class NetWork {
private static NetWork instance;
//Hander
Handler handler = new Handler();

//    拦截器
private Interceptor interceptor() {
    Interceptor interceptor = new Interceptor() {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            Log.i("NetWork", "intercept: 拦截前");
            Response response = chain.proceed(request);
            Log.i("NetWork", "intercept: 拦截后");
            return response;

        }
    };
    return interceptor;
}

private NetWork() {

}

public static NetWork getInstance() {

// 点里
if (instance == null) {
synchronized (NetWork.class) {
if (instance == null) {
instance = new NetWork();
}
}
}
return instance;
}

//    请求数据
public void post(String url, String phone, String pwd, final GetBackCall getBackCall) {
    OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(interceptor()).build();
    FormBody formBody = new FormBody.Builder().add("phone", phone).add("pwd", pwd).build();
    final Request request = new Request.Builder().url(url).post(formBody).build();
    okHttpClient.newCall(request).enqueue(new Callback() {
        //            失败会会获取他
        @Override
        public void onFailure(Call call, IOException e) {
            getBackCall.error(e);
        }

        //成功了会获取他
        @Override
        public void onResponse(Call call, Response response) throws IOException {
            final String string = response.body().string();
            handler.post(new Runnable() {
                @Override
                public void run() {
                    getBackCall.success(string);
                }
            });
        }
    });
}

//    请求数据
public void get(String url, final GetBackCall getBackCall) {
    OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(interceptor()).build();
    final Request request = new Request.Builder().url(url).get().build();
    okHttpClient.newCall(request).enqueue(new Callback() {
        //            失败会会获取他
        @Override
        public void onFailure(Call call, IOException e) {

            getBackCall.error(e);
        }

        //成功了会获取他
        @Override
        public void onResponse(Call call, Response response) throws IOException {
            final String string = response.body().string();
            handler.post(new Runnable() {
                @Override
                public void run() {
                    getBackCall.success(string);
                }
            });
        }
    });
}

public interface GetBackCall {
public void success(String s);

    public void error(Throwable e);
}

}