Android 网络请求 框架

本文是作者初次分享Android开发经验,主要介绍如何使用OkHttp框架进行GET和POST网络请求。文中提供了详细的代码示例,包括HttpAddress类、HttpCallbackListener接口、HttpRequest请求方法以及缓存策略。最后给出了TestActivity的使用方式。

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大家好,不知不觉进行Android的开发工作已经快4年了,一直在网上观摩各位大牛的博客,令我学到了很多,在此我深表感谢,今天是小弟第一次写自己的博客,希望大家能多多指正。

废话不多说了,下面进入正题:

Http的数据交互相信大家熟悉的不能再熟悉了,每一个开发者都需要研究使用的功能,在这里,我写一下自己的一些实现方式:

首先,Http请求常用的大概有GET和POST两种请求方式,到这里,大家应该有个大概的了解,GET一般用于获取/查询资源信息,而POST一般用于更新资源信息。我们从表面上来看一下GET和POPST的区别: 

 1.GET请求的数据会附在URL之后(就是把数据放置在HTTP协议头中),以?分割URL和传输数据,参数之间以&    
    相连,如:login.action?name=hyddd&password=idontknow&verify=%E4%BD%A0%E5%A5%BD。
    POST把提交的数据则放置在是HTTP包的包体中。   

 2.首先是"GET"方式提交的数据最多只能是1024字节",因为GET是通过URL提交数据,那么GET可提交的数据量 
   就跟URL的长度有直接关系了。而实际上,URL不存在参数上限的问题,HTTP协议规范没有对URL长度进行限 
   制。这个限制是特定的浏览器及服务器对它的限制。IE对URL长度的限制是2083字节(2K+35)。对于其他浏览
   器,如FireFox等,理论上没有长度限制,其限制取决于操作系统的支持。【注意这是限制是整个URL长度,  
   而不仅仅是你的参数值数据长度。】

   然后是POST是没有大小限制的,HTTP协议规范也没有进行大小限制,说“POST数据量存在80K/100K的大小限
   制”是不准确的,POST数据是没有限制的,起限制作用的是服务器的处理程序的处理能力。

HTTP协议(HyperText Transfer Protocol,超文本传输协议)的实现原理在这里就不在做多赘述了,下面直接进入代码,由于本代码在okhttp的基础上完成整理,代码中注释也写了很多,这里就直接上代码了:

首先我们写一个类HttpAddress,主要存一些接口地址等常量以及各位自定义的一些数据常量等,例:

package com.hs.http;

import java.util.HashMap;
import java.util.Map;


/**
 * 存放所有接口地址
 * Created by ZM on 2016/7/13 0022.
 */
class HttpAddress {

    /**
     * post请求类型传入Map
     */
    public static final String HttpTypeMap = "Map";
    /**
     * post请求类型传入Json
     */
    public static final String HttpTypeJson = "JSON";

    public static final String  CodeThird="error_code";
    public static final String  MsgThird="reason";
    public static final String  DataThird="data";

    public static final String  CodeLocal="code";
    public static final String  MsgLocal="msg";
    public static final String  DataLocal="data";
    /**
     * H5域名
     */
    public static String URL_H5 = "https://www.xiaomoc.com/indiana-app/";

    /**
     * 推广H5
     */
    public static String URL_H5_PROMPT = URL_H5 + "html/microSite.html";

    /**
     * 接口地址(第三方接口服务器地址)
     */
    public static String URL_HTTP_THRID = "http://v.juhe.cn/";

    /**
     * 接口地址(我的App服务器地址)
     */
    public static String URL_HTTP = "https://www.xiaomoc.com/indiana-app/";
    /**
     * 图片服务器地址
     */
    public static String URL_IMAGE = "http://120.77.13.93/";

    /**
     * 设置USERID
     */
    public static int UserID;

    public static int getUserID() {
        return UserID;
    }

    public static void setUserID(int userID) {
        UserID = userID;
    }

    protected static final Map<Integer, String> address = new HashMap();

    /*分享Image图片URL*/
    public static final String SHAREIMAGE = "http://www.xiaomoc.top/0986e377ef7e996aa077234080630fd1";

    private static final String TAG = "HttpAddress";


    public  static  final  int NEWS=0;

    static {
        address.put(NEWS, "app/carnews/list");
    }
}

然后,我们来写一个回调的监听接口类:HttpCallbackListener

package com.hs.http;

/**
 * Created by ${ZM} on 2016/7/13 0013.
 */
public interface HttpCallbackListener<T> {
    /**
     * 没有网络时返回
     */
    void noNetwork(int code,String msg);

    /**
     * 未知错误返回
     * @param  msg 错误信息
     */
    void unknownError(int code,String msg);

    /**
     * 失败时返回
     *
     * @param code 错误码
     * @param msg  错误信息
     */
    void failure(int code, String msg);

    /**
     * 成功时返回
     * @param t
     */
    void success(int id,T t);

}

第三步,建立我们的请求方法,这里的例子根据我自己项目中用的,首先创建请求体,然后通过一些接口回调完成数据的传输,并在成功时缓存了获取到的数据,方便在下一次因为某些原因获取失败时,直接返回上一次缓存的数据,然后获取里面包含了Get,Post(这里因为项目需要,写了两种请求体的生成方式),可能有些地方对于大家来说是多余的,以下就不说了,直接上全部代码了,大家仅仅做个参考:

HttpRequest:

package com.hs.http;

import android.app.Activity;
import android.content.Context;
import android.util.Log;

import com.squareup.okhttp.Call;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.FormEncodingBuilder;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.MultipartBuilder;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.RequestBody;
import com.squareup.okhttp.Response;

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.TimeUnit;

import cn.ljguo.security.AESAndroid;
import cn.ljguo.security.MD5;
import demo.hs.util.NetWorkUtil;


/**
 * Created by  ZM on 2016/7/13 0013.
 */
abstract class HttpRequest extends HttpAddress {

    private final static String TAG = "HTTP";
//  md5加密(本App中没用到)
//    if (BuildConfig.IS_HTTP_ENCRYPTED) {
//        json = MobileKit.encryptMobileText(json.toString());
//    }
//  md5解密(本App中没用到)
//    if (BuildConfig.IS_HTTP_ENCRYPTED) {
//        content = MobileKit.decryptMobileText(content);
//        Log.e(TAG,  "获取服务器加密后的数据=[" + content + "]");
//    } else {
//        Log.e(TAG, "获取到数据=[" + content + "]");
//    }

    /***
     * POST方式传参请求
     *
     * @param id       接口Id
     * @param isThrid  true--第三方接口服务器  false--自己App后台提供的服务器
     * @param httpType HttpTypeMap--传入map类型   HttpTypeJson--传入json类型
     * @param result   返回的bean集合
     * @param context  上下文
     * @param builder  httpType为HttpTypeMap时,传入Builder对象,否则传NUll
     * @param json     httpType为HttpTypeJson时,传入String对象,否则传NUll
     * @param callback 回调接口
     */
    protected void requestPost(final int id, final boolean isThrid, String httpType, final IHttpResult result, final Context context, FormEncodingBuilder builder, final String json, final HttpCallbackListener callback) {
        String url = null;
        if (isThrid) {
            url = URL_HTTP_THRID + HttpAddress.address.get(id);
        } else {
            url = URL_HTTP + HttpAddress.address.get(id);
        }
        if (!NetWorkUtil.isNetworkAvailable(context)) {
            callback.noNetwork(id, "请检查您的网络连接");
            getCatch(isThrid, id, result, context, callback);
            return;
        }
        OkHttpClient client = new OkHttpClient();
        client.setConnectTimeout(10, TimeUnit.SECONDS);
        client.setWriteTimeout(10, TimeUnit.SECONDS);
        client.setReadTimeout(30, TimeUnit.SECONDS);
        Request request = null;
        switch (httpType) {
            case HttpTypeMap:
                Log.e(TAG, "请求的接口=" + url + "传入的参数=" + builder.toString());
                request = new Request.Builder().url(url).post(builder.build()).build();
                break;
            case HttpTypeJson:
                Log.e(TAG, "请求的接口=" + url + "传入的参数=" + json.toString());
                final MediaType JSON = MediaType.parse("application/json; charset=utf-8");
                request = new Request.Builder().url(url).post(RequestBody.create(JSON, json.toString())).build();
                break;
        }
        CallHttp(client, request, context, id, isThrid, true, result, callback);
    }


    /***
     * Get方式请求数据
     *
     * @param id           接口Id
     * @param isThrid      true--第三方接口服务器  false--自己App后台提供的服务器
     * @param result       返回的bean集合
     * @param context      上下文
     * @param json         传入String对象
     * @param callback     回调接口
     */
    protected void requestGet(final int id, final boolean isThrid, final IHttpResult result, final Context context, final String json, final HttpCallbackListener callback) {
        String url = null;
        if (isThrid) {
            url = URL_HTTP_THRID + HttpAddress.address.get(id) + json;
        } else {
            url = URL_HTTP + HttpAddress.address.get(id) + json;
        }
        if (!NetWorkUtil.isNetworkAvailable(context)) {
            callback.noNetwork(id, "请检查您的网络连接");
            getCatch(isThrid, id, result, context, callback);
            return;
        }
        Log.e(TAG, "请求的接口=" + url);
        OkHttpClient client = new OkHttpClient();
        client.setConnectTimeout(10, TimeUnit.SECONDS);
        client.setWriteTimeout(10, TimeUnit.SECONDS);
        client.setReadTimeout(30, TimeUnit.SECONDS);
        final Request request = new Request.Builder().url(url).get().build();
        CallHttp(client, request, context, id, isThrid, true, result, callback);
    }


    /***
     * 上传Image图片到服务器
     * @param id  接口Id
     * @param result   返回的bean集合
     * @param context  上下文
     * @param map  传入的Map参数对象
     * @param files  传入的文件对象
     * @param callback  回调接口
     */
    protected void requestPostImage(final int id, final IHttpResult result, final Context context, final HashMap<String, String> map, List<File> files, final HttpCallbackListener callback) {
        final String url = URL_HTTP + HttpAddress.address.get(id);
        if (!NetWorkUtil.isNetworkAvailable(context)) {
            callback.noNetwork(id, "请检查您的网络连接");
            return;
        }
        Log.d(TAG, "请求的接口=" + url);
        final MediaType MEDIA_TYPE_PNG = MediaType.parse("multipart/form-data");
        //创建OkHttpClient实例
        final OkHttpClient client = new OkHttpClient();
        MultipartBuilder builder = new MultipartBuilder().type(MultipartBuilder.FORM);
        //遍历map中所有参数到builder
        if (map != null && map.size() != 0) {
            for (String key : map.keySet()) {
                builder.addFormDataPart(key, map.get(key));
            }
        }
        if (files != null && files.size() != 0) {
            //遍历paths中所有图片绝对路径到builder,并约定key如“upload”作为后台接受多张图片的key
            for (File file : files) {
                builder.addFormDataPart(UUID.randomUUID().toString(), file.getName(), RequestBody.create(MEDIA_TYPE_PNG, file));
            }
        }
        //构建请求体
        RequestBody requestBody = builder.build();
        //构建请求
        Request request = new Request.Builder()
                .url(url)//地址
                .post(requestBody)//添加请求体
                .build();
        CallHttp(client, request, context, id, false, false, result, callback);
    }


    /***
     * 构建请求以及获取返回数据
     *
     * @param client
     * @param request
     * @param context
     * @param id
     * @param isThrid
     * @param isCatch
     * @param result
     * @param callback
     */
    public void CallHttp(OkHttpClient client, Request request, final Context context, final int id, final boolean isThrid, final boolean isCatch, final IHttpResult result, final HttpCallbackListener callback) {
        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Request request, final IOException e) {
                Log.e(TAG, "request=" + request + " IOException=" + e);
                if (isCatch) {
                    getCatch(isThrid, id, result, context, callback);
                }
                unknowError(context, id, e.getMessage(), callback);
            }

            @Override
            public void onResponse(final Response response) throws IOException {
                if (response.code() == 200) {
                    String content = response.body().string();
                    final String _content = content;
                    Log.d(TAG, "获取到数据=[" + content + "]");
                    if (isCatch) {
                        setCatch(context, content, id);
                    }
                    getResultSuccess(context, isThrid, id, result, _content, callback);
                } else {
                    if (isCatch) {
                        Log.e(TAG, "请求服务器出错取缓存=[" + response.body().string() + "]");
                        getCatch(isThrid, id, result, context, callback);
                    } else {
                        Log.e(TAG, "请求服务器出错=[" + response.body().string() + "]");
                    }
                    unknowError(context, id, response.message(), callback);
                }
            }
        });
    }


    /***
     * 写入缓存
     *
     * @param context
     * @param content
     * @param id
     */
    protected void setCatch(Context context, String content, int id) {
        try {
                        /*需要缓存数据时,加密后保存在本地缓存*/
            if (BuildConfig.IS_HTTP_CACHE) {
                ACache cache = ACache.get(context);
                content = AESAndroid.encrypt(content, BuildConfig.HTTP_CACHE_PASSWORD);
                Log.e(TAG, "写入缓存的内容=" + content);
                cache.put(MD5.MD5Encode(HttpAddress.address.get(id)), content);
            }
        } catch (Exception e) {
            Log.e(TAG, "写入缓存失败");
        }
    }

    /***
     * 获取缓存数据
     *
     * @param isThrid
     * @param id
     * @param result
     * @param context
     * @param callback
     */
    protected void getCatch(boolean isThrid, int id, IHttpResult result, Context context, HttpCallbackListener callback) {
        if (isThrid) {
            getCache(id, result, context, HttpAddress.address.get(id), CodeThird, MsgThird, DataThird, callback);
        } else {
            getCache(id, result, context, HttpAddress.address.get(id), CodeLocal, MsgLocal, DataLocal, callback);
        }
    }


    /***
     * 获取数据成功
     *
     * @param context
     * @param isThrid
     * @param id
     * @param result
     * @param _content
     * @param callback
     */
    protected void getResultSuccess(final Context context, final boolean isThrid, final int id, final IHttpResult result, final String _content, final HttpCallbackListener callback) {
        if (context instanceof Activity) {
            ((Activity) context).runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    if (isThrid) {
                        result(id, result, context, _content, CodeThird, MsgThird, DataThird, callback);
                    } else {
                        result(id, result, context, _content, CodeLocal, MsgLocal, DataLocal, callback);
                    }
                }
            });
        } else {
            if (isThrid) {
                result(id, result, context, _content, CodeThird, MsgThird, DataThird, callback);
            } else {
                result(id, result, context, _content, CodeLocal, MsgLocal, DataLocal, callback);
            }
        }
    }


    /***
     * 当错误时返回错误信息
     *
     * @param context
     * @param id
     * @param msg
     * @param callback
     */
    protected void unknowError(Context context, final int id, final String msg, final HttpCallbackListener callback) {
        if (context instanceof Activity) {
            ((Activity) context).runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    callback.unknownError(id, msg);
                }
            });
        } else {
            callback.unknownError(id, msg);
        }
    }


    /***
     * Http请求失败时获取之前成功时的缓存信息(通过解密之前保存的缓存数据获取)
     *
     * @param id
     * @param result
     * @param context
     * @param key
     * @param c
     * @param m
     * @param d
     * @param callback
     */
    private void getCache(int id, IHttpResult result, Context context, String key, String c, String m, String d, HttpCallbackListener callback) {
        try {
            if (BuildConfig.IS_HTTP_CACHE) {
                ACache cache = ACache.get(context);
                String content = cache.getAsString(MD5.MD5Encode(key));
                if (content != null && !content.isEmpty()) {
                    content = AESAndroid.decrypt(content, BuildConfig.HTTP_CACHE_PASSWORD);
                    Log.e(TAG, "读取缓存数据=" + content);
                    result(id, result, context, content, c, m, d, callback);
                }
            }
        } catch (Exception e) {
            Log.e(TAG, e.getMessage());
        }
    }

    protected abstract void result(Integer id, IHttpResult result, Context context, String json, String code, String msg, String data, HttpCallbackListener callback);
}

HttpResult:

package com.hs.http;

import android.content.Context;
import android.text.TextUtils;
import android.util.Log;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;

import org.json.JSONException;
import org.json.JSONObject;

import java.lang.reflect.Proxy;
import java.lang.reflect.Type;

/**
 * Created by ZM on 2016/7/13 0013.
 */
public class HttpResult extends HttpRequest {

    @Override
    protected void result(Integer id, IHttpResult result, Context context, String json,String c,String m,String  d, HttpCallbackListener callback) {
        try {
            JSONObject jsonObject = new JSONObject(json);
            int code = jsonObject.getInt(c);
            if (code == 200) {
                HttpResultHandler handler = new HttpResultHandler(result);
                IHttpResult proxy = (IHttpResult) Proxy.newProxyInstance(result.getClass().getClassLoader(), result.getClass().getInterfaces(), handler);
                proxy.result(context, id, jsonObject, callback);
            } else {
                String msg="";
                msg  = jsonObject.getString(m);
               if(TextUtils.isEmpty(msg)){
                  msg=jsonObject.getString(d);
                }
                callback.failure(id, msg);
            }
        } catch (JSONException e) {
            callback.unknownError(id,e.getMessage());
        }
    }

    protected class StringConverter implements JsonSerializer<String>,
            JsonDeserializer<String> {
        public JsonElement serialize(String src, Type typeOfSrc,
                                     JsonSerializationContext context) {
            if (src == null) {
                return new JsonPrimitive("");
            } else {
                return new JsonPrimitive(src.toString());
            }
        }

        public String deserialize(JsonElement json, Type typeOfT,
                                  JsonDeserializationContext context)
                throws JsonParseException {
            return json.getAsJsonPrimitive().getAsString();
        }
    }
}

BaseHttpResult:

package com.hs.http;

import android.content.Context;
import android.util.Log;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import org.json.JSONObject;

import java.util.List;

/**
 * Created by ZM on 2016/7/13 0013.
 */
public  class BaseHttpResult extends HttpResult{

    private final static String TAG="BaseHttpResult";

    protected class ResultList<T>  implements IHttpResult<T> {
        private String mTag;
        private Class mClass;
        public ResultList(String tag,Class c){
            mTag=tag;
            this.mClass=c;
        }

        @Override
        public void result(Context context, Integer id, JSONObject jsonObject,     HttpCallbackListener callback) {
            try {
                Gson gson = new Gson();
                String json="";
                if(mTag!=null&&!mTag.equals("")){
                    json=jsonObject.get(mTag).toString();
                }else{
                    json=jsonObject.toString();
                }
                List<T> playDaysOfMonthList = gson.fromJson(json,new TypeToken<List<T>>(){}.getType());
                callback.success(id, playDaysOfMonthList);
            } catch (Exception e) {
                callback.unknownError(id,e.getMessage());
            }
        }
    }
    protected class ResultBean<T> implements IHttpResult{
        private Class c;
        private String mTag;
        public ResultBean(Class c){
            this.c=c;
        }
        public ResultBean(Class c,String tag){
            this.c=c;
            this.mTag=tag;
        }
        @Override
        public void result(Context context, Integer id, JSONObject jsonObject, HttpCallbackListener callback) {
            try {
                Log.d(TAG,"t="+c);
                String json="";
                if(mTag!=null&&!mTag.equals("")){
                    json=jsonObject.get(mTag).toString();
                }else{
                    json=jsonObject.toString();
                }
                T t = (T) new Gson().fromJson(json,c);
                callback.success(id, t);
            } catch (Exception e) {
                callback.unknownError(id,e.getMessage());
            }
        }
    }
    protected class ResultMap implements IHttpResult{

        @Override
        public void result(Context context, Integer id, JSONObject jsonObject, HttpCallbackListener callback) {
            try {
                callback.success(id, JsonToMap.toMap(jsonObject.toString()));
            } catch (Exception e) {
                callback.unknownError(id,e.getMessage());
            }
        }
    }

    protected class ResultSuccess implements IHttpResult{
        @Override
        public void result(Context context, Integer id, JSONObject jsonObject, HttpCallbackListener callback) {
            try {
                callback.success(id,jsonObject);
            } catch (Exception e) {
                callback.unknownError(id,e.getMessage());
            }
        }
    }

}

HsHttpResult(这里写自己需要返回的内容):

package com.hs.http;
import android.content.Context;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.hs.data.TestBean;
import org.json.JSONObject;
import java.util.List;


/**
 * Created by ZM on 2016/7/13 0013.
 */
public class HsHttpResult extends BaseHttpResult {

    /***
     * 获取新闻列表json返回
     */
    protected class getNewsList implements IHttpResult {
        @Override
        public void result(Context context, Integer id, JSONObject jsonObject, HttpCallbackListener callback) {
            try {

                List<TestBean> info=new Gson().fromJson(jsonObject.getString("data"),new TypeToken<List<TestBean>>() {
                }.getType());
                callback.success(id, info);
            } catch (Exception e) {
                callback.unknownError(id,e.getMessage());
            }
        }
    }

}

HttpResultHandler:

package com.hs.http;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;

/**
 * Created by ZM on 2016/7/13 0013.
 */
public class HttpResultHandler implements InvocationHandler {

    private Object mObject;

    protected HttpResultHandler(Object object) {
        super();
        this.mObject = object;
    }
    public Object invoke(Object proxy, Method method, Object... args) throws Throwable {
        Object result = null;
        result = method.invoke(mObject, args);
        return result;
    }
}

IHttpResult:

package com.hs.http;

import android.content.Context;

import org.json.JSONObject;

/**
 * Created by ZM on 2016/7/13 0013.
 */
public interface IHttpResult<T> {
    void result(Context context, Integer id, JSONObject jsonObject, HttpCallbackListener callback);
}

JsonToMap:

package com.hs.http;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import java.util.List;
import java.util.Map;

/**
 * Created by ZM on 2016/7/13 0013.
 */
public class JsonToMap {
    /**
     * 根据json字符串返回Map对象
     *
     * @param json
     * @return
     */
    protected static Map<String, Object> toMap(String json) {
        return new Gson().fromJson(json, new TypeToken<Map<String, Object>>() {
        }.getType());
    }


    protected static List<Map<String,Object>> toList(String json){
        return new Gson().fromJson(json, new TypeToken<List<Map<String, Object>>>() {
        }.getType());
    }
}

最后 Http:

package com.hs.http;

import android.content.Context;

/**
 * 存放所有接口请求
 * Created by ZM on 2016/7/13 0013.
 */
public class Http extends HsHttpResult {

    /***
     * 获取新闻列表
     *
     * @param context
     * @param callback
     */
    public void getNewsList(Context context, int currentPage, int numPerPage, HttpCallbackListener callback) {
        requestGet(NEWS,false,new getNewsList(),context,"?currentPage=" + currentPage + "&numPerPage="+numPerPage,callback);
    }

//    /***
//     * 上传头像
//     *
//     * @param context
//     * @param files
//     * @param callback
//     */
//    public void uploadHeader(Context context,  String  userid, List<File> files, HttpCallbackListener callback) {
//        HashMap<String,String> map=new HashMap<>();
//        map.put("userId", userid);
//        request(UPLOADHEADER,new loginResult(),context,map,files,callback);
//    }


}

使用方式示例 TestActivity:

package com.hs.qianshubao.wealth.base;

import android.app.Activity;
import android.os.Bundle;

import com.hs.data.TestBean;
import com.hs.http.Http;
import com.hs.http.HttpCallbackListener;
import com.hs.qianshubao.wealth.R;

import java.util.List;

/**
 * Created by ZM on 2017/4/18 0018.
 */
public class TestActivity extends Activity implements HttpCallbackListener {
    public static String TAG="TestActivity";

    Http http;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        http=new Http();
        http.getNewsList(this,1,10,this);
    }

    @Override
    public void noNetwork(int code, String msg) {
        /*这里处理没网的情况  code-请求的接口ID ,例:NEWS   ,msg----说明语句*/
    }

    @Override
    public void unknownError(int code, String msg) {
         /*这里处理出现位置错误的情况  code-请求的接口ID ,例:NEWS   ,msg----错误提示*/
    }

    @Override
    public void failure(int code, String msg) {
        /*这里处理出现一些服务器错误的情况 code-请求的接口ID ,例:NEWS   ,msg----错误提示*/
    }

    @Override
    public void success(int id, Object o) {
        /*这里处理请求成功后的情况 id-请求的接口ID ,例:NEWS   ,o----在HsHttpResult获取的返回内容 */
        List<TestBean> mList= (List<TestBean>) o;
        Log.e(TAG,"====="+mList.toString());
    }
}

今天就到这里了,欢迎各位大牛批评指正,感谢!

下载链接:http://download.youkuaiyun.com/detail/zhang6511828/9818075

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