First Step

ArrayMap<String, String> header = new ArrayMap<>();
 header.put("User-Agent", "android");
 /**
 * net config
 */
 final NetConfig netConfig = new NetConfigBuilder()
 .context(this)
 .log(true)
 .logTag("you_tag_name")
 .printResponseBody(true)
 .header(header)
 .createNetConfig();
 NetUtils.setNetConfig(netConfig);

Second Step

public class BaseList_1Response<T> implements CommonResponse<List<T>> {
 public String reason;
 public int error_code;
 public List<T> result;
 @Override public List<T> getResult() {
 return result;
 }
 @Override public void setResult(List<T> ts) {
 this.result = ts;
 }
 @Override public boolean isValid() {
 return error_code == 0;
 }
}

Three Step

No next Step

Before

 /**
 * retrofit2原始用法
 */
 private void before1() {
 Call<NewsResponseOrigin> originResponseCall = MyNet.get().getNewsOrigin("普京", "20f453107e7739c9a363edb7507bd0ed");
 originResponseCall.enqueue(new Callback<NewsResponseOrigin>() {
 @Override public void onResponse(Call<NewsResponseOrigin> call, Response<NewsResponseOrigin> response) {
 //数据code正确时
 if (response.body() != null && response.body().error_code == 0) {
 /**
 * server api design is not a good return data redundancy may exist, we need to be screened
 * 服务端api设计可能不良好,存在返回数据之后需要重新拼装筛选
 */
 List<NewsResponseOrigin.ResultEntity> result = response.body().result;
 List<News> newsList = new ArrayList<>();
 for (NewsResponseOrigin.ResultEntity entity : result) {
 News news = new News();
 news.content = entity.content;
 news.full_title = entity.full_title;
 news.img = entity.img;
 //...
 newsList.add(news);
 }
 //fill list to recycler/listView
 /**
 * There may be a whole lot like this App interface, that the above code should write again?
 * 可能整个App存在很多这样子的接口,那不是以上代码都需要走一遍?
 */
 }
 }
 @Override public void onFailure(Call<NewsResponseOrigin> call, Throwable t) {
 /**
 * You need to judge for themselves what type of error
 * 在retrofit2默认错误回调中,你需要自己去处理分析错误类型
 */
 if (t != null) {
 if (t instanceof UnknownHostException || (t.getCause() != null && t.getCause() instanceof UnknownHostException)) {
 //net error
 } else {
 //json parse error
 }
 }
 }
 });
 }

After

 /**
 * 针对原始改进之后的用法
 */
 private void after1() {
 Call<NewsResponseUpdate> responseUpdate = MyNet.get().getNewsUpdate("普京", "20f453107e7739c9a363edb7507bd0ed");
 responseUpdate.enqueue(new MyNetCallBack<NewsResponseUpdate>("eventTag") {
 @Override public void onSuccess(NewsResponseUpdate responseUpdate) {
 //仅有效数据时才回调
 List<NewsResponseUpdate.ResultEntity> result = responseUpdate.getResult();
 }
 
 @Override public void onDispatchError(Error error, ErrorInfo e) {
 switch (error) {
 case Internal:
 Toast(e.getObject().toString());
 break;
 case Invalid:
 /**
 * 有返回数据但是是无效的
 */
 NewsResponseUpdate result = e.getObject();
 
 break;
 case NetWork:
 Toast(e.getObject().toString());
 break;
 case Server:
 Toast(e.getObject().toString());
 break;
 case UnKnow:
 Toast(e.getObject().toString());
 break;
 }
 /**
 * 可以统一底层事件tag分发,也可以在这里具体判断
 */
 super.onDispatchError(error, e);
 }
 });
 }

	/**
	 * 针对接口格式和需要的数据在bean内部作一次数据判断,泛型是你需要的数据
	 */
	public class NewsResponseUpdate implements CommonResponse<List<NewsResponseUpdate.ResultEntity>> {
 public String reason;
 public int error_code;
 public List<ResultEntity> result;
 @Override public List<ResultEntity> getResult() {
 return result;
 }
 @Override public void setResult(List<ResultEntity> resultEntities) {
 this.result = resultEntities;
 }
 /**
 * 指定返回正确格式
 */
 @Override public boolean isValid() {
 return error_code == 0;
 }
 public static class ResultEntity {
 public String title;
 public String content;
 public String img_width;
 public String full_title;
 public String pdate;
 public String src;
 public String img_length;
 public String img;
 public String url;
 public String pdate_src;
 }
}

requestLog

 12-08 07:41:54.625 9444-9493/com.hadlink.easynetsample D/you_tag_name: --------------REQUEST START------------
 ---URL:http://japi.juhe.cn/joke/content/list.from?sort=desc&page=1&pagesize=10&time=1418816972&key=d4ac32344201cd2e005c966e08271702 GET in 950.6ms
 ---RES:http/1.1 200 OK
 12-08 07:41:54.625 9444-9493/com.hadlink.easynetsample D/you_tag_name: --------------REQUEST END--------------

setup

compile 'com.hadlink:easynet:1.2.6'

changeLog

author

Acknowledgments