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xUtils有四大模块： 数据库DbUtils,控件ViewUtils,网络ViewUtils,图片BitmapUtils // get 提交

HttpUtils http = new HttpUtils();http.send(HttpRequest.HttpMethod.GET,    "http://www.lidroid.com",    new RequestCallBack
   
    (){        @Override        public void onLoading(long total, long current, boolean isUploading) {            testTextView.setText(current + "/" + total);        }        @Override        public void onSuccess(ResponseInfo
    
      responseInfo) {            textView.setText(responseInfo.result);        }        @Override        public void onStart() {        }        @Override        public void onFailure(HttpException error, String msg) {        }});
    
   

// Post 提交数据，或者上传文件

RequestParams params = new RequestParams();params.addHeader("name", "value");params.addQueryStringParameter("name", "value");// 只包含字符串参数时默认使用BodyParamsEntity，// 类似于UrlEncodedFormEntity（"application/x-www-form-urlencoded"）。params.addBodyParameter("name", "value");// 加入文件参数后默认使用MultipartEntity（"multipart/form-data"），// 如需"multipart/related"，xUtils中提供的MultipartEntity支持设置subType为"related"。// 使用params.setBodyEntity(httpEntity)可设置更多类型的HttpEntity（如：// MultipartEntity,BodyParamsEntity,FileUploadEntity,InputStreamUploadEntity,StringEntity）。// 例如发送json参数：params.setBodyEntity(new StringEntity(jsonStr,charset));params.addBodyParameter("file", new File("path"));...HttpUtils http = new HttpUtils();http.send(HttpRequest.HttpMethod.POST,    "uploadUrl....",    params,    new RequestCallBack
   
    () {        @Override        public void onStart() {            testTextView.setText("conn...");        }        @Override        public void onLoading(long total, long current, boolean isUploading) {            if (isUploading) {                testTextView.setText("upload: " + current + "/" + total);            } else {                testTextView.setText("reply: " + current + "/" + total);            }        }        @Override        public void onSuccess(ResponseInfo
    
      responseInfo) {            testTextView.setText("reply: " + responseInfo.result);        }        @Override        public void onFailure(HttpException error, String msg) {            testTextView.setText(error.getExceptionCode() + ":" + msg);        }});
    
   

// 下载文件

HttpUtils http = new HttpUtils();HttpHandler handler = http.download("http://apache.dataguru.cn/httpcomponents/httpclient/source/httpcomponents-client-4.2.5-src.zip",    "/sdcard/httpcomponents-client-4.2.5-src.zip",    true, // 如果目标文件存在，接着未完成的部分继续下载。服务器不支持RANGE时将从新下载。    true, // 如果从请求返回信息中获取到文件名，下载完成后自动重命名。    new RequestCallBack
   
    () {        @Override        public void onStart() {            testTextView.setText("conn...");        }        @Override        public void onLoading(long total, long current, boolean isUploading) {            testTextView.setText(current + "/" + total);        }        @Override        public void onSuccess(ResponseInfo
    
      responseInfo) {            testTextView.setText("downloaded:" + responseInfo.result.getPath());        }        @Override        public void onFailure(HttpException error, String msg) {            testTextView.setText(msg);        }});...//调用cancel()方法停止下载handler.cancel();...
    
   

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