// xUtils的view注解要求必须提供id，以使代码混淆不受影响。
@ViewInject(R.id.textView)
TextView textView;

//@ViewInject(vale=R.id.textView, parentId=R.id.parentView)
//TextView textView;

@ResInject(id = R.string.label, type = ResType.String)
private String label;

// 取消了之前使用方法名绑定事件的方式，使用id绑定不受混淆影响
// 支持绑定多个id @OnClick({R.id.id1, R.id.id2, R.id.id3})
// or @OnClick(value={R.id.id1, R.id.id2, R.id.id3}, parentId={R.id.pid1, R.id.pid2, R.id.pid3})
// 更多事件支持参见ViewCommonEventListener类和包com.lidroid.xutils.view.annotation.event。
@OnClick(R.id.test_button)
public void testButtonClick(View v) { // 方法签名必须和接口中的要求一致
    ...
}
...
//在Activity中注入：
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    ViewUtils.inject(this); //注入view和事件
    ...
    textView.setText("some text...");
    ...
}
//在Fragment中注入：
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.bitmap_fragment, container, false); // 加载fragment布局
    ViewUtils.inject(this, view); //注入view和事件
    ...
}
//在PreferenceFragment中注入：
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    ViewUtils.inject(this, getPreferenceScreen()); //注入view和事件
    ...
}
// 其他重载
// inject(View view);
// inject(Activity activity)
// inject(PreferenceActivity preferenceActivity)
// inject(Object handler, View view)
// inject(Object handler, Activity activity)
// inject(Object handler, PreferenceGroup preferenceGroup)
// inject(Object handler, PreferenceActivity preferenceActivity)

HttpUtils http = new HttpUtils();
http.send(HttpRequest.HttpMethod.GET,
    "http://www.lidroid.com",
    new RequestCallBack<String>(){
        @Override
        public void onLoading(long total, long current, boolean isUploading) {
            testTextView.setText(current + "/" + total);
        }

        @Override
        public void onSuccess(ResponseInfo<String> responseInfo) {
            textView.setText(responseInfo.result);
        }

        @Override
        public void onStart() {
        }

        @Override
        public void onFailure(HttpException error, String msg) {
        }
});

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<String>() {

        @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<String> responseInfo) {
            testTextView.setText("reply: " + responseInfo.result);
        }

        @Override
        public void onFailure(HttpException error, String msg) {
            testTextView.setText(error.getExceptionCode() + ":" + msg);
        }
});

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<File>() {

        @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<File> 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();
...