// ?application?onCreate???? @Override public void onCreate() {

  super.onCreate();

  x.Ext.init(this);

  x.Ext.setDebug(BuildConfig.DEBUG);
 // ????debug??, ??debug?????.
  ... 
}

/**  * 1. ????????,  * 2. ?????????type???Listener????.  * 3. ????value????: value={
id1, id2, id3
}
  * 4. ???????{
@link org.xutils.event.annotation.Event
}
????.  **/ @Event(value = R.id.btn_test_baidu1,

type = View.OnClickListener.class/*????, ???View.OnClickListener.class*/) private void onTestBaidu1Click(View view) {
 ... 
}

/**  * ???????????:  * ???? {
@link org.xutils.http.annotation.HttpRequest
}
  * ?????????? {
@link org.xutils.http.app.ParamsBuilder
}
  *  * ?????????callback????, ??:  * ???? {
@link org.xutils.http.annotation.HttpResponse
}
  * ?????????? {
@link org.xutils.http.app.ResponseParser
}
  *  * ??: ?? org.xutils.sample.http ?????  */ BaiduParams params = new BaiduParams();
 params.wd = "xUtils"; // ????????multipart??, ?????????. // params.setMultipart(true);
 // ?????? 1 // params.uploadFile = new File("/sdcard/test.txt");
 // ?????? 2 // params.addBodyParameter("uploadFile", new File("/sdcard/test.txt"));
 Callback.Cancelable cancelable

  = x.http().get(params,

  /** 

  * 1. callback???: 

  * callback?????????????{
@link org.xutils.http.loader.LoaderFactory
}
, 

  * ??: ?????File????????, ??params.setSaveFilePath(path)??????????. 

  * ????????(???????????????????). 

  * ???????????LoaderFactory???, 

  * ?????{
@link org.xutils.http.annotation.HttpResponse
}
 

  * ???HttpResponse???????????, ?????ResponseParser???????. 

  * ??????json??, ????????json????????????ResponseParser. 

  * ?????{
@link org.xutils.sample.http.BaiduResponse
}
, ?????BaiduResponse?? 

  * callback???. 

  * 

  * 2. callback???: 

  * ??????????????Callback, ?{
@link org.xutils.common.Callback
}
. 

  * ??: 

  * a. ????CacheCallback????????????????(?GET????). 

  * b. ????PrepareCallback?prepare????callback???????????????, 

  * ??????onCache?onSuccess. 

  * c. ????ProgressCallback???????. 

  * ...(???{
@link org.xutils.image.ImageLoader
}
 

  * ? ?????? {
@link org.xutils.sample.download.DownloadCallback
}
) 

  * 

  * 3. ???????????: ?? {
@link org.xutils.http.app.RequestTracker
}
 

  * 

  * 4. ??Header??: ?? {
@link org.xutils.http.app.RequestInterceptListener
}
 

  * 

  * 5. ??(???, ??, ???, ??, ???): ?? {
@link org.xutils.http.RequestParams
}
 

  * 

  **/

  new Callback.CommonCallback<String>() {

@Override

public void onSuccess(String result) {

 Toast.makeText(x.app(), result, Toast.LENGTH_LONG).show();

}

 @Override

public void onError(Throwable ex, boolean isOnCallback) {

 //Toast.makeText(x.app(), ex.getMessage(), Toast.LENGTH_LONG).show();


 if (ex instanceof HttpException) {
 // ????

  HttpException httpEx = (HttpException) ex;

  int responseCode = httpEx.getCode();

  String responseMsg = httpEx.getMessage();

  String errorResult = httpEx.getResult();

  // ...

 
}
 else {
 // ????

  // ...

 
}

 Toast.makeText(x.app(), ex.getMessage(), Toast.LENGTH_LONG).show();

}

 @Override

public void onCancelled(CancelledException cex) {

 Toast.makeText(x.app(), "cancelled", Toast.LENGTH_LONG).show();

}

 @Override

public void onFinished() {

 
}

  
}
);
  // cancelable.cancel();
 // ????

@Event(value = R.id.btn_test_baidu2) private void onTestBaidu2Click(View view) {

  RequestParams params = new RequestParams("https://www.baidu.com/s");

  params.setSslSocketFactory(...);
 // ??ssl
  params.addQueryStringParameter("wd", "xUtils");

  x.http().get(params, new Callback.CommonCallback<String>() {

@Override

public void onSuccess(String result) {

 Toast.makeText(x.app(), result, Toast.LENGTH_LONG).show();

}

 @Override

public void onError(Throwable ex, boolean isOnCallback) {

 Toast.makeText(x.app(), ex.getMessage(), Toast.LENGTH_LONG).show();

}

 @Override

public void onCancelled(CancelledException cex) {

 Toast.makeText(x.app(), "cancelled", Toast.LENGTH_LONG).show();

}

 @Override

public void onFinished() {

 
}

  
}
);
 
}

BaiduParams params = new BaiduParams();
 params.wd = "xUtils"; // ????????, ??:??.(???????????max-age?Expires) params.setCacheMaxAge(1000 * 60);
 Callback.Cancelable cancelable

// ??CacheCallback, xUtils?????????.
= x.http().get(params, new Callback.CacheCallback<String>() {

private boolean hasError = false;  private String result = null;
@Override  public boolean onCache(String result) {

// ??????, ?????????????.
// ?????????????, ??params.setCacheMaxAge(maxAge)??.

//

// * ???????????? header ? max-age ? expires ?????????? onCache ??.

//
????????? max-age ? expires, ?????????, ???????????false?

//
??, ??xUtils??????, ????.

//

// * ????????? true, ???????;

//
?? false ??????, ?????????ETag, Last-Modified???,

//
???????304, ?????????, ???????.

//

this.result = result;

return false; // true: ??????, ????????; false???????.  
}

@Override  public void onSuccess(String result) {

// ??: ??????304 ? onCache ???????, ??result?null.

if (result != null) {

 this.result = result;

}
  
}

@Override  public void onError(Throwable ex, boolean isOnCallback) {

hasError = true;
Toast.makeText(x.app(), ex.getMessage(), Toast.LENGTH_LONG).show();

if (ex instanceof HttpException) {
 // ????
 HttpException httpEx = (HttpException) ex;
 int responseCode = httpEx.getCode();

 String responseMsg = httpEx.getMessage();

 String errorResult = httpEx.getResult();

 // ...

}
 else {
 // ????
 // ...

}
  
}

@Override  public void onCancelled(CancelledException cex) {

Toast.makeText(x.app(), "cancelled", Toast.LENGTH_LONG).show();
  
}

@Override  public void onFinished() {

if (!hasError && result != null) {

 // ??????
 Toast.makeText(x.app(), result, Toast.LENGTH_LONG).show();

}
  
}
 
}
);

Parent test = db.selector(Parent.class).where("id", "in", new int[]{
1, 3, 6
}
).findFirst();
 long count = db.selector(Parent.class).where("name", "LIKE", "w%").and("age", ">", 32).count();
 List<Parent> testList = db.selector(Parent.class).where("id", "between", new String[]{
"1", "5"
}
).findAll();

x.image().bind(imageView, url, imageOptions);
  // assets file x.image().bind(imageView, "assets://test.gif", imageOptions);
  // local file x.image().bind(imageView, new File("/sdcard/test.gif").toURI().toString(), imageOptions);
 x.image().bind(imageView, "/sdcard/test.gif", imageOptions);
 x.image().bind(imageView, "file:///sdcard/test.gif", imageOptions);
 x.image().bind(imageView, "file:/sdcard/test.gif", imageOptions);
  x.image().bind(imageView, url, imageOptions, new Callback.CommonCallback<Drawable>() {
...
}
);
 x.image().loadDrawable(url, imageOptions, new Callback.CommonCallback<Drawable>() {
...
}
);
 // ???????? x.image().loadFile(url, imageOptions, new Callback.CommonCallback<File>() {
...
}
);