blocks|key|2269960|text|Xerces扩展了核心库javax，它在安卓系统中引入了这个problem+(由@Avi+Cherry提到)。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2269961|您可以通过使用像JarJar这样的工具重新打包所需的类来克服这个问题。这已经在Xerces-for-Android中完成了，其中mf包被放在“普通”Xerces包的上面。|2269962|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/11090774/5320080|1|https://code.google.com/archive/p/xerces-for-android/^0|C|5|U|7|0|0|1S|2|13|I|1|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@$9|U|A|V|1|W]]|E|$]]|$1|F|3|G|5|6|7|X|8|@$9|Y|A|Z|B|C]]|D|@$9|10|A|11|1|12]]|E|$]]|$1|H|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|I|$J|$5|K|L|M|E|$N|O]]|P|$5|K|L|M|E|$N|Q]]]]

Xerces extends the core library <code>javax</code> which leads to this <a href="https://stackoverflow.com/a/11090774/5320080">problem</a> in Android (mentioned by @Avi Cherry). 

You can overcome this problem by repackaging the needed classes with a tool like JarJar. This has been done in the <a href="https://code.google.com/archive/p/xerces-for-android/" rel="nofollow noreferrer">Xerces-for-Android</a>, wherein the package <code>mf</code> is placed above the "normal" Xerces packages.

blocks|key|5410426|text|您可以查看Androjena；它是Jena到Android平台的移植，它使用Android内置的XML解析器而不是Xerces。希望这能帮上忙，再见！|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5410427|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/p/androjena/^0|5|9|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You can check out <a href="http://code.google.com/p/androjena/" rel="nofollow">Androjena</a>; it's a porting of Jena to the Android platform, and it uses Android's built-in XML parsers instead of Xerces. Hope this helps, bye!

blocks|key|3299213|text|虽然可以在项目中包含Xerces，但是需要将--core-library命令行选项添加到dex工具中。但是您不应该这样做，因为当某个SDK版本最终支持javax/xml/parsers/DocumentBuilder.class+(例如)时，您的应用程序可能会崩溃。相反，您可能应该使用jarjar实用程序将xerces重新打包到一个具有惟一包名的自包含库中。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3299214|请注意，如果包含不带--core-library选项的java或javax包，'dex‘给出的错误消息包含以下短语：|3299215|3299216|你走的这条路最终会导致痛苦、痛苦、悲伤和悲哀。|blockquote|3299217|3299218|3299219|该错误消息还建议您使用JarJar重新打包该库。|3299220|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/p/jarjar/^0|3Z|6|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|10|8|@]|9|@]|C|$]]|$1|G|3|H|5|I|7|11|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|12|8|@]|9|@]|C|$]]|$1|K|3|-4|5|6|7|13|8|@]|9|@]|C|$]]|$1|L|3|M|5|6|7|14|8|@]|9|@]|C|$]]|$1|N|3|-4|5|6|7|15|8|@]|9|@]|C|$]]]|O|$P|$5|Q|R|S|C|$T|U]]]]

While you -can- include Xerces in your project, you need to add the --core-library command-line option to the dex tool. But you shouldn't do this, because when the javax/xml/parsers/DocumentBuilder.class class (for example) IS finally supported by an SDK version, your application will likely break. Instead, you should probably use the <a href="http://code.google.com/p/jarjar/" rel="nofollow">jarjar</a> utility to re-package xerces into a self-contained library with unique package names.

Note that the error message that 'dex' gives you if you include a java or javax package WITHOUT the --core-library option, involves the phrase:

<blockquote>
 the path you are on will ultimately lead to pain, suffering, grief, and lamentation.
</blockquote>

The same error message also suggests that you use JarJar to repackage the library.

blocks|key|2264622|text|我发现我不能让常规的xerces在Android上工作，但是我找到了Xerces-for-Android，我开始工作了。以下是设置的详细信息和一些示例代码。祝你好运:)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2264623|下面的方法对我很有效：|2264624|2264625|创建验证实用程序。|ordered-list-item|2264626|将xml和xsd都放入安卓操作系统的文件中，并对其使用验证实用程序。|2264627|使用Xerces--+android进行验证。|2264628|2264629|Android确实支持一些我们可以使用的包，我创建了我的xml验证工具，基于：http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html|offset|length|2264630|我最初在java上的沙箱测试相当顺利，然后我试着把它移植到Dalvik上，发现我的代码无法工作。有些东西在Dalvik上是不支持的，所以我做了一些修改。|2264631|我发现了一个对xerces+for+android的引用，所以我修改了我的沙盒测试(下面的例子不适用于安卓，后面的例子使用)：|style|BOLD|2264632|import+java.io.File;

import+javax.xml.XMLConstants;
import+javax.xml.parsers.DocumentBuilder;
import+javax.xml.parsers.DocumentBuilderFactory;
import+javax.xml.transform.Source;
import+javax.xml.transform.dom.DOMSource;
import+javax.xml.transform.stream.StreamSource;
import+javax.xml.validation.Schema;
import+javax.xml.validation.SchemaFactory;
import+javax.xml.validation.Validator;

import+org.w3c.dom.Document;

/**
+*+A+Utility+to+help+with+xml+communication+validation.
+*/
public+class+XmlUtil+{

++++/**
+++++*+Validation+method.+
+++++*+Base+code/example+from:+http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html
+++++*+
+++++*+@param+xmlFilePath+The+xml+file+we+are+trying+to+validate.
+++++*+@param+xmlSchemaFilePath+The+schema+file+we+are+using+for+the+validation.+This+method+assumes+the+schema+file+is+valid.
+++++*+@return+True+if+valid,+false+if+not+valid+or+bad+parse.+
+++++*/
++++public+static+boolean+validate(String+xmlFilePath,+String+xmlSchemaFilePath)+{

++++++++//+parse+an+XML+document+into+a+DOM+tree
++++++++DocumentBuilder+parser+=+null;
++++++++Document+document;

++++++++//+Try+the+validation,+we+assume+that+if+there+are+any+issues+with+the+validation
++++++++//+process+that+the+input+is+invalid.
++++++++try+{
++++++++++++//+validate+the+DOM+tree
++++++++++++parser+=+DocumentBuilderFactory.newInstance().newDocumentBuilder();
++++++++++++document+=+parser.parse(new+File(xmlFilePath));

++++++++++++//+create+a+SchemaFactory+capable+of+understanding+WXS+schemas
++++++++++++SchemaFactory+factory+=+SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

++++++++++++//+load+a+WXS+schema,+represented+by+a+Schema+instance
++++++++++++Source+schemaFile+=+new+StreamSource(new+File(xmlSchemaFilePath));
++++++++++++Schema+schema+=+factory.newSchema(schemaFile);

++++++++++++//+create+a+Validator+instance,+which+can+be+used+to+validate+an+instance+document
++++++++++++Validator+validator+=+schema.newValidator();
++++++++++++validator.validate(new+DOMSource(document));
++++++++}+catch+(Exception+e)+{
++++++++++++//+Catches:+SAXException,+ParserConfigurationException,+and+IOException.
++++++++++++return+false;
++++++++}+++++

++++++++return+true;
++++}
}|code-block|syntax|javascript|2264633|为了与xerces+for+android+(http://gc.codehum.com/p/xerces-for-android/)一起工作，必须对上面的代码进行一些修改。您需要SVN才能获得项目，以下是一些婴儿备注：|2264634|download+xerces-for-android
++++download+silk+svn+(for+windows+users)+from+http://www.sliksvn.com/en/download
++++++++install+silk+svn+(I+did+complete+install)
++++++++Once+the+install+is+complete,+you+should+have+svn+in+your+system+path.
++++++++Test+by+typing+"svn"+from+the+command+line.
++++++++I+went+to+my+desktop+then+downloaded+the+xerces+project+by:
++++++++++++svn+checkout+http://xerces-for-android.googlecode.com/svn/trunk/+xerces-for-android-read-only
++++++++You+should+then+have+a+new+folder+on+your+desktop+called+xerces-for-android-read-only|2264635|使用上面的jar+(最终我会将其放入jar中，只需将其直接复制到我的源码中以进行快速测试。如果您希望做同样的事情，您可以使用Ant+(http://ant.apache.org/manual/using.html)快速创建jar+)，我可以将以下内容用于我的xml验证：|2264636|import+java.io.File;
import+java.io.IOException;

import+mf.javax.xml.transform.Source;
import+mf.javax.xml.transform.stream.StreamSource;
import+mf.javax.xml.validation.Schema;
import+mf.javax.xml.validation.SchemaFactory;
import+mf.javax.xml.validation.Validator;
import+mf.org.apache.xerces.jaxp.validation.XMLSchemaFactory;

import+org.xml.sax.SAXException;

/**
+*+A+Utility+to+help+with+xml+communication+validation.
+*/public+class+XmlUtil+{

++++/**
+++++*+Validation+method.+
+++++*+
+++++*+@param+xmlFilePath+The+xml+file+we+are+trying+to+validate.
+++++*+@param+xmlSchemaFilePath+The+schema+file+we+are+using+for+the+validation.+This+method+assumes+the+schema+file+is+valid.
+++++*+@return+True+if+valid,+false+if+not+valid+or+bad+parse+or+exception/error+during+parse.+
+++++*/
++++public+static+boolean+validate(String+xmlFilePath,+String+xmlSchemaFilePath)+{

++++++++//+Try+the+validation,+we+assume+that+if+there+are+any+issues+with+the+validation
++++++++//+process+that+the+input+is+invalid.
++++++++try+{
++++++++++++SchemaFactory++factory+=+new+XMLSchemaFactory();
++++++++++++Source+schemaFile+=+new+StreamSource(new+File(xmlSchemaFilePath));
++++++++++++Source+xmlSource+=+new+StreamSource(new+File(xmlFilePath));
++++++++++++Schema+schema+=+factory.newSchema(schemaFile);
++++++++++++Validator+validator+=+schema.newValidator();
++++++++++++validator.validate(xmlSource);
++++++++}+catch+(SAXException+e)+{
++++++++++++return+false;
++++++++}+catch+(IOException+e)+{
++++++++++++return+false;
++++++++}+catch+(Exception+e)+{
++++++++++++//+Catches+everything+beyond:+SAXException,+and+IOException.
++++++++++++e.printStackTrace();
++++++++++++return+false;
++++++++}+catch+(Error+e)+{
++++++++++++//+Needed+this+for+debugging+when+I+was+having+issues+with+my+1st+set+of+code.
++++++++++++e.printStackTrace();
++++++++++++return+false;
++++++++}

++++++++return+true;
++++}
}|2264637|一些旁注：|2264638|为了创建文件，我创建了一个简单的文件实用程序来将字符串写入文件：|2264639|public+static+void+createFileFromString(String+fileText,+String+fileName)+{
++++try+{
++++++++File+file+=+new+File(fileName);
++++++++BufferedWriter+output+=+new+BufferedWriter(new+FileWriter(file));
++++++++output.write(fileText);
++++++++output.close();
++++}+catch+(+IOException+e+)+{
+++++++e.printStackTrace();
++++}
}|2264640|我还需要写到我有权访问的区域，所以我使用了：|2264641|String+path+=+this.getActivity().getPackageManager().getPackageInfo(getPackageName(),+0).applicationInfo.dataDir;+++|2264642|有点老土，这很管用。我相信有一种更简洁的方法可以做到这一点，但我认为我应该分享我的成功，因为我找不到任何好的例子。|2264643|entityMap|0|LINK|mutability|MUTABLE|url|http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html|1|http://gc.codehum.com/p/xerces-for-android/|2|http://ant.apache.org/manual/using.html^0|0|0|0|0|0|0|0|13|2E|0|0|0|16|J|0|0|N|17|1|0|0|1V|13|2|0|0|0|5|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1Y|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|20|8|@]|9|@]|A|$]]|$1|H|3|I|5|G|7|21|8|@]|9|@]|A|$]]|$1|J|3|K|5|G|7|22|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|23|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|24|8|@]|9|@$O|25|P|26|1|27]]|A|$]]|$1|Q|3|R|5|6|7|28|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|29|8|@$O|2A|P|2B|U|V]]|9|@]|A|$]]|$1|W|3|X|5|Y|7|2C|8|@]|9|@]|A|$Z|10]]|$1|11|3|12|5|6|7|2D|8|@]|9|@$O|2E|P|2F|1|2G]]|A|$]]|$1|13|3|14|5|Y|7|2H|8|@]|9|@]|A|$Z|10]]|$1|15|3|16|5|6|7|2I|8|@]|9|@$O|2J|P|2K|1|2L]]|A|$]]|$1|17|3|18|5|Y|7|2M|8|@]|9|@]|A|$Z|10]]|$1|19|3|1A|5|6|7|2N|8|@$O|2O|P|2P|U|V]]|9|@]|A|$]]|$1|1B|3|1C|5|6|7|2Q|8|@]|9|@]|A|$]]|$1|1D|3|1E|5|Y|7|2R|8|@]|9|@]|A|$Z|10]]|$1|1F|3|1G|5|6|7|2S|8|@]|9|@]|A|$]]|$1|1H|3|1I|5|Y|7|2T|8|@]|9|@]|A|$Z|10]]|$1|1J|3|1K|5|6|7|2U|8|@]|9|@]|A|$]]|$1|1L|3|-4|5|6|7|2V|8|@]|9|@]|A|$]]]|1M|$1N|$5|1O|1P|1Q|A|$1R|1S]]|1T|$5|1O|1P|1Q|A|$1R|1U]]|1V|$5|1O|1P|1Q|A|$1R|1W]]]]

I found I was not able to get the regular xerces to work with Android, however I did find Xerces-for-Android, which I got working. The following are details of the setup and some example code. Good luck :)

The following worked for me:

<ol>
<li>Create a validation utility.</li>
<li>Get both the xml and xsd into file on the android OS and use the validation utility against it.</li>
<li>Use Xerces-For-Android to do the validation.</li>
</ol>

Android does support some packages which we can use, I created my xml validation utility based on: <a href="http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html" rel="nofollow">http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html</a>

My initial sandbox testing was pretty smooth with java, then I tried to port it over to Dalvik and found that my code did not work. Some things just aren't supported the same with Dalvik, so I made some modifications.

I found a reference to xerces for android, so I modified my sandbox test of (the following doesn't work with android, the example after this does): 

<pre><code>import java.io.File;

import javax.xml.XMLConstants;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;

import org.w3c.dom.Document;

/**
 * A Utility to help with xml communication validation.
 */
public class XmlUtil {

 /**
 * Validation method. 
 * Base code/example from: http://docs.oracle.com/javase/1.5.0/docs/api/javax/xml/validation/package-summary.html
 * 
 * @param xmlFilePath The xml file we are trying to validate.
 * @param xmlSchemaFilePath The schema file we are using for the validation. This method assumes the schema file is valid.
 * @return True if valid, false if not valid or bad parse. 
 */
 public static boolean validate(String xmlFilePath, String xmlSchemaFilePath) {

 // parse an XML document into a DOM tree
 DocumentBuilder parser = null;
 Document document;

 // Try the validation, we assume that if there are any issues with the validation
 // process that the input is invalid.
 try {
 // validate the DOM tree
 parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
 document = parser.parse(new File(xmlFilePath));

 // create a SchemaFactory capable of understanding WXS schemas
 SchemaFactory factory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);

 // load a WXS schema, represented by a Schema instance
 Source schemaFile = new StreamSource(new File(xmlSchemaFilePath));
 Schema schema = factory.newSchema(schemaFile);

 // create a Validator instance, which can be used to validate an instance document
 Validator validator = schema.newValidator();
 validator.validate(new DOMSource(document));
 } catch (Exception e) {
 // Catches: SAXException, ParserConfigurationException, and IOException.
 return false;
 } 

 return true;
 }
}
</code></pre>

The above code had to be modified some to work with xerces for android (<a href="http://gc.codehum.com/p/xerces-for-android/" rel="nofollow">http://gc.codehum.com/p/xerces-for-android/</a>). You need SVN to get the project, the following are some crib notes:

<pre><code>download xerces-for-android
 download silk svn (for windows users) from http://www.sliksvn.com/en/download
 install silk svn (I did complete install)
 Once the install is complete, you should have svn in your system path.
 Test by typing "svn" from the command line.
 I went to my desktop then downloaded the xerces project by:
 svn checkout http://xerces-for-android.googlecode.com/svn/trunk/ xerces-for-android-read-only
 You should then have a new folder on your desktop called xerces-for-android-read-only
</code></pre>

With the above jar (Eventually I'll make it into a jar, just copied it directly into my source for quick testing. If you wish to do the same, you can making the jar quickly with Ant (<a href="http://ant.apache.org/manual/using.html" rel="nofollow">http://ant.apache.org/manual/using.html</a>)), I was able to get the following to work for my xml validation:

<pre><code>import java.io.File;
import java.io.IOException;

import mf.javax.xml.transform.Source;
import mf.javax.xml.transform.stream.StreamSource;
import mf.javax.xml.validation.Schema;
import mf.javax.xml.validation.SchemaFactory;
import mf.javax.xml.validation.Validator;
import mf.org.apache.xerces.jaxp.validation.XMLSchemaFactory;

import org.xml.sax.SAXException;

/**
 * A Utility to help with xml communication validation.
 */public class XmlUtil {

 /**
 * Validation method. 
 * 
 * @param xmlFilePath The xml file we are trying to validate.
 * @param xmlSchemaFilePath The schema file we are using for the validation. This method assumes the schema file is valid.
 * @return True if valid, false if not valid or bad parse or exception/error during parse. 
 */
 public static boolean validate(String xmlFilePath, String xmlSchemaFilePath) {

 // Try the validation, we assume that if there are any issues with the validation
 // process that the input is invalid.
 try {
 SchemaFactory factory = new XMLSchemaFactory();
 Source schemaFile = new StreamSource(new File(xmlSchemaFilePath));
 Source xmlSource = new StreamSource(new File(xmlFilePath));
 Schema schema = factory.newSchema(schemaFile);
 Validator validator = schema.newValidator();
 validator.validate(xmlSource);
 } catch (SAXException e) {
 return false;
 } catch (IOException e) {
 return false;
 } catch (Exception e) {
 // Catches everything beyond: SAXException, and IOException.
 e.printStackTrace();
 return false;
 } catch (Error e) {
 // Needed this for debugging when I was having issues with my 1st set of code.
 e.printStackTrace();
 return false;
 }

 return true;
 }
}
</code></pre>

Some Side Notes:

For creating the files, I made a simple file utility to write string to files:

<pre><code>public static void createFileFromString(String fileText, String fileName) {
 try {
 File file = new File(fileName);
 BufferedWriter output = new BufferedWriter(new FileWriter(file));
 output.write(fileText);
 output.close();
 } catch ( IOException e ) {
 e.printStackTrace();
 }
}
</code></pre>

I also needed to write to an area that I had access to, so I made use of:

<pre><code>String path = this.getActivity().getPackageManager().getPackageInfo(getPackageName(), 0).applicationInfo.dataDir; 
</code></pre>

A little hackish, it works. I'm sure there is a more succinct way of doing this, however I figured I'd share my success, as there weren't any good examples that I found.

blocks|key|3299193|text|你可以在Android上使用Xerces。只需将Xerces+jar放入lib目录，并将其添加到我们的Android路径。当项目构建完成时，它会将Xerces字节码转换为Android/Dalvik字节码，并将其绑定到您的APK中。我已经在我的项目中成功地使用了它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3299194|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

You can use Xerces on Android. Simply place the Xerces jar into your lib directory and add it to our Android path. When the project gets built it will translate the Xerces byte code into Android/Dalvik bytecode and bundle it into your APK. I've used it successfully on my project.

I found several references in the mailinglist archive about Xerces, but it is still not clear to me if it is possible use Xerces succesfully in Android. Could you please provide me this information?

If the answer is Yes, could you please give me some tips or references on how use Xerces instead of default Android XML parser?

Thanks in advance for your support

kind regards
Barbara

Xerces on Android

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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功能1上新10个字符

功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符功能2描述100个字符。

功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符功能2上新100个字符。

功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符功能5描述100个字符

功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符功能5上新100个字符

功能4上新

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社区富文本编辑器全新改版！诚邀体验～ 

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社区富文本&Markdown编辑器全新改版上线，欢迎大家体验!

诚挚邀请您参与本次调研，分享您的真实使用感受与建议。您的反馈至关重要，感谢您的支持与参与！

社区新版编辑器体验调研

我在mailinglist归档中找到了一些关于Xerces的参考资料，但我仍然不清楚是否可以在Android中成功地使用Xerces。你能给我提供这个信息吗？如果答案是肯定的，您能给我一些关于如何使用Xerces而不是默认的Android XML解析器的提示或参考吗？提前感谢您的支持kind向芭芭拉致敬

问Xerces on Android
EN

回答 5

Stack Overflow用户

Stack Overflow用户

Stack Overflow用户

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问Xerces on AndroidEN

回答 5

Stack Overflow用户

Stack Overflow用户

Stack Overflow用户

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活动

圈层

关于

腾讯云开发者

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问Xerces on Android
EN