How to use

loadDocument

method

in

brut.androlib.res.xml.ResXmlPatcher

/**
 * Finds key in strings.xml file and returns text value
 *
 * @param directory Root directory of apk
 * @param key String reference (ie @string/foo)
 * @return String|null
 * @throws AndrolibException
 */
public static String pullValueFromStrings(File directory, String key) throws AndrolibException {
  if (key == null || ! key.contains("@")) {
    return null;
  }
  File file = new File(directory, "/res/values/strings.xml");
  key = key.replace("@string/", "");
  if (file.exists()) {
    try {
      Document doc = loadDocument(file);
      XPath xPath = XPathFactory.newInstance().newXPath();
      XPathExpression expression = xPath.compile("/resources/string[@name=" + '"' + key + "\"]/text()");
      Object result = expression.evaluate(doc, XPathConstants.STRING);
      if (result != null) {
        return (String) result;
      }
    }  catch (SAXException | ParserConfigurationException | IOException | XPathExpressionException ignored) {
    }
  }
  return null;
}

/**
 * Replaces package value with passed packageOriginal string
 *
 * @param file File for AndroidManifest.xml
 * @param packageOriginal Package name to replace
 * @throws AndrolibException
 */
public static void renameManifestPackage(File file, String packageOriginal) throws AndrolibException {
  try {
    Document doc = loadDocument(file);
    // Get the manifest line
    Node manifest = doc.getFirstChild();
    // update package attribute
    NamedNodeMap attr = manifest.getAttributes();
    Node nodeAttr = attr.getNamedItem("package");
    nodeAttr.setNodeValue(packageOriginal);
    saveDocument(file, doc);
  } catch (SAXException | ParserConfigurationException | IOException | TransformerException ignored) {
  }
}

/**
 * Removes "debug" tag from file
 *
 * @param file AndroidManifest file
 * @throws AndrolibException
 */
public static void removeApplicationDebugTag(File file) throws AndrolibException {
  if (file.exists()) {
    try {
      Document doc = loadDocument(file);
      Node application = doc.getElementsByTagName("application").item(0);
      // load attr
      NamedNodeMap attr = application.getAttributes();
      Node debugAttr = attr.getNamedItem("android:debuggable");
      // remove application:debuggable
      if (debugAttr != null) {
        attr.removeNamedItem("android:debuggable");
      }
      saveDocument(file, doc);
    } catch (SAXException | ParserConfigurationException | IOException | TransformerException ignored) {
    }
  }
}

/**
 * Removes attributes like "versionCode" and "versionName" from file.
 *
 * @param file File representing AndroidManifest.xml
 * @throws AndrolibException
 */
public static void removeManifestVersions(File file) throws AndrolibException {
  if (file.exists()) {
    try {
      Document doc = loadDocument(file);
      Node manifest = doc.getFirstChild();
      NamedNodeMap attr = manifest.getAttributes();
      Node vCode = attr.getNamedItem("android:versionCode");
      Node vName = attr.getNamedItem("android:versionName");
      if (vCode != null) {
        attr.removeNamedItem("android:versionCode");
      }
      if (vName != null) {
        attr.removeNamedItem("android:versionName");
      }
      saveDocument(file, doc);
    } catch (SAXException | ParserConfigurationException | IOException | TransformerException ignored) {
    }
  }
}

if (file.exists()) {
  try {
    Document doc = loadDocument(file);
    XPath xPath = XPathFactory.newInstance().newXPath();
    XPathExpression expression = xPath.compile("/manifest/application/provider");