How to use

Tree

in

com.musala.atmosphere.commons.util.structure.tree

  /**
   * Builds a {@link Tree tree} with {@link AccessibilityElement} based on the given root
   * {@link AccessibilityNodeInfo}.
   *
   * @param root
   *        - the root {@link AccessibilityNodeInfo} on which the {@link Tree tree} is being built
   * @param visibleOnly
   *        - if <code>true</code> only the visible nodes will be used; if <code>false</code> all nodes will be used
   * @return a {@link Tree tree} with {@link AccessibilityElement} based on the given root
   *         {@link AccessibilityNodeInfo}
   */

  public static Tree<AccessibilityElement> buildTree(AccessibilityNodeInfo root, boolean visibleOnly) {
    Node<AccessibilityElement> rootNode = buildNode(root, 0, visibleOnly);
    Tree<AccessibilityElement> builtTree = new Tree<AccessibilityElement>(rootNode);
    return builtTree;
  }
}

/**
 * Produces XML representation of the provided {@link AccessibilityElement accessibility elements} hierarchy,
 * compatible with the Android`s AccessibilityNodeInfo XML dump (and the screen dump as it is the same thing).
 * 
 * @param hierarchy
 *        - the hierarchy of {@link AccessibilityElement elements} as a tree
 * @return the hierarchy as an XML document
 */
public static String serialize(Tree<AccessibilityElement> hierarchy) {
  AccessibilityXmlSerializer serializer = new AccessibilityXmlSerializer();
  serializer.startTag("hierarchy");
  // if the hierarchy starts to contain information about the rotation this should be changed
  serializer.addAttribute("rotation", "0");
  serialize(hierarchy.getRoot(), serializer);
  serializer.endTag("hierarchy");
  return serializer.xmlBuilder.toString();
}