Android™

Traverse the XML Tree

See more XML Examples

Demonstrates how to traverse all nodes in an XML tree.

Note: This example requires Chilkat v9.5.0.77 or greater.

Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    //  Use the NextInTraversal2 method to traverse all nodes in the XML tree rooted at the caller.

    CkXml xml = new CkXml();

    success = xml.LoadXmlFile("qa_data/xml/twoPigs.xml");

    //  This is the XML traversed in this example:

    //  <pig-rescue>
    //    <herd name="Cathy">
    //  	<species name="pot belly pig">
    //  	    <animal>
    //  	        <name>Molly II</name>
    //  	        <birth>February, 1998</birth>
    //  			<in-date>January, 2000</in-date>
    //  			<from>Middle Ave.</from>
    //  			<gender spay-neuter="yes">F</gender>
    //  			<info>Molly came from a place where an old, ill man had too many animals.
    //  	              	The animals were seldom fed and rats would eat the newborn piglets.
    //  	             	 When Molly was found at one week old, she was the only piglet of 
    //  	              	her siblings who did not get stepped on by a cow. She is a sweet, 
    //  	              	friendly pig who likes to hang out on Cathy's porch on the lounge 
    //  	              	pad.
    //  			</info>
    //  		</animal>
    //  	    <animal>
    //  			<name>Nigel</name>
    //  			<birth>June, 1991</birth>
    //  			<in-date>August, 1991</in-date>
    //  			<from>Breeder</from>
    //  			<gender spay-neuter="no">M</gender>
    //  			<info>
    //  			 	Nigel was the first pig and the reason for the rescue in the
    //  			 	first place. He is 13 now and doing well, but takes a number 
    //  				of medications, as you can see below.
    //  			</info>
    //  		</animal>		
    //  	</species>
    //    </herd>
    //  </pig-rescue>

    //  The sbState is an object used to keep track of the current state of the traversal.
    CkStringBuilder sbState = new CkStringBuilder();
    while (xml.NextInTraversal2(sbState) != false) {

        Log.i(TAG, xml.tag());
        Log.i(TAG, xml.tagPath());
        Log.i(TAG, "");

        }

    //  Produces the following output:

    //  herd
    //  herd
    //  
    //  species
    //  herd|species
    //  
    //  animal
    //  herd|species|animal[0]
    //  
    //  name
    //  herd|species|animal[0]|name
    //  
    //  birth
    //  herd|species|animal[0]|birth
    //  
    //  in-date
    //  herd|species|animal[0]|in-date
    //  
    //  from
    //  herd|species|animal[0]|from
    //  
    //  gender
    //  herd|species|animal[0]|gender
    //  
    //  info
    //  herd|species|animal[0]|info
    //  
    //  animal
    //  herd|species|animal[1]
    //  
    //  name
    //  herd|species|animal[1]|name
    //  
    //  birth
    //  herd|species|animal[1]|birth
    //  
    //  in-date
    //  herd|species|animal[1]|in-date
    //  
    //  from
    //  herd|species|animal[1]|from
    //  
    //  gender
    //  herd|species|animal[1]|gender
    //  
    //  info
    //  herd|species|animal[1]|info
    //  

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}