(Chilkat for Android™ API)
Traverse Direct Children via FirstChild / NextSibling, or LastChild / PreviousSibling

Demonstrates some ways to iterate over direct child nodes using the FirstChild / NextSibling and LastChild / PreviousSibling methods.

The input XML, available at http://www.chilkatsoft.com/data/fruit.xml, is this:

<root>
    <fruit color="red">apple</fruit>
    <fruit color="green">pear</fruit>
    <veg color="orange">carrot</veg>
    <meat animal="cow">beef</meat>
    <xyz>
        <fruit color="blue">blueberry</fruit>
        <veg color="green">broccoli</veg>
    </xyz>
    <fruit color="purple">grape</fruit>
    <cheese color="yellow">cheddar</cheese>
</root>

Download: Chilkat for Android™ Java Libraries

// 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 {
  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    TextView tv = new TextView(this);
    String outStr = "";

    CkXml xml = new CkXml();
    CkXml child;
    CkXml nextSibling;
    CkXml prevSibling;

    boolean success;
    //  The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
    success = xml.LoadXmlFile("fruit.xml");
    if (success != true) {
        outStr += xml.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    //  Iterate over the direct children by using FirstChild / NextSibling
    child = xml.FirstChild();
    while (!(child == null )) {
        outStr += child.tag() + " : "
             + child.content() + "\n";
        nextSibling = child.NextSibling();

        child = nextSibling;
    }

    outStr += "-----" + "\n";

    //  Do the same, but with FirstChild2 / NextSibling2 to avoid
    //  creating so many XML object instances:
    success = xml.FirstChild2();
    while (success == true) {
        outStr += xml.tag() + " : " + xml.content() + "\n";
        success = xml.NextSibling2();
    }

    //  Revert back up to the parent:
    xml.GetParent2();

    outStr += "-----" + "\n";

    //  Iterate in reverse order using LastChild / PreviousSibling
    child = xml.LastChild();
    while (!(child == null )) {
        outStr += child.tag() + " : "
             + child.content() + "\n";
        prevSibling = child.PreviousSibling();

        child = prevSibling;
    }

    outStr += "-----" + "\n";

    //  Do the same, but with LastChild2 / PreviousSibling2 to avoid
    //  creating so many XML object instances:
    success = xml.LastChild2();
    while (success == true) {
        outStr += xml.tag() + " : " + xml.content() + "\n";
        success = xml.PreviousSibling2();
    }

    //  Revert back up to the parent:
    xml.GetParent2();

    tv.setText(outStr);
    setContentView(tv);
  }

  static {
      // Important: Make sure the name passed to loadLibrary matches the shared library
      // found in your project's libs/armeabi directory.
      //  for "libchilkat.so", pass "chilkat" to loadLibrary
      //  for "libchilkatemail.so", pass "chilkatemail" to loadLibrary
      //  etc.
      // 
      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."
  }
}