(Chilkat for Android™ API)
XML SearchForAttribute Method

Demonstrates the SearchForAttribute method.

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

<root>
    <searchRoot>
        <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>
    </searchRoot>
    <fruit color="red">strawberry</fruit>
    <fruit color="orange">peach</fruit>
    <root></root>
</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 xSearchRoot;
    CkXml xBeginAfter;
    CkXml xFound;

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

    //  Search the sub-tree rooted at "searchRoot"
    xSearchRoot = xml.FindChild("searchRoot");

    //  Search for all "fruit" nodes having a color attribute
    //  where the name of the color ends in "e"
    xBeginAfter = null;
    xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e");
    while (!(xFound == null )) {

        outStr += xFound.content() + ": "
             + xFound.getAttrValue("color") + "\n";

        xBeginAfter = xFound;
        xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e");
    }

    //  The correct output is:
    //  grape: purple
    //  blueberry: blue

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

    //  ---------------------------------------------------------------------------------
    //  Now do the same, but instead use SearchForAttribute2
    //  which updates the internal reference of the caller instead
    //  of returning the found node.
    CkXml xSearch;

    xBeginAfter = xSearchRoot.GetSelf();
    xSearch = xSearchRoot.GetSelf();

    success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e");
    while (success == true) {

        outStr += xSearch.content() + ": "
             + xSearch.getAttrValue("color") + "\n";

        //  Copy the internal references so that the next search
        //  begins after the found node.
        xBeginAfter.CopyRef(xSearch);
        xSearch.CopyRef(xSearchRoot);

        success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e");
    }


    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."
  }
}