(Chilkat for Android™ API) Find Direct Child with Specific Tag
Demonstrates how to find a direct child having a specific tag.
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;
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;
}
// Find the direct child node having the tag "meat", and
// return a new instance of the XML object referencing the
// child node, if found.
child = xml.FindChild("meat");
if (child == null ) {
outStr += "No direct child having the tag \"meat\" was found." + "\n";
}
else {
outStr += "Content = " + child.content() + "\n";
}
// The same can be accomplished without creating a new
// XML object instance. Instead, the FindChild2 method updates
// the caller's internal reference to the found child, if successful.
success = xml.FindChild2("meat");
if (success == true) {
// Success! The xml object now references the found child.
outStr += "Content = " + xml.content() + "\n";
// Restore the reference back to the parent.
xml.GetParent2();
}
else {
outStr += "No direct child having the tag \"meat\" was found." + "\n";
}
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."
}
}
|