(Chilkat for Android™ API)
Download Directory Tree Listing as XML

Downloads a complete remote directory tree listing in XML format. The directory tree in XML format looks like this:

<?xml version="1.0" encoding="utf-8" ?>

<dirTree>
    <file>bookstore.xml</file>
    <file>hamlet.xml</file>
    <file>hamlet.zip</file>
    <file>japanese.xml</file>
    <file>New Text Document (2).txt</file>
    <file>New Text Document.txt</file>
    <file>nutrition.xml</file>
    <file>pigs.xml</file>
    <file>plants.xml</file>
    <dir name="subdir1">
        <file>box.ico</file>
        <file>Setup.exe</file>
        <dir name="a">
            <file>dude.gif</file>
            <file>HelloWorld123.txt</file>
        </dir>
    </dir>
    <dir name="subdir2">
        <file>scream.jpg</file>
    </dir>
</dirTree>

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 = "";

    CkFtp2 ftp = new CkFtp2();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = ftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        outStr += ftp.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    ftp.put_Hostname("ftp.secureftp-test.com");
    ftp.put_Username("test");
    ftp.put_Password("test");

    //  Connect and login to the FTP server.
    success = ftp.Connect();
    if (success != true) {
        outStr += ftp.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    //  Recursively download the listings for the complete
    //  remote directory tree at the current remote dir.
    //  In this case, we haven't called ChangeRemoteDir,
    //  so the current remote dir is the root directory of the
    //  FTP account.
    String strXml;
    strXml = ftp.dirTreeXml();

    outStr += strXml + "\n";

    ftp.Disconnect();
    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."
  }
}