(Chilkat for Android™ API)
Create TAR BZ2 Compressed Archive (.tar.bz2, .tbz, .tbz2, .tb2)

Demonstrates how to create a compressed TAR archive containing an entire directory tree. This example creates a compressed archive using BZip2 compression. The typical file extensions used are .tar.bz2, .tbz2, .tbz, or .tb2.

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 = "";

    //  Important: It is helpful to send the contents of the
    //  tar.LastErrorText property when requesting support.

    CkTar tar = new CkTar();

    //  Any string automatically begins a fully-functional 30-day trial.
    boolean success;
    success = tar.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        outStr += tar.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    //  The TAR component will produce a  GNU tar 1.13.x format
    //  archive by default.
    //  It is also possible to create PAX -- POSIX 1003.1-2001 format
    //  or USTAR -- POSIX 1003.1-1988 format.
    //  Set the WriteFormat property to "gnu", "pax", or "ustar" to
    //  choose the output TAR format:
    tar.put_WriteFormat("gnu");

    //  Add a directory tree to be included in the output TAR archive:
    success = tar.AddDirRoot("/Users/chilkat/temp/abc123");
    if (success != true) {
        outStr += tar.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    //  Create the compressed TAR archive using BZip2.
    //  Note: You may use UNC paths, absolute, or relative paths.
    success = tar.WriteTarBz2("/Users/chilkat/testData/tar/abc123.tar.bz2");
    if (success != true) {
        outStr += tar.lastErrorText() + "\n";
        tv.setText(outStr);
        setContentView(tv);
        return;
    }

    outStr += "Success." + "\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."
  }
}