Zip file in android

Zip file on android

import android.util.Log;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;


  public class Compress {
      private static final int BUFFER = 2048;

      private String[] _files;
      private String _zipFile;

      public Compress(String[] files, String zipFile) {
        _files = files;
        _zipFile = zipFile;
      }

      public void zip() {
        try  {
          BufferedInputStream origin = null;
          FileOutputStream dest = new FileOutputStream(_zipFile);

          ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(dest));

          byte data[] = new byte[BUFFER];

          for(int i=0; i < _files.length; i++) {
            Log.v("Compress", "Adding: " + _files[i]);
            FileInputStream fi = new FileInputStream(_files[i]);
            origin = new BufferedInputStream(fi, BUFFER);
            ZipEntry entry = new ZipEntry(_files[i].substring(_files[i].lastIndexOf("/") + 1));
            out.putNextEntry(entry);
            int count;
            while ((count = origin.read(data, 0, BUFFER)) != -1) {
              out.write(data, 0, count);
            }
            origin.close();
          }

          out.close();
        } catch(Exception e) {
          e.printStackTrace();
        }

      }

    }