Android Utililty Methods Zip Entry Add

try {
    File file = new File(destPath + "/" + target.getName());
    if (target.isDirectory()) {
        file.mkdirs();
    } else {
        InputStream is = zf.getInputStream(target);
        BufferedInputStream bis = new BufferedInputStream(is);
        File dir = new File(file.getParent());
...

File zip = new File(source);
File tempFile = File.createTempFile(zip.getName(), null);
tempFile.delete();
if (!zip.renameTo(tempFile)) {
    throw new RuntimeException("could not rename the file "
            + zip.getAbsolutePath() + " to "
            + tempFile.getAbsolutePath());
byte[] buffer = new byte[32 * 1024];
ZipInputStream zin = new ZipInputStream(new FileInputStream(
        tempFile));
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zip));
    ZipEntry entry = zin.getNextEntry();
    while (entry != null) {
        String name = entry.getName();
        if (!name.equals(entryName)) {
            out.putNextEntry(new ZipEntry(name));
            int bytesRead;
            while ((bytesRead = zin.read(buffer)) != -1) {
                out.write(buffer, 0, bytesRead);
        out.flush();
        out.closeEntry();
        entry = zin.getNextEntry();
    zin.close();
    InputStream in = new FileInputStream(target);
    out.putNextEntry(new ZipEntry(entryName));
    int bytesRead;
    while ((bytesRead = in.read(buffer)) != -1) {
        out.write(buffer, 0, bytesRead);
    out.flush();
    out.closeEntry();
    in.close();
out.finish();
out.close();
tempFile.delete();