public static Boolean generateZipFile(String[] filenames, String outFilename){
// Create a buffer for reading the files
byte[] buf = new byte[1024];

try {
// Create the ZIP file
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(outFilename));
// Compress the files
for (int i=0; i
FileInputStream in = new FileInputStream(filenames[i]);
// Add ZIP entry to output stream.
out.putNextEntry(new ZipEntry(filenames[i]));
// Transfer bytes from the file to the ZIP file
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
// Complete the entry
out.closeEntry();
in.close();
} // Complete the ZIP file
out.close();

return true;
} catch (IOException e) {
return false;
}
}