unzip

    static void unzip(InputStream uriInputStream, String unzipDirectory) throws Exception {
        //create target location folder if not exist
        createDirIfNotExist(unzipDirectory);

        ZipInputStream zipInputStream = new ZipInputStream(uriInputStream);
        ZipEntry ze;
        while ((ze = zipInputStream.getNextEntry()) != null) {
            //create dir if required while unzipping
            if (ze.isDirectory()) {
                createDirIfNotExist(ze.getName());
            } else {
                FileOutputStream fileOutputStream = new FileOutputStream(unzipDirectory + "/" + ze.getName());

                BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
                byte[] buffer = new byte[1024];
                int read = 0;
                while ((read = zipInputStream.read(buffer)) != -1) {
                    bufferedOutputStream.write(buffer, 0, read);
                }

                zipInputStream.closeEntry();
                bufferedOutputStream.close();
                fileOutputStream.close();
            }
        }
        zipInputStream.close();
    }