public byte[] convertInputStreamToByteArray(InputStream inputStream) { byte[] bytes= null; try { ByteArrayOutputStream bos = new ByteArrayOutputStream(); byte data[] = new byte[1024]; int count; while ((count = inputStream.read(data)) != -1) { bos.write(data, 0, count); } bos.flush(); bos.close(); inputStream.close(); bytes = bos.toByteArray(); } catch (IOException e) { e.printStackTrace(); } return bytes; }