String isoDatePattern = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat(isoDatePattern);
        Date d = null;
        try {
            d = simpleDateFormat.parse("2019/04/22 10:04:30");
        } catch (ParseException e) {
            e.printStackTrace();
        }

        String dateString = simpleDateFormat.format(d);
        Log.e("dateString ::::> ",dateString);

String isoDatePattern = "yyyy/MM/dd' HH:mm:ss.SS";