CountDownTimer with progressBar

gistfile1.txt

CountDownTimer countDownTimer = new CountDownTimer(TIME_MILLIS, 100) {
          @Override
          public void onTick(long millisUntilFinished) {
            double i = (1 - millisUntilFinished / (double) TIME_MILLIS) * 100;
            progressBar.setProgress((int) i);
          }

          @Override
          public void onFinish() {
            progressBar.setProgress(100);
          }
        };
        countDownTimer.start();