Android Count Down Timer suggest change

Creating a simple countdown timer

CountDownTimer is useful for repeatedly performing an action in a steady interval for a set duration. In this example, we will update a text view every second for 30 seconds telling how much time is remaining. Then when the timer finishes, we will set the TextView to say “Done.”

TextView textView = (TextView)findViewById(;

CountDownTimer countDownTimer = new CountDownTimer(30000, 1000) {
    public void onTick(long millisUntilFinished) {
        textView.setText(String.format(Locale.getDefault(), "%d sec.", millisUntilFinished / 1000L));

    public void onFinish() {

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