An infinite timer

CountUpTimer.java

import android.os.CountDownTimer;

abstract public class CountUpTimer
{
    private CountDownTimer countDownTimer;
    private int countDownCycle;

    public CountUpTimer(long countUpInterval) {
        countDownTimer = new CountDownTimer(Long.MAX_VALUE, countUpInterval) {
            @Override
            public void onTick(long millisUntilFinished) {
                CountUpTimer.this.onTick(Long.MAX_VALUE * countDownCycle - millisUntilFinished);
            }

            @Override
            public void onFinish() {
                countDownCycle++;
                CountUpTimer.this.start();
            }
        };
        countDownCycle = 1;
    }

    public void start() {
        countDownTimer.start();
    }

    public void stop() {
        countDownTimer.cancel();
    }

    public void cancel() {
        stop();
        countDownCycle = 1;
    }

    public abstract void onTick(long millisElapsed);
}

Hi. What is the need for the int variable countDownCycle?

This is nicely done, thank you. It did saved me the effort of making one. Thanks.