Handler.postDelayed(Runnable) vs CountdownTimer

Question

Sometimes we need to delay a code before it runs.

This is doable by the Handler.postDelayed(Runnable) or CountdownTimer.

Which one is better in terms of performance?

See the sample code below

Handler

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                 //DO SOMETHING
            }
        }, 1000);

CountDownTimer

        new CountDownTimer(1000, 1000) {
            public void onFinish() {
                 //DO SOMETHING
            }
            public void onTick(long millisUntilFinished) {}
        }.start();

score 11 · Accepted Answer · answered Feb 19 '16 at 05:26

11

The Handler should offer you better performances as CountDownTimer contains itself a Handler as you can see here.

answered Feb 19 '16 at 05:26

E-Kami

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score 8 · Answer 2 · answered Mar 29 '18 at 03:33

8

I agree that Handler is offering a better performance. But on a side note, you should keep in mind that CountDownTimer object will be destroyed after completed. A Handler will continue to exist after finished. If you only need a temporary timer then CountDownTimer is preferable. Otherwise, use a Handler.

answered Mar 29 '18 at 03:33

minh bo

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This should be the accepted answer. It is the only that explains that "why". Besides, all the links provided in the other answers, no longer lead to a functioning web page. – WebViewer Jan 12 '23 at 14:55

Uttam Panchasara · Answer 3 · 2016-02-19T05:46:45.273

1

Use Handler,Android Handler is Good.

See Here, What Others say About Handler

edited Feb 19 '16 at 05:46

answered Feb 19 '16 at 05:41

Uttam Panchasara

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Handler.postDelayed(Runnable) vs CountdownTimer

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