Android count down timer in background

Question

I have an Android app with manage a countdowntimer (class CountDownTimer) that it is shown in app screen, to show how much time left to arrive 00:00.

My problem now

Answer 1

First off, You need to use a Handler to operate the timer, but check out this great post to see if it helps:

How to set a timer in android

Android Developer Resources touch on this topic as well:

http://developer.android.com/resources/articles/timed-ui-updates.html