You don't need to try around with different things, the behavior is very
well defined: if you are not holding a wake lock, the CPU is allowed to go
to full sleep, so no code can be executed until an external event wakes it
up. A thread sitting there waiting on a timer is never an external event.
If you need to make sure you wake up even if the CPU is asleep, use the
AlarmManager.
On Sun, Nov 21, 2010 at 8:21 AM, Paul Townsend <deer...@gmail.com> wrote:
> Just tried that bvut dose the same thing, although I have used
> countdownTimer in a custom TextView that I wrote so I could have a countdown
> timer for the UI and this dose not pause. I might look into to transfering
> the other timer bits to the text view and use that as a all in one timer
> solution and see if that works.
>
>
> On 21 November 2010 03:34, Hal <dsheppar...@gmail.com> wrote:
>
>> You may want to look at CountDownTime also. It seems to work fine
>> (even when the Screen goes off).
>> I took the following from the web:
>>
>> public class MyCount extends CountDownTimer {
>> public MyCount(long millisInFuture, long countDownInterval) {
>> super(millisInFuture, countDownInterval);
>> }
>>
>> public void onFinish() {
>> counter = new MyCount(5000, 1000);
>> counter.start ();
>> }
>>
>> public void onTick(long millisUntilFinished) {
>> tv.setText("Hal:" + timer.getTime());
>> }
>> }
>>
>>
>> The timer component uses a "Live" Jt component (separate thread):
>>
>> private void timer() {
>>
>> JtFactory main = new JtFactory ();
>>
>>
>> // Create the component
>>
>> timer = (Timer) main.createObject (Timer.JtCLASS_NAME);
>>
>> // Asynchronous processing of messages.
>> main.setSynchronous(false);
>> main.sendMessage (timer, new JtMessage (Timer.UPDATE_TIME));
>>
>>
>> }
>>
>>
>> .....
>> counter = new MyCount(5000, 1000);
>> counter.start();
>> setContentView(tv);
>> .......
>>
>> On Nov 20, 3:58 pm, Paul Townsend <deer...@gmail.com> wrote:
>> > I made a simple countdown timer and it works as expected when plugged
>> > in via usb for debugging but when I take it off debugging and the
>> > screen goes off either time out or power button the handler fails to
>> > fire at the end time. I have created a custom timer class that gets
>> > created from the main activity when needed, because its able to have
>> > multiple countdowns running at the same time. Am I right in thinking
>> > that the handler just gets paused when the screen goes off and if so
>> > what are my alternatives. The activity is still in the foreground and
>> > I assumed the handler would still fire if the screen goes off.
>>
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>
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--
Dianne Hackborn
Android framework engineer
hack...@android.com
Note: please don't send private questions to me, as I don't have time to
provide private support, and so won't reply to such e-mails. All such
questions should be posted on public forums, where I and others can see and
answer them.
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