Thread or service is not generally a decision -- they are two different
things, for different purposes.  A thread lets you do work off of the main
UI thread.  A service lets you tell the system to try to keep your process
around instead of killing it in the background.

On Mon, Aug 1, 2011 at 2:08 PM, Fred Niggle <fred.nig...@googlemail.com>wrote:

> Hello,
>
> I am stuck with making a decision and I could use some expert help.
>
> I have a need to monitor motion, either with the compass or
> accelerometer to ensure that someone is safe.
>
> I have code which works really well when using the accelerometer, BUT
> it can suck a battery flat in around 30 minutes.
>
> To help mitigate this i am considering a 'duty-cycle- of 1 minute on,
> and 1 minute off - so should straight away be on to a 50% increase in
> battery life, and later I'll refine this.
>
> Im developing for api 7 (2.1 eclair) and while I have some programming
> experience, i need guidance on which route to follow to enable the
> duty-cycle usage of the accelerometer.
>
> One avenue of research indicates that using threads is the way to go -
> however since threads can be killed off with the main UI (screen goes
> to sleep, etc), so i'm leaning towards using a service which can I can
> START_STICKY.
>
> Which route do you recommend?
> Thread or Service?
>
> Regards,
> Fred
>
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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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