On Sun, Dec 5, 2010 at 9:38 PM, ip332 <[email protected]> wrote:
>> > Or should I try to create a kind of service thread that polls every
>> > (n) minutes and sleeps in between, would that save battery?
>>
>> Yes, but it will waste RAM and cause you to be the target of task killers.
> I disagree - it depends on how do you implement actual "runner".
>
> IMHO if you create location listener every X minutes and remove it
> after you got a location update (10-60 seconds) - there is no wasted
> RAM nor battery.

If you have a Service running 24x7 to accomplish this, yes, you are wasting RAM.

> Also I would implement it using Hanlder.postAtTime() approach
> described at 
> http://developer.android.com/resources/articles/timed-ui-updates.html

Which implies a Service running 24x7, which means users will attack
you with task killers.

We can do better than this, with AlarmManager, but the work is just a
bit tricky.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy

Android 2.2 Programming Books: http://commonsware.com/books

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