I'd say trying STICKY and be careful to not swipe your app from the recents
list (which kills the process... can be a support issue).

-- K


2014-02-01 dashman <[email protected]>:

> yes this is on 4.4
>
> i saw the startForeground API call - but my service really is a background
> service...
>
> but i guess i'll have to use that now.
>
>
>
>
> On Friday, January 31, 2014 3:34:41 PM UTC-5, Kostya Vasilyev wrote:
>
>> How many threads a service / process has "inside" does not have any
>> effect on how likely it's to be killed.
>>
>> You should expect that your app's entire process, including any services
>> (and threads, of course) can be killed by the system any time.
>>
>> Now since you mentioned swiping -- in case you're running 4.4, it appears
>> to have a bug where swiping kills the process.
>>
>> In general, maintaining an ever-running service is not an easy task,
>> unless you use the official "startForeground" API (which by design puts an
>> icon into the status bar).
>>
>> Some (say, Mark Murphy who doesn't appear to be on this list anymore),
>> would call it an "anti-pattern". I tend to agree.
>>
>> -- K
>>
>>
>>
>> 2014-02-01 dashman <[email protected]>:
>>
>>> I think your analysis is correct.
>>>
>>> I also think it happens because my service doesn't create a worker
>>> thread.
>>>
>>> In the onStartCommand() method - it sets up some system listeners and
>>> returns STICKY.
>>>
>>> So when the main app is being killed (when i remove it from the active
>>> apps list) - i think the service
>>> is being killed - but the onDestroy is not being called (as you
>>> mentioned).
>>>
>>> I verified with the ps command - and it's gone.
>>>
>>> So should I create a worker thread or a handler - i will use it later on
>>> for some work.
>>>
>>>
>>>
>>>
>>>
>>> On Friday, January 31, 2014 3:01:28 PM UTC-5, Kostya Vasilyev wrote:
>>>>
>>>>
>>>> 2014-01-31 dashman <[email protected]>:
>>>>
>>>>
>>>>> What's confusing is this.
>>>>>
>>>>> I've got the app and service running.
>>>>>
>>>>> Then using the active app-list option of the launcher, I remove the
>>>>> app.
>>>>>
>>>>>
>>>>> I would think this would kill the app - but not the service.
>>>>>
>>>>> Service.onDestroy() is not called.
>>>>>
>>>>>
>>>>> But now if I restart the app - the Service.onCreate() is called
>>>>>
>>>>>
>>>> Sounds like your app's process gets killed. When this happens, the
>>>> service's onDestroy will not be called.
>>>>
>>>> Next when you start the app's UI (activity), the process is created
>>>> again, and the service is too.
>>>>
>>>> You can watch this in the logcat, and for more details, use system
>>>> settings -> apps -> running, or "adb shell ps", where "ps" is the standard
>>>> Unix command that gives the list of running processes.
>>>>
>>>> -- K
>>>>
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