I forgot to add that the service is running on a T-Mobile G1 phone (Android 1.6). It pushes periodic GPS fixes to a web service. (Google Latitude does not fill the requirements in this case :)
Don On Dec 15, 12:05 pm, Don Park <[email protected]> wrote: > I understand that a service can be bumped out of ram, though I > expected this to happen infrequently enough, with a quick enough > restart time, that the service was effectively running 24 hours a day. > a 10 minute gap for instance would be fine. > > When a service is deemed unnecessary, its killed outright (meaning > killed at the unix process level)? with no callback or chance to > cleanly shutdown? I'm surprised by that. When *does* onDestroy get > called? I use a notification icon to alert the user that the service > is indeed running. With the service killed, it appears to the user > that the service is not killed as the notification is not removed. > > I cannot say why the service is not being restarted. I just started > the app in the emulator but a kill nor a kill -9 make the app do > anything in the emulator - it continues to run. I do not see a process > listing for the service, just the package name for the whole app. > Should I be seeing a seperate process for a service? > > # ps > ... > app_24 217 29 115908 24880 ffffffff afe0d4a4 S > com.icecondor.nest > > # kill app_24 > # kill -9 app_24 > (no change in the emulator, the app is still responsive in the > emulator) > > I'm going to try leaving the phone running tonight with an 'adb > logcat' running to try and get some android system messages at the > time the service dies, in addition to the database log i mentioned in > the last email. > > Thanks for the help, > Don > > On Dec 15, 11:47 am, Dianne Hackborn <[email protected]> wrote: > > > Services can't run 24 hours a day. At some point the system will very > > likely need to kill your process to have memory for elsewhere, and you will > > go away without a call to onDestroy(). Later the system will restart the > > process and service. > > > You just need to deal with this. > > > As far as not restarting the service -- it definitely should. What version > > of the platform are you seeing this on? What is in the log when it gets > > killed? What is the output of "adb shell dumpsys activity.services" before > > and after this happens? Note you can emulate the system killing the process > > simply by doing it yourself with "ps". > > > On Tue, Dec 15, 2009 at 11:15 AM, Don Park <[email protected]> wrote: > > > A service is setup by an activity with startService(service_intent). > > > This service is meant to run 24 hours a day. After some amount of > > > time, 5 or 6 hours sometimes but its not predictable, the service is > > > killed. > > > > The service has an onDestroy: > > > public void onDestroy() { > > > rssdb.log("Pigon destroyed"); > > > rssdb.close(); > > > notificationManager.cancel(1); > > > } > > > > In the database log, the destroyed message does not show up and the > > > notification #1 is not cancelled. Android makes no attempt to restart > > > the service. The database log will show the startup of the replacement > > > service if I trigger it by visiting the activity. What can I do to > > > keep this service running or at least get it restarted by android > > > automatically? > > > > Don > > > > -- > > > You received this message because you are subscribed to the Google > > > Groups "Android Developers" group. > > > To post to this group, send email to [email protected] > > > To unsubscribe from this group, send email to > > > [email protected]<android-developers%[email protected]> > > > For more options, visit this group at > > >http://groups.google.com/group/android-developers?hl=en > > > -- > > Dianne Hackborn > > Android framework engineer > > [email protected] > > > 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. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
