Yes Mark. The GUI wont be running when the alarm goes off. On receipt of the alarm, i want to start an activity.
So, i think i will need to use alarm manager as the choice, as i want the device to wake up when the alarm goes off. On 1/19/10, Mark Murphy <[email protected]> wrote: >> Interesting Mark... is there no way to have something wake/start an app up >> when a condition occurs? > > Define "condition". The OP was inquiring about time, which I would not > call a "condition". > >> I was reading the blog on Screebl, it seemed like >> with the Location support they can activate based on the location or other >> conditions of the device. I wasn't under the impression that app was >> running >> all the time.. or that it might be a service running in the background? > > I do not know off the top of my head if and when GPS position changes will > wake up the device. > >> On a slightly different note, if you do run a service all the time, that >> basically either waits for a timer, or waits for some condition, such as a >> GPS location, does that drain battery much? > > The key to battery life is that you want the phone in sleep mode. Hence, > depending on how the service is "waiting", it may need to force the device > to stay awake, which is awful for battery life. > > If you are interested in this subject, you really should watch Jeff > Sharkey's "Coding for Life...Battery Life, That Is" presentation from the > 2009 Google I/O conference. There's a YouTube video of it out there. > >> I've not looked into the >> Location api, but it sounded like Location would send out a message that a >> service could listen for.. as if you could say "when the location of this >> device is 'around' this location.. call me". Something like that? > > That certainly exists, but I have not experimented with it recently, let > alone with the device in sleep mode. > > Again, the OP was inquiring about timers, so my reply was focused on timers. > > -- > Mark Murphy (a Commons Guy) > http://commonsware.com > Android App Developer Books: http://commonsware.com/books.html > > >
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