Aha ! :) But still, it's not guaranteed that your Application's 'onTerminate' is called...
On Jun 12, 1:17 pm, Doug <[email protected]> wrote: > I was actually referring to the "android.app.Application" object > > http://developer.android.com/reference/android/app/Application.html > > Obviously there are no guarantees, but this might be a better way for > Max to *try* to determine whether the application is shutting down or > an Activity is merely being closed. > > On Jun 11, 10:35 am, Streets Of Boston <[email protected]> > wrote: > > > > > Note that the onDestroy (or the onStop) are not always called when > > your activity exits/ends. > > Read the info on developer.android.com and look at activities' life- > > cycle events. > > A process can be killed, and the only thing guaranteed to be called in > > your activities is onPause, and possible onSaveInstanceStatie() > > > On Jun 11, 12:43 pm, Doug <[email protected]> wrote: > > > > Max, > > > > Take a look at the application object that your app can optionally > > > have. It is creaated (and has onCreate called) before any of your > > > other activities or services even get out of the gate. > > > > It also has onDestroy method that is called when Android shuts your > > > app down (unrelated to activities coming and going). > > > > Hope this proves useful. > > > > Doug > > > > On Jun 9, 10:58 am, "Mark Murphy" <[email protected]> wrote: > > > > > > Yes, but when the app closes I want to close the connections (which > > > > > requires sending data - not just releasing the objects) regardless of > > > > > what's holding them. How can I tell when the app exits? > > > > > I think you are attributing too much power to the notion of apps > > > > exiting. > > > > > Example #1: somebody is using your app. Then a phone call comes in. Your > > > > activity is merely stopped, not destroyed. Did your app "exit"? > > > > > Example #2: somebody is using your app. Then a phone call comes in. > > > > Courtesy of a Bluetooth headset, the user yaks on the phone while also > > > > TXTing a few people, then gets a URL in an SMS, which leads to a Web > > > > site > > > > in the Browser app. All along, your app's activities are back in the > > > > stack, in a stopped state. An hour passes this way. Did your app "exit"? > > > > > Example #3: Same as example #2, but the user then had to go to class, > > > > and > > > > so she thumbs off her phone, sticks it in her purse, and leaves the > > > > phone > > > > asleep for eight hours. Then, a call comes in. Your app's activities are > > > > still back on the stack, in a stopped state. Did your app "exit"? > > > > > Example #4: Same as example #3, but the user responds to enough calls > > > > and > > > > messages after the 8-hour device sleep that Android closes up your > > > > activities to free up RAM. Placeholders for those activities are still > > > > back on the stack, though, and if the user were to back-button to them, > > > > they would want to pop back up. Did your app "exit"? > > > > > You can try things like creating custom Application classes and > > > > responding > > > > to onTerminate(), but I suspect you have broader problems if you worry > > > > about apps "exiting", since onTerminate() may not be called in any of > > > > those examples. > > > > > Protocols that require you to send network data before closing a > > > > connection will suck mightily in any mobile environment, simply because > > > > the device can and will fall asleep at any point. Android's usage model, > > > > whereby users are not concerned with having to specifically "exit" apps, > > > > exacerbates that issue. > > > > > -- > > > > Mark Murphy (a Commons Guy)http://commonsware.com > > > > _The Busy Coder's Guide to Android Development_ Version 2.0 Available!- > > > > Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
