force-closing an app with a service: onDestroy() is not called in service?

Question

I\'ve implemented a sticky service and when I force close the app I see that the Activity\'s onDestroy() is called. But the service doesn\'t apparently do anything.

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Answer 1

how do I know when the service is force closed?

You don't. onDestroy() is not guaranteed to be called, on any component.

I need to trap that event so that I can close files.

Then don't leave them open.