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dirtybloom
dirtybloom

Reputation: 31

Android Service, Thread and WakeLock

I have a backgroud service that acquires a "partial wake lock" and starts an handler thread. I know that, for some reasons, Android can kill this service and restart it again. My question is, what happens to my thread? will it be stopped calling some methods, brutally destroyed or does it continue the execution normally? Regarding the wake lock, will it somehow be released by the system or not?

Upvotes: 0

Views: 125

Answers (1)

Anggrayudi H
Anggrayudi H

Reputation: 15165

Will it be stopped calling some methods, brutally destroyed or does it continue the execution normally?

According to my experiment on small RAM of the Android device, the Service can be killed by Android system on high memory pressure. Android system doesn't trigger your Service to call onDestroy method. I think, the system pauses the Service's thread. Even if the Service return START_STICKY or START_REDELIVER_INTENT, but they don't guarantee that your Service will be started again.

Regarding the wake lock, will it somehow be released by the system or not?

Android system doesn't guarantee to releases the wakelock, unless you call startWakefulService(context, service). It uses wakelock as long as your Service is running.

Upvotes: 1

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