Force an android phone to sleep, in order to test?

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+3 Q:

Force an android phone to sleep, in order to test?

I'm writing an android application that depends on network activity and the alarm manager sometimes waking the phone up from a sleeping state.

My question is how can I reliably test this on device? Ideally, how can I force the phone into a full-on sleeping state. Failing that, how can I know for sure when the phone has fully gone to sleep?

How do you test your Alarm Manager / Wake Lock / Sleep handling code?

Pressing the power button on the device should put it to sleep. There is also a goToSleep(long time) method in the PowerManager, but that requires DEVICE_POWER permission, which is reserved for system applications.

Ryan Conrad 2010-08-05 18:02:11

Thanks. This is what I have been doing, but I suspect that pressing power puts the display to sleep immediately, but does not necessarily force the CPU to sleep (which apparently can eventually happen - judging by this http://developer.android.com/reference/android/app/AlarmManager.html#RTC_WAKEUP)

Chris Best 2010-08-05 18:19:06

Hmm, I thought power did this. In the debug log I'm used to seeing a message like "I'm tired, going to sleep" when I press the power button, so I'm pretty sure it is going to sleep / scaling back the processor.

Brad Hein 2010-08-05 18:28:09

Maybe this is a per-device thing. I'm using a Milestone, and it doesn't say that for me.. the screen just turns off, and i keep getting log messages as usual.

Chris Best 2010-08-05 19:36:00

You need to disconnect form USB to see true sleep effects on your app. Leaving USB plugged in through Eclipse does strange things with background services.

just_another_coder 2010-09-01 16:42:49

ansaurus

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Force an android phone to sleep, in order to test?

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