[Q] Can my N7 completely turn off when power is disconnected? - Nexus 7 Q&A, Help & Troubleshooting

hi all
like many others iv put my nexus 7 into the dash of my car. i was wondering if there is an app or way for my nexus to turn itself off when i turn the car off. iv figured out how to make the device turn on when power is restored to the device but still not sure how to turn the device off.
also would anyone know why when the nexus turns on, it immediately mutes itself? it is connected via 3.5mm jack 100% of the time and tasker opens up power amp but other then that i don't know what might be causing it. any help is appreciated on both issues
cheers
tittysprinklez

Tittysprinklez said:
hi all
like many others iv put my nexus 7 into the dash of my car. i was wondering if there is an app or way for my nexus to turn itself off when i turn the car off. iv figured out how to make the device turn on when power is restored to the device but still not sure how to turn the device off.
also would anyone know why when the nexus turns on, it immediately mutes itself? it is connected via 3.5mm jack 100% of the time and tasker opens up power amp but other then that i don't know what might be causing it. any help is appreciated on both issues
cheers
tittysprinklez
Click to expand...
Click to collapse
If you have tasker installed, create a state which is dependant on battery power - as an exit task tell the tablet to wait for 10 seconds, then call the misc->reboot action with type shutdown to turn the tablet off. The wait 10 seconds it to prevent it powering off when you are cranking the car...
If you just want to turn the screen off, not power the whole tablet down, there's a tasker action Display->System Lock which will turn the screen off..
You could also use tasker to change the system volume for you if you needed as a workaround...
*edit* - BTW - the tasker reboot options don't gracefully reboot / shutdown, so if you have apps running, there's a chance that you may lose data. To do a 'graceful' reboot / shutdown, you are better off using the secure setting plugin...

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I have an ODBLink MX adapter for my car that has an auto sleep and wake function. The only way it will connect when I get in the car is to unlock the phone for a few seconds and turn it back off. If I leave the phone in my pocket and don't go through the lock screen it won't automatically connect. Any tips? Thanks.
Salval said:
I have an ODBLink MX adapter for my car that has an auto sleep and wake function. The only way it will connect when I get in the car is to unlock the phone for a few seconds and turn it back off. If I leave the phone in my pocket and don't go through the lock screen it won't automatically connect. Any tips? Thanks.
Click to expand...
Click to collapse
Have you tried adding it as a trusted device?
I did. Didn't seem to help.
Salval said:
I have an ODBLink MX adapter for my car that has an auto sleep and wake function. The only way it will connect when I get in the car is to unlock the phone for a few seconds and turn it back off. If I leave the phone in my pocket and don't go through the lock screen it won't automatically connect. Any tips? Thanks.
Click to expand...
Click to collapse
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