Re: Scheduled Reboot after Shutdown
Brad Minion
Hey,--
is it possible to make a Reboot, where the phone sleeps for e.g. 2 hours before it restarts again?
so it would be a complete shutdown, and restart after X minutes.
is something like that possible?
best
eli
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Jay M
You have to long press the powerbutton to boot up the phone (or at least on every Android phone I had I had to do that) so im pretty sure its powered down if it wasn't what would be the point in doing that, It would just drain the battery
now a fully powered down device is never fully down, because with only pressing the on button it starts up;)
This is like saying my Xbox isn't fully powered down because if I touch the powerbutton it powers up.
Jay M
now a fully powered down device is never fully down, because with only pressing the on button it starts up;)
so it should be possible to automate/simulate the signal which normally givse pressing the power button, or?
Am 01.06.2014 16:17, schrieb Brad Minion:
Think about it. How can a powered down device reboot automatically
unless it's not really fully powered down? Something must still be
running in order to execute the reboot. Someone else mentioned their
device has this option but most don't I think. And, if it does, it's not
really fully powering down.
On Sun, Jun 1, 2014 at 6:59 AM, Eli <e...@duethorn.com
<mailto:e...@duethorn.com>> wrote:
Hey,
is it possible to make a Reboot, where the phone sleeps for e.g. 2
hours before it restarts again?
so it would be a complete shutdown, and restart after X minutes.
is something like that possible?
best
eli
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Jay M
I gotta research this because if its true then that makes shutting down the device pointless (IMO) might aswell just pull the battery that would be a real shutdown.
Jay M
Jay M
http://www.makeuseof.com/answers/android-phone-start-shut-specific-times/
Interesting I guess I was wrong.
Jay M
Scott Miller
> my question is really quite simple: is it possible to simulate by software the press of the power button?
>
> if yes, it should be possible to make a scheduled reboot while it is shut down
I would answer by telling you it depends on the device. This is certainly not an Android feature, so Tasker can't do it.
When a device is powered down completely, its CPU is shutdown as well, making it impossible to use software to turn it back on. I can't speak about the BlackBerry mentioned in the thread linked in the previous message, but certain newer Motorola devices have a secondary CPU that could probably act on a schedule to power on the primary CPU. But this is not part of Android, so I don't believe you can simulate the behavior on a device that was not designed with it in the first place.
Scott Miller
> but what exactly does happen after pressing the power button? what does there happen only by hardware and not by software?
I'm only guessing, since I've never seen the circuit diagram of any of these devices, but I expect the (long press) power button circuit has two functions. When the device is powered on, it sends a signal that is intercepted by a service that performs the shutdown function. When powered off, the service is not running, so the signal is probably a short circuit of some kind, allowing electricity to flow across a transistor, which acts like a switch in many respects, and subsequently allows power to get to the CPU, enabling the device to run the bootstrap program which ultimately loads and starts Android. In reality, it's much more complicated than this.
Without providing a physics lesson as it relates to electrical engineering, that's the best I will explain it. I'll leave it to a college or university professor to get into the specific details.