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I searched around a bit for this information but all I found was the section of the registry where you can control the backlight brightness. I also tried MBVklight but that doens't seem to do the trick either.
I'm trying to turn off/on the backlight using .NET. I would imagine it requires a P/Invoke so if anyone can point me in the right direction it would be much appreciated. I want to do this because hitting the power button disables wifi, so I want wifi to stay on but have the screen off.
Thanks in advance!
Using advanced config 3.3 you can set the wifi to stay on after hitting the power button, which is effectively what you want to do yh? It will cane your battery tho, but its useful for donloading on device
Hmm yeah that would do the trick. Thanks!
I have an old Titan that I'm no longer using so I'm turning it into a bedside alert system in case my regular phone isn't on ring and someone needs to wake me up (I'm in charge of all the servers where I work). It needs to maintain a wifi connection so it can receive the signal but it's constantly plugged in so power isn't a problem.
sorted, no problems and good idea
I installed Advanced Config 3.3 and went into Menu -> More settings -> Connections and checked "Enable Wi-Fi on standby mode" and did a soft reset but it doesn't seem to be working. If I hit the power button on the phone to enter standby the wifi light stops blinking and it stops receiving connections. Is there another setting I'm missing?
mm let me try on mine, ill get back to you.......
Any luck? It's not really a big deal since I modified my application to be full screen with a black background so it would be doing minimal burn in, but I'd still prefer if it was fully off.
I have identified the culprit, but I have not been able to find a solution.
As I said, my screen will not timeout. I have to manually hit the lock button to turn the screen off. Also, the softkeys stay lit. I started going through app settings, etc. No luck. I began to notice after reboots and battery pulls that it only started occuring after I entered mode (*#0011#) to fix the wifi disconnect issue.
After doing that, the screen will no longer timeout. So, at this point, I either have to deal with wifi turning off and on randomly, or a screen that won't go dark on its own.
Can anyone help?
Hello everyone.
I have a couple of problem with my xperia Z3. The problem is that when i press the side button to lock the phone, the phone get locked but the screen seems to be still on(and then turn completely off after a few seconds) . I mean that even if the phone is locked it's like i am seeing a completely black image. This doesn't always happens with Android KitKat but with the Lollipop upgrade i made yesterday flashing a generic Baltic firmware, the problem got worse! When it happens the screen stays on even after few seconds and it doesn't turn off and i'm forced to restart the phone to "solve" the problem. If it helps, when the phone locks fine the screen turns off immediatly but when the phone has this problem when i press the lock button i can see for a moment the screen locked, with the clock, the padlock icon, the fast dial icon and the fast camera icon ecc and then the screen turn black(but still on) like "something is slowing/blocking the phone from getting locked"
The second problem that i have is that sometimes when i make a call or recieve one when i put the phone to my ear the screen doesn't turn off and the tousch screen still works making me end the call unintentionally touching the screen with my ear for example. I haven't had this problem yet with Lollipop, but I used to have it with KitKat. Anyway this is the less important problem that i'd like to solve because even if the phone should work proprely by itself i can always accept the call and then lock the screen with the side button "solving" the problem of unintentionally ended calls. But the first problem really bothers me a lot and i'd really like to know how to solve it.
Does anyone have at least one of this two problems and knows how to solve them? Thank you !
I'm sorry for my english and i hope i've explained myself well. I've just restarted the phone so the problem at the moment doesn't persist but the next time it will happend i will make a short video to make you see exactly what happens or if you think that this two problem could be caused by an app just tell me and I will write you a list off the app that i've installed.
**Edit: I'm really sorry, i haven't read that this was the wrong section for questions, could someone move it to the right one? Thanks.
screen doesnt turn off after locked
Hi
After the upgrade, my screen also remains on, still lit after screen is locked. Pls help
I had the same problem. And got it fixed by disable and enable "adaptive brightness" .
elli said:
I had the same problem. And got it fixed by disable and enable "adaptive brightness" .
Click to expand...
Click to collapse
It worked! Thank you so much.
Now this doesn't happen all the time every time, but usually around a notification and the screen is off, I go to hit a button to turn on the phone and it doesn't respond but the touch-keys are backlit. If Always-on Display is on, the screen is black regardless, not even showing the time or notifications. The only fix is waiting ~10 seconds for the phone to respond, which in some cases can be the difference between a missed call.
Now, seeing Always On Display off like that while it should be on made me think back to when I saw some sort of Nougat optimization setting that allowed me to select Always On Display, and as far as I remember, I did. That makes me think this process is killing AoD and it is taking that long to start back up, where the phone won't unlock until AoD (is back on and) can confirm that it's trying to wake up out of that state.
However, I don't believe this is the issue. I have turned off AoD and the issue still happened directly afterward, after a Messenger notification. This is stock firmware, however it is not factory firmware. I believe I downloaded it from Sam-Mobile, and they had the 7.0 Nougat upgrade that I would have gotten OTA with the factory firmware anyway.
Somehow I don't think it's the flashed firmware that is the problem, however please let me know if that's a possibility.
While the phone (or whatever) is hanging, I can still hold down the power button and I will feel haptic feedback as if the power menu has opened, and when the phone responds the power menu will be open, so the phone does still receive input. It just doesn't seem to act upon it or wake the screen properly. Is this perhaps merely a known Nougat bug or is it a glitch with my flashed stock firmware?
I'm sorry I don't have much more information. I do have Greenify, but I don't think that can or is set to disrupt anything that would affect the phone waking, or that would hang the OS, homescreen or whatever it is.
I haven't done other troubleshooting because I don't know what direction to attack this from, and that is why I have come here.
Help please!
Thanks in advance. :good:
UPDATE: It seems to happen directly after my screen shuts off from being on. So, if a notification wakes my phone but I don't interact with it in time and the screen goes off, when I press the power button it won't respond for ~10-15s. That's all I've really noticed... Anyone else have this problem??
BUMP.
Also, the same thing happens if I press the power button on my phone (by accident) and then go to turn it back on almost immediately - it won't respond for a while.
Cleared cache from recovery?
Got any settings enabled like "Keep screen off" which stops the screen coming on in your pocket, try disabling it in case that's causing it
Different gestures, disable them all in case they're messing with it
Last resort, factory reset
*Detection* said:
Cleared cache from recovery?
Got any settings enabled like "Keep screen off" which stops the screen coming on in your pocket, try disabling it in case that's causing it
Different gestures, disable them all in case they're messing with it
Last resort, factory reset
Click to expand...
Click to collapse
Won't be factory resetting unless I plan to root or something. I'll fiddle with the keep screen off setting that I do have on, and I highly doubt gestures would affect it but regardless I haven't enabled or used any. Thanks for the reply.
So the "Keep screen off" setting didn't affect anything. I turned Always On Display back on and I see the same issues. However, now sometimes I notice when I lock my screen or it shuts off, sometimes the AOD will appear and then quickly disappear, and stay in this hanging state for 10-15s. Then, if I haven't touched it during that time, the AOD will reappear. Any ideas? :/
So nobody else has this issue? This is still a problem, even if I press the power button and sometimes I'll want to turn it back on again as I just remember something to do before putting the phone away, it hangs on black for too long to be useful in that moment. The only potential solution is a factory reset?
Even if I lock the screen... If I try to turn it back on too soon, and I think it's specific timing... I have to wait 10-20 seconds. Sounds and vibrations still work.
UPDATE: This is still an issue. I've noticed a few more things, it does really seem like timing and as if there's some function in my phone literally not allowing me to turn on my screen - and I have never timed it but I think pressing buttons (power button) makes it take longer before it will respond again.
Kilva said:
UPDATE: This is still an issue. I've noticed a few more things, it does really seem like timing and as if there's some function in my phone literally not allowing me to turn on my screen - and I have never timed it but I think pressing buttons (power button) makes it take longer before it will respond again.
Click to expand...
Click to collapse
This happens for me also as a point of interest.
I am hoping that O solves it, since the monthly updates have never helped.
I haven't had this happen since upgrading to Oreo a week ago, so far so good!
An hour or so ago everything worked fine, and then I updated my playstores pending apps (only Fleksy was pending) and the "force touch" feature of the phones seems to have completely stopped working, no matter what setting I turned on or off it didn't work...
Anyone has a clue as to what can cause this?
General notes:
1. Using stock Exynos unlocked variant
2. I am using package disabler (which btw didn't improve much my battery life, but that might be just me using the phone too much ) so maybe one of the packages decided that it depends on a disabled one?
I noticed mine stops working after a reboot and takes about a minute or two to get back up and running. Try a restart after clearing caches, if nothing still, reboot in safe mode. If it works, then its an app you installed interfering.
RazoE said:
I noticed mine stops working after a reboot and takes about a minute or two to get back up and running. Try a restart after clearing caches, if nothing still, reboot in safe mode. If it works, then its an app you installed interfering.
Click to expand...
Click to collapse
Mine also stop working after I restart my S8 Plus, it will again work if I wait around 20 minutes. Is this software or hardware problem? Any solutions?
Wish mine would stop working permanently! can't stand that feature forever brushing across it and waking the phone up!
Ady1976 said:
Wish mine would stop working permanently! can't stand that feature forever brushing across it and waking the phone up!
Click to expand...
Click to collapse
How does it act up on your part? Mine would just stop working if I restart the phone & I should wait sometimes hours before it would work again.
Every time i'm installing my phone in my car mount I need to hold the phone from the bottom to install it correctly and brushing my fingers across the bottom is constantly waking the phone up, I've lowered the sensitivity to it's minimum.
Ady1976 said:
Every time i'm installing my phone in my car mount I need to hold the phone from the bottom to install it correctly and brushing my fingers across the bottom is constantly waking the phone up, I've lowered the sensitivity to it's minimum.
Click to expand...
Click to collapse
I see, problem is not the same. On my part the tactile home button simply doesn't work when you press on it. I have to double tap to wake the phone when on lockscreen.
bladefrost said:
I see, problem is not the same. On my part the tactile home button simply doesn't work when you press on it. I have to double tap to wake the phone when on lockscreen.
Click to expand...
Click to collapse
Unless your phone is unlocked no pins etc the phone will just go to the lockscreen, it's a useless feature, most people have the phones locked and thus it's a complete waste of time, it sounds to me the capacitive home button part of the screen was an afterthought because they couldn't install the fingerprint reader under the screen, just had a software update yesterday and still can't turn it off, basic stuff Samsung should enable an ON/OFF toggle switch for this.
Had the same problem with my S8 Plus India Variant(SM-G955 FD), I got my screen replaced from service center, Device was not rooted back then, so was under warranty.
But it is an hardware issue, as since then it has never gone off.
I mean when I press the home button hard it doesn't wake the phone up & no vibration. It happens when I restart the device then it would stop working for few minutes to a few hours sometimes, then it would start working again normally until I restart the phone again. I think this is just a software issue.