Face recognition not working after lock with "screen off" app - Samsung Galaxy S8 Questions and Answers

Hello, I am using lock screen app such as "Screen Off" to lock my phone instead of using the power button.. Just find it a bit more convenient that way..
However, once i lock the phone that way, the face recognition doesnt work anymore when i unlock the phone.. I have tried 4 lock screen apps, all give the same problem..
Any of you facing the same issue> Any workaround? Thanks in advance..

Same here, I'm using OnePlus 5

I don't believe there is a workaround. Android requires a pin or pattern unlock after the phone has been locked by a 3rd party service.

There is a workaround!
Hi,
I had the exact same problem just now. Instead of using the "Screen Off" app, you can add a new "quick command" in Bixby called "Screen Off". After creating the command, there's a menu option on it to add it to the home screen. It behaves identically to the Screen Off app (albeit about 1 second slower), but will allow screen unlock using face detection afterwards.
Steve

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I use Widget Locker by TeslaCoil. While it's a couple of dollars, it will give you whatever kind of lockscreen you want, and you set it to wake with any hardware button. You can also set it to unlock with a second press of a hardware button, or only a specific button (including the N1's capacitive buttons). I've got mine to wake with any button, and unlock with a custom on-screen slider.
Plus, I can put whatever I want on the lockscreen. If you want it too look like the default screen? You can do that. Widget it up? Perfectly fine. I also like the ability to make your own slider. I've got mine set so the left->right slider is unlock, and the other one launches the camera app, for those quick-or-you'll-miss-it shots.
I used to use MyLock (one of the free betas that was uploaded before the app was abandoned), but WL is more stable. Probably because you can pin it to the notification bar so Android won't kill it from time to time when it needs the memory. Or maybe because it's not beta code. I don't know, I'm not a dev, I only know the basic workings of the OS.
This sounds interesting.
But we still need something to lock the phone without using the power button.
I will purchase your suggested app and put Mixzing widget and the lock screen wigdet on it to search through music without unlocking the phone.
Thanks
If you put Widget Locker in your status bar (or launch it from app tray/homescreen, but for this purpose the status bar works better), you can go down and click it to put it in "Tool Mode" which is basically where you add all the widgets and such, as opposed to "Lock Mode" which can limit interaction (if you set it up that way). Neat trick is that you can go into the settings menu->Screen Timeout and select "Use Timeout in Tool Mode."
So you pull up WL in Tool Mode, it times out in 10 seconds, which puts the phone in lock mode, so you never have to touch the power button if you don't want to.
Neat little app eh?
..........
What if we need security a.k.a a pin code on the lockscreen?
Widgetlocker doesn't have a code system itself, so you slide to unlock then slide again then enter your pin. Pretty annoying.
Any way around this?

Smart lock and double tap to lock

Hi all, I've found a thing that annoys me so much.
Situation: you have smart lock enabled(pattern) with face recognition and you have nova launcher with a double tap gesture which points at an app like this: https://www.google.com/url?q=https:...sQFjAA&usg=AFQjCNH2WrgNyGB4zzQoGw-JCywm67EFcw (there are many apps similar, I tried with others too)
If you lock the screen double tapping, during the next unlock smart lock will be disabled. I don't know why because locking the device with the power button, the next unlock is working with face recognition.
It seems that the app which lock the device enables this feature: http://www.androidpolice.com/2014/1...-unlock-to-require-a-manual-unlock-next-time/ but why?
Can someone find a workaround for this?
Sent from my Nexus 4
There's a bug in Lollipop which affects the lock/unlock pin. Could it be that this is affecting you?

[Request] App with power button's function

Hi all,
Could anyone develop an app that reproduces the power button's function? I really would like to turn off the screen WITHOUT locking the device and turning off the "smart lock" function. I have already tried almost 20 apps(like screen off & lock) and even with tasker and secure settings, without success. I don't know what to do..
This will be useful for all who want to use "smart lock" feature integrated by Google, like trusted devices and places, face recognition, physical contact.
These are automatically disabled if you use any of the app/widget that "locks the screen".
I'm kindly asking someone who knows how to make a simple app on Android :fingers-crossed:
Thanks in advance!

How to double tap to sleep without require to enter password instead of fingerprint?

I tried nova launcher with tap to sleep app, but every time reopen the phone it will require me to enter the password again.
I think this is a new marshmallow feature. If a third party app locks phone, it requires password. What happens if you manually lock or let time out.
Sent from my SM-G935V using Tapatalk
Screen Lock Pro by Prahallad has a setting to bypass security. There is a free app by the same Dev but I haven't tried it.
Once installed you can link Nova's double tap setting to it.
Try screen off and lock app
nobnut said:
Screen Lock Pro by Prahallad has a setting to bypass security. There is a free app by the same Dev but I haven't tried it.
Once installed you can link Nova's double tap setting to it.
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Click to collapse
This ^.
It's the only app I've found that doesn't cause the pin lock screen to show the next time you unlock.
nobnut said:
Screen Lock Pro by Prahallad has a setting to bypass security. There is a free app by the same Dev but I haven't tried it.
Once installed you can link Nova's double tap setting to it.
Click to expand...
Click to collapse
Hi
Thanks for the pointer, I tried the free version of the app, and setup my Nova's double-tap gesture to use Screen Lock shortcut, I am able to lock the screen but unable to wakeup w/ a fingerprint. Is there something special you had to do?
Thanks in advance
meyerweb said:
This ^.
It's the only app I've found that doesn't cause the pin lock screen to show the next time you unlock.
Click to expand...
Click to collapse
Does this app really lock the phone or it just shutdown the screen until the phone unlock itself on its own?
Sent from my Samsung Galaxy S7 Edge Gold Platinum
Legolas2 said:
Hi
Thanks for the pointer, I tried the free version of the app, and setup my Nova's double-tap gesture to use Screen Lock shortcut, I am able to lock the screen but unable to wakeup w/ a fingerprint. Is there something special you had to do?
Thanks in advance
Click to expand...
Click to collapse
You need to Pro version to bypass nexus imprint.
turtuv said:
Does this app really lock the phone or it just shutdown the screen until the phone unlock itself on its own?
Sent from my Samsung Galaxy S7 Edge Gold Platinum
Click to expand...
Click to collapse
It just turn the screen black until it lock itself. Takes about 3-4s. I know the developer wrote there 10s but it only takes 3-4s on s7e. You know it when the AOD comes on etc etc...
As of now, from what I can tell there is no way to use an app or double tap to lock the screen without requiring a pin for a non rooted phone. Apps that turn off the screen but don't lock the phone isn't really an answer.
Sent from my SM-G935F using Tapatalk
Turn off screenow only using Screen Lock Pro
swiftfury said:
As of now, from what I can tell there is no way to use an app or double tap to lock the screen without requiring a pin for a non rooted phone. Apps that turn off the screen but don't lock the phone isn't really an answer.
Sent from my SM-G935F using Tapatalk
Click to expand...
Click to collapse
It is an answer though. You just have to tweak the settings in the security section so the phone locks immediately. There is still a 2 sec delay but to get to lock the screen with a double tap again and get to unlock with touch ID it's fine. It costs a little over $3 though.... which isn't much but is on the steep side for such a single purpose app. There is a marshmallows touch ID workaround setting in it as explained which merely turns the display blank (although for me the edge thing is still visible) then after a really short delay the screen actually turns off and AOD turns on. With the system settings set right it actually locks securely the moment AOD turns on. Max 2 sec delay. No one's gonna get a chance to get in your phone that quick.:good:
So, I did come across this same issue, and it seemed to have started for me when I applied the May Security Update. It happened on my Note 5 and my S7 Edge. But when I applied the July security patch to my Note 5, double tap to lock WITHOUT a pin next login actually worked again, not so on my S7 Edge, after applying. Havent had enough time to research and dig, but doesn't make sense working on 1 and not the other when both are 6.01, both on July security patch, both Verizon models, and both use Nova Prime. Has had me stumped since May....
Sorry. Original post placed in forum for wong device.

"device administrator locked device" when unlocking with fingerprint

First my fingerprint scanner works perfectly 10 out of 10 times it recognizes my finger,
but sometimes the lock screen take me straight to pattern lock and the message "device administrator locked device" appears on the screen.
why it is happening and what is the meaning of that?
Do you use an exchange account on it? if so, it is possible that adminstrator policies from that are nor considering the Fingerprint a viable security for the phone. Or it may force the pattern after a certain amount of time
pickupman66 said:
Do you use an exchange account on it? if so, it is possible that adminstrator policies from that are nor considering the Fingerprint a viable security for the phone. Or it may force the pattern after a certain amount of time
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Click to collapse
No.. I don't use an exchange account, thanks.
Are you using the FingerPrint Quick Action app? What are your current Device Administrators, knowing what devices are permitted to lock your screen as an Administrator will help you identify the culprit.
Donjuanal said:
Are you using the FingerPrint Quick Action app? What are your current Device Administrators, knowing what devices are permitted to lock your screen as an Administrator will help you identify the culprit.
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Click to collapse
I don't use FingerPrint Quick Action app..
I attached a screenshot of my Device Administrators..
I have disabled them for now to see if it was the cause of the problem.
Avshalom210 said:
I don't use FingerPrint Quick Action app..
I attached a screenshot of my Device Administrators..
I have disabled them for now to see if it was the cause of the problem.
Click to expand...
Click to collapse
screen off and lock is the culprit, any device administrator that locks your screen will require a pin to unlock regardless of fingerprints or smartlock configuration.
Donjuanal said:
screen off and lock is the culprit, any device administrator that locks your screen will require a pin to unlock regardless of fingerprints or smartlock configuration.
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Click to collapse
Yes you are right!! but how can I turn off my screen with an app and not dealing with this sh*t?
Avshalom210 said:
Yes you are right!! but how can I turn off my screen with an app and not dealing with this sh*t?
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Click to collapse
The app in question needs to turn the screen off via root. The fingerprint quick action app does just this.
why do you need an app to turn off screen? is your power button dead?
pickupman66 said:
why do you need an app to turn off screen? is your power button dead?
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Click to collapse
I just want to replace the home button long press from google now (or now on tap) to turn the screen off..
I did it with the "Screen off and lock" app but it caused the pattern lock "issue".
Nova Launcher will allow you to do a double tap to lock the screen. It will either lock it without use of fingerprint or it will set up a black screen and time out to use your device security or it has a root abilities to lock your device and use device security.
sent from my pixelated Nexus 6p
pickupman66 said:
Do you use an exchange account on it? if so, it is possible that adminstrator policies from that are nor considering the Fingerprint a viable security for the phone. Or it may force the pattern after a certain amount of time
Click to expand...
Click to collapse
get shortcut lockscreen in firmware (I using Huawei P9 emui 5.0 Android 7.0)
Power goggle is great and the only problem is the same screenlock problem as you described.
Avshalom210 said:
First my fingerprint scanner works perfectly 10 out of 10 times it recognizes my finger,
but sometimes the lock screen take me straight to pattern lock and the message "device administrator locked device" appears on the screen.
why it is happening and what is the meaning of that?
Click to expand...
Click to collapse
Strange
This is intended behavior on android 7+. Tested on Galaxy S5 with 7.1 Linage, Huawai Mediapad M3 and Galaxy S8+
However there is an app for samsung edge ( not sure if all edgy phones, tested on s8+ ) that can lock the screen without using device administrator. The app in question is Softkey Edge for Edge Panel, installed from galaxy app store. It allows the phone to be unlocked from fingerprint, without pin or pattern as nova prime screen lock gesture for example. And without root.
So there is a way to lock screens without device administrator, we just need to find it.
It's strange. I did not have this problem ever. I had to reload my phone because Oreo update blew up some programs I use a lot. So I downgraded, and now I have this problem.
I don't see anything in my Device Administrators that would cause this. And I haven't added any new programs for quite a while.
i have the same problem .after i unistalled screen off and lock application ,after working fine.
santhosh215 said:
i have the same problem .after i unistalled screen off and lock application ,after working fine.
Click to expand...
Click to collapse
I presume that is a third party app. I don't have that to uninstall.
I found that the app "Files", a Huawei system app, giving this problem when marked as a device administrator. Disabling it's device administrator privileges solved the problem for me. Who would have thought Huawei's own app gave this problem.
I now lock my screen using Greenify's Sleep & Hibernate action, set up to be activated with a double-tap under Nova Launcher's gestures settings. No problem waking up and using fingerprint. Of course, Greenify must not be a device administrator as well. There are other ways to shut down the screen if not using Greenify.
hyborian said:
I found that the app "Files", a Huawei system app, giving this problem when marked as a device administrator. Disabling it's device administrator privileges solved the problem for me. Who would have thought Huawei's own app gave this problem.
I now lock my screen using Greenify's Sleep & Hibernate action, set up to be activated with a double-tap under Nova Launcher's gestures settings. No problem waking up and using fingerprint. Of course, Greenify must not be a device administrator as well. There are other ways to shut down the screen if not using Greenify.
Click to expand...
Click to collapse
Can you help with how it is made?

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