Question Apps not showing in full screen settings? - Samsung Galaxy S21 FE

I am trying to change my apps to full screen mode, however, when I go to the 'Full Screen Apps' setting, it only shows 4 apps to chose from. Is this a known bug? My previous galaxy phones showed every app and allowed me to force Full screen.

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Galaxy S3 i747m HOMESCREEN BUG..

I realized that the homescreen has some bugs especially if you disable the lock screen from settings..
It happened a few time in the past few days..
When I click the home button, the device is on, and I do not need to unlock it since the lockscreen is disabled.
Sometimes, after turning the phone screen on, all my homescreen widgets and the bottom shortcut bar(phone,contact,message,menu) would start to flashing like crazy...
The phone is still responsive, e.g. opening menus, change settings, top menu bar still slides down and up fine, everything is fine operationally except for the flashing widgets and bottom shortcuts..
I turned the screen off and back on, same flashing is present..
I have to power off the phone or restart the phone and it will return back to normal..
I believe this is definitely a software bug... Anyone familiar with this bug?
Are you running stock or are you rooted with a custom recovery?
Sent from my SGSIII with the XDA Premium App
All Stock on my GS3
No recovery mod.
Rogers Samsung Galaxy S3 i747m
Stock Samsung ROM: May 23 build Android 4.0.4 (Rogers Wireless)
My screen lock is turn off btw.
UPDATE:
Also I found out exactly what is triggering this issue..
It has to do with the Developers Options under the Do Not Keep Activities and Background Process Limit..
I am experiencing this issue only when I tick Do Not Keep Activities, and set the Background Process Limit to No Background Process...
Also, today another issue showed up with the same 2 settings ticked Do Not Keep Activities, and set the Background Process Limit to No Background Process.
Basically what it happened is that when I turn on my phone, and open windows such as messages and settings, the phone would automatically attempt to close it down after 2-3 seconds... Also due this time, I received a message, my message tone changed back to the bird chirp default message tone rather than the Pure Bell message tone I setup previously.. When I manage to open the sound settings, I took a quick look and it was still set to Pure Bell, and after a second or so, the phone closed the entire settings window down...
I just press hole the power and click on Restart...
Now the phone reboots, and the phone is back to normal...
When I went back to sound settings, all my own settings are still there
BUT
When I went to the Developer Options, the setting for Do Not Keep Activities, and Background Process Limit where back to the default values.. (Do Not Keep Activities is not UNTICKED, and Background Process Limit is set to Standard Limit automatically by my phone after the reboot.)
I thought it was weird how the phone changed my settings after reboot, and the OS acts weird before I rebooted...
After using it through out today with the default settings for Do Not Keep Activities, and the Background Process Limit, my phone is acting fine.....
Pretty sure this is a SW bug, it is not a HW problem..
I think it did exactly what it should do with those developer options enabled. That was a very aggressive setting use used and does not represent normal operation of the software.
Sent from my Red S3
So this is a known issue?
Yes, pretty much Developer Options are pretty unstable...
The only setting I kept for are Mock Location (for those apps that use GPS without my permission) and the Animation options to 0.5x so the animation is faster.
Turning the Mock Location and Changing Animation Settings do not seem to affect the stability of the Stock ROM
Why on earth would anyone with a phone this powerful want to use those two options anyways!? I would say yes u have those problems with those options on... you have plenty of resources so don't do that to your phone and yes those are "developer options" and typically only temporary testing scenarios for "developers" just leave at default and be happy with much better working phone!
Sent from my SGH-I747M using xda premium
I use those 2 memory clearing options just to extend battery life.

[Q] Lock sceen pic keeps disappearing

Per the title, occasionally, my lock screen wallpaper simply disappears to leave a black background. On one occasion the pic reappeared on its own but normally it takes a restart to rectify. My phone is not rooted. Any ideas on this ?
same issue here.
Is the pic located on your phone memory or SD card? Are you using a lock screen app or stock lock screen? Aftermarket launcher?
Using stock lock screen. Ive had this happen with pics on device and on SD card
Refreshing thread. I could not find any info around and currently experiencing same issue on:
NOTE 4, stock ROM, stock lock screen, KitKat 4.4.4, Nova launcher, pic. both on SD and device. Lock screen pic. disappear randomly turning into black. Lock screen settings:
- Swipe with popping colours - when on home WiFi
- PIN when on 3G
Settings applied via Tasker. Worked well on NOTE 3, KK 4.4.4.
So far tried:
- Clearing gallery cache - does not work
- Setting a different pic. through settings - does not work
- Restarting the device - works for some time until it goes black again...

Help with "Screen Overlay" settings not allowing me to run some apps.

I had a problem with Waze...so I uninstalled and then reinstalled it. When I open it up....it does the normal "Allow Waze to access this device's location?" So I select ALLOW and then I get this "Screen overlay detected" prompt. Says I have to first turn off the screen overlay from Settings> Apps OPEN SETTINGS ....so I hit the open settings and then it goes to the Draw over the other apps "Enabled list" of apps. I then scroll down to waze and it is already set to No...or off. I tap on Waze and then the draw over setting shows the toggle set to off....and also grayed out.
This happens with several apps......I have never had to deal with this "Draw over other apps" setting on any android device I have had yet to date. I had been using the Nexus 6 prior to the G4 and never had this problem with Overlay settings or the draw over apps thing. So I am perplexed at this....is this something that has come about more from Marshmallow?
Any help with getting some of my apps to get past this to start would be very appreciative...thanks!
bump....
Same problem here with a G3
I'm having the exact same issue with Waze on a G3.
I guess you have an app that is using overlays, like Lux Lite or the likes to setup brightness or color. Give that app the permission and your troubles should be over.
Sent from my H815 using Tapatalk
I've got the same problem. But I've set it to allow Twilight permission, and is still doing that endless loop with the greyed-out bit mentioned above.
I got it to work by turning overlay OFF for Twilight.. but then Twilight doesn't work. Why is this app even checking for overlays? Waze gets to be uninstalled for this treason.
So frustrated
I don't use Waze, but this same issue has rendered my G4 a nuisance rather than a useful tool. For example, I cannot add nor edit contacts because my contact list doesn't have permission to access my calendar (which shouldn't matter), but I cannot grant that permission because of screen overlay. I can't add anything to my calendar from my phone because of screen overlay. Custom ringtone... nope. Screen overlay. Essentially anything that involved editing, adding, or deleting of any kind is verboten because of this screen overlay nonsense.
I have tried turning off screen overlay to all apps that will allow me to, but some are grayed out and unable to be changed but they appear to be off. I can't even imagine what app I have installed that would use it so I can target it specifically and uninstall it altogether. Is there a fix for this other than turning it off for all apps? Maybe an app or bit of code that suppresses it?
Thank you in advance.

Error - 3 apps kept open for quick launching

I am experiencing an error when I lock only one app and it thinks I have locked three. I hit the Close All button to clear out all apps except for the ones I have locked open, but only one remains. After one app is locked the a notification appears at the bottom of the screen stating "3 apps kept open for quick launching" and the "Keep open for quick launching" option is grayed out.
S20 locked apps not appearing in recents https://imgur.com/gallery/Yf4KkcK
Is there any place to find apps that I have locked open? Or maybe just unlock all apps and start over?
ziggyjustice said:
I am experiencing an error when I lock only one app and it thinks I have locked three. I hit the Close All button to clear out all apps except for the ones I have locked open, but only one remains. After one app is locked the a notification appears at the bottom of the screen stating "3 apps kept open for quick launching" and the "Keep open for quick launching" option is grayed out.
( . . . )
Is there any place to find apps that I have locked open? Or maybe just unlock all apps and start over?
Click to expand...
Click to collapse
Since today I'm having the exact same issue on my Galaxy S10. In my case I think it happened because I already had 2 apps locked in One UI 2.1. After installing the new update for One UI 2.5, the 2 locked apps (WhatsApp and Instagram) disappeared from the Recent Apps list. I can re-lock WhatsApp and Instagram, or any other app for that matter, but when I want to lock a second app, it's grayed out. I've tried rebooting, shutdown for approx. 1 minute, cleaning cache and memory with several different apps, nothing seems to fix it. If a factory reset appears to be the only solution, I'll let it be for what it is now. It -is- annoying though.
(I have a non-rooted device, so my options are limited)
reset defaults on the apps your trying to pin
digitaljeff said:
reset defaults on the apps your trying to pin
Click to expand...
Click to collapse
I just tried this with Instagram and Whatsapp, didn't work either. I even deleted the whole Instagram app (including leftovers) and re-installed the app. Still the option "Keep open for quick launching" is grayed out. Not only with the Instagram app, but with other apps too. The only app I have pinned at this very moment, is WhatsApp. If I unpin WhatsApp, it does let me pin another app, but just 1. The second app I want to pin, is then grayed out again. (I can make screenshots or a screenrecord if you'd like to get a better look at the problem)
Need 12GB RAM or over for three and need 16GB and over for 5.

Question Screen goes off when covering the front sensor (with April update)

Hi,
Since the April update I got an issue with my pixel: every time I cover the front sensor (camera and/or light sensor), the screen goes off for a little time. This is like a pocket mode, but I don't find the setting in the Pixel menu. Does anybody knows how to fix this?
Interesting.....not experiencing the same. GL!
I just rebootet my phone and the issue was gone! Strange...
daniel.1983 said:
I just rebootet my phone and the issue was gone! Strange...
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Click to collapse
I assume you are using the default Google Dialer and you've checked it's the default dialer when you go to Android Settings --> apps --> default apps: Phone App.
If this happens again, clear storage on the Phone App and then enable all permissions including advanced options. The way to get into app permissions: long-press on phone app shortcut, app info, then under storage; clear storage. in the same 'app info' window, enable any options under 'advanced' such as display over other apps.
I did experience this a few weeks ago when using a different dialer/phone app (Koler).

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