Expanded screen mode (autohide top status bar and lower nav bar) locks up tablet - Xperia Tablet Z Q&A, Help & Troubleshooting

I have been running my Tablet Z (pollux_windy) on the latest Oreo release (15.1) . Have installed a few nightly updates - but the problem below keeps occurring.
It generally runs really well - but I have discovered something that seems to be causing issues for me and wondered if anyone else has the same issue.
I like to use the full real estate of the screen, so found the Settings/Display/Expanded desktop setting that lets you hide the top status bar and the lower navigation keys go into autohide mode (you swipe up from the bottom of the screen to see them).
First time I enabled them all seemed great - Then I left the tab and the screen timed out.
I tried to wake it up (using the power button or double tap on the screen) - Nothing.
Tried this quite a few times over a few minutes.
Did a Hard power off.
Restarted eventually. Seemed ok until the screen blanked out - then the same as above.
I did eventually get the screen to wake back up without a reboot by trying the double tap and quick press of the power key. But it took quite a few attempts.
Finally I turned the full screen mode off (ie brings back the status bar and nav controls) and everything was back to normal behaviour - ie always wakes back up when required.
I have tried changing the expanded desktop mode several times and it always locks things up after the screen times out so have now given up on it.
Anyone else finding that setting this mode causes lockups?

robjg63 said:
I have been running my Tablet Z (pollux_windy) on the latest Oreo release (15.1) . Have installed a few nightly updates - but the problem below keeps occurring.
It generally runs really well - but I have discovered something that seems to be causing issues for me and wondered if anyone else has the same issue.
I like to use the full real estate of the screen, so found the Settings/Display/Expanded desktop setting that lets you hide the top status bar and the lower navigation keys go into autohide mode (you swipe up from the bottom of the screen to see them).
First time I enabled them all seemed great - Then I left the tab and the screen timed out.
I tried to wake it up (using the power button or double tap on the screen) - Nothing.
Tried this quite a few times over a few minutes.
Did a Hard power off.
Restarted eventually. Seemed ok until the screen blanked out - then the same as above.
I did eventually get the screen to wake back up without a reboot by trying the double tap and quick press of the power key. But it took quite a few attempts.
Finally I turned the full screen mode off (ie brings back the status bar and nav controls) and everything was back to normal behaviour - ie always wakes back up when required.
I have tried changing the expanded desktop mode several times and it always locks things up after the screen times out so have now given up on it.
Anyone else finding that setting this mode causes lockups?
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Click to collapse
Hello!
Please write your problem to an official bugreport https://wiki.lineageos.org/bugreport-howto.html to let the LOS developers team about the encountered issue.

Thanks. Signed up to add the fault and found someone witha different device reporting the same bug around a week ago.
Added my confirmation of the problem with different hardware.
Fingers crossed someone may have a look at it when time allows.

Related

WTF Widget locker

Am I using this app wrong or something? It lags the crap out of my device. Takes about a full two seconds to turn the screen on with it, and even then I have to wait a second or two to swipe my MIUI slider.
And god forbid I try and use the Laptop dock. If I plug my phone in with the dock, my phone sits there and I have to push the power button several times to get a response from the phone, where it promptly turns the screen off again and denies me from booting into WebTop.
I can't say I've seen that problem on my phone. How many widgets do you have on your lock screen? Have you tried running widgetlocker with only the slider to see if that resolves the issue?
I've got minimal text for time, and minimal text for the date. Then the MIUI slider. Even with just the slider, it lags like crazy.
Never had a problem. Just hit my unlock, then my back arrow and zero lag to my homescreen. Try the back button option over the slider. Maybe the slider is causing the lag.
EDIT: Just added the Miui slider and still no lag. Not sure what you have going on, sorry.

Here's how to reproduce home screen flickering

For those who are still getting home screen flickering after .14 update and thinking it's a random thing, here's how to reproduce the problem regardless of docking or performance mode:
1. Go to the home screen (you should have a decent amount of apps, widgets and folders on it).
2. Bring up something that overlays the home screen. This includes:
a. Recent Apps on the left
b. ASUS (or Android) Quick Setting on the lower right
c. Mouse cursor (arrow or circle)
(Opened folders don't seem to trigger the problem.)
3. Keep the overlay on the screen and wait. Within 10 seconds you should see a big black triangle on the lower left of the screen flickering. It takes longer for the flickering to appear for the first time, but afterwards you almost always see it after a few seconds.
4. Once the overlay is gone (for the mouse cursor, just wait about 10 seconds and the cursor will disappear automatically), the flickering will not occur regardless of how long you wait!
Hopefully this issue can be addressed in the next update!! It's starting to annoy me.
P.S. The home screen will also show some very occasional black or white horizontal lines flickering. Now I think this one is truly random. Usually you need to stare at the screen for a long time to see it.
** UPDATE **
As I've mentioned in the reply, I've discovered that having News and Weather widget in the screen on either side of the center Home Screen (but not on the center screen itself) will increase the chance of reproducibility. Also, having a lot of widgets and apps on the home screen will also do it. Having more than 7 or 8 apps in Recent Apps will definitely do it.
I have the triangle thing too but only if I have a couple of apps (enough that I can scroll the list) open.
I can't recreate it but I have seen it before
You also get some 'flickering' when you have SD card mounted and some other app is updating an ongoing notification.
It seems to forget it's place and the ordering of the notifications jump around.
Same Bug here...
i can recreate it using texttab and pressing any overlay item. its irritating
I get this bug as well in .14. I don't remember seeing it in previous ICS builds (.11 or .13), but I wasn't exactly looking for it either.
I used to get this just when it was charging in the dock... now its worse.
I've found that swiping away a few apps from the recent item overlay fixes things for me whenever it happens. It's annoying though
Yes I had this issue as well but I did a Factory Reset and re-installed my apps last night and cannot reproduce this problem now. Anyone else?
I've had this bug in every build except the current one. Seems gone for me. Only problem I've (luckily) seen with my Prime.
Sent from my Transformer Prime TF201 using xda premium
Before upgrading to ICS I didn't see the screen flicker at all, but now that I've upgraded I see it all the time when I use a live wallpaper
Mine occurs with use youtube & thumb keyboard
Open youtube app, quickly in the search bar, and as the keyboard and the video loads in the background it'll flicker
also as you type
Mickeylittle said:
Yes I had this issue as well but I did a Factory Reset and re-installed my apps last night and cannot reproduce this problem now. Anyone else?
Click to expand...
Click to collapse
Yes I finally gave in and did a complete data wipe. Initially the problem went away as expected (because the Home screens were mostly empty after the factory reset). After all the apps and Home screen states were restored, the problem came back as before, completely reproducible.
So this got me thinking: perhaps it was one of the widgets, or too many widgets/folders/apps on the home screen that's causing this flickering. I finally narrowed down to just one: the stock News and Weather widget. As long as this widget is on either side of the center home screen (but not on the center home screen itself), the flickering will appear, completely reproducible! Since this widget is not really functioning properly under ICS (no setup screen) so no lost there.
Oh, and that more-than-7-or-8-apps-in-Recent-Apps thing will also produce flickering regardless of anything, but only when you first open it up. Otherwise it works the same as other overlays if other conditions are met.
Now I have to go restore about 20GB of stuff. Factor reset wiped it all clean. The thing is, I could've figured all this out without the factory reset. Oh well.
OP has been updated.
luminus69 said:
Yes I finally gave in and did a complete data wipe. Initially the problem went away as expected (because the Home screens were mostly empty after the factory reset). After all the apps and Home screen states were restored, the problem came back as before, completely reproducible.
So this got me thinking: perhaps it was one of the widgets, or too many widgets/folders/apps on the home screen that's causing this flickering. I finally narrowed down to just one: the stock News and Weather widget. As long as this widget is on either side of the center home screen (but not on the center home screen itself), the flickering will appear, completely reproducible! Since this widget is not really functioning properly under ICS (no setup screen) so no lost there.
Oh, and that more-than-7-or-8-apps-in-Recent-Apps thing will also produce flickering regardless of anything, but only when you first open it up. Otherwise it works the same as other overlays if other conditions are met.
Now I have to go restore about 20GB of stuff. Factor reset wiped it all clean. The thing is, I could've figured all this out without the factory reset. Oh well.
Click to expand...
Click to collapse
The News and Weather made no difference for me, but the number of items in Recent Apps did. Swiping items out of the list made the triangle flicker disappear from the home screen and from within other apps.
This bug only popped up for me once the jitter came back for me - any and all overlays (including the bottom bar, notification popup, and a couple monitoring apps) constantly move up and down a few pixels. I can't capture on my cell phone because the frame rate is apparently in sync, but this video from another poster here shows it:
https://www.youtube.com/watch?v=cIO2LBMG-dc&feature=youtube_gdata_player
I really hope Gary and Asus will address this issue shortly.
I sometimes have a flickering and screen freeze during games like Reckless Racing 2 or some other too. A workaround is to go back to homescreen then and close the app where it happened.
Not sure if it's the same problem you guys are talking about.
Got still the 9.4.2.11 build here in germany. This never happened to me in the last weeks, but since 2 or 3 days I got it a few times while running games (without the dock).
The .14 update has greatly reduced this issue for me, but there is still a very brief flicker when showing the recent apps menu if there are a lot of apps in it
same problem
I always had this problem. I did factory reset once and the problem remained. After the .14 update, i still have the problem. Really really really want to have the problem solved..But thank you so much for telling me how to reproduce the problem
can't reproduce it either, but i still experience it once in a while. a minor bug, but still among a long list

S6 won't respond then will, just received it today.

Today I got my phone in. I was on the first set up page and it wouldn't respond to any of my touches. The buttons would glow like I was touching them but it wouldn't type or input. I soft reset it. It worked when I used assist touch. I hard reset it, wiped cache and factory reset. It fixed and I installed all my apps and when I plugged it into the charger it stopped working again. I can open the camera by double pressing the home button to unlock my phone but i can't open anything. It will glow like I'm pressing it but it won't open. I can pull down my notifications bar but none of my toggles or setting icon will work, again, they will glow just not open. I came back to my room and randomly it was working again, after 5 mins it stopped again.
Thank you for your attention.
ATT 64 GB
Galaxy S6 (not edge)
I don't know if this is the cause/solution to your problem, but I know S Voice can cause lag issues. By default, double pressing the home button (when device is unlocked) opens the S Voice. Frankly, it's redundant and pointless, as it's a mediocre attempt at Google Now. Open it, then go into the settings, and disable it. It causes lag because it's waiting to see if you're going to press it again or not.
But if that doesn't fix it, and it's doing that stuff before you've even set it up, I'd tend to think you've got a faulty unit. The capacitive buttons are part of the screen/digitizer, so maybe you've got a bum one.

Lock Screen hidden Notification draw hidden when turning tablet on

Hi All
I am running CyanogenMod version - 12.1-20160529-NIGHTLY-klimwifi
Kernel version 3.4.105g766de8b
I have as you can tell by my heading an issue, my tablet after using the plex app decided to power off and would not restart until I tried turning it on in recovery mode. When it did turn on the lock screen did not display the usual text (swipe to unlock) and the notification drawer would not display or pull down.
I tried cycling it on and off a few times and alternating between turning it on in recovery or download mode but no response, eventually allowed me to access the notification drawer and by creating a new profile I could access everything again. I deleted this profile just to make sure and tried it again and discovered the if I hit the volume buttons a few times everything works fine the tablet though has become slower in its response.
Has anyone else come across this issue.

Question Lockscreen is broken on my main profile

I've been documenting my struggles with my lock screen in another thread. But I just had a major breakthrough and didn't want this to get buried.
To recap, my lockscreen has been a buggy mess from day one. The fingerprint sensor barely works, the fingerprint icon randomly disappears, and the gray border that's supposed to appear around the fingerprint icon simply doesn't show up. The lockscreen doesn't light up when I pick up the phone either (it stays dimmed). Also, wallpapers don't show up on the lock screen, and the big ugly clock sometimes disappears or moves itself to the top-left.
I've tried just about everything to fix this. As a last-ditch effort, I added a new user profile only to find that the lockscreen works perfectly well for this new profile (but still not for my main one).
Here's my main profile with the unusable lockscreen:
broken lockscreen of main profile
Watch "broken lockscreen of main profile" on Streamable.
streamable.com
And here's what it looks like when using the other profile:
working lockscreen on new profile
Watch "working lockscreen on new profile" on Streamable.
streamable.com
So there's clearly some obscure bug that most people aren't experiencing here. I'd love to just figure it out so I can move on.
When I didn't have the "always on display" turned on, the phone was very consistant about turning on properly when I picked it up. I ran it this way for 3-4 days without any issues.
After reading some articles on the P6, I realized that it has an AOD and that it was turned off. So I turned the AOD on while leaving all the other settings set the same. At first, the finger print icon wouldn't appear consistantly, but that is because I had adjusted the animation scale settings in the Developer settings. Changing that back to stock fixed the issue with the finger print icon not showing up.
That beings said, I have experienced the same "unresponsive" screen many times over the last couple of days that I have had the AOD turned on. The screen stays dimmed (or even turned off if I pull the phone out of my pocket) and the finger print reader is inactive (even though the icon is displayed). The screen is suppose to turn on when I lift the phone up, but it doesn't always do it. When this happens, I have to either manually turn the screen on using the power button, or double tap the screen to wake it. This is clearly a bug in the system somewhere. I probably need to report it to Google, but hopefully it is fixed soon.
After spending way too long on this, I've determined that the bug occurs consistently with these specific settings (although it may also occur for similar ones):
Lock after screen timeout: 30 minutes (or anything high enough to prevent it from locking between tests)
Power button instantly locks: disabled
Lift to check phone: disabled
Tap to check phone: disabled
Always show time and info: enabled
Replication steps:
1) Enter the above settings
2) Press the Power button to go to the lockscreen
3) Set your phone down for a couple seconds
4) Pick your phone back up and try to use the fingerprint sensor
Result: The fingerprint sensor won't work the first time.
I think all the other issues I had were actually stemming from this one issue.

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