ANYONE KNOW HOW DO WE TURN THIS &*# OFF - ''content-based dynamic contrast'' - Nexus 6 Q&A, Help & Troubleshooting

And yes I did make the title CAPS, because I am a bit cross they thought this would be a good idea.
Personally I don't think our screens need this feature....
It seems the nexus 6 has this 'automatic contrast brightness' feature built in.
Really, i cant think why.
I am really enjoying the phone, but for me the brightness just is not up to scratch (unfortunately) but hey hoo.
Anyway, i noticed this happening to mine. Start chrome for example, for a split second the screen is bright then it dims down.
I would say this is software setting, but it seems there is no access to it, can it be fixed by kernel setting or some other rom mod?
Cheers
MJ-12

Do you have Adaptive brightness turned on in the Display settings?

are you noticing this at full brightness?

stevemw said:
Do you have Adaptive brightness turned on in the Display settings?
Click to expand...
Click to collapse
Hi, yes it is off as is ambient display...
As stated in the OP, this is built in on the Nexus 6 as it is with the LG2 also i think.
It would be great if we where able to disable it, but from what I have read about Content-based Dynamic Contrast it might be kernel related or something within the rom...
Does anyone have any info on this CDC feature?
Cheers
MJ-12

There is no such thing. Do you have any reliable reference that it's a feature of the N6? I can only find one article from "PC Pro UK" whatever that website is.
What does happen like it happens with most if not all OLED (and Plasma btw) is that the screen has a max overall brightness it can achieve. If you have a small white square it will be able to get brighter than if you had the whole screen white.
In practice I don't notice it though, with the phone turned to max brightness and then opening a mostly white empty Chrome page.

Are you running stock? I don't have this type of issue unless I have adaptive brightness on.

Related

[Q] Please help- Screen TOO bright even at lowest setting! :( any remedy?

Hello everyone
I just got the Samsung I9000 Galaxy S yesterday and my worst nightmare has come true. I have sensitive eyes and keep brightness on all my equipment at the lowest level. I had asked someone before buying this phone and he told that it is manageable but now I find out that the screen is way toooo bright even at the lowest setting!
It strains the eyes + drains the battery.
Suppose we are not connected to internet through any source. Then if we refresh any widget we get the error "Please check your network access" and the screen goes dull in background. Now thats the perfect setting I would like for the phone.
Any idea how we can reduce the brightness even further through Mod or through factory settings or somehow?
I would really appreciate any help on this one.
Regards.
You are a vampire?
Bright on 35% level is correct.
staticduo said:
You are a vampire?
Bright on 35% level is correct.
Click to expand...
Click to collapse
Try fiddling with your phone in the morning, just as you've woken up. It works as a nice wake upper though. .
Android default min brightness is 8% (even though it reads 0%).
Two apps that give you less than 8%, both goes to 0% :
- Brightness Level by CurveFish
- Dimmer (Night Mode) by geekyouup
Also, look into changing your background color to black, it'll save you battery and be easier on your eyes. Lastly, the browser has its own brightness setting, found by hitting menu > settings.
Alternatively, only use under direct sunlight.
staticduo said:
You are a vampire?
Bright on 35% level is correct.
Click to expand...
Click to collapse
Lolz. I am just a human with sensitive eyes.
alovell83 said:
Android default min brightness is 8% (even though it reads 0%).
Two apps that give you less than 8%, both goes to 0% :
- Brightness Level by CurveFish
- Dimmer (Night Mode) by geekyouup
Also, look into changing your background color to black, it'll save you battery and be easier on your eyes. Lastly, the browser has its own brightness setting, found by hitting menu > settings.
Alternatively, only use under direct sunlight.
Click to expand...
Click to collapse
Thanks. I would try the dimmer and see if 0% helps somewhat though I have read that its only marginally better.
I am hoping that there should be a way to reduce it somehow since it gets reduced when we see some error just like I mentioned in 1st post.
I agree even at the lowest level its way to bright.
I have the curvefish brightness app, but even set to 0 its too bright for use in the darkness.
goyal.sanchit said:
Thanks. I would try the dimmer and see if 0% helps somewhat though I have read that its only marginally better.
Click to expand...
Click to collapse
I've actually written that it's only a marginal improvement, but I omitted that opinion here since I think my opinion is less applicable to someone with sensitive eyes. You might perceive a 3x decrease than what I did, not sure if that'd still be enough.
Again, I think changing to a dark background will get you more mileage, if you haven't already done so.
alovell83 said:
I've actually written that it's only a marginal improvement, but I omitted that opinion here since I think my opinion is less applicable to someone with sensitive eyes. You might perceive a 3x decrease than what I did, not sure if that'd still be enough.
Again, I think changing to a dark background will get you more mileage, if you haven't already done so.
Click to expand...
Click to collapse
Currently I am using a relatively black background but when surfing most webpages have white background and that really is painful! I guess I may have to look for some tinted screen protector!
i know this may sound strange, but If I wear my sunglasses at night while browsing it works quite well
You can also use tasker for lower brightness levels..
Sunglasses.
THUDUK said:
i know this may sound strange, but If I wear my sunglasses at night while browsing it works quite well
Click to expand...
Click to collapse
I wear spectacles so cant wear sunglasses
dekeijzer said:
You can also use tasker for lower brightness levels..
Click to expand...
Click to collapse
I am currently using "Dimmer". It takes the brightness levels from 30% (Though in settings it show minimum only) to 10%. I have also tried "Quick settings" so I guess tasker would perform the same function.
When we have locked our screen and we have to unlock we have to slide the screen. When we do that it seems like we have to slide a transparent layer of glass which is quite dark.
Now I am no developer but is it technically possible to create an app which is like a layer of tinted glass on screen so that it dims the screen further?
Regards
I haven't tried the dimmer apps yet but I DO agree that I miss my iPhone which can be set to a much lower brightness level for better privacy, night vision, "before sleep reading".
but I think it has something to do with the display technology. The OLED for Samsung may not permit such low levels or so. I am not sure...
but I think it has something to do with the display technology. The OLED for Samsung may not permit such low levels or so. I am not sure...
Click to expand...
Click to collapse
At first even I thought that and I was worried about that. But there are some times for example when you get some error on the screen the major part of screen goes quite dull so it is indeed possible to do that technically I guess just that it cant be done through brightness.
I am baffled why did the Samsung/Android guys set lower level of brightness as option also. It would have cost them nothing and would have saved us a lot of strain and battery life.
PS: Is this the issue with Android or Samsung?
To someone with a bit more knowledge: how hard would this be to do something about? We all know the screen dims to a level that's not for the moment available to manually set some time before it shuts off, so it's got to be a way.
The screen is just too bright for me at the lowest setting - meaning it hurts me eyes (some pity here Samsung) and consuming a lot more battery than it needs to.
+1 for the app that will do this
got me new galaxy s for a couple of weeks now.. but really miss my old htc hd... the minimum backlight setting was awesome for nighttime reading/browsing.
switching on the sammy in bed in the week hours of the night makes my eyes burn! hehe.
an app to force lower or add a filter over the entire screen would be awesome!
samsung galaxy s has a SUPER AMOLED display which is why its bright even at lowest level.
Maybe your device shares our problem?
http://forum.xda-developers.com/showthread.php?t=765569
AnnihilatorSC said:
Maybe your device shares our problem?
http://forum.xda-developers.com/showthread.php?t=765569
Click to expand...
Click to collapse
Well I dont know for sure. The device has been working same since the 1st day. I guess its just that the brightness is too much for me. As far as the screen is concerned I didnt notice anything significant but any easy way to check about the problem?
Regards.

Is the pink tint on all devices or is it a defective screen issue?

Hi, I have noticed the pink tint to the screen when using adaptive brightness below 30-40% and was wondering if it effects all devices.
I have read a lot of people talking about it and that it happens because the screen goes so dark and some people are saying that it is supposed to happen. Is this true and if not is it effecting all devices?
I am on my 3rd device now the first one i took back after a few hours as the screen was tinted really yellow and uneven and my second one had image retention pretty bad and would happen after 5 seconds of the nav bar being displayed and i dont know if it effected them as i didnt try adaptive brightness as i didn't ha e them for long enough.
The one thing i find really weird though is that i have been using the lux app to test if it was to do with the phone going so dim and while there is a slight pink tint when putting the brightness down on the lux app it is no where near as bad as when adaptive brightness is being used and the lux app goes a lot darker.
Thanks.
I've seen all does it specially at night. I consider this is normal
Its because you're brightness is below 0. If you use adaptive brightness at night its lower than 0 without adaptive brightness. You will see the same thing if you use the lux brightness app.
Edit: I noticed you used the lux app, you're correct its not as bad with it, but it's still there. I could be a software implementation or a bug for all we know.
So it is actually on all devices and not a select few?
I got 7 days to return it for another one but if it is on all devices and there is nothing that can fix it i dont think there is no point in risking it for another nexus 6 that could have a worse screen like uneven colours.
lew87ys said:
So it is actually on all devices and not a select few?
I got 7 days to return it for another one but if it is on all devices and there is nothing that can fix it i dont think there is no point in risking it for another nexus 6 that could have a worse screen like uneven colours.
Click to expand...
Click to collapse
Search
http://arstechnica.com/gadgets/2014...e-premium-price-still-comes-with-compromises/
lew87ys said:
So it is actually on all devices and not a select few?
I got 7 days to return it for another one but if it is on all devices and there is nothing that can fix it i dont think there is no point in risking it for another nexus 6 that could have a worse screen like uneven colours.
Click to expand...
Click to collapse
This is more of a feature than a defect, frankly...
Not that it is pink, but that it can be dropped down as low as it can.
Basically, there is a minimum brightness threshold. The lower the brightness, the less power it consumes. If you set the brightness below a certain point, the colors (because of the nature of the amoled) will start to mess up a bit. Most vendors will set the minimum brightness high enough to not have this happen. Google sets it a bit lower to save a bit more power, without making the colors go *entirely* crazy by setting it WAY too low.
Its made like that to conserve power. All nexus 6 are like that
I thought it was a defect too until I started researching and like someone suggested turned off adaptive brightness which made the tint go away completely even at lowest brightness setting.
Sent from my Nexus 6 using XDA Free mobile app
pwc realtor said:
I thought it was a defect too until I started researching and like someone suggested turned off adaptive brightness which made the tint go away completely even at lowest brightness setting.
Click to expand...
Click to collapse
Adaptive brightness is actually a really nice feature.
If the pink bugs you too much, you can (if you know your way around a compiler, that is...) bump up the minimum a little.
What if adaptive brightness is off, and the brightness is set to at least 70%, and the pink tint crap still happens? kernel issue? nougat issue? Because it's very annoying, randomly happens to me. usually, going into twrp and clearing cache fixes it. sometimes it doesn't though.
Help.
EDIT
Never mind. I figured it out. it was night mode that was causing the pink tint via purenexus settings.

Set sun brightness mode?

I think it's just not possible to manually set highest brightness of display in Android 9. But is there any way how to set it via some app or edit something?
I know there is toggle for adaptive brightness, but setting it for full brightness will just make display cca 70% of possible brightness. The 100% brightness is on only when sunlight comes to the light sensor. When I use Note9 for flying DJI drone on sunlight, I want to have 100% display brightness for that 10 minutes of flight. It's just sooo annoying that I have to use separate flashlight - shining to the Note9 sensor to have full brightness on sunny day in shadow. Otherwise, just manually set brightness is not enough for flying and reflections are stronger than display...
Thanks for ideas!
jd14771 said:
Really easy fix..
- pull down notifications
-expand all notifications
-expand brightness settings by hitting the downward facing arrow (brightness settings)
- select "show brightness settings on top"
Now you can bump up your display brightness for those 10 minutes. It would be absurd to spend any more time on an app selection
Click to expand...
Click to collapse
Thanks, but I can say I'm kind of poweruser So again - When you set brightness manually all the way up, it's just 70% of possible brightness. It still uses light sensor to detect light and if you face the sensor (still manually on full) towards the sun, ONLY THAN you'll get 100% of hardware brightness.
Haha, okay... Maybe somebody else with Note9 and experience with Samsung's "outdoor display mode" may know. Anyway, see the attached image, maybe you get that point from other user...
I've use to do it on my Note 2 this way, I don't know if it will be any help. I know what you mean, the extra brightness is there, you just want to be able to switch it manually.
https://forum.xda-developers.com/showthread.php?t=2008197
konvalink said:
I think it's just not possible to manually set highest brightness of display in Android 9. But is there any way how to set it via some app or edit something?
I know there is toggle for adaptive brightness, but setting it for full brightness will just make display cca 70% of possible brightness. The 100% brightness is on only when sunlight comes to the light sensor. When I use Note9 for flying DJI drone on sunlight, I want to have 100% display brightness for that 10 minutes of flight. It's just sooo annoying that I have to use separate flashlight - shining to the Note9 sensor to have full brightness on sunny day in shadow. Otherwise, just manually set brightness is not enough for flying and reflections are stronger than display...
Thanks for ideas!
Click to expand...
Click to collapse
There are a number of apps in the 'Playstore' that purport to do what you want.
The one that I use is called 'High Brightness Mode', it's a free app and enables you to place a widget that can be used to manually crank up the brightness to beyond the 100% shown by the brightness indicator,.
According to the instructions, it goes a lot higher if your device is 'rooted', but nonetheless works on 'unrooted devices too.
It seems rooting is the only way how ti get 100% brightness...
@jd14771 - here is the sample:
jd14771 said:
Try turning on adaptive brightness.
Click to expand...
Click to collapse
To achieve what? I want to have 100% brightness MANUALLY.
No adaptive. No automatic. No light sensor.
jd14771 said:
could have just tried turning on adaptive brightness. from what i read outdoor mode wont trigger unless you are on adaptive brightness at exactly 100% brightness.
if i had to guess its because the max brightness in the sun causes display burn in- so to limit the issue they only allow adaptive brightness to go past the 75% software max
Click to expand...
Click to collapse
Yes, but as the OP was trying to point out, the software absolute max is actually about 15-20% below the hardware absolute max capability.
This can be enabled by tweaking the sys file related to brightness, to rewrite the specific line, you need to be 'rooted'.
jd14771 said:
I have yet to see you provide instructions on how to do that.
regardless you dont need to be rooted to get the extra brightness, conditions have to be met in order to save the screen from burn in abuse. There are tons of people reporting burn in from the outdoor mode. it only make sense that only adaptive brightness can take the screen into danger territory, probably has safegaurds built in to avoid damage to this $1000 phone. so far ive provided more insight than anyone.
Beggars can't be choosers.
Click to expand...
Click to collapse
Once 'rooted' there are a number of 'Magisk/Xposed' modules that can be installed to push the brightness beyond what's available by default.
Did you want me to detail the 'rooting' and install process?
If you do a quick 'Google' you'll find a number of threads on 'XDA', 'Reddit' etc, going back a number of years which are the focus of the OP's issue.
Guys/Gals
ENOUGH with the off-topic flaming and spam posts.
Let's help each other instead of talking down.
I'll delete every flaming or spam post.
jd14771 said:
just delete the whole thread, op was flaming.
Click to expand...
Click to collapse
Since YOU'RE one of the ones I was referring to as spamming and trolling, last warning.
If the OP wants thread deleted, he can make a RP or PM me directly.
Keep spamming this thread with nonsense, and I'll get infract-happy.
konvalink said:
To achieve what? I want to have 100% brightness MANUALLY.
No adaptive. No automatic. No light sensor.
Click to expand...
Click to collapse
The brightness slider full to the right, regardless of the adaptive brightness setting is as bright as the phone gets.
How do I know this? Because e-ticket apps such as Ticketmaster and mobile payment apps like Samsung Pay go full brightness when showing barcodes, and there is no difference between manually set 100% brightness and 100% brightness when set by Ticketmaster and Samsung Pay.
The problem you are facing is caused by those who wrote the software that displays the video feed from the drone.
pTeronaut said:
The brightness slider full to the right, regardless of the adaptive brightness setting is as bright as the phone gets.
How do I know this? Because e-ticket apps such as Ticketmaster and mobile payment apps like Samsung Pay go full brightness when showing barcodes, and there is no difference between manually set 100% brightness and 100% brightness when set by Ticketmaster and Samsung Pay.
The problem you are facing is caused by those who wrote the software that displays the video feed from the drone.
Click to expand...
Click to collapse
incorrect, the sun brightness method as well as youtube and the photos app does go brighter than the screen is normally i have max brightness past the line adaptive brightness off performance mode turned on with brightness set to 10+ specifically which boosts the brightness past the normal brightness as well as vivid mode but still not the same as the brightness you get in youtube apps or on the photos app, the xperia 1 and xperia 5 does this too and i thought it was specific to them.
bradhoschar said:
Since YOU'RE one of the ones I was referring to as spamming and trolling, last warning.
If the OP wants thread deleted, he can make a RP or PM me directly.
Keep spamming this thread with nonsense, and I'll get infract-happy.
Click to expand...
Click to collapse
Seriously, man, you need to pay more attention to the threads in these forums. They are overrun with this kind of bickering now, and not a peep out of you.
gruuvin said:
Seriously, man, you need to pay more attention to the threads in these forums. They are overrun with this kind of bickering now, and not a peep out of you.
Click to expand...
Click to collapse
Please report any posts containing rule-breaking content. I assure you, we WILL see them and act on them.
Thanks!
pTeronaut said:
The brightness slider full to the right, regardless of the adaptive brightness setting is as bright as the phone gets.
How do I know this? Because e-ticket apps such as Ticketmaster and mobile payment apps like Samsung Pay go full brightness when showing barcodes, and there is no difference between manually set 100% brightness and 100% brightness when set by Ticketmaster and Samsung Pay.
The problem you are facing is caused by those who wrote the software that displays the video feed from the drone.
Click to expand...
Click to collapse
Nope

Weird glitch when phone is in dark mode (colour shifting when taping display)

Hi everyone,
Got my Pixel 4 XL on the 23rd and been playing around with it since then. I am now settling into a rhythm and noticed a very concerning glitch with the display when the phone is in dark mode. Basically, when the phone is in dark mode I noticed that typing in Gboard or tapping anywhere on screen in apps that are not pure black (such as Messages, Phone, etc.) will shift the screen colour from blueish-black to greenish-black. This happens every time, even after rebooting the device. There is no visible colour shifting in apps that use pure-black such as Settings (however, parts of Settings like the search bar that are the "gray" dark colour also shift). Once I noticed this happening now I cannot stop noticing it everywhere. I am looking to find out from you whether you are seeing the same thing or whether this may be a device problem. Note that the same issue shows up in dark apps even if dark mode is not enabled. It also has nothing to do with Ambient EQ, Automatic Brightness, or anything else of similar nature. Occasionally the problem stops, but if I pull up Gboard and start typing (say to search in the Recent section of the phone app) the problem immediately comes back.
I am looking for serious feedback here from those willing to look closely. This does seem like a software glitch to me, rather than hardware, especially since I am not seeing this behaviour with any other colours and so far it definitely has something to do with physical interaction with the screen when tapping on it. As I said, it also seems to be universally triggered by Gboard when in apps running in dark mode.
I appreciate any feedback you can provide.
Edit: Looks like what I'm observing is related to the switching colour profiles when the display is going back and forth between 60Hz and 90Hz. Turning off the smooth display function or forcing the display into permanent 90Hz mode appears to stop the problem from happening. Google really messed this one up. I hope their 90Hz fix they promised clears up this issue. Very annoyed ?
Thanks,
Dejan
Btw, since you are using forced 90hz display make sure to have always on display on. If you don't your greys will be purple and lower brightness as well as lots of black smear/crush. I don't know how turning on always on display solved that issue (someone posted this fix in another thread). So it indeed doesn't seem to be hardware but software related and hopefully they will tune this over time.
zetsumeikuro said:
Btw, since you are using forced 90hz display make sure to have always on display on. If you don't your greys will be purple and lower brightness as well as lots of black smear/crush. I don't know how turning on always on display solved that issue (someone posted this fix in another thread). So it indeed doesn't seem to be hardware but software related and hopefully they will tune this over time.
Click to expand...
Click to collapse
Yeah, I saw that thread. Some funky stuff going on with display calibration and 90Hz. Since I know that the HW is not defective and the SW is the source of the issue I am less bothered now (I cannot stand exchanging HW). I haven't specifically observed that effect on my phone and while I did try forcing 90Hz, I actually went back to the stock setting since I noticed that forced 90Hz further sucked down the battery that already is not particularly stellar despite this being the XL version. I presume Google will refine the 90Hz calibration and function over the next few months. I will say though that I am a bit confused why they need to have different calibration at different refresh rates. I calibrate all of my desktop monitors and despite the fact that I have a 100Hz monitor I never have to change calibration with refresh rate. Maybe an OLED thing :shrug:
dhorgas said:
Hi everyone,
Got my Pixel 4 XL on the 23rd and been playing around with it since then. I am now settling into a rhythm and noticed a very concerning glitch with the display when the phone is in dark mode. Basically, when the phone is in dark mode I noticed that typing in Gboard or tapping anywhere on screen in apps that are not pure black (such as Messages, Phone, etc.) will shift the screen colour from blueish-black to greenish-black. This happens every time, even after rebooting the device. There is no visible colour shifting in apps that use pure-black such as Settings (however, parts of Settings like the search bar that are the "gray" dark colour also shift). Once I noticed this happening now I cannot stop noticing it everywhere. I am looking to find out from you whether you are seeing the same thing or whether this may be a device problem. Note that the same issue shows up in dark apps even if dark mode is not enabled. It also has nothing to do with Ambient EQ, Automatic Brightness, or anything else of similar nature. Occasionally the problem stops, but if I pull up Gboard and start typing (say to search in the Recent section of the phone app) the problem immediately comes back.
I am looking for serious feedback here from those willing to look closely. This does seem like a software glitch to me, rather than hardware, especially since I am not seeing this behaviour with any other colours and so far it definitely has something to do with physical interaction with the screen when tapping on it. As I said, it also seems to be universally triggered by Gboard when in apps running in dark mode.
I appreciate any feedback you can provide.
Edit: Looks like what I'm observing is related to the switching colour profiles when the display is going back and forth between 60Hz and 90Hz. Turning off the smooth display function or forcing the display into permanent 90Hz mode appears to stop the problem from happening. Google really messed this one up. I hope their 90Hz fix they promised clears up this issue. Very annoyed ?
Thanks,
Dejan
Click to expand...
Click to collapse
I just noticed this on my pixel 4 xl tonight. But It only happens when the proximity sensor is triggered. Ex: like after making a phone call except it made everything on the screen seem over saturated on the screen and well as the same color shift you had stated. It seems to go away once I lock the device and unlock it again. It did it with smooth display on and off as well as force 90hz on and off.
There are a couple threads discussing this. Here's one of them:
https://forum.xda-developers.com/pixel-4-xl/how-to/smooth-display-colour-issues-t4000087
And another:
https://forum.xda-developers.com/showthread.php?t=3998907
Sent from my Pixel 4 XL using Tapatalk

Question Max brightness

Well I have a question.
Is it possible that the display is quite dimm even under direct sunlight and auto mode?
My gfs iPhone 12 pro max got a way brighter screen.
I'm really honest the longer I'm using this device the more unimpressed I am.
It's already dimmer than every flagship right now and it's even dimming more while gaming...
I really don't know what to think about this mobile anymore. So much which leaks way behind my expectations...
Anyone who got similar thoughts maybe?
Best regards
Turn auto brightness of and enable the following:
Settings -> Display -> Brightness Level -> Sunlight Mode on
Does it work?
Hello, thx for your reply. Already did this but seems like it's not working it's still dim. I also have lots of dust in the camera, I think I need to replace it with another one...

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