Database Info

[APP] SuperDim

RootDim (formerly known as ScreenDim) lets you set the screen brightness on backlit screens below what the OS normally allows, which is handy for amateur astronomy where the lowest normal OS backlight setting (even with a red nightmode) leaks enough through the black pixels to damage night vision. Moreover, SuperDim lets have several brightness profiles, and to include nightmode settings (enabled by ChainFire3D or Cyanogenmod's render fx) as part of the brightness profile.
Needs root.
Public domain, source code available. In Market (search for RootDim).

Now in Market (free, no ads).

I just uploaded version 1.10, which restores low brightness settings after the screen is turned off and back on (the OS normally was restoring its brighter screen).

Works well, but seems to mess with the functionality of the notification/charge LED (Nexus One, CM7.1)

bobtentpeg said:
Works well, but seems to mess with the functionality of the notification/charge LED (Nexus One, CM7.1)
Click to expand...
Click to collapse
I assume this is when you use the other lights option to toggle these lights, or when you restore a profile, right?
In version 1.11 (just uploaded), I no longer restore other lights when a profile is loaded--this should help with your problem, as long as you don't touch the other lights. Eventually, I may add an option to choose which lights get restored from a profile.

I originally made SuperDim for setting very low backlight settings on LCDs, and so I made it not work on non-LCD screens (e.g., OLED). But I've since realized that the profile feature might be useful for non-LCD users as well, so I've released version 1.20 that supports non-LCD screens. It's in Market. While I was at it, I cleaned up the code a little, made it more javaish (I'm new to java).

My MyTouch 4G just seems to turn the screen off totally if i go below 20 brightness, it dims but then shuts off.

Doesn't work at all with Dell Streak 5

I'm sorry to say, but Screen Filter does the same, but doesn't require root.

fifarunnerr said:
I'm sorry to say, but Screen Filter does the same, but doesn't require root.
Click to expand...
Click to collapse
Awesome, thanks for the Advise!

fifarunnerr said:
I'm sorry to say, but Screen Filter does the same, but doesn't require root.
Click to expand...
Click to collapse
Actually, all Screen Filter does is dim the colour of the pixels. This app actually modifies the screen backlight level. E.g. Screen Filter just makes the screen gray-er.
Also, works good on Sony Ericsson Xperia X10, but the backlight completly switches of when set to under 15.
Sent from my X10 TripNMiUI-IRIS using XDA Premium App

fifarunnerr said:
I'm sorry to say, but Screen Filter does the same, but doesn't require root.
Click to expand...
Click to collapse
Screen filter merely adds a black semi-transparent overlay across the screen, making it look dimmer.
This app adjusts the backlight, which means darker black levels on the screen.

Frosty666 said:
Actually, all Screen Filter does is dim the colour of the pixels. This app actually modifies the screen backlight level. E.g. Screen Filter just makes the screen gray-er.
Also, works good on Sony Ericsson Xperia X10, but the backlight completly switches of when set to under 15.
Sent from my X10 TripNMiUI-IRIS using XDA Premium App
Click to expand...
Click to collapse
My eyes don't care. +1 Screen Filter

lownox said:
My eyes don't care. +1 Screen Filter
Click to expand...
Click to collapse
Your eyes would probably care if you were doing amateur astronomy under a dark sky (which is the primary purpose for SuperDim). Screen Filter doesn't turn down the backlight, and on a lot of devices there is enough backlight leaking through even completely black pixels to damage night vision. You can try this experiment. Turn a backlit device to a completely black screen (maybe view a black jpg) and take it to a completely dark room. Let your eyes dark adapt. The "black" screen will in fact probably be quite grey. (If it's really black, that's probably because you have an OLED device.)
When I do amateur astronomy, I am not infrequently looking to see objects way dimmer than backlit black pixels.

I'd like to do something about the screen turning completely off issue.
To that end, I need people to do some experiments for me, and I will be very grateful (I'll also give a free full version of Force2SD as compensation for the first couple of experimenters, if you want it--just email me). The first experiment is this. Download SuperDim 1.22, now up in the Market. Press the menu key, and choose "Turn on safe mode" (you can tell safe mode is on, because next time you pull up the menu, it says "Turn off safe mode"). Now, turn brightness down to 10. Does your screen turn off?
I should warn that very low brightness levels can be very low indeed. For instance, if I am outdoors on a sunny day, I have trouble telling the difference between brightness 4 and off. So you need to be in a dark area--I recommend a room without windows and with the lights off.
If the screen does not turn off at 10, turn it down to 5, and then 1. Let me know if it ever turns off.
I am guessing that in safe mode, it doesn't turn off at all.
What safe mode does is it makes very low brightness settings not persist. So if you are in safe mode and leave SuperDim, you lose your low brightness setting.
I'd also appreciate it if people who can normally turn their brightness down to 1 could do some experiments with safe mode. Specifically, I'd like to know if moving the slider to 1 in safe mode has the same effect on screen brightness as moving the slider to 1 in non-safe mode has. (Again, if you're one of the first few experimenters and want a free copy of Force2SD, email me.)
On my Archos 43, brightness 1 is very, very dim, but the screen is still on. And I can't tell the difference between safe mode and non-safe mode, except that in safe mode, the settings don't persist after I leave SuperDim.

Tried this app on my desire HD.
Great idea, but when I reach 10 and below, the backlight doesn't get lower.
If I use the adb method (don't remember the command), I can set the backlight manually all the way down to 0.
There is no difference with or without safe mode on.

inspire 4g with coredroid V7.0 doesnt work

elmanortega said:
inspire 4g with coredroid V7.0 doesnt work
Click to expand...
Click to collapse
What happens? And does safe mode work?

I agree, doesn't work with Desire HD/Inspire 4G, safe mode only dims the brightness but no lower than normal, and only dims the brightness on the screen, regardless of your settings

kamranh3 said:
I agree, doesn't work with Desire HD/Inspire 4G, safe mode only dims the brightness but no lower than normal, and only dims the brightness on the screen, regardless of your settings
Click to expand...
Click to collapse
I found a bug. In fact, the bug is such that I have no idea how it was managing to work on my device at all! In any case, I think I fixed it. Try 1.23 (should be in Market or here) and see if it does the job. If not, I have some more ideas.

Auto brightness very bad/too dark.

I'm not sure what it is with this phone's auto brightness but comparing it to my old nexus 5 I can see that this phones screen is always darker. I know autob its working because I sometimes see it change automatically but its just always set to be way too dark. I
f anyone else has this problem or know how to fix it without having to manually adjust the brightness that would help a ton.
Also if you changed your lux levels please post those.
On and also I do have the official screen protector on if that matters.

genardas said:
I'm not sure what it is with this phone's auto brightness but comparing it to my old nexus 5 I can see that this phones screen is always darker. I know autob its working because I sometimes see it change automatically but its just always set to be way too dark. I
f anyone else has this problem or know how to fix it without having to manually adjust the brightness that would help a ton.
Also if you changed your lux levels please post those.
On and also I do have the official screen protector on if that matters.
Click to expand...
Click to collapse
Yes, it is a little dark, you can go to settings/display & light and hit the little gear icon, hit adjust and set up the screen brightness you like depending on the ambient light.

i am facing that some time while scrolling brightness increases for some millisecond and come to normal. i found that is twitter, some huge page in browser page.
can any one tell what could be the issue hardware or just a software bug which can be fixed with other rom installation.

[Q] Auto brightness

What am i missing regarding screen auto brightness? I keep having to manually change brightness when going from light to dark places even though i have "adapt to lighting conditions" ticked?
It feels like im wasting battery having the screen so bright at night unless i turn it down, then I have to turn it up again in the morning.. Some secret setting?

jeremy_inc said:
What am i missing regarding screen auto brightness? I keep having to manually change brightness when going from light to dark places even though i have "adapt to lighting conditions" ticked?
It feels like im wasting battery having the screen so bright at night unless i turn it down, then I have to turn it up again in the morning.. Some secret setting?
Click to expand...
Click to collapse
Same here, Someone said that the screen does dim but it does so slowly so you barely notice it! Hoever iam not convinced! Iam almost certain mine is not adjusting at all

For normal day light conditions i feel the auto brightness adjusts very well. Its definitely better than the s4 i had. I have the auto brightness selected and the bar at 50%. I agree for night time reading i have to manually adjust the brightness may be its not as quick to adjust in very low light conditions compared to day light

I was using CM11 on the S4 which had very good brightness control, not sure about standard. I agree during the day I don't have problems at all, and the screen is very good. It's just when I'm somewhere with low brightness and I have to turn it down, and then when I go back into day I have to turn it back up again. Pretty annoying having to change it all the time.
I will get an app to do it for me for now, but this must be some sort of bug this action couldn't be on purpose.

*#*#7378423#*#*
Go to service test and test it your self.
Sent from my C6903 using XDA Free mobile app

I find the auto brightness not very good.
Sometimes when the lighting condition does not change, it will start to increase/decrease the brightness to the level which does not suit the lighting condition.
It also have the tendency to favor lower brightness.
Thinking of trying out Lux Auto Brightness instead.

electrash said:
*#*#7378423#*#*
Go to service test and test it your self.
Sent from my C6903 using XDA Free mobile app
Click to expand...
Click to collapse
I don't know if you mean to test the sensor, but the sensor works absolutely fine (with other apps)

My auto brightness works just fine and i have mine on lowest possible setting.

Tasker Guide to Auto Brightness

Follow this Guide at Your Own Risk.
I am not responsible for bricked devices, lost data, thermonuclear war or getting fired for missed alarm or whatever happens to your device by following my instructions​
I have been a long time Lux user. But what I found, that Lux is bugged with some compatibility checking wakelock. Also, Lux uses screen overlay which is a problem. For a lot of system features in Marshamllow loaded S7edge alerts that an screen overlay has been detected and this must be disabled. Therefore, I configured Tasker (Paid software available on android market), my most favourite automation tool for android. So, where is the catch?
Process:
1. Disable Auto Brightness and Create a New Task in Tasker.
2. Select Action Category > Display > Display Brightness
3. Then Set Brightness Level value at 15 (Or whatever lowest brightness you're comfortable at)
4. Below, set if parameter as "%LIGHT < 20 (Or whatever brightness level you want for 15% of brightness)
Repeat Process 2-4 to create multiple steps for your brightness level adjustments.
Now, in Tasker profiles, you add a new profile to be triggered by "Events > Display > Display On and assign the created Task.
You can also adjust your brightness on per app basis when you want a specific app to have a set brightness level by following the same process except when creating a profile you have to select "Applications" and assign the created Task or a similar task created separately.
Update:
I have attached a Tasker configuration xml to get started with.
Please note that this guide will setup auto brightness to be adjusted on device wake. You can hook this update to any event as you want.
Tested working on SM-G935FD. Should work on any Tasker compatible android device with Light Sensor.

What's wrong with auto brightness?

drummerman said:
What's wrong with auto brightness?
Click to expand...
Click to collapse
+1.... I think that Android is great because of the customization option available, but sometimes people just over-customise.
There is nothing wrong with Auto-Brightness, and in case you have a problem with it, just override it using the bar on the notification panel.
Still, although I will never use it, this is a nice tutorial.

drummerman said:
What's wrong with auto brightness?
Click to expand...
Click to collapse
Default Auto brightness implemented in S7 edge is buggy. here on xda you can check it out.
Teio said:
+1.... I think that Android is great because of the customization option available, but sometimes people just over-customise.
There is nothing wrong with Auto-Brightness, and in case you have a problem with it, just override it using the bar on the notification panel.
Still, although I will never use it, this is a nice tutorial.
Click to expand...
Click to collapse
But this is not over-customization, at least in my opinion. It means taking more control. I have been using (and many other people are) Lux to adjust the auto brightness behavior which polls sensor data at a specific period, whenever the screen is on. But if you use this guide, it will give you a auto brightness customization solution without polling light data from sensor all the time. even though the sensor will be on, it will not be active. I am not sure that it will impact on battery or not, but it gives me more control over the brightness adjustment.
cheers!

izephyr said:
Default Auto brightness implemented in S7 edge is buggy. here on xda you can check it out.
But this is not over-customization, at least in my opinion. It means taking more control. I have been using (and many other people are) Lux to adjust the auto brightness behavior which polls sensor data at a specific period, whenever the screen is on. But if you use this guide, it will give you a auto brightness customization solution without polling light data from sensor all the time. even though the sensor will be on, it will not be active. I am not sure that it will impact on battery or not, but it gives me more control over the brightness adjustment.
cheers!
Click to expand...
Click to collapse
Good point. Though I don't see the issue on my device, Auto-Brightness works as I expect it to. It gets very bright on sun, and dim on dark rooms (though I would like it to go a tiny bit dimmer to be perfect). Will this Task auto adjust or you need to select the desired brightness yourself?

Teio said:
Will this Task auto adjust or you need to select the desired brightness yourself?
Click to expand...
Click to collapse
You can select the desired brightness level according to your comfort.

Teio said:
Good point. Though I don't see the issue on my device, Auto-Brightness works as I expect it to. It gets very bright on sun, and dim on dark rooms (though I would like it to go a tiny bit dimmer to be perfect). Will this Task auto adjust or you need to select the desired brightness yourself?
Click to expand...
Click to collapse
According to http://www.greenbot.com/article/303...brightness-fixes-a-major-mobile-headache.html and this: http://www.displaymate.com/Galaxy_S7_ShootOut_1.htm you can customize according to your liking .. hadn't tried it though all I need is the AOD to shine a lil bit dimmer

The drawback to this is that it only adjusts brightness based on the level when you turn the screen on. If the ambient light changes, the screen brightness won't change with it.

anyone got such screen brightness problem on mix2s?

I just received my mix2s last weekend, and I have been using it for several days.
But through these days, I find it that when you turned off the automatic brightness, and the phone is displaying some dark or black contents, the brightness will get lower by itself, but when you turn to some colorful or brighter contents, the btightness will get back to normal itself.
so I'm wondering is there anyone got the same problem like me? and how can I turn it off? I mean, just don't turn down the brightness itself when showing dark contents.

Just checked it on my phone and you are right, screen becomes darker when you display dark content. Also with auto brightness disabled. Maybe it has something to do with the automatic contrast settings
Edit: I was right, if you disable automatic contrast the brightness stays like you set it

Flatric said:
Just checked it on my phone and you are right, screen becomes darker when you display dark content. Also with auto brightness disabled. Maybe it has something to do with the automatic contrast settings
Edit: I was right, if you disable automatic contrast the brightness stays like you set it
Click to expand...
Click to collapse
can you tell me where is the "automatic contrast" settings? seems that miui just deleted it

It seems to be a problem since the last mix 2. you can try search on google and on this forum.
There are few fixes you can do, just go over the search. I didn't do it myself because I just manually adjust the brightness myself. It is pretty annoying though.

hnsxljhn said:
can you tell me where is the "automatic contrast" settings? seems that miui just deleted it
Click to expand...
Click to collapse
It's in settings -> display -> contrast & colors

Flatric said:
It's in settings -> display -> contrast & colors
Click to expand...
Click to collapse
Thanks a lot!

Flatric said:
It's in settings -> display -> contrast & colors
Click to expand...
Click to collapse
thank you, it works. But is there any way to keep brightness stay with automatic contrast enabled? I bought this phone in China, but the screen of Chinese version mix2s seems extremely yellow if I don't enable automatic contrast :crying:

hnsxljhn said:
thank you, it works. But is there any way to keep brightness stay with automatic contrast enabled? I bought this phone in China, but the screen of Chinese version mix2s seems extremely yellow if I don't enable automatic contrast :crying:
Click to expand...
Click to collapse
Maybe with a third party app that changes the contrast? You would need root privileges for an app like this I think...

Flatric said:
Maybe with a third party app that changes the contrast? You would need root privileges for an app like this I think...
Click to expand...
Click to collapse
any app recommendation? I have rooted my phone already

hnsxljhn said:
any app recommendation? I have rooted my phone already
Click to expand...
Click to collapse
Nice, on what rom are you and how did you root it? Was flashing magisk enough? Never had this problem so I didn't try any app... Maybe you find something good if you google it

Flatric said:
Nice, on what rom are you and how did you root it? Was flashing magisk enough? Never had this problem so I didn't try any app... Maybe you find something good if you google it
Click to expand...
Click to collapse
Chinese version miui9.5, unlocked bootloader and flashed supersu 2.82-sr5

Flatric said:
Just checked it on my phone and you are right, screen becomes darker when you display dark content. Also with auto brightness disabled. Maybe it has something to do with the automatic contrast settings
Edit: I was right, if you disable automatic contrast the brightness stays like you set it
Click to expand...
Click to collapse
Thank you I could not figure out what was causing this on my phone. When watching Youtube on lowest brightness at night the screen would fluctuate and it drives me crazy. Did not know that had something to do with it but now I know.

This is an old thread, but it's high on Google rankings, so I'm adding to it.
I think my main annoyance with this is the position of the sensor. If I'm typing or scrolling with my thumb, it seems I'm covering the sensor with my hand, so it thinks it's gone dark, so decreases brightness.
Disabling the auto brightness fixed it for me
(Using Resurrection Remix)