Automatic brightness better on or off ? - Nexus 4 Q&A, Help & Troubleshooting

What's best for battery life, automatic brightness on ? Or set to a certain % ? Like at home if at 40%-50% that's good enough, but outside, or in bright area, hard to tell, much higher, or even auto.
Some phones do better or worse on auto brightness. Some phones can adjust quickly and actually do auto brightness very good, other phones I've had suck at adjusting the light level on auto.
What do you recommend ? And which is easier on battery life ?
Sent from my Nexus 4 using xda premium

Try lux. It can give you the best of both.

Zorachus said:
What's best for battery life, automatic brightness on ? Or set to a certain % ? Like at home if at 40%-50% that's good enough, but outside, or in bright area, hard to tell, much higher, or even auto.
Some phones do better or worse on auto brightness. Some phones can adjust quickly and actually do auto brightness very good, other phones I've had suck at adjusting the light level on auto.
What do you recommend ? And which is easier on battery life ?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
Personally, I never put my brightness on auto. I always put it at a certain percentage up to the point where I can see the icons on my phone and such. Putting it on auto will make the phone fluctuate between low and high brightness setting according to the lighting of the environment. When I'm home, I always set my brightness level at the very lowest. Also another thing I notice is that when I'm outside I need to turn up the lighting to about 10-20 percent and I good to go. When I'm indoors, the screen is quite bright and so I just turn it back down. (You get the point.)
I don't think there are phones that perform better or worse on auto-brightness. I don't even think it has any effect on performance. Anyways, to answer your question about battery life. If you can't see the phone while you're outdoors then you need to turn it up and thus it will use more power. Personally, I suggest that you set it at a fixed percentage rather than auto.

Was looking into this question myself. What I was able to turn up amounts to the following.
Setting the brightness manually or through the use of the auto brightness makes no difference if its the same percentage/ brightness setting.
The difference comes down to using auto brightness will cause the cpu execute to make the setting changed according to the polled data from the light sensor. The will cause minimal additional battery drain I suspect, but the exact number I haven't been able to identify. So this is the downside. The upside is that if the brightness settings are compatible for you, its very convenient.
As for the manual, you may gain a little due to the lower cpu use. More importantly, you can tune the brightness to what you want. If the auto setting for a certain outdoor environment is too high, if the manual setting is lower that the user prefers this could also save battery. Of course the opposite is also true. Same for indoors, etc... Being manual it requires you to change it, but using certain ROMs, quick setting tile or apps make this a lot quicker.
I'm personally running Xylon + Nova Prime + Brightness widget
Set the gesture swipe up, to execute the widget
Set 0,20,45,80,auto percent brightness in the widget
Swipe up to cycle through when indoor or out, home...
Zorachus said:
What's best for battery life, automatic brightness on ? Or set to a certain % ? Like at home if at 40%-50% that's good enough, but outside, or in bright area, hard to tell, much higher, or even auto.
Some phones do better or worse on auto brightness. Some phones can adjust quickly and actually do auto brightness very good, other phones I've had suck at adjusting the light level on auto.
What do you recommend ? And which is easier on battery life ?
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse

I too am running Xylon + Nova. Where do I get this brightness app ? I'll look on Play.
Sent from my Nexus 4 using xda premium

Free in the play store
Zorachus said:
I too am running Xylon + Nova. Where do I get this brightness app ? I'll look on Play.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse

If you really need to conserve the battery I don't recommend having your screen brightness
at more than than 10%, most of the time I run at around 5%.
Asking others about their Auto Brightness experience is not very useful because a user
in Brazil will have a different result than a user in Norway.
If you charge your phone often and can read the screen at auto brightness just run it at that.
Otherwise you should always manually adjust your brightness for your own threshold of
readability.
A curious thing about LCD screens is that blacks and whites draw similar amount of power.
(As opposed to other technologies such as OLED). So ROMs with high contrast text that are
easier to read can actually help you save battery if you manually adjust brightness for readability.

I agree with using Lux, once setup and you have linked several light readings to screen brightness settings and set to dynamically adjust its great. The paid version allows you to dim the screen alot more then you can do normally and makes reading in bed very easy on your eyes.
estallings15 said:
Try lux. It can give you the best of both.
Click to expand...
Click to collapse

Related

[FYI] Auto brightness is brighter than your highest stock setting

I noticed today when I was outside that it was hard to see my screen because I always keep it at the lowest brightness level.
I bumped it up to the max so I can see easier.
I tried out auto brightness immediately after and it was much brighter than the brightest stock setting.
TMYK
That's odd, so you're saying if you put it on the highest setting with manually configured brightness, it still won't go as high as auto brightness in a situation where its needed (like direct sunlight)?
I personally use the auto brightness anyway but that's interesting to know...
sj_martin said:
I noticed today when I was outside that it was hard to see my screen because I always keep it at the lowest brightness level.
I bumped it up to the max so I can see easier.
I tried out auto brightness immediately after and it was much brighter than the brightest stock setting.
TMYK
Click to expand...
Click to collapse
That's weird as hell lmao. I'll test it tomorrow with sun. Will be SO upset if its true. YOU BETTER HOPE UR WRONG lol.
sj_martin said:
I noticed today when I was outside that it was hard to see my screen because I always keep it at the lowest brightness level.
I bumped it up to the max so I can see easier.
I tried out auto brightness immediately after and it was much brighter than the brightest stock setting.
TMYK
Click to expand...
Click to collapse
yeah i noticed that too. auto bright seems to go higher than the regular brightest setting.
If that's true, is there a way to manually increase the brightness to max?,
you know, similar to increasing the volume values?
Maybe someone can try it
gsvnet said:
That's odd, so you're saying if you put it on the highest setting with manually configured brightness, it still won't go as high as auto brightness in a situation where its needed (like direct sunlight)?
I personally use the auto brightness anyway but that's interesting to know...
Click to expand...
Click to collapse
yes, exactly.
the auto brightness probably kicks into outdoor visibility level.
Dose your phone say at the lowest light level. Because mine, even after I set it to the lowest level, moves to a brighter level.
Sent from my SGH-T959 using XDA App
Ditto, mine always finds a way to creep back up to higher brightness levels.
I think I'll just use auto from now on
Sent from my SGH-T959 using XDA App
I'm not real sure but the lowest manual level seems still too bright to me. I've seen lower with Auto on, but maybe its my eyes playing tricks again.
It is probably Power Savings in the Display settings that is STILL automatically dimming the display, so ot merely seems like auto brightness is brighter than manual max adjustment. Turning Power Savings off keeps the screen at 100% all the time --the browser and other apps will not dim the display anymore.
Sent from my GT-I9000M using XDA App
silverwolf0 said:
I'm not real sure but the lowest manual level seems still too bright to me. I've seen lower with Auto on, but maybe its my eyes playing tricks again.
Click to expand...
Click to collapse
This is one thing that drives me nuts with this phone. I use the "dimmer" widget to drop the thing down to 10 brightness, but even that's way too bright and I haven't yet found an app that makes the display dimmer than 10 (I know that requires root, but none of the ones in the market seem to work with the Vibrant).
applebook said:
It is probably Power Savings in the Display settings that is STILL automatically dimming the display, so ot merely seems like auto brightness is brighter than manual max adjustment. Turning Power Savings off keeps the screen at 100% all the time --the browser and other apps will not dim the display anymore.
Sent from my GT-I9000M using XDA App
Click to expand...
Click to collapse
Maybe I'm missing something here, but I have power savings off and auto brightness off, and the screen still dims when I go into the browser.

[Q] Autobrightness hack

Has anyone seen a hack to change the default autobrightness for the fascinate? I am coming from the Droid X and this was an option offered by a user on this forum. I am asking this because I noticed that at the lower settings the screen is plenty bright enough to be usable and that the display alone consumes about 34% of my battery life. I am getting 8 hours on a full charge but more battery is always good. Any help or point inthe right direction would be awesome.
You dont need a hack to turn off auto brightness. Just go to sound and display settings and turn it off, then change brightness to whatever you want.
Sent from my SCH-I500 using XDA App
I turned off auto brightness on my fascinate and have the brightness set to max. I am a power user and my battery lasts about 10-12 hours easy... Then again I use a dark theme...
i don't think he's asking about turning off autobrightness, i think he's refering to the fact that if you have autobrightness set, the lowest it will go is about 33%. it could save battery life, and still have the advantage of automatically lightening when you need it if the autobrightness would go as low as 5-10%. if i'm understanding correctly. but no, i haven't seen a way to do that yet. sorry.
sonofskywalker3 said:
i don't think he's asking about turning off autobrightness, i think he's refering to the fact that if you have autobrightness set, the lowest it will go is about 33%. it could save battery life, and still have the advantage of automatically lightening when you need it if the autobrightness would go as low as 5-10%. if i'm understanding correctly. but no, i haven't seen a way to do that yet. sorry.
Click to expand...
Click to collapse
Oooh.. I dig ya. My bad.
Sent from my SCH-I500 using XDA App

Optimal Brightness values for i9023 (eventually other versions as well)

Hi everyone, since a few versions of Paranoid Android i noticed a new setting: Brightness levels.
I would like to know what values are you using to achieve a good readability and good battery usage.
Thanks folks
Are you serious?!
Brightness control is a default settings option in every rom.
I have my on auto, so the system handle the brightness.
On the road with my NexusS...
klinkerkp said:
Are you serious?!
Brightness control is a default settings option in every rom.
I have my on auto, so the system handle the brightness.
On the road with my NexusS...
Click to expand...
Click to collapse
He probably means the manual setting of brightness levels that was implemented in GB CM.
I usually bump first level from 10 to 35, since Google added another level, made it too dim. Then the one before last from 70 to 140, last is 250 anyway. I don't see the point of adding more levels, since the sensor can't cover all of them. There are only 3 relevant levels anyway: low for inside, medium and bright for day usage.
I'm thinking he's talking about custom automatic brightness though, and thus good settings to keep readability but hopefully save a bit of battery as opposed to the very bright default settings.
right, i'm talking about the customizable automatic brightness levels. as polobunny stated the stock auto setting is too bright.
atm i'm testing these (meant for Gnex)
I happily sacrifice 30 minutes of real life battery, then rather looking at the screen like an idiot on daylight, because its too dim.
I very well agree with you, but that's what automatic backlight is for. Being bright in brightly lit areas like outdoor and dim once inside. I wish the light sensor was more sensitive in the Nexus S, night time viewing is simply retina burning at the default setting.
I don't have any settings suggest, my sensor detection is currently broken (need to wipe rom and start fresh) but the trick is to make a lot of small steps to get a smooth experience. Like 25 steps really.

[Q] Screen Brightness Levels

Hello everyone,
I don't know if my question has been answered already but I've used the search and haven't come across an answer.
My Nexus 7 is set to the lowest brightness at all times and it works great for me. But I want to be able to set it lower especially when reading at night with the lights turned off. At this point the lowest brightness is still too bright.
Is there away of adjusting the screen brightness slider to accommodate lower levels? Maybe an update I can flash?
I'm using PA 2.50 and Franco.Kernel #25.
Doesn't anyone have a similar question?
Is there anyway to tweak the screen brightness of the N7.?
any rom or kernel that allows this?
I think ScreenFilter is what you want.
https://play.google.com/store/apps/...ch_result#?t=W251bGwsMSwxLDEsImNvbS5oYXhvciJd
Let you set the screen much dimmer and it saves battery life. Works great on phones (as long as it isn't bright outside).
magick86 said:
I think ScreenFilter is what you want.
https://play.google.com/store/apps/...ch_result#?t=W251bGwsMSwxLDEsImNvbS5oYXhvciJd
Let you set the screen much dimmer and it saves battery life. Works great on phones (as long as it isn't bright outside).
Click to expand...
Click to collapse
Thanks. I will check out that app.
But you think there's a way of setting it in the system? So that the lowest brightness setting on system is lowered?
magick86 said:
I think ScreenFilter is what you want.
https://play.google.com/store/apps/...ch_result#?t=W251bGwsMSwxLDEsImNvbS5oYXhvciJd
Let you set the screen much dimmer and it saves battery life. Works great on phones (as long as it isn't bright outside).
Click to expand...
Click to collapse
This will do nothing. It will not lower the backlight. It just draws a semitransparent black filter over everything. Battery consumption will be the same. Some custom kernels, like the one in my signature, will let you lower the backlight well below the normal lower limit. This will actually save battery.
Sent from my Nexus 7 using Tapatalk 2
Metallice said:
This will do nothing. It will not lower the backlight. It just draws a semitransparent black filter over everything. Battery consumption will be the same. Some custom kernels, like the one in my signature, will let you lower the backlight well below the normal lower limit. This will actually save battery.
Sent from my Nexus 7 using Tapatalk 2
Click to expand...
Click to collapse
Great! Thank you! I'll check out your kernel sir!

Automatic brightness - am I missing something ?

if I put the manual slider on 100%, and then tick the "automatic brightness", it stays at 100%, even in a fully darkened room.
if I put the manual slider on 0%, and then tick the "automatic brightness", it stays at 0%, even under direct sunlight.
What gives ? LG forgot to program this feature ?
Noam23 said:
if I put the manual slider on 100%, and then tick the "automatic brightness", it stays at 100%, even in a fully darkened room.
if I put the manual slider on 0%, and then tick the "automatic brightness", it stays at 0%, even under direct sunlight.
What gives ? LG forgot to program this feature ?
Click to expand...
Click to collapse
I am not certain on this but my understanding of how the auto brightness works is that it adjusts within a certain % up or down of where you set the slider.
I am sure someone with a bit more knowledge will be along shortly to advise exactly how it works though
It appears to me that the 100% and 0% always do full on or full dimmed, whether you set auto brightness or not. Anywhere in between it does work with auto brightness, but the screen reacts quite slowly.
Auto brightness on this device is rubbish. Period. It doesn't work at all when you're set on 100 or 0 percent, and if you're in between, it works, but only buy using very slight changes to the manual setting that you chose. Why on earth did they base the auto brightness on the manual brightness???
Sent from my LG-D802 using XDA Premium 4 mobile app
auto brightness works quite well for me. I have it set as a 55% baseline and it always changes in more or less light. It takes a second but it will do it and works great. The slider does not show the change though.
Download Lux Auto Brightness.
bova80 said:
auto brightness works quite well for me. I have it set as a 55% baseline and it always changes in more or less light. It takes a second but it will do it and works great. The slider does not show the change though.
Click to expand...
Click to collapse
No, it doesn't work well for you at all. If you put it at 55%, and go to direct sunlight, it will never come close to 100% brightness (I would say only about 60-70%). Moreover, if you go to a pitch black room, you will not get 1-2% brightness, rather ~30-40%. I would say the automatic brightness control of the G2, can only play with ~10% above/below what you set your manual settings. Who does automatic brightness like this ? pathetic and useless.
sacredsoul said:
Download Lux Auto Brightness.
Click to expand...
Click to collapse
I also use a 3rd party program to control brightness. My phone would just randomly uncheck auto brightness on its own. Not sure why it sucks so bad on this phone. So, check out Velis Auto Brightness in the play store. It disables system management of brightness, takes over the job.
Sent from my VS980 4G using xda app-developers app
D-meist said:
I also use a 3rd party program to control brightness. My phone would just randomly uncheck auto brightness on its own. Not sure why it sucks so bad on this phone. So, check out Velis Auto Brightness in the play store. It disables system management of brightness, takes over the job.
Sent from my VS980 4G using xda app-developers app
Click to expand...
Click to collapse
I used to use Velis too but it was a bit too cluttered for me. Lux was a whole lot more userfriendly. Plus it can reduce brightness below minimum levels and has a built in night mode that activates automatically. Found it best for my use.
Noam23 said:
No, it doesn't work well for you at all. If you put it at 55%, and go to direct sunlight, it will never come close to 100% brightness (I would say only about 60-70%). Moreover, if you go to a pitch black room, you will not get 1-2% brightness, rather ~30-40%. I would say the automatic brightness control of the G2, can only play with ~10% above/below what you set your manual settings. Who does automatic brightness like this ? pathetic and useless.
Click to expand...
Click to collapse
whether it goes to 100% brightness or not it brightens up enough that I can see it clear as day. So why do I care if it doesn't get to 100%?
bova80 said:
auto brightness works quite well for me. I have it set as a 55% baseline and it always changes in more or less light. It takes a second but it will do it and works great. The slider does not show the change though.
Click to expand...
Click to collapse
You have no clue how are the brightness works.
Sent from my LG-D801 using xda app-developers app
shook187 said:
You have no clue how are the brightness works.
Sent from my LG-D801 using xda app-developers app
Click to expand...
Click to collapse
and like I said, why do I care if it is changing brightness to levels I can see for the given light I'm in what does it matter? Apparently it is doing something right.
Have seen a lot of varied answers on this topic but having owned an iPhone in the past LG has set up their brightness controls to work in much the same way. You basically have two independent controls that can be combined to work together.
For example, I have my brightness on 85% and Auto is checked to ON. This means brightness will adjust automatically but never exceed 85%. You are setting a ceiling and it will NEVER go to 100% bright if set this way. If I turn Auto OFF, its always 85% regardless of ambient light. Hope this helps some peeps understand this better. I actually prefer their implementation but it's familiar to me.
Sent from my VS980 4G using Tapatalk
nateinva said:
Have seen a lot of varied answers on this topic but having owned an iPhone in the past LG has set up their brightness controls to work in much the same way. You basically have two independent controls that can be combined to work together.
For example, I have my brightness on 85% and Auto is checked to ON. This means brightness will adjust automatically but never exceed 85%. You are setting a ceiling and it will NEVER go to 100% bright if set this way. If I turn Auto OFF, its always 85% regardless of ambient light. Hope this helps some peeps understand this better. I actually prefer their implementation but it's familiar to me.
Sent from my VS980 4G using Tapatalk
Click to expand...
Click to collapse
now this makes sense, if only someone explained it like that before, rather than saying you don't know what you are talking about.
nateinva said:
Have seen a lot of varied answers on this topic but having owned an iPhone in the past LG has set up their brightness controls to work in much the same way. You basically have two independent controls that can be combined to work together.
For example, I have my brightness on 85% and Auto is checked to ON. This means brightness will adjust automatically but never exceed 85%. You are setting a ceiling and it will NEVER go to 100% bright if set this way. If I turn Auto OFF, its always 85% regardless of ambient light. Hope this helps some peeps understand this better. I actually prefer their implementation but it's familiar to me.
Sent from my VS980 4G using Tapatalk
Click to expand...
Click to collapse
This explanation contains logic, while LG's automatic brightness control, contains none. If you set brightness at 85%, and turn automatic brightness ON, assuming 85% set the top ceiling, then going into a pitch black room will still allow the LG to turn brightness to something like 5%. In reality, it doesn't happen, even in pitch black rooms, the LG is still close to 85% (maybe 65%), which is totally blinding. If you want to see how a working automatic brightness control behave, install lux brightness control.
Noam23 said:
This explanation contains logic, while LG's automatic brightness control, contains none. If you set brightness at 85%, and turn automatic brightness ON, assuming 85% set the top ceiling, then going into a pitch black room will still allow the LG to turn brightness to something like 5%. In reality, it doesn't happen, even in pitch black rooms, the LG is still close to 85% (maybe 65%), which is totally blinding. If you want to see how a working automatic brightness control behave, install lux brightness control.
Click to expand...
Click to collapse
I don't disagree with this at all....I'm still observing some odd/unexpected behavior and you're right.....it doesn't seem like there is enough 'travel range' when using auto in very dark environments. 85% in regular/full light should scale down dramatically in a dark room...one would think?
I actually prefer my screen brighter though so this hasn't bothered me, but that is personal preference and definitely not one size fits all. I have used the built-in controls on CM based ROMs on a few of my other devices before the G2 and you get much more fine-grained control there. I will say though that as far as the stock brightness controls go, the G2 behaves identically to the 2 iPhones I've used. If anyone reading is interested and has a friend with an iPhone, hop into the settings and look at the brightness controls. I think you'll see where LG drew some inspiration.
Loving this phone overall....best I've owned so far! I purchased off contract and sold my Droid RAZR MAXX HD on Swappa....couldn't be happier.
Noam23 said:
This explanation contains logic, while LG's automatic brightness control, contains none. If you set brightness at 85%, and turn automatic brightness ON, assuming 85% set the top ceiling, then going into a pitch black room will still allow the LG to turn brightness to something like 5%. In reality, it doesn't happen, even in pitch black rooms, the LG is still close to 85% (maybe 65%), which is totally blinding. If you want to see how a working automatic brightness control behave, install lux brightness control.
Click to expand...
Click to collapse
Did you use any android phone before the G2?they all work the same way,sony Samsung,lg....
You are right that the auto brightness should go from zero to 100% depends on the available light but all the brands i used have the same auto brightness.
I think it's something related to android.
Sent from my LG-D802 using xda premium
Noam23 said:
No, it doesn't work well for you at all. If you put it at 55%, and go to direct sunlight, it will never come close to 100% brightness (I would say only about 60-70%). Moreover, if you go to a pitch black room, you will not get 1-2% brightness, rather ~30-40%. I would say the automatic brightness control of the G2, can only play with ~10% above/below what you set your manual settings. Who does automatic brightness like this ? pathetic and useless.
Click to expand...
Click to collapse
if you set it at 55% or any other, then that's your max even when you go into sunlight.
Sent from my LG-D800 using xda app-developers app
gm007 said:
Did you use any android phone before the G2?they all work the same way,sony Samsung,lg....
You are right that the auto brightness should go from zero to 100% depends on the available light but all the brands i used have the same auto brightness.
I think it's something related to android.
Sent from my LG-D802 using xda premium
Click to expand...
Click to collapse
It wasn't like this with my Galaxy s2.
Sent from my LG-D802 using XDA Premium 4 mobile app
Noam23 said:
It wasn't like this with my Galaxy s2.
Sent from my LG-D802 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Yes because there was not any slider to tweak the auto brightness settings.
Sent from my LG-D802 using xda premium

Categories

Resources