[APP][2.3+] Lux Auto Brightness

kantjer · Jan 8, 2014

Cyb3rGlitch said:
Feature Suggestions

I'm currently accepting feature suggestions for Lux v2.0. If you want me to consider new functionality, or changes to what exists, now's your chance!

Just had another idea.
Having an option set the update mode based on day/night could be a nice addition.

During day time I have mine set to either Dynamically or Periodically every 5 seconds, while during night time, when the fluctuation in ambient light isn't that big, for me Periodically every 15 or even 30 seconds would be enough. This I guess can save some additional battery power during night period.

Since the day/night switching is already there for profile switching I hope this can be added without to much afford.

sg1969 · Jan 8, 2014

rxmxsh said:
Periodically doesn't seem to work at all now for me. Using slimkat, Franco, on an N5

Sent from my Nexus 5 using xda app-developers app

I'm on a Xperia Z1, 4.2.2 and neither Periodically nor Dynamic seem to work.
Brightness is at about 70%. I cover the sensor, wait 1 minute... 2 minutes... nothing happens. But as soon as I hit "refresh", it goes down to about 4%. I then uncover the sensor and wait, but nothing happens until I hit refresh again.

Only "on wake" seems to be working for me.

Any ideas? To be perfectly honest, I only recently got the phone so I'm not sure if it ever worked...

dclarkg · Jan 10, 2014

Hello!

I bought the app yesterday in order to have all the functions but I don't seem to find the difference between the light sampler interpolation (linear,cubic or function) any explanation or useful link? I searched the thread but only find someone asking the same question but no response.

Great app!

BTG-XCELL · Jan 11, 2014

dclarkg said:
Hello!

I bought the app yesterday in order to have all the functions but I don't seem to find the difference between the light sampler interpolation (linear,cubic or function) any explanation or useful link? I searched the thread but only find someone asking the same question but no response.

Great app!

When you link a lux (or luma) value to a brightness level on your device, you define a point for your profile. If the sensor detects a lux/luma value between two defined points (ie. that specific lux/luma value is not explicitly defined a brightness value) in your profile, then Lux Auto Brightness must interpolate a brightness value based upon the data points in your profile. To do this, there are different methods of interpolating this value such as linear interpolation, cubic interpolation, logarithmic interpolation, etc. These are just basic mathematical formulations that you can read up about online.

Example: http://en.wikipedia.org/wiki/Interpolation
NOTE: Your data points are the red points in the graphs and the interpolation between the data points is defined by the blue line.

TakipSiLim · Jan 11, 2014

I just purchased this great app. Is there a way for the profile mode to automatically change from day to night? Just like in the auto night mode.

Update: I saw a post to use the auto.

Suggestion: it will be nice to have an option to activate specific profile or brightness level base on time set by the user.

Thanks for making this app!

Sent from my Nexus 4 using Tapatalk

diddsen · Jan 11, 2014

helllo,
very great app... using since it gives

have one question... how can regulating with luma values instead lux?
don't understand to set that working.

thx
cu

edit: found the setting that luma works... it's useful to know that luma is camera sensor

but only working if regulating method is "screen on"

would be nice if switching between "screen on" and other like "periodicals" can set by profilemanager... so that i can say, use by "day" lux sensor and by night switch to luma camera sensor.

koragg97 · Jan 11, 2014

Cyb3rGlitch said:
Feature Suggestions

I'm currently accepting feature suggestions for Lux v2.0. If you want me to consider new functionality, or changes to what exists, now's your chance!

the only new feature i want would be to be able to set a desired brightness level (for example 50%) by entering something like a start point (for example 50lm) and an end point (for example 80lm) and when the current ambient light reading is between those two userdefinable start and end points the brightness should stay 50% instead of having to link every single time when i think that the display is too bright or too dark. It can be something like the profiles used to turn wi-fi on and off by userdefined time - only in this case by userdefined ambient light values

And if it's possible please make the above feature available also through the camera scanning of ambient light ('cause a lot of phones don't have special ambient light sensors).

Cyb3rGlitch · Jan 11, 2014

Thank you all for the suggestions so far!

xxBrun0xx said:
So does this still cause your screen to flash when switching apps? That was my only complaint

Sent from my SAMSUNG-SGH-I317 using Tapatalk

Yes. This is a side effect of getting the transparent nav buttons to reduce in brightness. I'll look into adding an alternative method in place for those without transparent buttons.

rxmxsh said:
Periodically doesn't seem to work at all now for me. Using slimkat, Franco, on an N5

Sent from my Nexus 5 using xda app-developers app

I'll test this on my stock N5.

chrisradulescu said:
Hi,

I don't seem to understand this "sleep" option in the app... I would like to add a specific app, let's say "Google+" to this "sleep" list for the purpose that when I open it to have a different brightness setting on my screen than Lux is providing automatically. My goal would be to have a higher brightness for when this apps opens up. How would this work? I tried adding some apps to this list, but when I open any of them what I expect doesn't happen. I don't seem to see anything happening, actually!

So, my question so far would be: what actually is supposed to happen when an app added to the sleep list is opened?

Thank you!

The sleep list disables Lux for that app. It's useful for compatibility issues, or apps which have their own brightness controls. To have app specific brightness you need to use Tasker with Lux as the plug-in. I may introduce a native feature in a future build.

sg1969 said:
I'm on a Xperia Z1, 4.2.2 and neither Periodically nor Dynamic seem to work.
Brightness is at about 70%. I cover the sensor, wait 1 minute... 2 minutes... nothing happens. But as soon as I hit "refresh", it goes down to about 4%. I then uncover the sensor and wait, but nothing happens until I hit refresh again.

Only "on wake" seems to be working for me.

Any ideas? To be perfectly honest, I only recently got the phone so I'm not sure if it ever worked...

Do you have the persistent notification enabled?

chrisradulescu · Jan 12, 2014

Cyb3rGlitch said:
The sleep list disables Lux for that app. It's useful for compatibility issues, or apps which have their own brightness controls. To have app specific brightness you need to use Tasker with Lux as the plug-in. I may introduce a native feature in future build.

Now I understand. I guess it would be useful an extra setting allowing to set a manual percentage brightness for when it goes to sleep, if that doesn't screw up with the specific settings of other apps... Thanks!

doctor_droid · Jan 12, 2014

Pardon me if this has been told earlier but m having lot of wakelock issues... overnight drainage was about 20% which normally doesnt happens (1-3%max) .. it tops my list on wakelock detector.?

BTG-XCELL · Jan 13, 2014

Would it be possible to implement an upper lux reading cutoff option (similar idea to the ignore 0 lux reading option)? I believe that would help with the Nexus 5 spiking in low light when held at certain angles.

See: http://xdaforums.com/showpost.php?p=49384520&postcount=12470

sg1969 · Jan 13, 2014

Cyb3rGlitch said:
Do you have the persistent notification enabled?

Thanks for the reply.
I just tested again and it seems to be working again, at least Dynamic (haven't tested periodic yet)
And yes, I already had it set to persistent notification.

anewday · Jan 13, 2014

koragg97 said:
the only new feature i want would be to be able to set a desired brightness level (for example 50%) by entering something like a start point (for example 50lm) and an end point (for example 80lm) and when the current ambient light reading is between those two userdefinable start and end points the brightness should stay 50% instead of having to link every single time when i think that the display is too bright or too dark. It can be something like the profiles used to turn wi-fi on and off by userdefined time - only in this case by userdefined ambient light values

Yes, this would be a nice feature.

Sent from my Galaxy S4

xfish · Jan 15, 2014

Cyb3rGlitch, for features I suggest
- changing profiles (night/day) by time (ATM possible with Tasker but I would prefer implementation into Lux) or by trigger-button in notification-bar
- customization of Lux-dash in notification-bar, e.g. I don't need a button for Astro-mode or for on/off, and would change the height/width of the bar and buttons. Also the position, it's always at the bottom, so not at a reliable place if there are other notifications..

vitoski · Jan 16, 2014

xfish said:
Cyb3rGlitch, for features I suggest
- changing profiles (night/day) by time (ATM possible with Tasker but I would prefer implementation into Lux) or by trigger-button in notification-bar
- customization of Lux-dash in notification-bar, e.g. I don't need a button for Astro-mode or for on/off, and would change the height/width of the bar and buttons. Also the position, it's always at the bottom, so not at a reliable place if there are other notifications..

The idea with changing night/day profile is good. However I think that combination of tasker and Lux with its tasker variables would be awesome. Imagine that you set up Tasker to change profile from day to night at 10 PM and depending on the lux read from the sensor. This case even if it will be 10 PM but you are in the bright room the screen will not dimm.

Wysłane z mojego GT-I9100 przy użyciu Tapatalka

xfish · Jan 16, 2014

vitoski said:
The idea with changing night/day profile is good. However I think that combination of tasker and Lux with its tasker variables would be awesome. Imagine that you set up Tasker to change profile from day to night at 10 PM and depending on the lux read from the sensor. This case even if it will be 10 PM but you are in the bright room the screen will not dimm.

Well this is indeed currently possible, simply enable plug-in support in Advanced-menu. This Tasker-support is built-in in Lux pro-version IIRC.
But built-in daytime/nighttime-switch would be one development-click away IMHO.

530farm · Jan 16, 2014

Sorry if this has been answered, but I didn't see anything when searching. What is the status of a Nexus 5 Plugin?

Also, When using Lux in Night mode on nexus 5 4.4.2, my navbar ends up turning into more of a solid bar than the translucent bar that more seamlessly blended into the rest of the screen. It seems to be affected by the "color temperature" being more noticeable as you go to a lower value.

vitoski · Jan 16, 2014

xfish said:
Well this is indeed currently possible, simply enable plug-in support in Advanced-menu. This Tasker-support is built-in in Lux pro-version IIRC.
But built-in daytime/nighttime-switch would be one development-click away IMHO.

Currently you can set up tasker to change ptofilr (with plugin) and to check sensor, which uses more battery. What you can't do is to utilize built in tasker variables for lux.

Wysłane z mojego GT-N8010 przy użyciu Tapatalka

locolyric · Jan 16, 2014

if we need the apps to control the lux. But need the games in full brightness. Can we do that ?

I try the exclude option, it just make the brightness remain in the last status when i start the game.

malkovy · Jan 17, 2014

For me great feature would be option to change brightness basing not on luma or lux sensor, but on some kind of mathematical function of them. For example:
a*luma + b*lux
Where a and b are constants.
I am proposing that because I noticed that indoor luma sensor (camera) have much better resolution than lux sensor. Otherwise outdoor lux is better than luma.
For example:
Indoor:
Lights on:
lux=1;
luma=132;
Lights off:
lux=0;
luma=10;
Outdoor:
Very bright:
lux = 2000;
luma = 255;
Not so bright:
lux=300;
luma=255;

[APP][2.3+] Lux Auto Brightness

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