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[APP][2.3+] Lux Auto Brightness

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By Cyb3rGlitch, Senior Member on 19th October 2012, 11:58 AM
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26th February 2013, 06:36 PM |#511  
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Re: [APP][Official][2.1+] Lux Auto Brightness 0.76
Hello,
I have troubles with setting the application on low lighting levels. It just jumps from one level to another and back over and over again, no smooth changes like when I was using stock autobrightness or enhanced brightness in Jellytime ROM.
I suppose it just sets it like:
sensor - level
10 - 20
160 - 40
280 - 60
and it cannot approximate values over certain period?

This permanent flickering is very annoying.

Sent from my Desire HD using xda app-developers app
 
 
26th February 2013, 06:52 PM |#512  
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Vito - your app has too many permissions. I swear to God that my phone attempted to send all of my credit cards to Rwanda.

Kidding - the version that's in the store has been the smoothest build yet. Thank you for creating such a useful app that's thought out. I look forward to your future builds.
26th February 2013, 06:53 PM |#513  
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Quote:
Originally Posted by rxmxsh

Vito - your app has too many permissions. I swear to God that my phone attempted to send all of my credit cards to Rwanda.

Not Rwanda. I have them all in NY!
26th February 2013, 09:17 PM |#514  
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Re: [APP][Official][2.1+] Lux Auto Brightness 0.76
Will check tomorrow if the manual call brightness is working, now it is night here .

About Samsung sensor not giving data sometimes to Lux, when in Debug section I see 0. At the same time stock auto brightness see very well the level of ambient light:
Here is two screenshots made when in complete darkness lux lost sensor data, stock brightness app see very well the level of ambient light


Отправлено с моего GT-N7100 через Tapatalk
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27th February 2013, 01:24 AM |#515  
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Hello everyone, I have a problem with this application. It should change the brightness automatically, but for me it is only possible to change with negative numbers (sub) if I link for example - 50% with 0 lux, but between 0% and 100% I see no changes. Can someone help me  I use Cyanogenmodnightly 10.1 in a Samsung galaxy s I9000. Thanks

Inviato dal mio GT-I9000 con Tapatalk 2


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27th February 2013, 04:11 AM |#516  
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Re: [APP][Official][2.1+] Lux Auto Brightness 0.76
By the way, the version is mentioned like 0.8 on debug screen

The call brightness is working fine now. Thanks for fix

Отправлено с моего GT-N7100 через Tapatalk
27th February 2013, 04:44 AM |#517  
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Re: [APP][Official][2.1+] Lux Auto Brightness 0.76
Quote:
Originally Posted by Cyb3rGlitch

Poll rate defines how fast the light sensor is polled for changes. Even the slowest settings is quite fast. The only reason I have it there as an option is because devices with dodgy sensors don't work well with slower poll rates. On the other hand, good devices use too much CPU with faster poll rates. 'Slow' and 'slowest' are perfectly fine for quick updates - perhaps I should have named them something less negative sounding.

Basically, don't make it faster unless you get wacky sensor readings (usually a HTC issue).

On my Galaxy S3, it is set to fastest as default. Normal? That might be why earlier users had it like so:



I changed it to slow, as recommended in your pop-up....however, to prevent these types of issues in the future, is there a guide or manual for Lux available anywhere? I could help you write one, if you'd like!

Also, would it be difficult to bring back the alpha settings for night mode? For me, the yellow filter seems too weak. One other poster mentioned this.

Also-sorry, I should have tried the beta-with the previous overlay, changing between manual and my automatic mode was simple, press and hold the circle refresh icon. Now, I have to open that menu, go past options I will likely never change, and tap manual. Do most people prefer the new way?
27th February 2013, 08:49 AM |#518  
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Re: [APP][Official][2.1+] Lux Auto Brightness 0.76
Hmm, today Lux appeared among battery eaters:



Отправлено с моего GT-N7100 через Tapatalk
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27th February 2013, 11:34 AM |#519  
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Quote:
Originally Posted by gobak

Hello,
I have troubles with setting the application on low lighting levels. It just jumps from one level to another and back over and over again, no smooth changes like when I was using stock autobrightness or enhanced brightness in Jellytime ROM.
I suppose it just sets it like:
sensor - level
10 - 20
160 - 40
280 - 60
and it cannot approximate values over certain period?

This permanent flickering is very annoying.

Sent from my Desire HD using xda app-developers app

I removed filtering from Lux in favour of a less CPU intensive solution (which only applies to dynamic and ascending modes). What automatic mode are you using?

Quote:
Originally Posted by 200mpx

Will check tomorrow if the manual call brightness is working, now it is night here .

About Samsung sensor not giving data sometimes to Lux, when in Debug section I see 0. At the same time stock auto brightness see very well the level of ambient light:
Here is two screenshots made when in complete darkness lux lost sensor data, stock brightness app see very well the level of ambient light


Отправлено с моего GT-N7100 через Tapatalk

Samsung probably don't use the Android API to get the light readings, so they don't have to wait for an event to trigger to get data. Lux should be giving you the last detected light value, unless you restarted Lux (or your phone) in an area of constant lux.

Quote:
Originally Posted by quack75

Hello everyone, I have a problem with this application. It should change the brightness automatically, but for me it is only possible to change with negative numbers (sub) if I link for example - 50% with 0 lux, but between 0% and 100% I see no changes. Can someone help me  I use Cyanogenmodnightly 10.1 in a Samsung galaxy s I9000. Thanks

Inviato dal mio GT-I9000 con Tapatalk 2


Inviato dal mio GT-I9000 con Tapatalk 2

If it can only change subzero values, then your ROM/kernel isn't passing on the brightness values to the display. I use the Android API for this, so it should work fine. Also check that you haven't put Lux into sleep mode (see if it says 'sleeping' in the notification).

Quote:
Originally Posted by ikjadoon

On my Galaxy S3, it is set to fastest as default. Normal? That might be why earlier users had it like so:

http://i13.photobucket.com/albums/a2...ps652bc76c.png

I changed it to slow, as recommended in your pop-up....however, to prevent these types of issues in the future, is there a guide or manual for Lux available anywhere? I could help you write one, if you'd like!

Also, would it be difficult to bring back the alpha settings for night mode? For me, the yellow filter seems too weak. One other poster mentioned this.

Also-sorry, I should have tried the beta-with the previous overlay, changing between manual and my automatic mode was simple, press and hold the circle refresh icon. Now, I have to open that menu, go past options I will likely never change, and tap manual. Do most people prefer the new way?

Latest update forces the poll rate to 'medium' (which now has a value between the 'slow' and 'slowest' values in the last release).

The alpha setting was replaced with the Kelvin select slider on the Dashboard. I'll see about adding an offset option.

The new drop down menu for automatic mode selection is more intuitive for new users, and when you get used to it you can quickly navigate between manual and your favourite auto method.

Quote:
Originally Posted by 200mpx

Hmm, today Lux appeared among battery eaters:



Отправлено с моего GT-N7100 через Tapatalk

This isn't unusual for Samsung devices. They all overstate how much power Lux uses. There's also a chance that the high poll rate causes that anomaly, which is now solved.
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27th February 2013, 01:45 PM |#520  
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Quote:
Originally Posted by Cyb3rGlitch

I removed filtering from Lux in favour of a less CPU intensive solution (which only applies to dynamic and ascending modes). What automatic mode are you using?

Playing with dynamic and ascending. What I am not able to achieve is some sort of constant backlight between 10 and 160 lux reading. Typical scenario: half-dark room with softly-lit lamp by the couch. When I move my hand over the device or just slightly change the angle, the sensor reads 160 for a moment and sets the brightness higher. 2 seconds later it comes back to 10 and the lowest backlight is back. And this repeats every 20 seconds or so.

It seems to me that I can't get analogue curve of brightness, it just jumps between sensor values. Maybe it's normal behaviour but I haven't noticed it with previous roms/brightness tools I tried.
27th February 2013, 03:14 PM |#521  
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Quote:
Originally Posted by gobak

Playing with dynamic and ascending. What I am not able to achieve is some sort of constant backlight between 10 and 160 lux reading. Typical scenario: half-dark room with softly-lit lamp by the couch. When I move my hand over the device or just slightly change the angle, the sensor reads 160 for a moment and sets the brightness higher. 2 seconds later it comes back to 10 and the lowest backlight is back. And this repeats every 20 seconds or so.

It seems to me that I can't get analogue curve of brightness, it just jumps between sensor values. Maybe it's normal behaviour but I haven't noticed it with previous roms/brightness tools I tried.

AFAIK ROMs tend to use averaging filters to stop sudden changes. Lux used to have one too until I pulled it out (I wasn't happy with it). If I have time I'll see if I can add one back in, but my time is very limited going forward.
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