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[APP][Tutorial] Auto Brightness with Camera for Devices have no LIGHT SENSOR[NO ROOT]

Hello Guys!!
Have anybody missed AUTO BRIGHTNESS feature on your device because lack of Ambient Light Sensor,
If yes, the don't worry. I have an easy solution for Auto Brightness, Yes you can use Auto Brightness on NON LIGHT SENSOR Device:victory:
NO ROOT REQUIRED
Download and install These two app from following links:-
Lux Auto Brightness
Tasker
After Installing these apps follow these steps:-
Lux Auto Brightness:-
Go to Lux settings
Tap on Sample Collection
Tap on Select light reading source
Select Camera
Then get back to main settings menu
Tap on Mopdify linked samples
Tap on Luma TAB
Tap on ADD, set brightness (yello bar) to 4% Luma value to 1 and press ADD
Add 3 more links with these values= 35%-70|100%-80|50%-120|
Exit Lux
Tasker:
Open Tasker, tap on Plus Gign(+) on main screen
Tap on Event
Select Display in Event Category
Select Display On in Display Event
A blank screen will appear, do nothing just press BACK Button
TAP on New Task +
Enter Name to task or just tap on tick
A blank screen will Appear, tap on Plus Sign (+)
Select Plugin from action category
Select Lux Plug-in
Tap on Edit Button
Scroll Down and Tick in front of Refresh Backlight brightness? Under Force
Press Done, then press back and back again
Exit Tasker
Thats all work to do, now your dvice have Auto Brightness feature:silly:
To test, just press power button and lock the screen and then cover front camera with finger and press power button again, screen will Light up wait 1-2 seconds, Screen brightness will reduce, remove finger, lock unlock screen and brightness will resume to normal.
I have tested this for full day on my LG Optimus L9 and got no any battery drainage.
You can modify Linked Samples Values to your comfort zone for batter sample values you can also search other XDA forums.
Guys try it and let me know how you feel
if you got any issue please post, I'll try to solve it (Coz m also new to TASKER & LUX so may be it will take little bit time to Solve:fingers-crossed
EDIT: You can uncheck "Presistent notification" in general settings of Lux Auto Brightness, If you think it is draining your phone's battery. This will also disable the annoying Lux icon from notification.
HIT THANKS IF I DESERVE IT

Will it work in non front camera devices ??
Don't Forget To Press Thanks

androite said:
Will it work in non front camera .....
Click to expand...
Click to collapse
Well buddy it needs a camera to take light input, so it will not run without camera or light sensor. I don't know if there is any android device without camera in market. you can use back camera for that, but some times results may annoy you, when you accidentally put your finger in front of camera.

gdjindal said:
Well buddy it needs a camera to take light input, so it will not run without camera or light sensor. I don't know if there is any android device without camera in market. you can use back camera for that, but some times results may annoy you, when you accidentally put your finger in front of camera.
Click to expand...
Click to collapse
That means it uses camera and its going to use up battery !! :what: no no i m not going to use this....
But i appretiate your work.
________I tried to pay attention but attention paid me________

androite said:
That means it uses camera and its going to use up battery !! :what: no no i m not going to use this....
But i appretiate your work.
________I tried to pay attention but attention paid me________
Click to expand...
Click to collapse
Hay pal first read the tutorial fully, I am using tasker to initiate refresh process on display on. If you use lux individually then it will slow down your phone and drain the battery. In my tutorial actually lux is not running in background (if it is running you can kill it). Tasker plug in triggers it to refresh the brightness. Coz i have used it for hole day and currently using, I have not face any issues with device performance. If anyone body faced any issue can post here i'll try to solve it.
So it will never drain battery just try it.
Sent from my LG-P765 using xda premium

gdjindal said:
Hay pal first read the tutorial fully, I am using tasker to initiate refresh process on display on. If you use lux individually then it will slow down your phone and drain the battery. In my tutorial actually lux is not running in background (if it is running you can kill it). Tasker plug in triggers it to refresh the brightness. Coz i have used it for hole day and currently using, I have not face any issues with device performance. If anyone body faced any issue can post here i'll try to solve it.
So it will never drain battery just try it.
Click to expand...
Click to collapse
Ok buddy I will try and report you if any problem occur.
Don't Forget To Press Thanks

androite said:
Ok buddy I will try and report you if any problem occur.
Don't Forget To Press Thanks
Click to expand...
Click to collapse
m waiting for your review..............:highfive:

kooop2 said:
A little bit complicated.. I think most of devices have auto brightness now.
Click to expand...
Click to collapse
Nope. Devices like Galaxy Y does not have that feature and few more.

kooop2 said:
Ok, i see. so you have to sacrifice power for this feature..
Click to expand...
Click to collapse
Guys I have written this tutorial is keeping battery drainage in mind .......THIS WILL NOT DRAIN BATTERY

That didnt work on my galaxy y.after installing lux auto brightness my home screen showing no apps and no apps were working.
Sent from Earth

Good work

gdjindal said:
Hello Guys!!
Have anybody missed AUTO BRIGHTNESS feature on your device because lack of Ambient Light Sensor,
If yes, the don't worry. I have an easy solution for Auto Brightness, Yes you can use Auto Brightness on NON LIGHT SENSOR Device:victory:
NO ROOT REQUIRED
Download and install These two app from following links:-
Lux Auto Brightness
Tasker
After Installing these apps follow these steps:-
Lux Auto Brightness:-
Go to Lux settings
Tap on Sample Collection
Tap on Select light reading source
Select Camera
Then get back to main settings menu
Tap on Mopdify linked samples
Tap on Luma TAB
Tap on ADD, set brightness (yello bar) to 4% Luma value to 1 and press ADD
Add 3 more links with these values= 35%-70|100%-80|50%-120|
Exit Lux
Tasker:
Open Tasker, tap on Plus Gign(+) on main screen
Tap on Event
Select Display in Event Category
Select Display On in Display Event
A blank screen will appear, do nothing just press BACK Button
TAP on New Task +
Enter Name to task or just tap on tick
A blank screen will Appear, tap on Plus Sign (+)
Select Plugin from action category
Select Lux Plug-in
Tap on Edit Button
Scroll Down and Tick in front of Refresh Backlight brightness? Under Force
Press Done, then press back and back again
Exit Tasker
Thats all work to do, now your dvice have Auto Brightness feature:silly:
To test, just press power button and lock the screen and then cover front camera with finger and press power button again, screen will Light up wait 1-2 seconds, Screen brightness will reduce, remove finger, lock unlock screen and brightness will resume to normal.
I have tested this for full day on my LG Optimus L9 and got no any battery drainage.
You can modify Linked Samples Values to your comfort zone for batter sample values you can also search other XDA forums.
Guys try it and let me know how you feel
if you got any issue please post, I'll try to solve it (Coz m also new to TASKER & LUX so may be it will take little bit time to Solve:fingers-crossed
EDIT: You can uncheck "Presistent notification" in general settings of Lux Auto Brightness, If you think it is draining your phone's battery. This will also disable the annoying Lux icon from notification.
HIT THANKS IF I DESERVE IT
Click to expand...
Click to collapse
Wow works like as described in my Samsung Galaxy Core. I did all these things which mentioned and also works nicely. Now can u please let me know how to remove Tasker icon from Status Bar and ongoing notification panel.

kamrul.auntu said:
Wow works like as described in my Samsung Galaxy Core. I did all these things which mentioned and also works nicely. Now can u please let me know how to remove Tasker icon from Status Bar and ongoing notification panel.
Click to expand...
Click to collapse
you can hide tasker notification icon in tasker preferences under monitor tab

gdjindal said:
you can hide tasker notification icon in tasker preferences under monitor tab
Click to expand...
Click to collapse
Lux works fine without Tasker too. I didn't feel bothered to uninstall Tasker at last. Tasker itself consume a smart amount of RAM. Now I am using lux with some additional luma values in addition to given here. I am using total 11 numbers of values and set adjust "On Woke". It's flawlessly working without the help of tasker.

Thanks man. The flux app saved me!!!!!
(Ps.: I aslo think that tasker is not needed because flux is enough)

works like charm
nice my nexus 4 light sensor and proximity sensors are dead..this resolved light sensor...any alternate for proximity sensor???while receiving or making calls

Another app that work to. Just install. No need any setting.
It is "Auto brightness by PP".
It is free.

Hi, with only this app you can do the same:
amazon
com /dp/B079WCMRL8/ref=sr_1_1?s=mobile-apps&ie=UTF8&qid=1519056126&sr=1-1

[Tutorial] AUTO BRIGHTNESS 100% Working[NO ROOT]

Hello Guys!!
Have anybody missed AUTO BRIGHTNESS feature in ACE PLUS because lack of Ambient Light Sensor,
If yes, the don't worry. I have an easy solution for Auto Brightness, Yes you can use Auto Brightness on GALAXY ACE PLUS:victory:
NO ROOT REQUIRED
Download and install These two app from following links:-
Lux Auto Brightness
Tasker
After Installing these apps follow these steps:-
Lux Auto Brightness:-
Go to Lux settings
Tap on Sample Collection
Tap on Select light reading source
Select Camera
Then get back to main settings menu
Tap on Mopdify linked samples
Tap on Luma TAB
Tap on ADD, set brightness (yello bar) to 4% Luma value to 1 and press ADD
Add 3 more links with these values= 35%-70|100%-80|50%-120|
Exit Lux
Tasker:
Open Tasker, tap on Plus Sign(+) on main screen
Tap on Event
Select Display in Event Category
Select Display On in Display Event
A blank screen will appear, do nothing just press BACK Button
TAP on New Task +
Enter Name to task or just tap on tick
A blank screen will Appear, tap on Plus Sign (+)
Select Plugin from action category
Select Lux Plug-in
Tap on Edit Button
Scroll Down and Tick in front of Refresh Backlight brightness? Under Force
Press Done, then press back and back again
Exit Tasker
Thats all work to do, now your dvice have Auto Brightness feature:silly:
To test, just press power button and lock the screen and then cover front (rear if your device don't have front) camera with finger and press power button again, screen will Light up wait 1-2 seconds, Screen brightness will reduce, remove finger, lock unlock screen and brightness will resume to normal.
I have tested this for full day on my L9 and got no any battery drainage.
You can modify Linked Samples Values to your comfort zone for batter sample values you can also search other XDA forums.
Guys try it and let me know how you feel
if you got any issue please post, I'll try to solve it (Coz m also new to TASKER & LUX so may be it will take little bit time to Solve:fingers-crossed
EDIT: You can uncheck "Presistent notification" in general settings of Lux Auto Brightness, If you think it is draining your phone's battery. This will also disable the annoying Lux icon from notification.
HIT THANKS IF I DESERVE IT

that Lux Auto Brightness app didn't work on normal Ace Plus which running on gingerbread roms,
because this app is not compatible with GB it requires atleast ICS.
But also CM users may enjoy this auto-brightness feature in their ace plus... nice one

j.posarekar70 said:
that Lux Auto Brightness app didn't work on normal Ace Plus which running on gingerbread roms,
because this app is not compatible with GB it requires atleast ICS.
But also CM users may enjoy this auto-brightness feature in their ace plus... nice one
Click to expand...
Click to collapse
thanks for this info, I haven't checked it on GB

j.posarekar70 said:
that Lux Auto Brightness app didn't work on normal Ace Plus which running on gingerbread roms,
because this app is not compatible with GB it requires atleast ICS.
But also CM users may enjoy this auto-brightness feature in their ace plus... nice one
Click to expand...
Click to collapse
nope. it'd not work on CM either because of camera issue

Works like charm now that the camera has been partially fixed. Only thing is both tasker and lux are paid.

never
i never think it will work thank

another usefull app for our sgap......thank you

Wow.. With so many people developing amazing things for the ace plus, I guess very soon ace plus will be equal to any high end device.. First we got android 4.1.2 and 4.2.2 jelly bean and now auto brightness.. Awesome..

Works fine, thanks

Hi @gdjindal .. I have a question.. After following the procedure, do I have to keep those apps of I can remove them??

sallu08 said:
Hi @gdjindal .. I have a question.. After following the procedure, do I have to keep those apps of I can remove them??
Click to expand...
Click to collapse
of course sallu, you will have to keep those apps installed. if your remove them (i don't know why you want to remove these apps) ,the brightness will no longer automatically adjusted....

[HOW TO] Make your Note 3 screen even brighter for sunlight readability

Are you tired of not being able to read the screen very well when outside under the hot sun? Then you came to the right thread.
Touchwiz Auto Brightness does not need this mod.
However, no brightness functionality in any AOSP ROM is capable of getting as bright as Touchwiz Auto Brightness. Nor can the manual brightness slider of AOSP or Touchwiz.
As I've presented it here, this "app" will enable an extra ~5-10% brightness from your Note 3 4.4.2 and 4.4.4 OLED display in both rooted TouchWiz and AOSP ROM's. If I had to guess, max brightness in manual mode is something like 350'ish nits. And when you enable this mod, it jumps up to something like 600'ish nits?
***While this mod is turned on, you will lose the ability to adjust brightness via the manual-brightness slider. This mod will peg it to the limit of extra brightness until the mod is turned off.
You can leave this extra-brightness mod turned on at all times, but I don't recommend leaving the screen on for more than a minute or two.
DO NOT LEAVE THE SCREEN TURNED ON FOR MORE THAN A MINUTE OR TWO WHEN THE EXTRA-BRIGHTNESS MOD IS ENABLED. IT'LL EVENTUALLY FRY/BURN-IN YOUR OLED DISPLAY IF OVERUSED! I AM NOT RESPONSIBLE FOR ANY OTHER SIDE-EFFECTS THIS MOD MIGHT CAUSE.
To use the mod, please install the attached apk's. Just open in Root Explorer and install.
When you click the app, it will automatically adjust your brightness.
Click the "Sunlight" app and it'll put your OLED screen into stereoids brightness mode. It basically overdrives all the colors so you can see the screen a little better under direct sunlight conditions.
Click the "Automatic" app and it'll put your OLED screen back into regular auto-brightness mode.
Click the "Manual" app and it'll put your phone back into regular manual-brightness mode.
I think I'm going to learn how to get AutoVoice going with Tasker so I can set up a voice activated command that will enable/disable this brightness mod. Because I have a hard time reading my screen (dark themes) under direct Texas sunlight!!!
If you don't want to install an app, then just make a script. This command will enable the extra-brightness:
Code:
echo 6 > /sys/class/backlight/panel/auto_brightness
If a dev out there can figure out how to enable this mod and not lose adjustability of manual-brightness, that would be freakin sweet. :good:
Many thanks go to @hatcyl because it was his thread over in the Note II subforum that got me pointed in the right direction to figuring out how we can do this on our Note 3.
Edit 1/6/2017
I found my old APK's and uploaded them to one zip.
Just unzip to locate the APK's to install:
http://www.filedropper.com/czbrightness

CZ Eddie said:
DO NOT LEAVE THIS MOD TURNED ON FOR MORE THAN A MINUTE OR TWO. IT'LL EVENTUALLY FRY/BURN-IN YOUR OLED DISPLAY IF OVERUSED! I AM NOT RESPONSIBLE FOR ANY OTHER SIDE-EFFECTS THIS MOD MIGHT CAUSE.
Click to expand...
Click to collapse
Great find! But question.....what's the point for a 1-2 minute feature? I have this feature on my OPO and it does it automatically kernel+ROM wise. But on the N3, having to turn it off after 1-2 minute kills the original purpose, does it not?

nicholaschum said:
Great find! But question.....what's the point for a 1-2 minute feature? I have this feature on my OPO and it does it automatically kernel+ROM wise. But on the N3, having to turn it off after 1-2 minute kills the original purpose, does it not?
Click to expand...
Click to collapse
Well you can leave it turned on all week long if you want. But I wouldn't leave the screen turned on for more than a few minutes at a time. That's why Samsung didn't add this brightness capability to the manual slider. Stuff gets wonky when the screen is overdriven this hard.
AOSP auto-brightness can't get as bright as TouchWiz auto-brightness. Ideally, a dev would add this mod to the AOSP auto-brightness somehow, so AOSP could get as bright as TouchWiz when needed.
For me, I'll have this turned on when I'm walking my dog during the day, or doing random things outdoors. And that'll be just fine, because the screen won't ever be turned on for more than a few seconds at a time.

Very nice mod, just add a feature to turn it off after a minute, great if you add tasker integration.
Sent from Galaxy Note 3 SM-N9005

This is f*cking awesome. Thanks bro
Sent from my SM-N900T using XDA Free mobile app

thahim said:
Very nice mod, just add a feature to turn it off after a minute, great if you add tasker integration.
Click to expand...
Click to collapse
The APK's were built using Tasker's App Factory.
For Tasker integration, you simply use the "script" option in Tasker.
Let me know if you have any specific Tasker questions. I"m not a pro, more of a beginner. But I'll try to help.
I'd like to figure out a way so Tasker can tap into the light sensor and automatically pop the extra brightness over certain a certain LUX, then turn it off after that LUX number drops.

How did you beat the brightness levels with tasker and do you mean I have to use intents in tasker?
Sent from Galaxy Note 3 SM-N9005

thahim said:
How did you beat the brightness levels with tasker and do you mean I have to use intents in tasker?
Click to expand...
Click to collapse
Ahh, no you ignore the brightness level in Tasker. 255 is the highest that's ever going to go and that's OK.
You simply create a new task, name it, then add action, the action will be "script". Then you add the command and check the box to make it run as root.
The command will be:
Code:
echo 6 > /sys/class/backlight/panel/auto_brightness
Then to turn it off, just toggle auto-brightness in the Android Brightness Options.
Or create another Tasker task using the Display action to turn auto-brightness on.
Hope this helps.

CZ Eddie said:
Ahh, no you ignore the brightness level in Tasker. 255 is the highest that's ever going to go and that's OK.
You simply create a new task, name it, then add action, the action will be "script". Then you add the command and check the box to make it run as root.
The command will be:
Code:
echo 6 > /sys/class/backlight/panel/auto_brightness
Then to turn it off, just toggle auto-brightness in the Android Brightness Options.
Or create another Tasker task using the Display action to turn auto-brightness on.
Hope this helps.
Click to expand...
Click to collapse
I tried running these commands in run shell. Nothing happened to my screen.
Sent from Galaxy Note 3 SM-N9005

thahim said:
I tried running these commands in run shell. Nothing happened to my screen.
Click to expand...
Click to collapse
Did you run them as Root?
Superuser should prompt you to give Tasker root permissions when you run it. Or it should unless you've already given Tasker root permissions before.
If you're not sure, then open Superuser and see if Tasker is listed as one of hte apps inside it.

thahim said:
I tried running these commands in run shell. Nothing happened to my screen.
Click to expand...
Click to collapse
How did it work out? If root didn't do it, then what ROM/Kernel are you running?

Can someone check out my newest APKs?
CZ_Auto_Brightness:
http://d-h.st/07T
CZ_Manual_Brightness:
http://d-h.st/07T
CZ Sunlight Brightness:
http://d-h.st/ALMu
Install.
Click 'em to change brightness.
If you enable Sunlight brightness, then you *might* need to select auto afterwards, before the manual can be selected. Can't go directly from sunlight to manual. At least not on my first test. Second test ROM doesn't see that behavior.
Here's a how-to video that includes a demonstration. Though it's kind of hard to see the changes, it might help understand what's going on.
http://youtu.be/jlTGeAL_It8
Here's what the three apps look like when added to my Quick Toggles. They are the top three apps:
upload gambar

CZ Eddie said:
Can someone check out my newest APKs?
CZ_Auto_Brightness:
http://d-h.st/07T
CZ_Manual_Brightness:
http://d-h.st/07T
CZ Sunlight Brightness:
http://d-h.st/ALMu
Install.
Click 'em to change brightness.
If you enable Sunlight brightness, then you *might* need to select auto afterwards, before the manual can be selected. Can't go directly from sunlight to manual. At least not on my first test. Second test ROM doesn't see that behavior.
Here's a how-to video that includes a demonstration. Though it's kind of hard to see the changes, it might help understand what's going on.
http://youtu.be/jlTGeAL_It8
Here's what the three apps look like when added to my Quick Toggles. They are the top three apps:
upload gambar
Click to expand...
Click to collapse
you have the same link for auto and manual..solve it and will test it to my jamal s5 port..

Very cool app

Impressive.
:good::good::good::good::good:

Very nice

Where can I get the manual one?

Revive and thank for the Mod,
For any users looking, I have used the APK in post 12
(CZ Sunlight Brightness)
And the Zip in the OP, i use Normal.2.apk
Working as expected, Would be nice to have them included in the one App if the OP was still active on this.

max brightness
the max brightness seems like outdoor mode . . do this bright app has also time limit like default system outdoor mode which is 15 minutes? thanks more power of your development
---------- Post added at 07:01 AM ---------- Previous post was at 06:47 AM ----------
wow hats off on this app. no time limit for max brightness mode this app is what ive been searching since i got my screen dim damage after submerging in water few months back. . max brightness fix my screen with the help of darker pro app that balances the color. . by the way i wanna ask what is tha changelog of bright.2.apk and CZ Sunlight Brightness thanks so much again

Near_07 said:
the max brightness seems like outdoor mode . . do this bright app has also time limit like default system outdoor mode which is 15 minutes? thanks more power of your development
---------- Post added at 07:01 AM ---------- Previous post was at 06:47 AM ----------
wow hats off on this app. no time limit for max brightness mode this app is what ive been searching since i got my screen dim damage after submerging in water few months back. . max brightness fix my screen with the help of darker pro app that balances the color. . by the way i wanna ask what is tha changelog of bright.2.apk and CZ Sunlight Brightness thanks so much again
Click to expand...
Click to collapse
Sorry, I don't have any changelog and don't remember the details of this mod.
It's been too long since I made it.
FYI, the developer @flar2 has created a High Brightness Mode widget that far surpasses my original mod.
It is a newer mod and so I don't know how well it works on the Note 3 or if it works at all.
But it works AWESOME on my Google Pixel XL which has the AMOLED display from Samsung.
Here is a link to the widget/mod:
https://play.google.com/store/apps/details?id=flar2.hbmwidget&hl=en

Request "Knock On" app to turn on display (similar to LG devices)

Hello! I'm searching for an app that allows me to wake up the GS7's display through "knock on" mode like LG's device.
On playstore there are so many apps that allow us, through double tap, to turn on the screen and unlock the device directly . I don't search this type of apps because they unlock the lockscreen directly, so they are incompatible with the stock fingerprint lockscreen . I would therefore like to know if there is an app that, using the double tap, simply allows to turn on the GS7's display on the lockscreen of that, allowing us, then, to unlock the phone normally with our fingerprint .
Thank you very much for helping.

RIP battery life though lol
Sent from my Samsung SM-G930T using XDA Labs

djgius said:
Hello! I'm searching for an app that allows me to wake up the GS7's display through "knock on" mode like LG's device.
Click to expand...
Click to collapse
In Settings, Accessibility > Dexterity & Interaction > Easy screen on > switch on.
It's not double tap, but uses the proximity sensor to turn screen on by waving an object or your hand over it.
Since it's a built-in option, it uses only 1-2% battery life.
Works for me

Fullmetal Jun said:
In Settings, Accessibility > Dexterity & Interaction > Easy screen on > switch on.
It's not double tap, but uses the proximity sensor to turn screen on by waving an object or your hand over it.
Since it's a built-in option, it uses only 1-2% battery life.
Works for me
Click to expand...
Click to collapse
There is a app or xposed module for double tap ??
Thank
Hispa

hispanico957 said:
There is a app or xposed module for double tap ??
Thank
Hispa
Click to expand...
Click to collapse
There must be one! I'm not rooted. So I don't know if it works..

If the fingerprint reader doesn't consume much energy I would love a tap to wake for it. I guess the nexus 6p does this?

You are looking for a feature that hardware must support it and needs kernel level development.
Any software solution you find to do it is gonna need a constant wakelock and definitely is going to kill your battery in a few hours.
Sent from my SM-G930F using XDA-Developers mobile app

Fullmetal Jun said:
In Settings, Accessibility > Dexterity & Interaction > Easy screen on > switch on.
It's not double tap, but uses the proximity sensor to turn screen on by waving an object or your hand over it.
Since it's a built-in option, it uses only 1-2% battery life.
Works for me
Click to expand...
Click to collapse
thanks for that tip :good:

Try glance plus in Play store. You can set it to double tap to wake or even using fingerprint to unlock. The best app IMO.
Sent from my SM-G930F using Tapatalk

Solved...How to disable display on poco f1 like on PCs

I don't want to use power button, double tap or simulate that. I just want to disable display for some time and then turn it back on. Is this possible? Thanks.
Edit: this app does it flawlessly with root. https://forum.xda-developers.com/android/apps-games/app-screen-backlight-off-xda-exclusive-t3037380
Objectives
1. Apps should be running in foreground thinking I'm using phone.
2. Only display module should be affected.
3. Android itself should think that the display is turned on and should play YouTube videos (though i dont want youtube.. Its just an example plz don't comment YouTube vanced)..
Possible solutions:
1. Rename display driver files (idk location).
2. Make brightness 0 (idk how to do this.. Idk default value too)
Ps: even if there is adb command plz tell me that.. Along with command to turn display on again lol

Double tap to sleep and double tap to wake

??? I don't want my android to sleep. I want to just disable the display not put phone on sleep like double tap, power button etc..

Use the game mode...it has a screen off feature...just manually add the app as a game you want to use this feature on. Even sound works...just screen turns of...helps with YouTube for free background play ?

I'm not on stock MiUi rom bro I'm using syberia os.. Thanks for idea btw..

Break the screen

If you're on custom rom, then find one with smart pixel and disable around 80-90% of the pixels

Thanks but smart pixels is useless for non amoled phones..

Do u want to take picture of someone secretely??
If so then there is already an app for that which disables the screen and then u just tap anywhr on the screen whn the display is off and snap any photo/vid.

Lol no nothing like that.. I just want to disable my display panel to watch hotstar app for long times.. I don't need video only audio... So I wanna disable display panel to save battery.

My god the OP has a lot of issues for an absurd problem

Found solution. https://forum.xda-developers.com/android/apps-games/app-screen-backlight-off-xda-exclusive-t3037380

add to game turbo you can turn off display and running game/on background with display turn off..