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Questions tagged [screen-brightness]

141 questions
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Brightness goes normal after changing activity

I was trying to switch between 'full brightness' and 'phones normal brightness' by using a switch button in my main activity. I successfully handled the switching of brightness by using this code: switchButton.setOnCheckedChangeListener(new…
Sayem
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How turn On/Off android display backlight using C# only in Unity3d

Anybody knows how to turn On/Off android display backlight using C# only in Unity? I don't like plugins, and I don't want to make one of my own. I know that you can disable the display while using the proximity sensor... but i don't know how to do…
MadMac
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Front camera brightness get very low when start recording in custom camera

I'm working in a custom video recorder which contain both front and back camera. When i start recording in back camera no problem, when i start recording in front camera brightness of the camera reduced. i have camera switch button to change front…
Sasi
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SecurityException for WRITE_SETTINGS permission while adjusting screen brightness

App has button in the middle That switches between brightness, but right now, if button is clicked twice and i try clicking it again it does not function anymore. Does anyone know how to put screen brightness to previous state before the button was…
Kenertj
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GetMonitorBrightness() crashes with Access Violation

I'm trying to set up a small programm to adjust Monitor Brightness by the current room brightness. I followed the instructions from MSDN and set up this: cout << "Legen Sie das Fenster bitte auf den zu steuernden…
DoktorMerlin
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how to get Screen dim events in android

I want to get the dim state of the screen from bright,but I don't know how. there are broadcast for screen_on and screen_off,but there is no broadcast for screen_dim,is there any way to get screen_dim? the following way doesn't work: save value…
lily
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How to change brightness?

I run Runnable which should gradually change brightness private Runnable runnable = new Runnable(){ @Override public void run(){ if(intensity < 1){ intensity += intensityGrow; } if(intensity > 1){ intensity =…
Yarh
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Can't keep Screen brightness setting in android 5.0++

I use this code to reduce screen brightness but it only work in android 4.4--. When I test in android 5++ then it work when Activity open, after I finish/close Activity then the screen brightness return default setting before. How can I keep screen…
Ken Kem
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How to Change Brightness Programmatically From Lockscreen

First want to give context of my app: when a call is incoming the screen will turn on and will brighten up. same for a text, the screen will turn on for a second. What I want to do is if a call or text comes in that the screen brightness stays as…
Andrew Irwin
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Reset users default app brightness in applicationDidEnterBackground with swift

I've been trying to reset the user's default device brightness in the app delegate method: applicationDidEnterBackground by using this code: UIScreen.mainScreen().brightness = screenBrightness! The code gets called but the brightness is not reset. …
Charlie S
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Adaptive brightness in android

How can I implement adaptive brightness setting through my application to android device. I am able to change brightness level in manual mode. In case of automatic mode I am using sensor manager to detect ambient light sensor and according to light…
user3207655
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Android- screen brightness diminishes on launch

I am developing an android app in which i am just opening a website in a webview. Everything was working fine, but suddenly i noticed that when i launch my app, phone's screen brightness diminishes automatically to a slightly low than normal. But…
Hirdesh Vishwdewa
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Control volume and brightness use GestureDetector in android

As title, I am created a player, and i want change volume and brightness by way use GestureDetector as Mx Player application. (swipe left bottom <-> top to change brightness and swipe right bottom <-> top to change volume ) Please help me. Thanks…
MrSiro
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Manipulation of the backlight in a embedded linux device is unstable

I want to control the backlight value of a LCD monitor in a embedded linux device. Doing researches throughout the internet I found a couple of references saying that the file called backlight inside the backlight's driver folder in sys/classes…
Momergil
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Adjust brightness of BB Device through programmatically

I am naive in BB platform. I own a blackberry Z10. I want to develop an app that should provide me following requirements, Change phone brightness from the app. The issue here is when I change brightness it works untill I am in the app. When I exit…
IndiesApps
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