At the moment I have code to fade brightness adjustments which looks something like this: new Thread() { public void run() { for (int i = initial; i < target; i++) { final int bright = i; h...

How can I get a measure for a pixels brightness for a specific pixel in an image? I'm looking for an absolute scale for comparing different pixels' brightness. Thanks

The following applies to the Android operating system. I am trying to estimate how dark (or light) it is in the room where the phone is located using the camera. The idea is that the camera can r...

I'm making an app that needs to toggle the screen on/off when the user shakes the phone. So far, I've got a SensorEventListener that listens to the shakes as suggested in the answer to this questio...

My iphone application captures the realtime data from camera using AVFoundation's AVCaptureSession. I'm able to access that data in it's delegate method in runtime and create an image out of it. It...

I am trying to set the brightness of the backlight, but it's acting very strangely. I am using the private API: [(id)[UIApplication sharedApplication] setBacklightLevel:1.0f]; However, when I cal...

Given two seperate computers, how could one ensure that colours are being projected roughly the same on each screen? IE, one screen might have 50% brightness more than another, so colours appear d...

I have Windows Server 2008 installed on a Sony laptop and the brightness control doesn't work. I'd like to write a program to allow me to change it. Currently what I have to do is open the Power co...