How to make a torch (iPhone) with colored light in swift?

Question

I have tried to read AVFoundation documentation and I can't find anything about colors. Is it possible to change the color to red, green or blue? I think I have seen colored torch apps.

Would it be very hard to write your own code that controlled color hue or lumen of the flashlight?

Answer 1

While there are apps that get around this by display a brightly colored screen , the flash on the iPhone is has a single LED element .

You do, via AVCaptureDevice , have the ability to change the intensity of torches on some models. Take a look at the torchLevel property.

You could always try an easy hardware hack .