Android studio's emulator has an error "can't connect to camera"

Question

I'm connecting a webcam to my emulator by setting the front camera to "webcam0" in the AVD Manager. When I launch the webcam from Android studio's AVD manager or using emulator -camera-front webcam0 , I get the following window:

and when the emulator has showed that is an error

Please help me how to fix that.

Answer 1

Go to Android Virtual device manager>>select the emulator>>click edit>>select Advanced Setting>>camera select as Emulated rather than Webcam0 .

Answer 2

I got this error on new android emulator and was able to fix it by selecting emulated options for both Front and Back camera and clearing Camera App's Cache & data.