Android - Extending ARActivity will stop working system camera torch (Flash light)

ar-android
kudan
marker
camera

#1

I have build a watch 3D model with marker its working fine, but when i build Camera torch on same ARActivity will stop working flash light, even it will stop working system flash torch (On/off torch from system widgets)

if in case i will extends Activity works perfectly fine.

Will you can please help me to solve this issue ?

Thank you.