Eworkit

i want to use a usb camera for this application and i want to know how to do it

> **Is your feature request related to a problem? Please describe.** A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] > > **Describe...

no . i i am a android application developer and i use android studio. i have a requirement to hide a button while screen sharing . but i don't know...

the problem solve when i replace NULL for nullptr

This error also gone when i add ndk in local.properties