Apps Run camera app in foreground in android

[thelinh]

Hi All,

I try to capture multiple images of user face use front camera of android phone.

I want to hide the camera, just show an icon in the android notification bar like app:

Hold Screen ON: https://play.google.com/store/apps/details?id=com.kkeyser.android.eyebuddy.paid&hl=en

Please give me an advice to implement it.

thanks.