MainActivity.kt

btn_detect.setOnClickListener {
     camera_view.captureImage { cameraKitView, byteArray ->
         camera_view.onStop()
         alertDialog.show()
         var bitmap = BitmapFactory.decodeByteArray(byteArray, 0, byteArray?.size ?: 0)
         bitmap = Bitmap.createScaledBitmap(bitmap, camera_view?.width ?: 0, camera_view?.height ?: 0, false)
         runDetector(bitmap)
     }
     graphic_overlay.clear()
}