GetLocationPermission.kt

private fun allowLocationDetectionPermissions() {
     if (ContextCompat.checkSelfPermission(this@MainActivity, Manifest.permission.ACCESS_FINE_LOCATION)
             == PackageManager.PERMISSION_DENIED) {
         ActivityCompat.requestPermissions(this@MainActivity,
                 arrayOf(Manifest.permission.ACCESS_FINE_LOCATION), FINE_LOCATION_PERMISSION_REQUEST)
     }
}

override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
     when (requestCode) {
         FINE_LOCATION_PERMISSION_REQUEST -> {
             if ((grantResults.isNotEmpty() && grantResults[0] == PackageManager.PERMISSION_GRANTED)) {
                 scanLeDevice(true)
             } else {
                 //notify the user to allow location detection otherwise the scaning won't work
             }
             return
         }
     }
}