DangerousPermission.kt

private fun checkPermission() {
    if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, arrayOf(Manifest.permission.ACCESS_COARSE_LOCATION), 9999)
    }
}

override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
    if (requestCode != 9999) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
        return
    }

    if (grantResults.any { it != PackageManager.PERMISSION_GRANTED }) {
        finish()
        return
    }
}