Location Service Kotlin Android With Permissions Dispatcher and RX Location Manager

AndroidManifest.xml

<!-- Only permissions necessary -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

<uses-feature android:name="android.hardware.location.gps" />

<!-- Inside application tag -->
<service android:name=".LocationService"/>

LocationService.kt

class LocationService : Service() {
    val TAG : String = "LOCATION_SERVICE"

    override fun onBind(intent: Intent?): IBinder? = null

    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        val rxLocationManager = RxLocationManager(this)
        rxLocationManager
                .requestLocation(
                        LocationManager.GPS_PROVIDER,
                        LocationTime(1, TimeUnit.MINUTES))
                .subscribe({
                    location: Location ->

                    Log.d(TAG, location.toString()) // show location data
                    Log.d(TAG, intent?.getStringExtra("TST")) // get data pass by intent

                    // use data
                })

        return super.onStartCommand(intent, flags, startId)
    }

    override fun onDestroy() {
        super.onDestroy()
        Log.d(TAG, "DESTROY")
    }
}

MainActivity.kt

@RuntimePermissions
class MainActivity : AppCompatActivity() {
    private val TAG: String = "MAIN_ACTIVITY"

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        btn_show_location.setOnClickListener {
            Log.d(TAG, "CLICK START")
            requestLocationWithPermissionCheck()
        }
    }

    @NeedsPermission(ACCESS_FINE_LOCATION)
    fun requestLocation() {
        Log.d(TAG, "REQUEST LOCATION")

        val i = Intent(this, LocationService::class.java)
        i.putExtra("TST", "TEST")
        startService(i) // request service to update location

        stopService(i) // stop service but location is requested yet
    }

    @OnPermissionDenied(ACCESS_FINE_LOCATION)
    fun onLocationDenied() {
        Toast.makeText(this, R.string.permission_location_denied, Toast.LENGTH_SHORT).show()
    }

    @OnNeverAskAgain(ACCESS_FINE_LOCATION)
    fun onLocationNeverAskAgain() {
        Toast.makeText(this, R.string.permission_location, Toast.LENGTH_SHORT).show()
    }

    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
        onRequestPermissionsResult(requestCode, grantResults)
    }
}