Android Jetpack架构之LifecycleService

class MyServiceObserver : LifecycleObserver {

}

class MyService : LifecycleService() {

    private val _observer: MyServiceObserver = MyServiceObserver()

    init {
        lifecycle.addObserver(_observer)
    }

    override fun onDestroy() {
        super.onDestroy()

        lifecycle.removeObserver(_observer)
    }

}