MyViewModel.kt

data class MyViewModel(
        private val myEndpoint: MyEndpoint): DisposableViewModel() {

    private val searchText = ChannelLiveData("")
    private val inProgress = ChannelLiveData(false)
    private val result = ChannelLiveData("")

    init {
        disposableLaunch {
            searchText
                    .openSubscription()
                    .consumeEach { searchText ->
                        inProgress.send(true)
                        val searchResult = myEndpoint.search(searchText)
                        inProgress.send(false)
                        result.send(searchResult)
                    }
        }
    }
}