RefinementList

FacetListConnector(
    searcher: HitsSearcher,
    filterState: FilterState,
    attribute: String,
    selectionMode: SelectionMode,
    items: List<FacetHits>,
    persistentSelection: Boolean,
    groupID: FilterGroupID,
)

class MyActivity : AppCompatActivity() {

  val searcher = HitsSearcher(
      applicationID = "YourApplicationID",
      apiKey = "YourSearchOnlyAPIKey",
      indexName = "YourIndexName"
  )
  val facetList = FacetListConnector(
      searcher = searcher,
      filterState = FilterState(),
      attribute = "facetName",
      selectionMode = SelectionMode.Multiple
  )
  val connection = ConnectionHandler(facetList)

  override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      // You can use the default `FacetListAdapter`, or implement your own UI component that implements the `FacetListView` interface.
      val facetListAdapter = FacetListAdapter(FacetListViewHolderImpl.Factory)
      connection += facetList.connectView(facetListAdapter)
      searcher.searchAsync()
  }

  override fun onDestroy() {
      super.onDestroy()
      connection.disconnect()
      searcher.cancel()
  }
}

class MyActivity: AppCompatActivity() {
    val searcher = HitsSearcher(
        applicationID = "YourApplicationID",
        apiKey = "YourSearchOnlyAPIKey",
        indexName = "YourIndexName"
    )
    val filterState = FilterState()
    val attribute = "facetName"
    val viewModel = FacetListViewModel()
    val presenter = FacetListPresenterImpl(listOf(FacetSortCriterion.CountDescending), limit = 5)
    val connection = ConnectionHandler()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // You can use the default FacetListAdapter, or write your own UI component that implements the FacetListView interface.
        val view: FacetListView = FacetListAdapter(MyFacetListViewHolder.Factory)

        connection += searcher.connectFilterState(filterState)
        connection += viewModel.connectFilterState(filterState, attribute, FilterOperator.Or)
        connection += viewModel.connectSearcher(searcher, attribute)
        connection += viewModel.connectView(view, presenter)

        searcher.searchAsync()
    }

    override fun onDestroy() {
        super.onDestroy()
        connection.disconnect()
        searcher.cancel()
    }
}

class MyActivity : AppCompatActivity() {
    val searcher = HitsSearcher(
        applicationID = "YourApplicationID",
        apiKey = "YourSearchOnlyAPIKey",
        indexName = "YourIndexName"
    )
    val facetListState = FacetListState()
    val facetList = FacetListConnector(
        searcher = searcher,
        filterState = FilterState(),
        attribute = "facetName",
        selectionMode = SelectionMode.Multiple
    )
    val connections = ConnectionHandler(facetList)

    init {
        connections += facetList.connectView(facetListState)
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        // You can use the default `FacetListAdapter`, or implement your own UI component that implements the `FacetListView` interface.
        setContent {
            facetListState.items.forEach { selectableFacet ->
                FacetRow( // your own UI composable to display `SelectableItem<FacetHits>`
                    selectableFacet = selectableFacet,
                    onClick = { facet -> facetListState.onSelection?.invoke(facet) }
                )
            }
        }
        searcher.searchAsync()
    }

    override fun onDestroy() {
        super.onDestroy()
        connections.disconnect()
        searcher.cancel()
    }
}