Filter Numeric Range

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class MyActivity : AppCompatActivity() {

    val client = ClientSearch(
        ApplicationID("YourApplicationID"),
        APIKey("YourAPIKey")
    )
    val index = client.initIndex(IndexName("YourIndexName"))
    val searcher = SearcherSingleIndex(index)
    val filterState = FilterState()
    val attribute = Attribute("price")
    val viewModel = FilterRangeViewModel<Int>()
    val connection = ConnectionHandler()

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

        val view: NumberRangeView<Int> = MySliderNumberRangeView()

        connection += searcher.connectFilterState(filterState)
        connection += viewModel.connectFilterState(filterState, attribute)
        connection += viewModel.connectView(view)

        searcher.searchAsync()
    }

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