API Reference
/
Android Widgets
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Hits
Apr. 24, 2019
Hits
About this widget
Hits is a view with helper components used to display a list of search results.
Read about HitsPaging if you want to use the infinite scroll pattern in your search.
To add Hits to your search experience, use these components:
Searcher: TheSearcherthat handles your searches.T: Adata classrepresenting a search result.HitsView<T>: The view that will render objects of typeT.
Examples
You can use deserialize to convert raw hits into your own data class using the Serializable annotation.
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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 connection = ConnectionHandler()
val adapter = MovieAdapter()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
connection += searcher.connectHitsView(adapter) { response ->
response.hits.deserialize(Movie.serializer())
}
searcher.searchAsync()
}
override fun onDestroy() {
super.onDestroy()
connection.disconnect()
searcher.cancel()
}
}
@Serializable
data class Movie(
val title: String
)
class MovieViewHolder(val view: TextView): RecyclerView.ViewHolder(view) {
fun bind(data: Movie) {
view.text = data.title
}
}
class MovieAdapter : RecyclerView.Adapter<MovieViewHolder>(), HitsView<Movie> {
private var movies: List<Movie> = listOf()
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): MovieViewHolder {
return MovieViewHolder(TextView(parent.context))
}
override fun onBindViewHolder(holder: MovieViewHolder, position: Int) {
val movie = movies[position]
holder.bind(movie)
}
override fun setHits(hits: List<Movie>) {
movies = hits
notifyDataSetChanged()
}
override fun getItemCount(): Int {
return movies.size
}
}
Parameters
transform
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type: (ResponseSearch) -> List<T>
Required
A function transforming the search response into a list of results of your class |
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