Wie man eine RecyclerView mit einer SearchView filtert
Ich versuche das @ zu implementierSearchView
aus der Support-Bibliothek. Ich möchte, dass der Benutzer das @ verwendeSearchView
um ein @ zu filteList
von Filmen in einemRecyclerView
.
Ich habe bisher ein paar Tutorials befolgt und das @ hinzugefüSearchView
zumActionBar
, aber ich bin mir nicht sicher, wohin ich von hier aus gehen soll. Ich habe ein paar Beispiele gesehen, aber keines zeigt Ergebnisse, wenn Sie anfangen zu tippen.
Das ist meinMainActivity
:
public class MainActivity extends ActionBarActivity {
RecyclerView mRecyclerView;
RecyclerView.LayoutManager mLayoutManager;
RecyclerView.Adapter mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_recycler_view);
mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
mRecyclerView.setHasFixedSize(true);
mLayoutManager = new LinearLayoutManager(this);
mRecyclerView.setLayoutManager(mLayoutManager);
mAdapter = new CardAdapter() {
@Override
public Filter getFilter() {
return null;
}
};
mRecyclerView.setAdapter(mAdapter);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
SearchView searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
Und das ist meinAdapter
:
public abstract class CardAdapter extends RecyclerView.Adapter<CardAdapter.ViewHolder> implements Filterable {
List<Movie> mItems;
public CardAdapter() {
super();
mItems = new ArrayList<Movie>();
Movie movie = new Movie();
movie.setName("Spiderman");
movie.setRating("92");
mItems.add(movie);
movie = new Movie();
movie.setName("Doom 3");
movie.setRating("91");
mItems.add(movie);
movie = new Movie();
movie.setName("Transformers");
movie.setRating("88");
mItems.add(movie);
movie = new Movie();
movie.setName("Transformers 2");
movie.setRating("87");
mItems.add(movie);
movie = new Movie();
movie.setName("Transformers 3");
movie.setRating("86");
mItems.add(movie);
movie = new Movie();
movie.setName("Noah");
movie.setRating("86");
mItems.add(movie);
movie = new Movie();
movie.setName("Ironman");
movie.setRating("86");
mItems.add(movie);
movie = new Movie();
movie.setName("Ironman 2");
movie.setRating("86");
mItems.add(movie);
movie = new Movie();
movie.setName("Ironman 3");
movie.setRating("86");
mItems.add(movie);
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View v = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.recycler_view_card_item, viewGroup, false);
return new ViewHolder(v);
}
@Override
public void onBindViewHolder(ViewHolder viewHolder, int i) {
Movie movie = mItems.get(i);
viewHolder.tvMovie.setText(movie.getName());
viewHolder.tvMovieRating.setText(movie.getRating());
}
@Override
public int getItemCount() {
return mItems.size();
}
class ViewHolder extends RecyclerView.ViewHolder{
public TextView tvMovie;
public TextView tvMovieRating;
public ViewHolder(View itemView) {
super(itemView);
tvMovie = (TextView)itemView.findViewById(R.id.movieName);
tvMovieRating = (TextView)itemView.findViewById(R.id.movieRating);
}
}
}