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Implement search using RxJava
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| public class RxSearchObservable { | |
| public static Observable<String> fromView(SearchView searchView) { | |
| final PublishSubject<String> subject = PublishSubject.create(); | |
| searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() { | |
| @Override | |
| public boolean onQueryTextSubmit(String s) { | |
| subject.onComplete(); | |
| return true; | |
| } | |
| @Override | |
| public boolean onQueryTextChange(String text) { | |
| subject.onNext(text); | |
| return true; | |
| } | |
| }); | |
| return subject; | |
| } | |
| } |
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| RxSearchObservable.fromView(searchView) | |
| .debounce(300, TimeUnit.MILLISECONDS) | |
| .filter(new Predicate<String>() { | |
| @Override | |
| public boolean test(String text) throws Exception { | |
| if (text.isEmpty()) { | |
| return false; | |
| } else { | |
| return true; | |
| } | |
| } | |
| }) | |
| .distinctUntilChanged() | |
| .switchMap(new Function<String, ObservableSource<String>>() { | |
| @Override | |
| public ObservableSource<String> apply(String query) throws Exception { | |
| return dataFromNetwork(query); | |
| } | |
| }) | |
| .subscribeOn(Schedulers.io()) | |
| .observeOn(AndroidSchedulers.mainThread()) | |
| .subscribe(new Consumer<String>() { | |
| @Override | |
| public void accept(String result) throws Exception { | |
| textViewResult.setText(result); | |
| } | |
| }); |
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