private final CompositeDisposable disposables = new CompositeDisposable();// adding an Observable to the disposabledisposables.add(sampleObservable() .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()) .subscribeWith(new DisposableObserver<String>() { @Override public void onComplete() { } @Override public void onError(Throwable e) { } @Override public void onNext(String value) { } })); static Observable<String> sampleObservable() { return Observable.defer(new Callable<ObservableSource<? extends String>>() { @Override public ObservableSource<? extends String> call() throws Exception { // Do some long running operation SystemClock.sleep(2000); return Observable.just("one", "two", "three", "four", "five"); } }); }// Using clear will clear all, but can accept new disposabledisposables.clear(); // Using dispose will clear all and set isDisposed = true, so it will not accept any new disposabledisposables.dispose();我创建了一个示例项目来演示RxJava2的用法。在这里您可以找到示例项目-RxJava2-Android-
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