Android-->RxJava2更新体验

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截止日前最新版2017-3-15:
RxJava

compile ‘io.reactivex:rxjava:1.2.7’
compile ‘io.reactivex:rxandroid:1.2.1’

RxJava2

compile “io.reactivex.rxjava2:rxjava:2.0.7”
compile “io.reactivex.rxjava2:rxandroid:2.0.1”

1:create操作改变
Rxjava

CompositeSubscription compositeSubscription = new CompositeSubscription();Observable<String> observable = Observable.create(new Observable.OnSubscribe<String>() {    @Override    public void call(Subscriber<? super String> subscriber) {        subscriber.onNext("1");        subscriber.onNext("2");        //e.onComplete();        subscriber.onError(new NullPointerException());    }});Subscription subscribe = observable.subscribe(new Observer<String>() {    @Override    public void onCompleted() {    }    @Override    public void onError(Throwable e) {    }    @Override    public void onNext(String s) {    }});//取消订阅subscribe.unsubscribe();//或者compositeSubscription.add(subscribe);compositeSubscription.unsubscribe();

RxJava2

final CompositeDisposable compositeDisposable = new CompositeDisposable();Observable<String> observable = Observable.create(new ObservableOnSubscribe<String>() {    @Override    public void subscribe(ObservableEmitter<String> e) throws Exception {        e.onNext("1");        e.onNext("2");        //e.onComplete();        e.onError(new NullPointerException());    }});//subscribe方法返回void类型observable.subscribe(new Observer<String>() {    @Override    public void onSubscribe(Disposable d) {        compositeDisposable.add(d);    }    @Override    public void onNext(String s) {    }    @Override    public void onError(Throwable e) {    }    @Override    public void onComplete() {    }});compositeDisposable.dispose();

2:新增Flowable

Flowable<String> stringFlowable = Flowable       .create(new FlowableOnSubscribe<String>() {           @Override           public void subscribe(FlowableEmitter<String> e) throws Exception {               e.onNext("1");               e.onNext("2");               e.onComplete();               //e.onError(new NullPointerException());           }       }, BackpressureStrategy.ERROR)       .subscribeOn(Schedulers.newThread())       .observeOn(Schedulers.newThread());stringFlowable.subscribe(new Subscriber<String>() {   @Override   public void onSubscribe(Subscription s) {       //s.request(1);       // 参数表示接受多少次onNext回调.       // 当onNext回调次数和这个参数不一致时, 则通过BackpressureStrategy.ERROR参数决定之后的处理       // 不调用等价于request(0).       // 典型的错误MissingBackpressureException异常       // 注意: Flowable请尽量在异步线程使用,否则很容易出现MissingBackpressureException异常   }   @Override   public void onNext(String s) {   }   @Override   public void onError(Throwable t) {   }   @Override   public void onComplete() {   }});

更详细的解释移步至:http://www.jianshu.com/p/9b1304435564

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