Taking Glance at RxJava 2.0 shaunkawano

Taking Glance at RxJava 2.0 • Differences between 1.x and 2.x? • Schedule for RxJava 2.0 Release • Up-To-Date with RxJava 2.0 • Conclusion (Android-Focused, no sample code or live coding)

RxJava 2.0 • Following Reactive Streams Specification
 Goal : asynchronous streams of data with non-blocking back pressure
 Scope : achieving the above goal with minimal set of interfaces and methods • Following Java 8 Naming Convention • Some breaking changes, some backward compatibles http://www.reactive-streams.org https://github.com/ReactiveX/RxJava/wiki/Reactive-Streams

Differences between 1.x and 2.x? https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)

Differences between 1.x and 2.x? (1) • Package Renaming
 io.reactivex.rxjava:1.x.y -> io.reactivex.rxjava:rxjava:2.x.y • io.reactivex.Observable becomes NOT back pressured • io.reactivex.Flowable WILL BE back pressured https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#observable-and-flowable https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#maven-address-and-base-package

Differences between 1.x and 2.x? (2) • Action0 -> java.lang.Runnable • Action1 -> Consumer, Action2 -> BiConsumer • ActionN -> Consumer https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#actions

Differences between 1.x and 2.x? (3) • Func3~Func9 → Function3 ~ Function9 • FuncN → FuncN • Func1 → Predicate https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#functions

Differences between 1.x and 2.x? (4) .subscribe() method no longer returns Subscription rx.Subscription → io.reactivex.Disposable https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#subscriber

AsyncSubscriber subscriber = new AsyncSubscriber() { @Override public void onStart() { request(Long.MAX_VALUE); } @Override public void onNext(Integer t) { System.out.println(t); } @Overrides public void onError(Throwable t) { t.printStackTrace(); } @Override public void onComplete() { System.out.println("Done"); } }; Flowable.range(1, 10).delay(1, TimeUnit.SECONDS).subscribe(subscriber); subscriber.dispose(); https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#subscriber

AsyncSubscriber subscriber = new AsyncSubscriber() { @Override public void onStart() { request(Long.MAX_VALUE); } @Override public void onNext(Integer t) { System.out.println(t); } @Overrides public void onError(Throwable t) { t.printStackTrace(); } @Override public void onComplete() { System.out.println("Done"); } }; Flowable.range(1, 10).delay(1, TimeUnit.SECONDS).subscribe(subscriber); subscriber.dispose(); https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0-(draft)#subscriber

And more, and more.

Schedule for Rx Java 2.0 Release

Schedule for Rx Java 2.0 Release • In the next 2 weeks: 1st developer preview 
 (Not stable for production yet) • 3 ~ 4 more preview releases and, • Release: Middle of October http://fragmentedpodcast.com/episodes/053-jake-wharton-on-rxjava-2

Up-To-Date with RxJava 2.0

Up-To-Date with RxJava 2.0 • Check out RxJava GitHub Repository
 - Wiki
 - 2.x Branch • Fragmented Podcast 053: Jake Wharton on RxJava (2) • Droidcon NYC 2016 (Paid Live Stream) http://fragmentedpodcast.com/episodes/053-jake-wharton-on-rxjava-2 http://droidcon.nyc

Can We Start Using It NOW?

Retrofit2 RxJava2 Adapter https://github.com/JakeWharton/retrofit2-rxjava2-adapter

Available types: • Observable, Observable>, and Observable> where T is the body type. • Flowable, Flowable> and Flowable> where T is the body type. • Single, Single>, and Single> where T is the body type. Retrofit2 RxJava2 Adapter https://github.com/JakeWharton/retrofit2-rxjava2-adapter

Conclusion

Conclusion Let’s get ready for RxJava 2.0 and develop Android apps easier and happier!

Taking Glance at RxJava 2.0 shaunkawano fin.