Reactive Programming with RxJava

Transcript

1. Reactive programming with RxJava Piotr Krystyniak
2. RxJava - Functional programming - Reactive programming - Observer pattern
3. Functional programming - Immutable data - Stateless - No side effects - Declarative
4. Reactive programming - Everything is a stream - Stream composition
5. Observer pattern
6. Observable example
7. Observable example
8. Observable example ...and many other ways to create an Observable
9. Observer example
10. Observer example
11. Lambdas == ==
12. Observer example
13. Operators - Combining - merge, concat, zip - Filtering - filter, distinct - Transforming - map, scan
14. Map operator
15. Concat operator
16. Zip operator
17. Schedulers Schedulers.io() Schedulers.computation() AndroidSchedulers.mainThread() Schedulers.immediate() Schedulers.newThread() ..etc
18. Android example
19. Android example
20. Android example
21. Android example - widget
22. Android example - widget
23. Android example - widget
24. Android example - widget
25. Android example - widget
26. Android example - widget
27. Android lifecycle
28. RxAndroid - RxLifecycle - Lifecycle handling APIs for Android apps using RxJava - RxBinding - RxJava binding APIs for Android's UI widgets. - SqlBrite - A lightweight wrapper around SQLiteOpenHelper and ContentResolver which introduces reactive stream semantics to queries. - Android-ReactiveLocation - Library that wraps location play services API boilerplate with a reactive friendly API. - rx-preferences - Reactive SharedPreferences for Android
29. Error Handling - onErrorResumeNext() - retryWhen() - error event cancels subscription!
30. Tests - TestObserver
31. Tests - injected schedulers Production Tests
32. Thank you! Questions? piotr.krystyniak@appunite.com @krpiotrek