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DMCA#21: reactive-programming
The document discusses reactive programming, focusing on the use of asynchronous data streams and observable sequences, as presented at a meetup led by Florent Pillet. It highlights the learning curve, key concepts such as cancellation disposables, and the importance of decoupling producers from consumers. Additionally, it emphasizes the adaptability of these concepts across various frameworks like RxSwift, RxJava, and others.
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DMCA#21: reactive-programming
- 1. Reactive Programming Florent Pillet DMCAMeetup - Sophia Antipolis, Feb 21st 2018
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- 3. Programming with streams ofasynchronous data
- 4. “It's just acallback” Krunoslav Zaher, author of RxSwift
- 5. 5 stages tothe Zen of Rx ! Learning curve " Mind bending # Frustration $ Enlightenment % Code clarity & predictability
- 6. Asynchronous data • Networkrequest • Current location • Loading data from a database • Getting images from a cache • etc…
- 7. Asynchronous data • Userinteraction • Notification • Network up / down • State changes • etc…
- 8. Observable sequences Some workyou start
- 9. Observable sequences Infinite sequenceyou subscribe to (i.e. notifications)
- 10. Observable sequences Some workthat fails
- 11. Observable sequences Sources mostoften start work when you subscribe
- 12. Observable sequences Sources mostoften start work when you subscribe
- 13. Observable sequences Sources mostoften start work when you subscribe
- 14. Observable sequences Sources mostoften start work when you subscribe
- 15. Cancellation Disposables let youcancel a subscription at any time
- 16. Cancellation Disposables let youcancel a subscription at any time
- 17. Cancellation Disposables let youcancel a subscription at any time
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- 24. Decoupling producer andconsumer
- 25. Decoupling producer andconsumer
- 26. Decoupling producer andconsumer
- 27. Decoupling producer andconsumer
- 28. Decoupling producer andconsumer
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- 36. Mock sources ofdata for tests
- 37. Replace state withobservables Inspired by Shai Mishali - @freak4pc
- 38. Replace state withobservables Inspired by Shai Mishali - @freak4pc
- 39. Replace state withobservables Inspired by Shai Mishali - @freak4pc
- 40. Replace state withobservables Inspired by Shai Mishali - @freak4pc
- 41. Replace state withobservables Inspired by Shai Mishali - @freak4pc
- 42. Replace state withobservables Inspired by Shai Mishali - @freak4pc
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- 48. Rx Take away •Powerful abstraction • Steep learning curve • Starting with Futures & Promises can help • Use sparingly at first • Teams should progress in lockstep
- 49. Rx Take away Manyframeworks, same concepts, similar operators: • RxSwift, ReactiveSwift • RxJava, RxKotlin • RxJS • ... and many more at reactivex.io
- 50. Thank you Reactive Programming withRxSwift https://raywenderlich.com Florent Pillet @fpillet