DMCA#21: reactive-programming
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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.
DMCA#21: reactive-programming
- 1. Reactive Programming Florent Pillet DMCA Meetup - Sophia Antipolis, Feb 21st 2018
- 3. Programming with streams of asynchronous data
- 4. “It's just a callback” Krunoslav Zaher, author of RxSwift
- 5. 5 stages to the Zen of Rx ! Learning curve " Mind bending # Frustration $ Enlightenment % Code clarity & predictability
- 6. Asynchronous data • Network request • Current location • Loading data from a database • Getting images from a cache • etc…
- 7. Asynchronous data • User interaction • Notification • Network up / down • State changes • etc…
- 8. Observable sequences Some work you start
- 9. Observable sequences Infinite sequence you subscribe to (i.e. notifications)
- 10. Observable sequences Some work that fails
- 11. Observable sequences Sources most often start work when you subscribe
- 12. Observable sequences Sources most often start work when you subscribe
- 13. Observable sequences Sources most often start work when you subscribe
- 14. Observable sequences Sources most often start work when you subscribe
- 15. Cancellation Disposables let you cancel a subscription at any time
- 16. Cancellation Disposables let you cancel a subscription at any time
- 17. Cancellation Disposables let you cancel a subscription at any time
- 21. Easy timers
- 22. Easy timers
- 23. Easy timers
- 24. Decoupling producer and consumer
- 25. Decoupling producer and consumer
- 26. Decoupling producer and consumer
- 27. Decoupling producer and consumer
- 28. Decoupling producer and consumer
- 36. Mock sources of data for tests
- 37. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 38. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 39. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 40. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 41. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 42. Replace state with observables Inspired by Shai Mishali - @freak4pc
- 43. Manage threading
- 44. Manage threading
- 45. Manage threading
- 46. Manage threading
- 47. Rx powah !
- 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 Many frameworks, same concepts, similar operators: • RxSwift, ReactiveSwift • RxJava, RxKotlin • RxJS • ... and many more at reactivex.io
- 50. Thank you Reactive Programming with RxSwift https://raywenderlich.com Florent Pillet @fpillet