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Introdução a streams em Dart/Flutter

Avatar for Luke Silva Luke Silva
October 31, 2019
Programming
29
0

Introdução a streams em Dart/Flutter

Avatar for Luke Silva

Luke Silva

October 31, 2019

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Transcript

  1. Introdução a Streams em Dart / Flutter

  2. Prazer ! @lukesilva_dev github.com/lukelima dev.to/lukesilva_dev

  3. None

  4. Programação assíncrona

  5. future

  6. São como caixas que, após abertas, podem conter um valor

    ou um erro

  7. São como caixas que, após abertas, podem conter um valor

    ou um erro Uncompleted Completed with data Completed with error

  8. https://gist.github.com/lukelima/3bc1e3edcaa44f2c8bd10628571358d6

  9. None

  10. https://gist.github.com/lukelima/b35affd44b1616d217b04ea330287015

  11. None

  12. FutureBuilder()

  13. https://gist.github.com/lukelima/b35affd44b1616d217b04ea330287015

  14. streams

  15. Streams fornecem uma forma de receber uma sequência de eventos

  16. sink stream StreamController

  17. https://gist.github.com/lukelima/67480dc752cc87c909c23e82e3e0cd24

  18. https://gist.github.com/lukelima/67480dc752cc87c909c23e82e3e0cd24

  19. None

  20. https://dart.dev/tutorials/language/streams

  21. None

  22. https://gist.github.com/lukelima/67480dc752cc87c909c23e82e3e0cd24

  23. Dois tipos de streams single- subscription broadcast

  24. StreamBuilder

  25. Widget que se reconstrói baseando-se no último snapshot de interação

    com uma stream

  26. https://gist.github.com/lukelima/d464fdd372e4bedc49f6f6e06f8c02af

  27. None

  28. initialData snapshot snapshot.hasData snapshot.connectionState stream snapshot.hasError

  29. None
  30. None

  31. https://www.youtube.com/watch?v=nQBpOIHE4eE&t=377s

  32. https://www.youtube.com/watch?v=MkKEWHfy99Y

  33. Obrigado ! @lukesilva_dev github.com/lukelima dev.to/lukesilva_dev

  34. [email protected]

  35. None