Upgrade to Pro — share decks privately, control downloads, hide ads and more …

AYB14 - offline first <3

Ola Gasidlo
October 17, 2014
Programming
2
1.1k

AYB14 - offline first <3

not including notes

Ola Gasidlo

October 17, 2014
Tweet

More Decks by Ola Gasidlo

See All by Ola Gasidlo
AYB14 - offline first <3
zoepage
0
110
Say hello to offline first!
zoepage
4
2.2k
Coding the dream
zoepage
1
1.1k
offline first
zoepage
1
88

Other Decks in Programming

See All in Programming
카카오페이는 어떻게 수천만 결제를 처리할까? 우아한 결제 분산락 노하우
kakao
PRO
0
110
Functional Event Sourcing using Sekiban
tomohisa
0
100
タクシーアプリ『GO』のリアルタイムデータ分析基盤における機械学習サービスの活用
mot_techtalk
6
1.5k
Click-free releases & the making of a CLI app
oheyadam
2
120
リアーキテクチャxDDD 1年間の取り組みと進化
hsawaji
1
220
Less waste, more joy, and a lot more green: How Quarkus makes Java better
hollycummins
0
100
初めてDefinitelyTypedにPRを出した話
syumai
0
420
as（型アサーション）を書く前にできること
marokanatani
10
2.7k
イベント駆動で成長して委員会
happymana
1
340
TypeScript Graph でコードレビューの心理的障壁を乗り越える
ysk8hori
3
1.2k
どうして僕の作ったクラスが手続き型と言われなきゃいけないんですか
akikogoto
1
120
カンファレンスの「アレ」Webでなんとかしませんか？ / Conference “thing” Why don't you do something about it on the Web?
dero1to
1
110

Featured

See All Featured
Fashionably flexible responsive web design (full day workshop)
malarkey
405
65k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
16
2.1k
Practical Orchestrator
shlominoach
186
10k
Code Reviewing Like a Champion
maltzj
520
39k
Build The Right Thing And Hit Your Dates
maggiecrowley
33
2.4k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
33
1.9k
Designing Experiences People Love
moore
138
23k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
26
1.4k
What's in a price? How to price your products and services
michaelherold
243
12k
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
506
140k
4 Signs Your Business is Dying
shpigford
180
21k

Transcript

  1. ! Say Hello To Offline First How to build applications

    for the real world we <3 AYB

  2. Ola Gasidlo - Javascript for +10 years, full stack -

    Core Member of Hood.ie - Organizer of OpenTechSchool Dortmund ! twitter@misprintedtype github@zoepage

  3. Agenda! 1. What & why? 2. Problems 3. New approach

    4. Implementation @misprintedtype

  4. What & why? @misprintedtype

  5. The internet turned 25 this year! @misprintedtype

  6. We grew up. @misprintedtype

  7. @misprintedtype

  8. amount of mobile-only web users is out of reach @misprintedtype

  9. Tell me... @misprintedtype

  10. @misprintedtype

  11. None

  12. “WE CAN’T KEEP BUILDING APPS WITH THE DESKTOP MINDSET OF

    PERMANENT, FAST CONNECTIVITY, WHERE A TEMPORARY DISCONNECTION OR SLOW SERVICE IS REGARDED AS A PROBLEM AND COMMUNICATED AS AN ERROR.” @misprintedtype
  13. None

  14. Problems @misprintedtype

  15. @misprintedtype

  16. @misprintedtype

  17. @misprintedtype

  18. offline > error handling @misprintedtype

  19. inform user @misprintedtype

  20. @misprintedtype

  21. build trust @misprintedtype

  22. http://branch.com/b/redesigning-the-save-symbol-let-s-do-this

  23. http://branch.com/b/redesigning-the-save-symbol-let-s-do-this

  24. organise data @misprintedtype

  25. @misprintedtype

  26. decide @misprintedtype

  27. None
  28. None

  29. @misprintedtype

  30. @misprintedtype

  31. @misprintedtype

  32. @misprintedtype

  33. @misprintedtype

  34. None
  35. None
  36. None

  37. New Approaches @misprintedtype

  38. ! Rethink! (but how?) @misprintedtype

  39. http://hood.ie

  40. None
  41. None
  42. None
  43. None
  44. None
  45. None
  46. None
  47. None

  48. Implementation! @misprintedtype

  49. files data

  50. files data

  51. Manifest @misprintedtype

  52. Manifest ++ offline app usage ++ fast loading ++ full

    experience for users @misprintedtype

  53. Manifest <html manifest="example.appcache">
 ...
 </html>! ! ! ! IE8+ /

    FF 3.5+ / Chrome 4.0+ / Safari 4.0+ / Opera 10.5+ / iPhone 2.0+ / Android 2.0+ @misprintedtype

  54. Manifest AddType text/cache-manifest .appcache ! @misprintedtype

  55. Manifest CACHE MANIFEST # 2013-11-13:v3 ! CACHE index.html ! NETWORK:

    * 
 FALLBACK: /online.html /offline.html ! @misprintedtype

  56. App Cache chrome://appcache-internals/ ! @misprintedtype

  57. App Cache is a douchebag! ! http://alistapart.com/article/application-cache-is-a-douchebag

  58. App Manifest ! 1. Files always come from the cache

    (also if you are online!) @misprintedtype

  59. App Manifest ! 2. App Cache only updates if manifest

    changed @misprintedtype

  60. App Manifest ! 3. App Cache is an additional cache

    @misprintedtype

  61. App Manifest ! 4. Never change the manifest URL @misprintedtype

  62. App Manifest ! 5. Non-cached resources will not load @misprintedtype

  63. ! App Cache nanny ! ! https://www.npmjs.org/package/appcache-nanny @misprintedtype

  64. Service Worker ! - Additional cache - Deals with all

    requests - offline first, push notifications, background sync, performance @misprintedtype

  65. Service Worker ! ! ! https://github.com/slightlyoff/ServiceWorker https://jakearchibald.github.io/isserviceworkerready/ ! https://www.youtube.com/watch?v=SmZ9XcTpMS4&list=PL37ZVnwpeshGPw2RfUGNQbPsU_WGpi05J @misprintedtype

  66. files data

  67. files data

  68. ! Do not harm humans!! (first law of robotics) @misprintedtype

  69. ! Do not lose data!! (first law of offline first)

    @misprintedtype

  70. ! ! ! ! PouchDB + CouchDB = <3 !

    @misprintedtype
  71. None
  72. None

  73. CouchDB ! @misprintedtype

  74. @misprintedtype Ruth’s data
 (share with John) John’s data Ruth’s partial

    data (replicated)

  75. PouchDB ! @misprintedtype

  76. PouchDB ! @misprintedtype

  77. PouchDB ! browser storage limitation confirm Firefox IndexedDB unlimited y

    Chrome / Opera / Android 4.4+ IndexedDB % of storage y IE 10+ SQLite 250MB n Mobile Safari WebSQL 50MB n Sarafi WebSQL 5MB -> 500MB y Android 4.3 and lower IndexedDB 200MB n
  78. None

  79. ! ! hoodie <3 you! @misprintedtype / @hoodiehq! ! !