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

AYB14 - offline first <3

Avatar for Ola Gasidlo Ola Gasidlo
October 17, 2014
Programming
2
1.2k

AYB14 - offline first <3

not including notes

Avatar for Ola Gasidlo

Ola Gasidlo

October 17, 2014
Tweet

More Decks by Ola Gasidlo

See All by Ola Gasidlo
AYB14 - offline first <3
Avatar for Ola Gasidlo zoepage
0
140
Say hello to offline first!
Avatar for Ola Gasidlo zoepage
4
2.3k
Coding the dream
Avatar for Ola Gasidlo zoepage
1
1.1k
offline first
Avatar for Ola Gasidlo zoepage
1
110

Other Decks in Programming

See All in Programming
VisionFrameworkで実現する - プライバシーに配慮した「顔ぼかし」機能 / Face blurring with Vision Framework
Avatar for Tomohiro Imaizumi imaizume
0
190
Current States of Java Web Frameworks at JCConf 2025
Avatar for Naoki Kishida kishida
0
510
階層構造を表現するデータ構造とリファクタリング 〜1年で10倍成長したプロダクトの変化と課題〜
Avatar for yuhi yuhisatoxxx
3
820
TokyoR#119 bignners session2 Visualization
Avatar for yu_sekiya kotatyamtema
0
130
AIで開発生産性を上げる個人とチームの取り組み
Avatar for TaniiGo taniigo
0
130
Reduxモダナイズ　〜コードのモダン化を通して、将来のライブラリ移行に備える〜
Avatar for pvcresin pvcresin
2
630
Чего вы не знали о строках в Python – Василий Рябов, PythoNN
Avatar for Sobolev Nikita sobolevn
0
150
Web技術を最大限活用してRAW画像を現像する / Developing RAW Images on the Web
Avatar for TOMIKAWA Sotaro ssssota
2
1k
メモリ不足との戦い〜大量データを扱うアプリでの実践例〜
Avatar for ああうえ kwzr
1
660
ててべんす独演会〜Flowの全てを語ります〜
Avatar for てべすてん tbsten
1
220
(Extension DC 2025) Actor境界を越える技術
Avatar for Himeshi teamhimeh
1
120
2分台で1500examples完走！爆速CIを支える環境構築術 - Kaigi on Rails 2025
Avatar for Hayato OKUMOTO falcon8823
3
2.5k

Featured

See All Featured
Automating Front-end Workflow
Avatar for Addy Osmani addyosmani
1371
200k
Writing Fast Ruby
Avatar for Erik Berlin sferik
629
62k
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
PRO
23
1.5k
A Tale of Four Properties
Avatar for Chris Coyier chriscoyier
160
23k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
330
21k
How GitHub (no longer) Works
Avatar for Zach Holman holman
315
140k
How To Stay Up To Date on Web Technology
Avatar for Chris Coyier chriscoyier
791
250k
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
28
4k
Docker and Python
Avatar for Tania Allard trallard
46
3.6k
GraphQLの誤解/rethinking-graphql
Avatar for sonatard sonatard
72
11k
Raft: Consensus for Rubyists
Avatar for Patrick Van Stee vanstee
139
7.1k
Gamification - CAS2011
Avatar for David Bonilla davidbonilla
81
5.5k

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! ! !