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

Offline mode in Android apps

Avatar for Jerzy Chalupski Jerzy Chalupski
December 07, 2013
Programming
4
1.3k

Offline mode in Android apps

The talk I gave on KrakDroid 2013 conference.
Avatar for Jerzy Chalupski

Jerzy Chalupski

December 07, 2013
Tweet

More Decks by Jerzy Chalupski

See All by Jerzy Chalupski
Rx
Avatar for Jerzy Chalupski chalup
19
740
ProGuard
Avatar for Jerzy Chalupski chalup
10
1k
Data model on Android
Avatar for Jerzy Chalupski chalup
9
3.8k

Other Decks in Programming

See All in Programming
LINEヤフー データグループ紹介
Avatar for LINEヤフー株式会社 採用情報 lycorp_recruit_jp
0
760
Datadog RUM 本番導入までの道
Avatar for Shintaro Matsumoto shinter61
1
310
社内での開発コミュニティ活動とモジュラーモノリス標準化事例のご紹介/xPalette and Introduction of Modular monolith standardization
Avatar for Mitsuharu Maruyama m4maruyama
1
130
すべてのコンテキストを、 ユーザー価値に変える
Avatar for Michiru Kato applism118
2
450
Haskell でアルゴリズムを抽象化する / 関数型言語で競技プログラミング
Avatar for Naoya Ito naoya
17
4.8k
git worktree × Claude Code × MCP ～生成AI時代の並列開発フロー～
Avatar for hisuzuya hisuzuya
0
160
AIネイティブなプロダクトをGolangで挑む取り組み
Avatar for nmatsumoto4 nmatsumoto4
0
120
複数アプリケーションを育てていくための共通化戦略
Avatar for irof irof
10
4k
なぜ適用するか、移行して理解するClean Architecture 〜構造を超えて設計を継承する〜 / Why Apply, Migrate and Understand Clean Architecture - Inherit Design Beyond Structure
Avatar for shiro seike seike460
PRO
1
280
つよそうにふるまい、つよい成果を出すのなら、つよいのかもしれない
Avatar for irof irof
1
300
セキュリティマネジャー廃止とクラウドネイティブ型サンドボックス活用
Avatar for Kenji Kazumura kazumura
1
190
設計やレビューに悩んでいるPHPerに贈る、クリーンなオブジェクト設計の指針たち
Avatar for panda_program panda_program
3
280

Featured

See All Featured
GraphQLとの向き合い方2022年版
Avatar for Yosuke Kurami quramy
46
14k
Typedesign – Prime Four
Avatar for Hannes Fritz hannesfritz
42
2.7k
Building Adaptive Systems
Avatar for Chris Keathley keathley
43
2.6k
Keith and Marios Guide to Fast Websites
Avatar for Keith Pitt keithpitt
411
22k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
53
11k
Documentation Writing (for coders)
Avatar for Carmen Chung carmenintech
71
4.9k
Done Done
Avatar for chrislema chrislema
184
16k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
92
6.1k
Facilitating Awesome Meetings
Avatar for Lara Hogan lara
54
6.4k
Art, The Web, and Tiny UX
Avatar for Lynn Fisher lynnandtonic
299
21k
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
367
19k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
53
2.8k

Transcript

  1. ! Jerzy Chalupski chalup, futuresimple " [email protected] Offline mode in

    Android apps Base CRM http://porcupineprogrammer.blogspot.com/ #

  2. WHAT WHY HOW

  3. WHAT is offline mode?

  4. What happens when you send and email from Gmail app?

  5. What happens if your connection is down?

  6. What happens if your connection is down?

  7. None

  8. RECAP Offline mode = fully functional app without connection

  9. WHY should I bother?

  10. Life is too short to worry about the internet connection.

  11. I had to watch the animated circle for 2 seconds.

  12. They want to post the photos of their dinner on

    Instagram! People want to DO THINGS!

  13. SLOOOOOOW TIMEOUTS RETRYS NETWORK ERRORS HANDLING LIT SCREEN DATA PLAN

    USAGE

  14. ˑˑˑˑ˒ “Unbearably sloooooow.”

  15. ˑˑˑˑ˒ “Drains my battery.”

  16. ˑˑˑˑ˒ “Crashes all the time.”

  17. None

  18. RECAP BETTER UX

  19. RECAP BETTER UX BETTER BATTERY LIFE

  20. RECAP BETTER UX BETTER BATTERY LIFE BETTER CODE

  21. RECAP BETTER UX BETTER BATTERY LIFE BETTER CODE

  22. HOW do I implement it?

  23. UI Http Client

  24. UI Http Client SLOW FLAKY

  25. UI Http Client SLOW FLAKY CACHE ALL THE THINGS!

  26. Http Client SLOW FLAKY Storage FAST RELIABLE UI

  27. Storage Http Client SLOW FLAKY UI FAST RELIABLE GET

  28. Http Client SLOW FLAKY Storage FAST RELIABLE UI GET POST

  29. Sync Service Http Client UI Storage GET POST

  30. AbstractThreadedSyncAdapter Http Client UI ContentProvider SQLite DB CursorLoader

  31. Sync Service Http Client UI Storage

  32. Sync Service Http Client UI Storage

  33. Sync Service Http Client UI Storage

  34. BACKEND MOBILE

  35. BACKEND MOBILE

  36. BACKEND MOBILE

  37. BACKEND MOBILE

  38. BACKEND MOBILE

  39. BACKEND MOBILE

  40. BACKEND MOBILE

  41. BACKEND MOBILE

  42. BACKEND MOBILE

  43. BACKEND MOBILE

  44. BACKEND MOBILE

  45. BACKEND MOBILE

  46. BACKEND MOBILE 250k items?

  47. BACKEND MOBILE ?

  48. BACKEND MOBILE

  49. BACKEND MOBILE

  50. BACKEND MOBILE OFFLINE MODE = DATA MIGRATIONS

  51. As pleasant as data migrations with SQLiteOpenHelper.

  52. BACKEND MOBILE 1 2 1 2

  53. BACKEND MOBILE 1 2 1 2 3

  54. BACKEND MOBILE 1 2 1 2 3 3

  55. BACKEND MOBILE 1 2 1 2 3 3 3

  56. BACKEND MOBILE 1 2 1 2 3 3 3

  57. BACKEND MOBILE 1A 2B 1 2

  58. BACKEND MOBILE 1A 2B 1 2 3

  59. BACKEND MOBILE 1A 2B 1 2 3 C

  60. BACKEND MOBILE 1A 2B 1 2 3 C C

  61. BACKEND MOBILE 1A 2B 1 2 3 C 4C C

  62. BACKEND MOBILE 1A 2B 1 2 3 C 4 3

    4C

  63. BACKEND MOBILE 1A 2B 1 2 3 4 3 4C

  64. BACKEND MOBILE 1A 2B 1 2 3 4 3D 4C

  65. BACKEND MOBILE 1A 2B 1 2 2 3C 3

  66. BACKEND MOBILE 1A 2B 1 2 2 2 3C 3

  67. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 ?

  68. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D

  69. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D

  70. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D

  71. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D D

  72. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D 4D D

  73. BACKEND MOBILE 1A 2B 1 2 2 D 2 3C

    3 D 4D 4D

  74. 4D BACKEND MOBILE 1A 2B 1 2 2 2 3C

    3 D 4

  75. 4D BACKEND MOBILE 1A 2B 1 2 2 2 3C

    3 4 4

  76. 4D BACKEND MOBILE 1A 2B 1 2 2 2 3C

    3 4 4

  77. “My friend, you’re entering a world of pain” WALTER SOBCHAK

  78. UUID

  79. RECAP OFFLINE MODE = MIGRATIONS

  80. RECAP UUID OR WORLD OF PAIN OFFLINE MODE = MIGRATIONS

  81. Sync Service Http Client UI Storage

  82. Sync Service Http Client UI Storage

  83. “For every complex problem there is an answer that is

    clear, simple and wrong.” HENRY LOUIS MENCKEN

  84. Sync Service Http Client UI Storage CONFLICTS

  85. Sync Service Http Client UI Storage CONFLICTS DUPLICATES

  86. Sync Service Http Client UI Storage CONFLICTS HANDLING LARGE DATA

    SETS DUPLICATES

  87. Sync Service Http Client UI Storage CONFLICTS HANDLING LARGE DATA

    SETS DUPLICATES BATTERY USAGE
  88. None

  89. !futuresimple chalup

  90. ?

  91. Thanks.