実録LINEスタンププレミアム開発の現場 / Development for LINE Sticker Premium

2020/5/22に行われたLINE Developer Meetup #63 での登壇資料です
https://line.connpass.com/event/174730/

Transcript

1. ࣮࿥
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   ϓϨϛΞϜ։ൃͷݱ৔ LINE Fukuoka ։ൃ1ࣨ ஛Լ लଇ 2020/05/22 LINE Developer Meetup #63
2. ࣗݾ঺հ • LINE Fukuoka - LINE client νʔϜ Engineering Manager • @taketin
3. ΞδΣϯμ • ஍ํϒϥϯνͰ͋Δ LINE Fukuoka ͷ؆୯ͳྺ࢙ͱɺͲͷ༷ʹ LINE ৽ػೳ։ൃΛߦ͍ͬͯΔ͔ • LINE ৽ػೳͷ։ൃϑϩʔͱΫϥΠΞϯτͷ։ൃϓϩηεʹ͍ͭͯ • αϒεΫϦϓγϣϯαʔϏε։ൃͰಘͨ஌ݟ • ՝୊ʹ͍ͭͯ
4. ஍ํϒϥϯνͰ͋Δ LINE Fukuoka ͷ ؆୯ͳྺ࢙ͱɺͲͷ༷ʹ LINE ৽ػೳ ։ൃΛߦ͍ͬͯΔ͔
5. • 2009 - NHST Japanגࣜձࣾ ෱Ԭ ηϯλʔ ઃཱ • 2011 - NHN Service Technology Corp. ʹ঎߸มߋ
6. • 2009 - NHST Japanגࣜձࣾ ෱Ԭ ηϯλʔ ઃཱ • 2011 - LINEגࣜձࣾͷ100ˋࢠձ ࣾͱͯ͠ɺLINE FukuokaΛઃཱɻ • 2011೥6݄23೔ LINE ϦϦʔε • 2013 - LINE Fukuoka ʹ঎߸มߋ • 2014 - ։ൃ૊৫্ཱ͕ͪΓ
7. 2014 • ࣾһ਺ 400 ऑ • ΤϯδχΞ਺ਓ • ։ൃؔ༩αʔϏε਺1~2
8. ݱࡏ • ࣾһ਺ 1000 ௒ • ΤϯδχΞ 100ਓऑ • ։ൃؔ༩αʔϏε਺8
9. 2015~ Shop team
11. SHOP part
12. SHOP part • 2015 - αʔό։ൃ։࢝ • 2017 - ΫϥΠΞϯτ։ൃ։࢝
13. SHOP part • Client νʔϜࠃ੶ • ೔ຊɾؖࠃɾதࠃɾ୆࿷ɾυΠπ • ίϛϡχέʔγϣϯݴޠ • ೔ຊޠɾӳޠ
14. SHOP part 2017 - 4ਓ ↓ 2019 - 13ਓ
15. SHOP part 2018 - LINE ֆจࣈ 2019 - ΧελϜελϯϓ - LINE ελϯϓ ϓϨϛΞϜ 2020 - ϝοηʔδελϯϓ
16. LINE ৽ػೳͷ։ൃϑϩʔͱ ΫϥΠΞϯτͷ։ൃϓϩηεʹ͍ͭͯ
17. LINE ৽ػೳͷ։ൃϑϩʔ
18. LINE ελϯϓ ϓϨϛΞϜ
20. Specification Prototyping Discussion the spec between a Planner and an Engineer.
21. Kick Off meeting Planner Engineer Data Scientist UIɾUX designer QA Project Manager
22. Implementation range Chat room Product detail page Setting page
23. Estimation - Planning Poker
24. Estimation - Planning Poker
25. Progress tracking JIRA Gantt chart
26. Development process Schedule change Sprint Review
27. QA phase Pre-QA 
 (Sanity check)
 2 weeks Main-QA 
 2 weeks
28. Release!
29. ΫϥΠΞϯτͷ։ൃϓϩηεʹ͍ͭͯ
30. KOREA/BUNDANG TAIWAN/TAIPEI TOKYO FUKUOKA
31. Source Code Kotlin 55.2%
 1,999,915 lines of code 194,298 commits Swift 69.6%
 2,018,070 lines of code 175,416 commits ※ 5্݄०ݱࡏ iOS Android
32. Branching strategy Master release/x.x.x Bugfix Merge Feature develop QA start Release AutoMerge by CI Guard with Feature flag if a big project
33. Branching strategy Master release/x.x.x Bugfix Merge Feature develop QA start Release AutoMerge by CI Guard with Feature flag if a big project
34. Branching strategy Master release/x.x.x Bugfix Merge Feature develop QA start Release Guard with Feature flag if a big project AutoMerge by CI
35. Branching strategy Master Release Guard with Feature flag if a big project If we are using Feature branch…
36. Branching strategy Master Release Guard with Feature flag if a big project If we are using Feature branch…
37. Branching strategy Master Release Guard with Feature flag if a big project • Merge costs can be eliminated. • Release timing can be controllable more easily. • Shares the halfway features to the other developers. • Decreasing readability. Cons Pros
38. Branching strategy https://speakerdeck.com/line_developers/flag-based-feature- management https://github.com/line/feature-flag-android
39. Branching strategy Master release/x.x.x Bugfix AutoMerge by CI Merge Feature develop QA start Release Guard with Feature flag if a big project
40. Branching strategy Master release/x.x.x Bugfix AutoMerge by CI Merge Feature develop QA start Release Guard with Feature flag if a big project
41. Conflict notification by LINE
42. Conflict notification by LINE
43. Review by the code owners
44. Branching strategy Master release/x.x.x Bugfix Merge Feature develop QA start Release AutoMerge by CI Guard with Feature flag if a big project
45. Branching strategy Master release/x.x.x Bugfix Merge Feature develop QA start Release AutoMerge by CI 2 weeks 2 weeks Guard with Feature flag if a big project
46. Release train Every 2 weeks
47. αϒεΫϦϓγϣϯαʔϏε։ൃͰ ಘͨ஌ݟ
48. Subscription service on multi platform iOS Android Web
49. #1 UpdateDate, BillingDate
50. #1 UpdateDate, BillingDate ɹiOS • 1 week • 1 month • 2 months • 3 months • 6 months • 1 year ɹAndroid • 1 week • 1 month • 3 months • 6 months • 1 year Subscription Period
51. #1 UpdateDate, BillingDate ߋ৽ • 11/30 • 12/30 • 1/30 • 2/28 ߪೖ 11/30
52. #1 UpdateDate, BillingDate ߋ৽ • 11/30 • 12/30 • 1/30 • 2/28 ੥ٻ • 12/1 • 12/31 • 1/31 • 3/1 ߪೖ 11/30
53. #1 UpdateDate, BillingDate ߋ৽ • 11/30 • 12/30 • 1/30 • 2/28 ੥ٻ • 12/1 • 12/31 • 1/31 • 3/1 ߪೖ 11/30
54. #1 UpdateDate, BillingDate ܾࡁର৅ظؒΛ໌ࣔ͢Δ
55. #2 Different platform between paying and using iOS Android
56. #2 Different platform between paying and using iOS Android
57. #2 Different platform between paying and using
58. #3 “Subscription Group” on iOS https://developer.apple.com/jp/app-store/subscriptions/
59. #3 “Subscription Group” on iOS άϨʔυ෼͚͞Ε͍ͯͯɺ ॏෳߪೖͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ • ϥΠτ
60. #3 “Subscription Group” on iOS άϨʔυ෼͚͞Ε͍ͯͯɺ ॏෳߪೖͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ • ϥΠτ ॏෳߪೖͰ͖Δ΋ͷ ʢ഑৴͞ΕΔ൪૊͕ҧ͏ͳͲʣ • νϟϯωϧ̍ • νϟϯωϧ̎ • νϟϯωϧ̏
61. #3 “Subscription Group” on iOS άϨʔυ෼͚͞Ε͍ͯͯɺ ॏෳߪೖͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ • ϥΠτ ॏෳߪೖͰ͖Δ΋ͷ ʢ഑৴͞ΕΔ൪૊͕ҧ͏ͳͲʣ • νϟϯωϧ̍ • νϟϯωϧ̎ • νϟϯωϧ̏ Subscription Groups
62. #3 “Subscription Group” on iOS άϨʔυ෼͚͞Ε͍ͯͯɺ ॏෳߪೖՄೳͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ • ϥΠτ Subscription Groups
63. #3 “Subscription Group” on iOS άϨʔυ෼͚͞Ε͍ͯͯɺ ॏෳߪೖͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ • ϥΠτ Guideline 3.1.2 - Business - Payments - Subscriptions We noticed that the different subscription products of your auto-renewable subscriptions were created as separate in- app purchase products, rather than as different subscription products within the same subscription group. Subscription Groups
64. #4 “Upgrade”, “Downgrade” and “Crossgrade” άϨʔυ෼͚͞Ε͍ͯͯɺॏ ෳߪೖͰ͖ͳ͍΋ͷ • ϓϨϛΞϜ • ϊʔϚϧ (1ϲ݄) • ϊʔϚϧ (1೥) • ϥΠτ Downgrade Upgrade Crossgrade
65. #4 “Upgrade”, “Downgrade” and “Crossgrade” Android iOS https://developer.android.com/google/play/billing/billing_subscriptions#Allow-upgra https://developer.apple.com/jp/app-store/subscriptions/#ranking
66. #4 “Upgrade”, “Downgrade” and “Crossgrade” Android iOS https://developer.android.com/google/play/billing/billing_subscriptions#Allow-upgra https://developer.apple.com/jp/app-store/subscriptions/#ranking ద༻λΠϛϯά͕ݻఆ ʮൺྫ഑෼ϞʔυʯͷઃఆͰ αʔϏεଆ͕ద༻λΠϛϯάΛબ୒Մೳ
67. ՝୊ʹ͍ͭͯ
68. ૊৫ͷ՝୊ Planner Designer Engineer QA
69. ૊৫ͷ՝୊ Planner Designer Engineer QA λεΫϑΥʔε
70. ૊৫ͷ՝୊
71. ૊৫ͷ՝୊ https://speakerdeck.com/line_devday2019/project-management-and-agile-strategies-and-examples-of-enterprise-wide-organization
72. DX (Developer Experience) ΧΠθϯ Over 10 min for clean build…
73. DX (Developer Experience) ΧΠθϯ Modularization (separate by framework, library module)
74. DX (Developer Experience) ΧΠθϯ https://speakerdeck.com/line_devday2019/growing-line-for-ios https://engineering.linecorp.com/ja/blog/lineapp-android-team/