iOS @ Spotify

A very quick introduction on the journey from 'git commit' to the User in our iOS Client at Spotify.

As presented in CocoaHeads Stockholm Session 65.

Transcript

2. iOS at Spotify Hector Zarate (@iOSCowboy)
3. Spotify Numbers 58 markets Over 30 million Songs 75 million Active Users (20 million Subscribers)
4. iOS Client Numbers 50 monthly contributors 0.5 million lines of code millions of users
5. 1. Scale
6. 2. Innovation
7. 3. Modular Organization
8. 3. Modular Organization Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre
9. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
10. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
11. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
12. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
13. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
14. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
15. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
16. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
17. Radio Running Album Show Player Browse Artist Playlist Social Conce Car Chart scover Genre Ads Equalizer Inbox Podcast
18. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh S C Pl Br Ar Pl C C A Eq In Po
19. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh S C Pl Br Ar Pl C C A Eq In Po
20. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh S C Pl Br Ar Pl C C A Eq In Po
21. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh S C Pl Br Ar Pl C C A Eq In Po
22. Spotify.xcworkspace
23. Spotify.xcworkspace Spotify.xcworkspace forks?
24. Spotify.xcworkspace master
25. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh S C Pl Br Ar Pl C C A Eq In Po master
26. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh C Pl Br Ar Pl C C A Eq In Po A master
27. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh C Pl Br Ar Pl C C A Eq In Po B master
28. Ra Ru Al Sh Pl Br Ar Pl S C C C Di G Ra Ru Al Sh C Pl Br Ar Pl C C A Eq In Po A master
29. From ‘git commit’ to the User
30. Step 0: Agile - Flavored Culture Plan Work Done
31. Step 0: Agile - Flavored Culture Plan Work Done
32. Step 0: Agile - Flavored Culture
33. Step 1: Repository
34. Step 1: Repository ◕ ◡ ◕
35. ◕ ◡ ◕ Step 1: Repository
36. Step 2: Peer Code Review ◕ ◡ ◕
37. Step 2: Peer Code Review ಠ _ ಠ ◕ ◡ ◕
38. Step 2: Peer Code Review ಠ _ ಠ ◕ _ ◕
39. Step 2: Peer Code Review ಠ ◡ ಠ ◕ _ ◕
40. Step 2: Peer Code Review ಠ ◡ ಠ ◕ ◡ ◕
41. Step 2: Peer Code Review •Spread Knowledge. •Prevent work from being repeated. •Opportunity to detect errors earlier. •A venue for technical discussions.
42. Step 3: Continuos Integration ◕ ◡ ◕
43. Step 3: Continuos Integration •Eases integration issues. •Notification and Stats. •Gives clues of where and when things went wrong to everybody. •Executes tests suites
44. Step 4: Unit Tests 1 2 3 4 6 ◕ ◡ ◕
45. Step 4: Unit Tests •Mainly for model and model- view. •First channel of feedback to avoid regressions. •Can be executed on the developer’s machine as well. •Testable code is better code
46. Step 5: Automated Tests
49. 5. Automated Tests
50. Step 5: Automated Tests •Test the view components. •Executed on all supported devices. •Best if implemented by the developers
51. master ◕ ◡ ◕
52. ◕ ◡ ◕
53. 6. Monitor Crashes ◕ _ ◕
54. Results
55. 1. Shorter Release Cycle 3 Weeks
56. 1. Shorter Release Cycle 2 Weeks
57. 2. Crash Frequency
58. 3. App Store Rating
59. 3. App Store Rating
60. Thank You! @iOSCowboy