The document summarizes a WWDC 2018 presentation about optimizing app assets. It discusses new features in Xcode 10 like source control integration showing changes and conflicts. It also covers Apple's new deep pixel image compression, which can reduce image sizes by 15-20% when used with asset catalogs. The presenter considers optimizing their own app's assets by adding images, videos, and colors to asset catalogs to take advantage of these features in iOS 12.

1. Last login: Fri Jun 8 18:00:00 on San Jose
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2. Last login: Fri Jun 8 18:00:00 on San Jose
San Jose ¦ ⇨ cd Tokyo
Tokyo ¦ ⇨ cd DMM.com
DMM.com ¦ ⇨ WWDC18 cherry-pick Xcode10
beta

3. Contents
- About Me
- Source Control Workflows in Xcode
- Optimizing App Assets
- Summary

4. About Me
Name：かむい (@kamui_project)
Job：iOS Engineer
WWDC18：!
Belong to：DMM.com LLC. (2018/04 - )
Join：MENUS(メニューズ)

5. MENUS(メニューズ)
健康的な献立レシピがすんなり簡単すぐ決まる！

6. Xcode 10 beta

7. "

8. Source Control Workflow
in Xcode

9. Source Control(1/4)
Changes in the local repository or upstream on a shared
server are highlighted directly within the editor.
At a glance, you ll see:
•Changes made in your code.
•Changes not yet pushed to the shared repository.
•Upstream changes others have made.
•Conflicts you should address before committing.

10. e.g. : Changes made in your code.
2

11. e.g. : Conflicts you should address before committing.

12. e.g. : Conflicts you should address before committing.

13. e.g. : Conflicts you should address before committing.

14. e.g. : Conflicts you should address before committing.

15. e.g. : Conflicts you should address before committing.

16. e.g. : Conflicts you should address before committing.

17. .storyboard
.xib
.pbxproj
🤔

18. 🙏WIP

19. Source Control(2/4)
Support for could-hosted and self-hosted Git server
offerings from Atlasssian Bitbucket, as well as GitLab to
go along with existing Github support.
設計図共有サイト
Github
Bitbucket GitLab

20. Source Control(3/4)
Xcode offers to rebase your changes when pulling the
latest version of code from your repository.

21. Source Control(3/4)
Xcode offers to rebase your changes when pulling the
latest version of code from your repository.

22. Source Control(4/4)
SSH Keys are generated if needed, and uploaded to
service provides for you.

23. Source Control(4/4)
SSH Keys are generated if needed, and uploaded to
service provides for you.

24. Source Control(4/4)
SSH Keys are generated if needed, and uploaded to
service provides for you.

25. Source Control(4/4)
SSH Keys are generated if needed, and uploaded to
service provides for you.

26. Optimizing App Assets

27. Optimizing App Assets
Learn how to use assets to bring visually compelling
and data efficient artwork to your apps, leveraging
new features in iOS12.
Gain insight into organizing, optimizing, and
authoring artwork assets by using asset catalogs to
their fullest Learn techniques to better streamline
workflows between …

28. Optimizing App Assets

29. Compression

30. Apple Deep Pixcel Image
Compression
Compression

31. ・Adaptive to image color spectrum
・Selects optimal compression algorithm
・15-20% size improvement
Apple Deep Pixcel Image Compression

32. 15-20% size improvement
-> ⚠ Only Asset Catalog Files
Apple Deep Pixcel Image Compression

33. Apple Deep Pixcel Image Compression

34. Apple Deep Pixcel Image Compression

35. Apple Deep Pixcel Image Compression
My App…🤔
・Color -> Not Asset Catalog
・mp4 -> Not Asset Catalog
・image -> Only 2x / 🙅 vector

36. Apple Deep Pixcel Image Compression
My App…🤔
・Color -> Not Asset Catalog
・mp4 -> Not Asset Catalog
・image -> Only 2x / 🙅 vector
😇

37. Apple Deep Pixcel Image Compression
My App…🤔
・Color -> Asset Catalog (Color Set)
-> ⚠ iOS11 ∼
・mp4 -> Asset Catalog (Data Set)
・image -> Asset Catalog (1∼3x or vector)

38. ・Not extraordinary, but lots of small evolution
・Xcode is getting better too.
-> ( Devastating evolution
・Please tell me about everyone s this session was
nice .
Summary

39. I wish I go to the WWDC in the fall🍁
Finally

40. ・Source Control Workflows in Xcode
https://developer.apple.com/videos/play/wwdc2018/418/
・Optimizing App Assets
https://developer.apple.com/videos/play/wwdc2018/227/
・What s New In Xcode
https://developer.apple.com/xcode/whats-new/
Resources

41. Fin.