Cocoaheads RJ

1. extensions
Cocoaheads RJ

2. • Fagner Moura
• data science - Hotel Urbano
• web, mobile iOS
• @seufagner

3. what?
• go beyond your app
• contextualized use
• publish one app (extension comes together)
• change user experience
• disabled by default

4. today widget
• Notification Center
• quick information
• can open containing app
• updates through snapshot
• live information?
• don’t support keyboard entries
• make sense

5. today widget

6. share
• forget custom controls
• edit, validate, post

7. action
• view and transform content
• by content type

8. photo
editing
• edit photo or video
• custom filters
• keeps multiple versions

9. document
provider
• Document Picker
• import and export
• File Provider
• open and move

10. custom
keyboard
• replace native keyboard
• respond tap, gestures

11. zoo000m
• couldn’t delivered without a containing app
• ..but is independent binary (own target)
• choose only one extension points
• called indirectly by host app
• three files, at least, is enough
• Controller, plist, interface file (xib or storyboard)

12. xcode templates

13. the code

14. the code

15. life cycle

16. communication
< > NSExtensionContext

17. communication
* System framework

18. communication

19. communication

20. communication

21. shared data
* App Group

22. continue…
q&a