Retour sur l'iOS Tech Talk de Londres par Mélanie Bessagnet (ekito) pour la session de janvier 2014 des CocoaHeads Toulouse

1. http://www.cocoaheads.fr
@cocoaheadstls
Google group: CocoaHeads
Toulouse
melanie@cocoaheads.fr

2. iOS Tech Talk London
CocoaHeads Toulouse - 30/01/2014
Mélanie Bessagnet
ekito
@MBessagnet

4. The following takes place
between 09:00 A.M. and 07:00 P.M.
in Novotel London West Hotel

5. 09:00 a.m.
General Presentation
•
« iOS 7 is the 7th OS »
•
80% iOS 7 adoption
•
Good strategy: maintain
current iOS and iOS-1

6. 09:00 a.m.
General Presentation
« Build great apps is to build what matters to
people »
•
inviting: great first impression
•
state-of-the-art: take advantage of latest technologies
•
designed: attention to details
•
stand out: noticed for the right reason
Examples: Zite, Evernote, American Airlines, Paper, WWF
Together.
Look at Design Awards winners

7. 10:00 a.m.
iOS 7 Design
•
Mike Ster n, UX evangelist (@TheMikeStern)
•
Principles to apply: Clarity/Deference/Depth
•
Clarity
•
•
•
UI is about communication
Easiest to understand
Deference
•
•
Putting content first (e.g. edge-to-edge photos)
Depth
•
Life-like interact

8. 10:00 a.m.
iOS 7 Design
•
Minimize indications!
•
Effects (blur, transparency) and animations need to
mean something
•
Keep people oriented: zoom in / zoom out
animations
•
Focus attention
« Design is a process of experience »

9. 10:00 a.m.
iOS 7 Design
Simplify! Simplify! Simplify!

10. 11:00 a.m.
Architecture Part 1
•
Dave Delong, App Frameworks evangelist (@DaveDelong)
•
Motion Effects & Dynamics
•
Parallax
•
Add realistic, physic-like additions to view
•
Custom Transitions
•
Extended Layouts
•
TextKit
•
Styles
•
Dynamic types: increasing text size
•
Font descriptors

11. 12:00 P.m.
I am not Jack Bauer

12. 12:30 p.m.
Distribution & Marketing
•
Distribution
•
1 million apps
•
800 apps downloaded per second
•
App Store presence
•
Icon, description
•
Screenshots: avoid text overlays that hide app
contents

14. 12:30 p.m.
Distribution & Marketing
•
Universal app: 33% catalog
•
Free vs Paid vs Paymium vs Freemium
Downloads
Retention
Conversion

15. 12:30 p.m.
Distribution & Marketing
•
Interact with Apple
•
AppStorePromotion@apple.com
•
appoftheweek@apple.com
•
Marketing assets: AppStoreMarketing@apple.com
•
Plan for 2 weeks for review
•
Promotion http://www.youtube.com/watch?
v=FCoy6UVgyU4

16. 12:30 p.m.
Distribution & Marketing
•
iTunes Connect
•
Valuable features
•
Promo codes: reserve for media and influencers
•
App transfer
•
Alternate price tiers: only on iTunes Connect (e.g. 1$/1 €/1£)
•
Localization setup: XML feed for repetitive actions
•
Scheduling sale for international timezones

17. 02:00 p.m.
Architecture Part 2
•
Dave Delong part 2
•
64 bit
•
Universal code base (iOS and MacOS)
•
Objective-C runtime optimization
•
All code must be 64 bit (including libraries)
•
Formats and types must match
•
Read « 64-bit Transition Guide for Cocoa
Touch »

18. 02:00 p.m.
Architecture Part 2
•
M7
•
Motion Aware (gyroscope, accelerometer)
•
Measures motion data
•
iOS adjusts behavior on motion
•
CoreMotion framework

19. 03:00 p.m.
iOS 7 Technologies
•
Paul Marcos, App Services evangelist
•
Background transfers: NSURLSession
•
•
NSURLSessionDownloadTask: supports suspend, resume, cancel
Multitasking
•
•
Remote notifications: silent push notifications
•
•
Snapshots = state of the app
Background fetch
iBeacon

20. 04:00 p.m.
Security and Privacy
•
Paul Danbold, Core OS technologies evangelist
•
Security
•
•
Data protection: beware keychain access when device locked
•
Hide sensitive data from Snapshots
•
•
Responsibility falls to developers
See iOS Security PDF
Privacy
•
iOS gives more and more control to the user. Make it easy to know what the app does
with his data.
•
App have to work even if user does not allow access
•
Respect user privacy: don’t ask over and over

21. 05:00 p.m.
Tips & Tricks
•
Method completion: type “-“ and directly method name
•
Live replace with «Edit in Scope» (Editor Menu)
•
Debug quick looks: debugQuickLookObject
•
Status bar in-call (⌘-Y)
•
Test with Instruments
•
Call trees: thread backtrace

22. 05:00 p.m.
Tips & Tricks
•
URL Utilities
•
•
•
scheme/host/path/query
NSURLComponents instead of appendingPath
Localization
•
« Think globally but be local. Store is worldwide »
•
Create scheme by language
•
Scheme editor > arguments passed on launch
•
AppleLanguages (fr)
•
AppleLocale (fr_FR)

23. Links
•
All Tech Talks videos and presentations
•
•
https://developer.apple.com/tech-talks/videos/
French post on ekito’s blog
•
http://www.ekito.fr/people/?p=3908

24. Thank you
for your attention
Any Questions?