Guidelines, gotchas and some cool stuff to consider when making your app ready for iOS8.

1. Adapting iOS 8
Aviel Lazar
@aviellazar
TLV iOS Developers Meetup

2. Your iOS7 apps
• Work!
• Don’t look deprecated
• And yet…

3. Privacy Permissions Attack

4. Permissions Attack #1
Camera

5. Permissions Attack #2
Loca tion
Always
vs.
While in Use

6. Permissions Attack #3
• Permission Required
– NEW: Local Notifications
– Push Notifications
• No Permission Needed:
– Silent Push Notifications
• Gotcha: New API!
registerUserNotificationSettings:notificationSettings

7. Best Practices
• Prompt in context
• Specify the purpose
• NEW: Privacy settings link
!UIApplicationOpenSettingsURLString"
"
http://techcrunch.com/2014/04/04/the-right-way-to-ask-users-for-ios-permissions/

8. Push Notifications

9. In App Purchases
• Ask to Buy feature of Family Sharing
– New transaction state – Deferred

10. Deferred Transaction
• Payment is neither purchased or failed
– Further update will be received
– Indeterminate time
• Meanwhile
– Allow the user to use the app
– Repurchase allowed

11. Keyboard
Height
Accessory View Displayed
Above that

12. Condensing Bars

13. UI Adaptivity
• Canvas Space vs. Orientation
• Regular vs. Compact

14. UI Adaptivity

15. UI Adaptivity
• UITraitsCollection
– horizontalSizeClass
– verticalSizeClass
– displayScale
– userInterfaceIdiom

16. UI Adaptivity
• Adaptive View Controller - UITrairtsEnviorment
– UIPresentationController
• Popover
• AlertsView,ActionSheet
• Search
• Custom
– UISplitViewController
• Adaptive Image Assets
"[
UIImage named: ”Cart” "
inBundle: nil "
compatibleWithTraitCollection: self.traitCollection]"

17. UI Adaptivity Gotcha
• [[UIScreen mainScreen] bounds]
– Is now orientation aware!

18. UITableView
Dynamic Text Support

19. UITableView Cells
• rowHeight
• Delegate
• Self Sizing Cells (Dynamic Type)
– Auto Layout
– sizeThatFits: is height for width
– table.View.rowHeight =44 (gotcha)
– tableView.estimatedRowHeight = 44

20. WKWebView
• It’s the Safari WebView
– Multi Process , Gestures, Fast JavaScript
• Powerful integration for Hybrid Apps:
• Navigation Delegate
• User scripts
• Script Messages
– JSON"
– window.webkit.messageHandlers.<name>.postMessage();"

21. WKWebView

22. Modern Objective - C
• instanacetype
– (instancetype)initWithFrame:(CGRect)frame; "
• Properties vs. method notations
! !"

23. iTunes Connect
• iTunes Connect Analytics
– App Page Views
– Website Links
– Campaign Links
• App Bundles
– Only for paid apps
– Complete my bundle

24. App Previews
• 30 Seconds
• Shows UI/Functionality
• Easily Capture
- OS X Yosemite and iOS 8
• Can Do:
– Narrations
• Don’t Do:
– Hands
– Prices
– Copyright infringement

25. Hidden Gems & More…
• Localization
– XCode will Import/Export XLIFF files
– Previews (RTL support)
• Instruments
– Network profiling

26. Thank You
We’re Hiring!
aviel@chegg.com

27. Questions ?