This document summarizes new features and best practices for adapting iOS apps to iOS 8. It discusses changes to privacy permissions for location, camera, and notifications. It also covers push notifications, in-app purchases, keyboard display, UI adaptivity for different devices, using WKWebView instead of UIWebView, and new features for iTunes Connect like app previews. The document encourages testing apps on iOS 8 and following platform guidelines for a good user experience.

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 ?