What's news in Cocoa Touch
iOS 6
iOS 7
iOS 8
- Adaptivitiy
- Size Classes
- View controllers
- View controller presentations
- Search Result
- Action Sheets
iOS 9
- Multitasking
- Picture in Picture
- Related Session:
- Getting Started with Multitasking on iPad in iOS 9
- Multitasking essentials for media-based apps on iPad in iOS 9
- Optimizing Your app for multitasking in iPad iOS 9
Layout Guides
UILayoutGuide
- UIView
- MarginLayoutGuide( available Since iOS 8)
- ReadableContentMargin
- Make sure the text is readable regardless of users' text size and available spaces
UIStackView
- adjustable Spacing and alignment
- nested
Shortcut Bar(above the keyboard)
- customized via UITextInput protocal
- func inputAssistantItem
- leadingButtonGroup
- trailingButtonGroup
Storyboard
- link one storyboard to another
- Unwind segue
Right to left Support
- UIViewController
- var semanticContentAttribute (override to return value for custom layout)
- UIView
- var semanticContentAttribute (override to return value for custom layout)
UIImage
- func imageFlippedForRightToLeft
- var isFlippedForRightToLeft
- Related Session :
- New UIKit Support for international users interfaces
Accessibility
- Change to AVSpeechSynthesis
- Related Session :
Text Editing Gesture( text selection gesture on software keyboard with two fingers dragging)
- nothing to do to support
- make sure custom text view gesture is not conflicting
Keyboard commands(Hold command key on hard keyboard)

set discoveryTitles and UIKit will figure out
Touch Events
- reduce the latency the touch received.
- Touch predictions (WOW)
- Advanced Touch input on iOS 9
UIDynamic
- Support Ellipse and Path Collision Bounds(Only rectangle before)
- UIFieldBehavoir
- Linear and Radial Gravity
- Spring
- Drag and Velocity
- Noise And turbulance
- Electric and Magnetic
- Or Custom field Evaluator to create own field.
- new Attachment type
Visual Effect
API optimizations for Swift
- Nullability
- Lightweight generics ( subViews are not id instead of UIVew Type)
- Related Session :
Notifications
- var behavior
- var action parameters
Safari
New extension point
- Packet Tunnel Provider
- App Proxy Provider
- Filter Control/data provider
Safari Extension point
- Shared Links
- Should appear shared Link
- Content Blocking
SpotLight Extension point
- Index of application data
- Index maintenance
- Related Session :
Audio Unit Extension point
Contacts
- New Swift and Objective- API
- Related Session :
- Introducing the contacts framework for iOS & OS X
Wallet and PassKit
Core Location
- updates to background location tracking
- CLLocationManager
- request one-time location
- func requestLocation
MapKit
- access 3DPlayer flyer View
- show traffic
- show compress and scale
- custom callouts(?)
Health Kit
- Direct support in WatchOS2
ResearchKit
HomeKit
CloudKit
- Related Session :
- Whats new in CloudKit
- CloudKit tips and tricks
UIDocument
- no longer a copy of the document
On Demand Resource
- Hosted on App Store
- Dynamc load content
- Base on history
App Slicing
- Automatically tailors the applications
- New NSDataAsset class
Game centre
ReplayKit
GamePlayKit
WatchOS2
- Related Session :
- Introduction WatchKit for Watch OS 2