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iOS AccessibilityDeveloping for everyone

Ian Fisch iOS Accessibility

App Frameworks #WWDC15

Session 201

Supporting All Users

Agenda

Agenda

Accessibility features on iOS

Agenda

Accessibility features on iOSWhat’s new in iOS 9

Agenda

Accessibility features on iOSWhat’s new in iOS 9Accessibility audit

Agenda

Accessibility features on iOSWhat’s new in iOS 9Accessibility auditImplement accessibility

iOS Accessibility Features

HearingMade for iPhone Hearing Aids

LearningGuided Access

VisionVoiceOver

VisionZoom

VisionVision accommodations

Physical and MotorSwitch Control

Physical and MotorAssistive Touch

Touch AccommodationsNew in iOS 9

DemoTouch accommodations

UIAccessibilityThe bridge between your app and accessibility


UIAccessibility

UIAccessibility


*Tap*

UIAccessibility


*Tap*

[yourElement accessibilityLabel]

UIAccessibility


*Tap*

[yourElement accessibilityLabel]

@“Weather”

UIAccessibility


UIAccessibility


*Menu*

UIAccessibility


*Menu*

[yourElement accessibilityCustomActions]

UIAccessibility


*Menu*


<Move>, <Pass>, <Trade>

UIAccessibility


*Menu*


<Move>, <Pass>, <Trade>

M P T Move Pass Trade

UIAccessibilityDo I serve a purpose?


var isAccessibilityElement: Bool


var isAccessibilityElement: Bool

self.isAccessibilityElement = true

UIAccessibilityWhat’s my name?


var accessibilityLabel: String?



self.accessibilityLabel = “Button to add a clock”



self.accessibilityLabel = “Add”

self.accessibilityLabel = “Button to add a clock”

UIAccessibilityWhat’s my personality?


var accessibilityTraits: UIAccessibilityTraits


var accessibilityTraits: UIAccessibilityTraits

self.accessibilityTraits = UIAccessibilityTraitButton

UIAccessibilityWhat is my value?


var accessibilityValue: String?


var accessibilityValue: String?

self.accessibilityValue = “Eleven twenty AM”

UIAccessibilityHow should people interact with me?


var accessibilityHint: String?


var accessibilityHint: String?

self.accessibilityHint = “Drag up or down to change the order”

UIAccessibilityWhere am I?


var accessibilityFrame: CGRect


var accessibilityFrame: CGRect

func UIAccessibilityConvertFrameToScreenCoordinates(CGRect, UIView) -> CGRect

UIAccessibilityBasic API


extension NSObject { var isAccessibilityElement: Bool var accessibilityLabel: String?

var accessibilityHint: String? var accessibilityValue: String? var accessibilityTraits: UIAccessibilityTraits var accessibilityFrame: CGRect }

UIAccessibilitySummary


We do most of the work


We do most of the workSmall investment


We do most of the workSmall investmentLarge reward

Building Accessible Apps


Design for accessibility


Design for accessibilityAudit your app


Design for accessibilityAudit your appAccessibility inspector


Design for accessibilityAudit your appAccessibility inspectorAccessibility features


Design for accessibilityAudit your appAccessibility inspectorAccessibility features• VoiceOver


Design for accessibilityAudit your appAccessibility inspectorAccessibility features• VoiceOver• Switch Control

DemoAccessibility Audit

Accessibility AuditResults


Earthquake cell


Earthquake cell• Not accessible


Earthquake cell• Not accessible• Text color



Map detail



Map detail• Labels



Map detail• Labels• Button


extension NSObject { var isAccessibilityElement: Bool var accessibilityLabel: String?

var accessibilityHint: String? var accessibilityValue: String? var accessibilityTraits: UIAccessibilityTraits var accessibilityFrame: CGRect }

DemoAccessibility API


✓Earthquake cell

✓Not accessible

✓Text color


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓Button


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓ButtonAdd favorite


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓ButtonAdd favoriteFavorite graph


Do I serve a purpose?


Do I serve a purpose?Where am I?

UIAccessibilityUIAccessibilityElement

UIAccessibilityUIAccessibilityElement

class UIAccessibilityElement : NSObject, UIAccessibilityIdentification { init(accessibilityContainer container: AnyObject) unowned(unsafe) var accessibilityContainer: AnyObject? var isAccessibilityElement: Bool var accessibilityLabel: String? var accessibilityHint: String? var accessibilityValue: String? var accessibilityFrame: CGRect var accessibilityTraits: UIAccessibilityTraits }

UIAccessibilityMagic Tap


func accessibilityPerformMagicTap() -> Bool

New APIAccessibility Focus


func accessibilityAssistiveTechnologyFocusedIdentifiers() -> Set<String>?

func UIAccessibilityFocusedElement(assistiveTechnologyIdentifier: String?) -> AnyObject?


let UIAccessibilityElementFocusedNotification: String

let UIAccessibilityFocusedElementKey: String let UIAccessibilityUnfocusedElementKey: String let UIAccessibilityAssistiveTechnologyKey: String

DemoAccessibility API


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓Button


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓Button

✓Add favorite


✓Earthquake cell

✓Not accessible

✓Text color

✓Map detail

✓Labels

✓Button

✓Add favorite

✓Favorite graph

Summary

Summary

Accessibility is about users

Summary

Accessibility is about usersApple embraces accessibility

Summary

Accessibility is about usersApple embraces accessibilityJoin us

More Information

DocumentationUIAccessibilityhttp://developer.apple.com/library/

Technical SupportApple Developer Forumshttp://developer.apple.com/forums

Developer Technical Supporthttp://developer.apple.com/support/technical

General InquiriesPaul Marcos, App Frameworks [email protected]

mailto:[email protected]

Related Session and Lab

Apple Watch Accessibility Pacific Heights Tuesday 1:30PM

Accessibility and Speech Lab Frameworks Lab D Tuesday 2:30PM

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