iOS Accessibility

Christian Lobach @DerLobi

Accessibility

• Learning and Literacy

• Physical and Motor Skills

• Hearing

• Vision

Learning

• Guided Access

• Limit hardware functions

• Limit areas on screen

• Restrict time of usage

Physical and Motor Skills

• Touch Accomodations

• AssistiveTouch

• Switch control

Hearing

• Support for Bluetooth hearing aids

• LED flash for alerts

• Mono Audio

• “Live Listen”

• Grayscale

• Zoom

• Invert colors

• Dynamic Type

• VoiceOver

Vision

Dynamic Typelabel.font =

UIFont.preferredFontForTextStyle(UIFontTextStyleHeadline)

NSNotificationCenter.defaultCenter().addObserver(self, selector: "textSizeDidChange:", name: UIContentSizeCategoryDidChangeNotification, object: nil)

UIFontTextStyleHeadline UIFontTextStyleSubheadline UIFontTextStyleBody UIFontTextStyleFootnote UIFontTextStyleCaption1 UIFontTextStyleCaption2

UIFontTextStyleTitle1 UIFontTextStyleTitle2 UIFontTextStyleTitle3 UIFontTextStyleCallout

VoiceOver• Reads out accessibility elements

NSObject (UIAccessibility)• isAccessibilityElement: Bool

e.g. “Map”

• accessibilityLabel: String?

e.g. “Opens the map view of the hotels found”

• accessibilityHint: String?

e.g. “max. 144 Euro”

• accessibilityValue: String?

NSObject (UIAccessibility)• accessibilityTraits: UIAccessibilityTraits

e.g. Button, search field, selected

• accessibilityFrame: CGRect

• accessibilityPath: UIBezierPath?

• accessibilityLanguage: String?

e.g. “en-US”, by default the user’s current locale

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Nov. 2015

Montag23

Abreisedatum wählen, Montag, 23. November 2015,

Button

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Button

Button

Button

Button Expedia, 68€, zum Angebot

Sehr gute Bewertung, 79/100,

4279 Bewertungen

Alle Angebote von 7 Webseiten

California am Kurfürstendamm,

4 Sterne, 6,4 km zum Zentrum

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Entfernung, max. 20km100 Prozent

@DerLobi

Thanks for listening

Any questions?