Mobile Engineering Tools
Mobile Accessibility Reference
Search mobile accessibility APIs and requirements. Covers iOS VoiceOver attributes, Android TalkBack contentDescription, touch target sizes, Dynamic Type, and WCAG 2.1 color contrast.
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About this tool
Mobile Accessibility Reference
The Mobile Accessibility Reference covers iOS VoiceOver, Android TalkBack, touch target sizes, Dynamic Type, WCAG 2.1 color contrast, and accessibility testing guidance.
• Look up iOS accessibilityLabel requirements before a VoiceOver audit
• Reference Android touch target size before a layout review
• Find WCAG 2.1 color contrast ratio before a design accessibility review
• Reference Dynamic Type implementation before supporting large accessibility text sizes
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FAQ
What does this tool tell you?
The Mobile Accessibility Reference covers iOS VoiceOver, Android TalkBack, touch target sizes, Dynamic Type, WCAG 2.1 color contrast, and accessibility testing guidance.
What affects the result most?
iOS VoiceOver: accessibilityLabel, accessibilityHint, accessibilityTraits — required on all interactive elements. Android TalkBack: contentDescription attribute — equivalent to iOS accessibilityLabel. Minimum touch target: 44×44pt iOS, 48×48dp Android — smaller targets fail accessibility.
How should I use the result?
Use this tool to orient quickly to the concepts, field names, or values you are about to look up in a full specification or vendor documentation. It summarizes the common cases; the authoritative source remains whichever standard or vendor doc defines the values themselves.