Introduction
Welcome
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What you should know
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How to use the exercise files
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1. Accessibility Overview
What is accessibility?
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Standards and guidelines
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Who is your audience?
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Accessibility features on Android
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Using TalkBack
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Using Switch Access
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2. Design and Develop Your App for Everyone
Introduction to universal design
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Universal design examples
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Clear hierarchy of information
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Text and color contrast
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Touch target size: Checkbox
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Touch target size: Image button
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Communicating meaningful information
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Communicating meaningful error messages
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Communicating meaningful toggle buttons
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Alternatives to different actions
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3. Implement Meaning and Operability to the User Interface
The POUR principle
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Focus navigation
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Update default focus navigation
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Labels, roles, values, and states
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Apply visual attributes to tab layout
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Provide unique and meaningful labels
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Labels for input controls
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Create unique labels
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Handle RecyclerView updates
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Handle Single Activity layouts
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Accessibility events
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Accessibility live region
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Accessibility node info
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Custom views
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4. Improve the User Experience for Accessibility Services
Grouping content
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Accessibility actions overview
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Remove extra accessibility focus
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Create custom accessibility actions
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Handle custom accessibility actions
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Accessible data visualization
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The ExploreByTouch helper: Part 1
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The ExploreByTouch helper: Part 2
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Using the ExploreByTouch helper
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5. Test Your App for Accessibility
Accessibility testing overview
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Manually testing for accessibility
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Analysis tools for accessibility
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Automated tests for accessibility
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Ex_Files_Android_App_Dev_Accessibility.zip
(25.6 MB)