Android App Development: Accessibility

Introduction

• Welcome
• What you should know
• How to use the exercise files

1. Accessibility Overview

• What is accessibility?
• Standards and guidelines
• Who is your audience?
• Accessibility features on Android
• Using TalkBack
• Using Switch Access

2. Design and Develop Your App for Everyone

• Introduction to universal design
• Universal design examples
• Clear hierarchy of information
• Text and color contrast
• Touch target size: Checkbox
• Touch target size: Image button
• Communicating meaningful information
• Communicating meaningful error messages
• Communicating meaningful toggle buttons
• Alternatives to different actions

3. Implement Meaning and Operability to the User Interface

• The POUR principle
• Focus navigation
• Update default focus navigation
• Labels, roles, values, and states
• Apply visual attributes to tab layout
• Provide unique and meaningful labels
• Labels for input controls
• Create unique labels
• Handle RecyclerView updates
• Handle Single Activity layouts
• Accessibility events
• Accessibility live region
• Accessibility node info
• Custom views

4. Improve the User Experience for Accessibility Services

• Grouping content
• Accessibility actions overview
• Remove extra accessibility focus
• Create custom accessibility actions
• Handle custom accessibility actions
• Accessible data visualization
• The ExploreByTouch helper: Part 1
• The ExploreByTouch helper: Part 2
• Using the ExploreByTouch helper

5. Test Your App for Accessibility

• Accessibility testing overview
• Manually testing for accessibility
• Analysis tools for accessibility
• Automated tests for accessibility

Conclusion

• Next steps