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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 95 · 40 questions
TalentJR

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

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  1. 1.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) icons with no labels
  2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Title: 17 px
    Menu: 9 px     (a) Title (b) Label (c) Menu
  3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Caption: 11 px
    Menu: 20 px
    Body text: 22 px     (a) Caption (b) Menu (c) Hint (d) Body text
  4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) icons with no labels
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Label: 10 px
    Caption: 23 px
    Body text: 21 px
  6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 11 px
    Title: 23 px
    Body text: 18 px
    Label: 16 px
  7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Label: 15 px
    Hint: 24 px
    Body text: 14 px
  8. 8.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
  9. 9.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
  10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Label: 11 px
    Footer: 12 px
    Body text: 17 px
    Menu: 10 px
  11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
  12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Body text: 20 px
    Title: 26 px
    Label: 9 px     (a) Body text (b) Label (c) Caption (d) Title
  13. 13.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
  14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Caption: 28 px
    Title: 10 px
    Menu: 18 px
    Footer: 21 px     (a) Title (b) Body text (c) Menu (d) Caption
  15. 15.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
  16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) icons with no labels (d) big touch targets
  17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 15 px
    Footer: 11 px
    Menu: 20 px
    Body text: 14 px
  18. 18.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
  19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
  20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Menu: 20 px
    Title: 28 px
    Hint: 21 px     (a) Menu (b) Footer (c) Hint (d) Title
  21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Title: 19 px
    Caption: 19 px
    Footer: 13 px
    Hint: 26 px     (a) Title (b) Label (c) Caption (d) Footer
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Label: 16 px
    Caption: 21 px
    Hint: 19 px
    Menu: 21 px     (a) Hint (b) Label (c) Title (d) Caption
  23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Hint: 20 px
    Menu: 16 px
    Footer: 12 px
    Title: 21 px
  24. 24.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  25. 25.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Body text: 20 px
    Caption: 16 px
    Hint: 9 px     (a) Hint (b) Title (c) Caption (d) Body text
  27. 27.Which of these makes the app harder to use? (a) colour as the only clue (b) captions on videos (c) labels on every icon (d) big touch targets
  28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Menu: 11 px
    Body text: 13 px
    Label: 20 px
    Footer: 23 px
  29. 29.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 24 px
    Label: 27 px     (a) Title (b) Body text (c) Label
  31. 31.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Title: 27 px
    Hint: 11 px
    Body text: 26 px
    Menu: 28 px     (a) Footer (b) Title (c) Hint (d) Body text
  33. 33.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  34. 34.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
  35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Body text: 16 px
    Hint: 10 px
    Caption: 17 px
    Title: 27 px     (a) Caption (b) Menu (c) Hint (d) Body text
  37. 37.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
  38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Hint: 19 px
    Footer: 22 px
    Label: 9 px     (a) Hint (b) Label (c) Footer (d) Caption
  39. 39.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
  40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Body text: 10 px
    Caption: 10 px
    Title: 13 px
    Label: 20 px

Answer key

  1. icons with no labels
  2. Menu
  3. Caption
  4. text that can grow
  5. 1
  6. 2
  7. 3
  8. so anyone can follow
  9. True
  10. 3
  11. makes it harder
  12. Label
  13. True
  14. Title
  15. everyone
  16. big touch targets
  17. 3
  18. makes it harder
  19. helps everyone
  20. Footer
  21. Footer
  22. Title
  23. 2
  24. 8
  25. a text label
  26. Hint
  27. colour as the only clue
  28. 2
  29. False
  30. Title
  31. 4
  32. Hint
  33. helps everyone
  34. text that can grow
  35. labels on every icon
  36. Hint
  37. sudden loud sounds
  38. Label
  39. tiny tap areas
  40. 4

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