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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 276 · 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.

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

Answer key

  1. True
  2. makes it harder
  3. Body text
  4. Hint
  5. colour as the only clue
  6. False
  7. 9
  8. Label
  9. a text label
  10. captions on videos
  11. strong colour contrast
  12. False
  13. 2
  14. Footer
  15. Label
  16. 2
  17. helps everyone
  18. 1
  19. 3
  20. helps everyone
  21. Hint
  22. 1
  23. labels on every icon
  24. makes it harder
  25. False
  26. Title
  27. helps everyone
  28. Caption
  29. tiny tap areas
  30. sudden loud sounds
  31. 7
  32. Caption
  33. 2
  34. everyone
  35. Hint
  36. False
  37. 2
  38. Menu
  39. Title
  40. 1

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