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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 284 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Body text: 20 px
    Footer: 23 px
    Caption: 13 px
    Menu: 23 px
  2. 2.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
  3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Body text: 26 px
    Title: 21 px
    Caption: 24 px
    Hint: 10 px     (a) Label (b) Title (c) Body text (d) Hint
  4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) fast-flashing lights (d) sudden loud sounds
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Title: 21 px
    Footer: 10 px
    Caption: 11 px
  6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Label: 18 px
    Title: 20 px
    Footer: 19 px
    Body text: 9 px     (a) Title (b) Menu (c) Body text (d) Label
  8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Title: 9 px
    Footer: 18 px     (a) Title (b) Footer (c) Menu
  9. 9.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
  10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Footer: 19 px
    Title: 18 px
    Hint: 24 px     (a) Label (b) Hint (c) Footer (d) Title
  11. 11.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 17 px
    Body text: 22 px
    Label: 13 px
    Caption: 11 px
  13. 13.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
  14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Hint: 11 px
    Menu: 18 px
    Title: 28 px
    Footer: 16 px     (a) Menu (b) Title (c) Caption (d) Hint
  15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Label: 9 px
    Title: 18 px     (a) Footer (b) Label (c) Title
  16. 16.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) strong colour contrast
  17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
  18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Menu: 28 px
    Title: 28 px     (a) Title (b) Label (c) Menu
  19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) icons with no labels (d) fast-flashing lights
  20. 20.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) captions on videos
  21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Caption: 13 px
    Body text: 21 px
    Menu: 20 px     (a) Title (b) Caption (c) Menu (d) Body text
  22. 22.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Menu: 20 px
    Hint: 13 px
    Label: 20 px
    Title: 22 px     (a) Caption (b) Hint (c) Menu (d) Label
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 17 px
    Menu: 22 px     (a) Footer (b) Menu (c) Caption
  25. 25.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Hint: 14 px
    Label: 14 px
  27. 27.♿ Does this help everyone, or make the app harder to use: captions on videos? (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?
    Hint: 14 px
    Caption: 19 px
    Menu: 17 px
    Title: 24 px     (a) Hint (b) Menu (c) Title (d) Caption
  29. 29.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Footer: 10 px
    Label: 18 px
    Title: 20 px
  31. 31.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) captions on videos
  32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Label: 20 px
    Caption: 15 px
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Title: 22 px
    Menu: 14 px
    Label: 17 px     (a) Title (b) Label (c) Menu (d) Hint
  34. 34.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Label: 17 px
    Hint: 18 px
    Caption: 9 px     (a) Label (b) Hint (c) Caption (d) Menu
  36. 36.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  37. 37.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) big touch targets (d) captions on videos
  38. 38.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) text that can grow (d) icons with no labels
  39. 39.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True

Answer key

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

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