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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 376 · 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 is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
  2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Caption: 24 px
    Hint: 12 px
    Body text: 13 px
  3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) big touch targets (d) tiny tap areas
  4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 20 px
    Title: 12 px
    Caption: 19 px
    (a) Caption (b) Title (c) Label (d) Hint
  5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
  6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Title: 23 px
    Footer: 13 px
  7. 7.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) text that can grow
  8. 8.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) tiny tap areas
  9. 9.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
  10. 10.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  11. 11.♿ A screen has 8 icon buttons. Only 7 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?
    Hint: 16 px
    Label: 22 px
    Menu: 14 px
  13. 13.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
  14. 14.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
  15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Menu: 20 px
    Footer: 11 px
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Body text: 10 px
    Title: 13 px
    Hint: 12 px
    Footer: 16 px
  17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) tiny tap areas (d) colour as the only clue
  18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) text that can grow (d) icons with no labels
  19. 19.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
  20. 20.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
  21. 21.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Label: 10 px
    Footer: 21 px
    Caption: 22 px
    (a) Title (b) Caption (c) Label (d) Footer
  23. 23.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) captions on videos (d) sudden loud sounds
  24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 18 px
    Label: 24 px
    Hint: 11 px
    Body text: 10 px
  25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Caption: 17 px
    Body text: 19 px
    Title: 28 px
    Footer: 26 px
    (a) Body text (b) Label (c) Caption (d) Title
  27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Caption: 24 px
    Footer: 22 px
    Title: 16 px
    Menu: 14 px
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Menu: 23 px
    Label: 17 px
    Hint: 24 px
    (a) Hint (b) Label (c) Menu (d) Title
  29. 29.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) captions on videos (d) fast-flashing lights
  30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
  31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Hint: 16 px
    Caption: 19 px
    (a) Caption (b) Hint (c) Label
  32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
  33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Label: 10 px
    Body text: 20 px
    Footer: 26 px
    Caption: 21 px
    (a) Footer (b) Label (c) Title (d) Body text
  35. 35.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
  36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
  37. 37.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) fast-flashing lights
  38. 38.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) colour as the only clue
  39. 39.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Title: 9 px
    Footer: 22 px
    (a) Footer (b) Title (c) Menu

Answer key

  1. labels on every icon
  2. 2
  3. big touch targets
  4. Title
  5. helps everyone
  6. 2
  7. colour as the only clue
  8. tiny tap areas
  9. True
  10. 7
  11. 1
  12. 1
  13. 1
  14. a text label
  15. 1
  16. 3
  17. captions on videos
  18. icons with no labels
  19. True
  20. everyone
  21. True
  22. Label
  23. sudden loud sounds
  24. 2
  25. helps everyone
  26. Label
  27. 2
  28. Title
  29. fast-flashing lights
  30. colour-blind users
  31. Label
  32. makes it harder
  33. makes it harder
  34. Label
  35. makes it harder
  36. captions on videos
  37. labels on every icon
  38. colour as the only clue
  39. 11
  40. Title

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