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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 474 · 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. Which text on this screen is too small?
    Caption: 25 px
    Title: 28 px
    Label: 28 px
    Body text: 14 px
    (a) Title (b) Label (c) Body text (d) Caption
  2. 2.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  3. 3.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
  4. 4.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
  5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Body text: 16 px
    Title: 25 px
    Footer: 11 px
    (a) Footer (b) Body text (c) Title (d) Label
  6. 6.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  7. 7.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  8. 8.♿ 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
  9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
  10. 10.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
  11. 11.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) captions on videos
  12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Hint: 15 px
    Caption: 23 px
  13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) colour as the only clue (d) text that can grow
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Title: 14 px
    Hint: 15 px
    Menu: 11 px
    Caption: 13 px
  15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Hint: 21 px
    Label: 22 px
    Footer: 15 px
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Label: 22 px
    Title: 22 px
  17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Menu: 24 px
    Hint: 13 px
  18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Menu: 11 px
    Label: 19 px
    Caption: 21 px
    Title: 11 px
  19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) text that can grow
  20. 20.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
  21. 21.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
  22. 22.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a text label (d) a sound
  23. 23.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Body text: 21 px
    Label: 17 px
    (a) Label (b) Hint (c) Body text
  25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Label: 19 px
    Hint: 12 px
    Caption: 21 px
    Footer: 14 px
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Body text: 12 px
    Footer: 25 px
    Title: 20 px
    (a) Body text (b) Hint (c) Footer (d) Title
  27. 27.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
  28. 28.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
  29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Footer: 15 px
    Label: 14 px
    Title: 17 px
    Menu: 19 px
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Hint: 13 px
    Footer: 22 px
  31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
  32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) labels on every icon
  33. 33.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Footer: 27 px
    Title: 24 px
    Body text: 19 px
    Caption: 10 px
    (a) Caption (b) Footer (c) Title (d) Hint
  35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Menu: 11 px
    Label: 18 px
    Footer: 10 px
  36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) big touch targets
  37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Hint: 26 px
    Label: 11 px
    (a) Body text (b) Label (c) Hint
  38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Body text: 10 px
    Hint: 13 px
    Label: 13 px
    Footer: 10 px
  39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 22 px
    Title: 12 px
    (a) Body text (b) Hint (c) Title

Answer key

  1. Body text
  2. makes it harder
  3. True
  4. False
  5. Footer
  6. helps everyone
  7. makes it harder
  8. colour-blind users
  9. helps everyone
  10. False
  11. tiny tap areas
  12. 1
  13. colour as the only clue
  14. 5
  15. 1
  16. 0
  17. 1
  18. 2
  19. fast-flashing lights
  20. True
  21. True
  22. a text label
  23. everyone
  24. Hint
  25. 2
  26. Body text
  27. reads the screen aloud
  28. makes it harder
  29. 3
  30. 1
  31. so anyone can follow
  32. labels on every icon
  33. False
  34. Caption
  35. 2
  36. sudden loud sounds
  37. Label
  38. 5
  39. tiny tap areas
  40. Title

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