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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 401 · 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.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
  2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Footer: 20 px
    Body text: 18 px
    Menu: 28 px
    Label: 9 px
    (a) Label (b) Caption (c) Body text (d) Footer
  3. 3.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) captions on videos (d) tiny tap areas
  4. 4.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
  5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  6. 6.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
  7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Title: 13 px
    Hint: 21 px
    Label: 16 px
    (a) Label (b) Title (c) Footer (d) Hint
  8. 8.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
  9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Caption: 24 px
    Footer: 10 px
    (a) Footer (b) Hint (c) Caption
  10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 16 px
    Caption: 11 px
  11. 11.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
  12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
  13. 13.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Footer: 12 px
    Caption: 13 px
    Label: 24 px
  15. 15.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) captions on videos
  16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Caption: 14 px
    Title: 17 px
    (a) Title (b) Caption (c) Hint
  17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 24 px
    Footer: 12 px
    Menu: 27 px
    Label: 19 px
    (a) Caption (b) Body text (c) Footer (d) Menu
  18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Title: 19 px
    Footer: 11 px
    Body text: 13 px
  19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 16 px
    Label: 11 px
    Hint: 20 px
    (a) Body text (b) Label (c) Hint (d) Footer
  20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
  21. 21.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  22. 22.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Body text: 26 px
    Menu: 12 px
    (a) Body text (b) Menu (c) Footer
  24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Caption: 13 px
    Footer: 17 px
  25. 25.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) colour as the only clue (d) sudden loud sounds
  26. 26.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
  27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Body text: 20 px
    Caption: 15 px
    Label: 18 px
  28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
  29. 29.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  30. 30.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) text that can grow
  31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Title: 13 px
    Body text: 16 px
    Hint: 15 px
  32. 32.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) captions on videos
  33. 33.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
  34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Label: 19 px
    Hint: 10 px
    Menu: 21 px
    (a) Hint (b) Menu (c) Title (d) Label
  36. 36.♿ 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
  37. 37.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) strong colour contrast
  38. 38.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  39. 39.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
  40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Title: 12 px
    Hint: 20 px
    Footer: 20 px
    Body text: 13 px

Answer key

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

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