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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 203 · 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?
    Body text: 26 px
    Caption: 13 px
    Footer: 27 px
    Menu: 16 px
    Label: 28 px
    (a) Footer (b) Menu (c) Body text (d) Caption
  2. 2.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
  3. 3.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  4. 4.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) sudden loud sounds
  6. 6.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) tiny tap areas (d) colour as the only clue
  7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Body text: 10 px
    Menu: 17 px
    Hint: 18 px
    (a) Caption (b) Hint (c) Body text (d) Menu
  8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Body text: 16 px
    Title: 21 px
    Hint: 13 px
    Footer: 24 px
  9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 14 px
    Label: 22 px
  10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
  11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Hint: 21 px
    Title: 23 px
    Footer: 22 px
    (a) Caption (b) Title (c) Footer (d) Hint
  12. 12.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) text that can grow (d) big touch targets
  13. 13.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
  14. 14.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
  15. 15.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 16 px
    Label: 16 px
  17. 17.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) big touch targets (d) colour as the only clue
  18. 18.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
  19. 19.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
  20. 20.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) tiny tap areas (d) strong colour contrast
  21. 21.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  22. 22.♿ A screen has 10 icon buttons. Only 9 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
    Body text: 28 px
    Footer: 11 px
    Title: 17 px
    Menu: 21 px
    (a) Footer (b) Caption (c) Body text (d) Title
  24. 24.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
  25. 25.♿ A screen has 11 icon buttons. Only 6 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. Which text on this screen is too small?
    Caption: 26 px
    Hint: 16 px
    Footer: 22 px
    Title: 11 px
    (a) Title (b) Footer (c) Caption (d) Hint
  27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Title: 23 px
    Label: 16 px
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 27 px
    Hint: 24 px
    Footer: 12 px
    (a) Body text (b) Menu (c) Hint (d) Footer
  29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Hint: 15 px
    Footer: 12 px
    Title: 24 px
    Body text: 12 px
  30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) strong colour contrast
  33. 33.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Title: 17 px
    Label: 16 px
    Caption: 12 px
    Body text: 26 px
    (a) Label (b) Title (c) Caption (d) Hint
  35. 35.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) fast-flashing lights (d) icons with no labels
  36. 36.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Caption: 14 px
    Body text: 20 px
    Title: 28 px
    Menu: 27 px
    (a) Caption (b) Label (c) Title (d) Body text
  38. 38.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  39. 39.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) captions on videos
  40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Menu: 22 px
    Body text: 24 px
    Footer: 14 px

Answer key

  1. Caption
  2. True
  3. 2
  4. 4
  5. strong colour contrast
  6. labels on every icon
  7. Body text
  8. 1
  9. 1
  10. labels on every icon
  11. Caption
  12. icons with no labels
  13. helps everyone
  14. False
  15. 2
  16. 1
  17. colour as the only clue
  18. sudden loud sounds
  19. reads the screen aloud
  20. tiny tap areas
  21. 3
  22. 1
  23. Footer
  24. False
  25. 5
  26. Title
  27. 0
  28. Footer
  29. 3
  30. makes it harder
  31. makes it harder
  32. strong colour contrast
  33. everyone
  34. Caption
  35. captions on videos
  36. 3
  37. Caption
  38. makes it harder
  39. captions on videos
  40. 2

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