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App Dev Worksheet: Accessibility

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

Answer key

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

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