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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 612 · 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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  2. 2.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) text that can grow (d) sudden loud sounds
  4. 4.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) strong colour contrast
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Hint: 10 px
    Label: 12 px
    Footer: 11 px
    Title: 14 px
  6. 6.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 24 px
    Title: 23 px
    Hint: 21 px
  8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
  10. 10.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
  11. 11.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
  12. 12.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
  13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Caption: 16 px
    Label: 17 px
    Menu: 27 px
    (a) Caption (b) Menu (c) Footer (d) Label
  14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
  15. 15.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
  16. 16.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) captions on videos (d) big touch targets
  18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 23 px
    Caption: 28 px
    (a) Caption (b) Hint (c) Title
  19. 19.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  20. 20.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) big touch targets (d) tiny tap areas
  21. 21.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) captions on videos
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 28 px
    Body text: 12 px
    Footer: 18 px
    Label: 18 px
    (a) Menu (b) Body text (c) Footer (d) Caption
  23. 23.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Footer: 19 px
    Menu: 27 px
    Title: 13 px
    Body text: 27 px
    (a) Label (b) Title (c) Menu (d) Footer
  25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Label: 13 px
    Title: 14 px
    Body text: 21 px
    Footer: 24 px
  26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
  27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Title: 20 px
    Menu: 24 px
  28. 28.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) fast-flashing lights (d) text that can grow
  29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Menu: 24 px
    Body text: 17 px
    Footer: 16 px
    Label: 10 px
    (a) Body text (b) Label (c) Menu (d) Hint
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Footer: 13 px
    Caption: 11 px
    Body text: 13 px
    Hint: 20 px
  31. 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) colour as the only clue
  32. 32.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) tiny tap areas
  34. 34.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) captions on videos
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Title: 21 px
    Footer: 26 px
    Label: 24 px
    Menu: 12 px
    (a) Title (b) Menu (c) Hint (d) Footer
  36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Hint: 24 px
    Menu: 20 px
    Caption: 23 px
  37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Hint: 15 px
    Body text: 12 px
    Menu: 13 px
  38. 38.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  39. 39.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Menu: 13 px
    Hint: 26 px
    Footer: 24 px
    (a) Footer (b) Menu (c) Caption (d) Hint

Answer key

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

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