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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 779 · 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) tiny tap areas (b) sudden loud sounds (c) strong colour contrast (d) fast-flashing lights
  2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Footer: 27 px
    Caption: 9 px
    (a) Menu (b) Caption (c) Footer
  3. 3.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
  4. 4.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) colour as the only clue
  5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Title: 9 px
    Body text: 16 px
    Label: 20 px
    (a) Footer (b) Label (c) Body text (d) Title
  6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Label: 22 px
    Footer: 22 px
    Title: 23 px
    Hint: 16 px
  7. 7.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) captions on videos (d) strong colour contrast
  8. 8.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) fast-flashing lights
  9. 9.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
  10. 10.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
  11. 11.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
  12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Label: 22 px
    Body text: 21 px
    Menu: 19 px
  13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Footer: 20 px
    Caption: 18 px
    Title: 18 px
    Hint: 15 px
  14. 14.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  15. 15.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
  16. 16.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
  17. 17.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
  18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Menu: 9 px
    Title: 22 px
    (a) Title (b) Menu (c) Footer
  20. 20.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) tiny tap areas (d) colour as the only clue
  21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Footer: 11 px
    Title: 24 px
  22. 22.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) big touch targets
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Footer: 22 px
    Title: 17 px
    Label: 24 px
    (a) Footer (b) Title (c) Label (d) Caption
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Title: 10 px
    Footer: 20 px
    Hint: 18 px
    (a) Title (b) Body text (c) Footer (d) Hint
  25. 25.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) colour as the only clue
  26. 26.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
  27. 27.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  28. 28.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Hint: 11 px
    Caption: 23 px
    Label: 26 px
    Footer: 16 px
    (a) Label (b) Hint (c) Body text (d) Caption
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 13 px
    Caption: 23 px
    Label: 24 px
    Menu: 13 px
  31. 31.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) sudden loud sounds (d) big touch targets
  32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Caption: 16 px
    Body text: 21 px
    Menu: 13 px
    Title: 24 px
  33. 33.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) text that can grow
  34. 34.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) captions on videos (d) fast-flashing lights
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Title: 17 px
    Hint: 23 px
    (a) Footer (b) Hint (c) Title
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 16 px
    Body text: 10 px
    Label: 17 px
    Hint: 16 px
    (a) Label (b) Caption (c) Body text (d) Title
  37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 22 px
    Caption: 15 px
  38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Caption: 24 px
    Label: 22 px
    Body text: 13 px
    Footer: 18 px
  39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (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?
    Hint: 25 px
    Label: 13 px
    Body text: 28 px
    Title: 24 px
    (a) Hint (b) Title (c) Label (d) Body text

Answer key

  1. strong colour contrast
  2. Caption
  3. False
  4. colour as the only clue
  5. Title
  6. 0
  7. icons with no labels
  8. fast-flashing lights
  9. everyone
  10. False
  11. reads the screen aloud
  12. 1
  13. 1
  14. 4
  15. so anyone can follow
  16. False
  17. 1
  18. makes it harder
  19. Menu
  20. text that can grow
  21. 2
  22. big touch targets
  23. Caption
  24. Title
  25. colour as the only clue
  26. True
  27. makes it harder
  28. 10
  29. Hint
  30. 3
  31. sudden loud sounds
  32. 1
  33. icons with no labels
  34. fast-flashing lights
  35. Footer
  36. Body text
  37. 2
  38. 2
  39. helps everyone
  40. Label

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