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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 782 · 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.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
  2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 15 px
    Caption: 12 px
    Body text: 15 px
  3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
  4. 4.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
  5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Hint: 25 px
    Body text: 18 px
    Menu: 9 px
    (a) Body text (b) Caption (c) Hint (d) Menu
  6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 13 px
    Body text: 12 px
    Caption: 16 px
    Title: 22 px
  7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Hint: 13 px
    Label: 15 px
    Caption: 12 px
    Footer: 15 px
  8. 8.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
  9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 20 px
    Caption: 19 px
    Label: 23 px
    Menu: 19 px
  10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Title: 12 px
    Menu: 11 px
    Hint: 14 px
    Body text: 15 px
  11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
  12. 12.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
  13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
  14. 14.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
  15. 15.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
  16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
  17. 17.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
  18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Menu: 12 px
    Title: 11 px
  20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Hint: 24 px
    Label: 28 px
    (a) Label (b) Caption (c) Hint
  21. 21.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
  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
    Title: 12 px
    Label: 16 px
    Body text: 23 px
    (a) Label (b) Body text (c) Caption (d) Title
  24. 24.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) captions on videos
  25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Body text: 25 px
    Title: 13 px
    Menu: 26 px
    Label: 28 px
    (a) Menu (b) Title (c) Body text (d) Caption
  26. 26.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
  27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Body text: 16 px
    Menu: 11 px
    Footer: 28 px
    (a) Caption (b) Body text (c) Footer (d) Menu
  29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Title: 10 px
    Caption: 16 px
    Body text: 22 px
  30. 30.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) colour as the only clue (d) fast-flashing lights
  31. 31.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) fast-flashing lights (d) icons with no labels
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Menu: 16 px
    Label: 25 px
    (a) Label (b) Footer (c) Menu
  33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  34. 34.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
  35. 35.Which of these helps everyone use the app? (a) colour as the only clue (b) text that can grow (c) sudden loud sounds (d) tiny tap areas
  36. 36.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  37. 37.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  38. 38.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
  39. 39.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
  40. 40.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) strong colour contrast (d) tiny tap areas

Answer key

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

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