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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 207 · 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?
    Caption: 18 px
    Body text: 24 px
    Menu: 14 px
    (a) Caption (b) Body text (c) Menu
  2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
  3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Caption: 28 px
    Label: 11 px
    (a) Caption (b) Label (c) Hint
  4. 4.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  5. 5.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
  6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) labels on every icon
  7. 7.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
  8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Caption: 24 px
    Title: 17 px
    Label: 22 px
    Footer: 9 px
    (a) Title (b) Footer (c) Caption (d) Menu
  9. 9.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) tiny tap areas
  10. 10.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) captions on videos
  11. 11.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) colour as the only clue
  12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Body text: 14 px
    Hint: 24 px
  13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Caption: 16 px
    Title: 17 px
  14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
  15. 15.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
  16. 16.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
  17. 17.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) big touch targets
  18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Label: 15 px
    Title: 20 px
    Body text: 17 px
    Caption: 10 px
  19. 19.♿ 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
  20. 20.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) strong colour contrast (d) text that can grow
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Menu: 27 px
    Body text: 11 px
    Title: 25 px
    Caption: 18 px
    (a) Title (b) Menu (c) Body text (d) Hint
  23. 23.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
  24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Caption: 17 px
    Footer: 17 px
    Body text: 23 px
  25. 25.♿ A screen has 7 icon buttons. Only 1 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?
    Label: 16 px
    Caption: 26 px
    Footer: 18 px
    Body text: 23 px
    Title: 10 px
    (a) Label (b) Footer (c) Title (d) Caption
  27. 27.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  28. 28.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) fast-flashing lights
  29. 29.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
  30. 30.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Hint: 19 px
    Menu: 17 px
    Caption: 14 px
    Footer: 19 px
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Menu: 23 px
    Label: 16 px
    (a) Hint (b) Label (c) Menu
  33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) labels on every icon
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Label: 26 px
    Menu: 16 px
    (a) Label (b) Menu (c) Title
  35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Label: 24 px
    Caption: 26 px
    (a) Label (b) Body text (c) Caption
  37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Title: 18 px
    Menu: 26 px
    Caption: 13 px
    Label: 26 px
    (a) Title (b) Menu (c) Hint (d) Caption
  38. 38.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
  39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 24 px
    Footer: 15 px
    Title: 21 px
  40. 40.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder

Answer key

  1. Menu
  2. strong colour contrast
  3. Label
  4. 8
  5. everyone
  6. labels on every icon
  7. captions on videos
  8. Footer
  9. tiny tap areas
  10. tiny tap areas
  11. colour as the only clue
  12. 1
  13. 1
  14. makes it harder
  15. False
  16. makes it harder
  17. fast-flashing lights
  18. 2
  19. a text label
  20. 9
  21. icons with no labels
  22. Body text
  23. so anyone can follow
  24. 0
  25. 6
  26. Title
  27. 4
  28. fast-flashing lights
  29. makes it harder
  30. 11
  31. 1
  32. Hint
  33. labels on every icon
  34. Title
  35. helps everyone
  36. Body text
  37. Caption
  38. 1
  39. 2
  40. makes it harder

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