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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 323 · 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.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a bright colour (d) a sound
  2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Label: 11 px
    Menu: 19 px
    Title: 25 px
    Caption: 18 px
    (a) Menu (b) Footer (c) Title (d) Label
  3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  4. 4.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  5. 5.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) text that can grow (d) strong colour contrast
  6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
  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 of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) tiny tap areas
  9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  10. 10.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) tiny tap areas
  11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
  12. 12.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  13. 13.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
  14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Title: 23 px
    Body text: 21 px
    Hint: 23 px
    (a) Title (b) Label (c) Body text (d) Hint
  15. 15.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
  16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Menu: 18 px
    Hint: 9 px
    (a) Menu (b) Label (c) Hint
  17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Hint: 12 px
    Body text: 21 px
    Footer: 22 px
    Title: 22 px
    (a) Menu (b) Hint (c) Footer (d) Body text
  18. 18.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
  19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Menu: 18 px
    Label: 20 px
    Title: 16 px
    Hint: 21 px
    (a) Caption (b) Title (c) Label (d) Menu
  20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Caption: 9 px
    Title: 26 px
    Body text: 26 px
    Hint: 23 px
    (a) Body text (b) Title (c) Caption (d) Menu
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Caption: 21 px
    Menu: 27 px
    (a) Caption (b) Label (c) Menu
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Hint: 24 px
    Menu: 22 px
    Body text: 16 px
    Footer: 14 px
    (a) Hint (b) Caption (c) Menu (d) Footer
  24. 24.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  25. 25.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
  26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
  27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
  28. 28.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
  29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Label: 23 px
    Title: 26 px
    (a) Label (b) Title (c) Menu
  30. 30.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
  31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Body text: 12 px
    Hint: 20 px
    Title: 27 px
    (a) Title (b) Hint (c) Menu (d) Body text
  32. 32.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
  33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Body text: 11 px
    Title: 19 px
  34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Menu: 24 px
    Body text: 19 px
    Label: 13 px
    (a) Label (b) Title (c) Body text (d) Menu
  36. 36.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) tiny tap areas
  38. 38.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
  39. 39.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 11 px
    Footer: 18 px
    Caption: 19 px

Answer key

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

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