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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 710 · 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.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
  2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
  3. 3.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) icons with no labels
  5. 5.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  6. 6.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
  7. 7.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) strong colour contrast
  8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Body text: 13 px
    Title: 22 px
    (a) Title (b) Hint (c) Body text
  9. 9.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
  10. 10.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
  11. 11.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) strong colour contrast
  12. 12.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
  13. 13.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Title: 11 px
    Caption: 13 px
    Hint: 12 px
    Body text: 22 px
  15. 15.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
  16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Body text: 21 px
    Caption: 27 px
    (a) Body text (b) Caption (c) Hint
  17. 17.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
  18. 18.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  19. 19.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
  20. 20.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) big touch targets
  21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Caption: 12 px
    Footer: 22 px
    (a) Caption (b) Hint (c) Footer
  22. 22.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Menu: 27 px
    Hint: 25 px
    Label: 12 px
    (a) Menu (b) Title (c) Hint (d) Label
  24. 24.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Caption: 14 px
    Footer: 20 px
    Label: 20 px
    Hint: 27 px
    (a) Caption (b) Title (c) Footer (d) Label
  26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Title: 12 px
    Footer: 15 px
    Body text: 21 px
    Hint: 11 px
  27. 27.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Footer: 26 px
    Menu: 25 px
    Caption: 9 px
    Label: 17 px
    (a) Menu (b) Title (c) Caption (d) Footer
  29. 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
  30. 30.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
  31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Title: 24 px
    Hint: 27 px
    (a) Hint (b) Title (c) Label
  32. 32.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 9 px
    Title: 20 px
    (a) Label (b) Title (c) Footer
  34. 34.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) captions on videos (d) strong colour contrast
  36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
  37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Body text: 27 px
    Menu: 10 px
    Title: 22 px
    (a) Label (b) Title (c) Body text (d) Menu
  38. 38.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  39. 39.♿ A screen has 7 icon buttons. Only 5 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. Which text on this screen is too small?
    Hint: 10 px
    Menu: 22 px
    Caption: 18 px
    Title: 18 px
    Body text: 23 px
    (a) Menu (b) Title (c) Hint (d) Caption

Answer key

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

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