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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 648 · 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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
  2. 2.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
  3. 3.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
  4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
  5. 5.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
  7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Footer: 19 px
    Label: 14 px
    Title: 21 px
    Body text: 16 px
  8. 8.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
  10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Caption: 13 px
    Label: 22 px
    Footer: 23 px
    Body text: 17 px
    (a) Label (b) Caption (c) Footer (d) Title
  11. 11.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) icons with no labels
  12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
  14. 14.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
  15. 15.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
  16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Caption: 18 px
    Title: 13 px
    (a) Body text (b) Title (c) Caption
  17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 21 px
    Hint: 17 px
    (a) Body text (b) Menu (c) Hint
  18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) tiny tap areas (d) colour as the only clue
  19. 19.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
  20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Hint: 20 px
    Caption: 17 px
    Label: 12 px
  21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Menu: 25 px
    Footer: 26 px
    Hint: 22 px
    Caption: 18 px
    (a) Footer (b) Hint (c) Body text (d) Menu
  22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Title: 24 px
    Menu: 14 px
    Label: 17 px
  23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Menu: 18 px
    Footer: 19 px
    Label: 10 px
    Title: 13 px
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Body text: 13 px
    Caption: 22 px
    Footer: 22 px
    Menu: 17 px
    (a) Caption (b) Footer (c) Hint (d) Body text
  25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Hint: 23 px
    Caption: 18 px
    (a) Hint (b) Caption (c) Body text
  26. 26.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  27. 27.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) captions on videos
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Body text: 23 px
    Menu: 17 px
    Caption: 9 px
    (a) Caption (b) Body text (c) Title (d) Menu
  29. 29.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) sudden loud sounds
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 27 px
    Menu: 28 px
    (a) Title (b) Menu (c) Caption
  31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Hint: 10 px
    Caption: 27 px
    Menu: 18 px
    Title: 22 px
    (a) Hint (b) Label (c) Caption (d) Menu
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Footer: 26 px
    Title: 28 px
    Caption: 27 px
    (a) Caption (b) Title (c) Label (d) Footer
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 9 px
    Title: 17 px
    (a) Footer (b) Title (c) Hint
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Label: 19 px
    Caption: 25 px
    (a) Caption (b) Body text (c) Label
  35. 35.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) icons with no labels (d) colour as the only clue
  36. 36.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
  37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Hint: 25 px
    Footer: 26 px
    Caption: 22 px
    (a) Caption (b) Footer (c) Body text (d) Hint
  38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Label: 26 px
    Footer: 26 px
    Title: 25 px
    Caption: 26 px
    (a) Label (b) Hint (c) Footer (d) Title
  39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Title: 16 px
    Menu: 16 px
  40. 40.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False

Answer key

  1. makes it harder
  2. labels on every icon
  3. so anyone can follow
  4. helps everyone
  5. 3
  6. labels on every icon
  7. 1
  8. 8
  9. makes it harder
  10. Caption
  11. captions on videos
  12. True
  13. text that can grow
  14. helps everyone
  15. makes it harder
  16. Title
  17. Menu
  18. text that can grow
  19. everyone
  20. 2
  21. Body text
  22. 2
  23. 3
  24. Body text
  25. Body text
  26. 5
  27. icons with no labels
  28. Caption
  29. sudden loud sounds
  30. Caption
  31. Hint
  32. Label
  33. Footer
  34. Body text
  35. strong colour contrast
  36. False
  37. Body text
  38. Hint
  39. 1
  40. False

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