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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 762 · 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: tiny tap areas? (a) makes it harder (b) helps everyone
  2. 2.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) strong colour contrast
  3. 3.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
  4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Footer: 13 px
    Body text: 22 px
    (a) Body text (b) Footer (c) Menu
  5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) icons with no labels
  6. 6.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
  7. 7.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
  8. 8.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
  9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) tiny tap areas (d) icons with no labels
  10. 10.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) strong colour contrast
  11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
  12. 12.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) tiny tap areas
  13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Body text: 19 px
    Caption: 16 px
    Hint: 10 px
  15. 15.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  16. 16.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 15 px
    Hint: 23 px
    Footer: 15 px
    Label: 21 px
  18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Label: 19 px
    Hint: 18 px
    Footer: 22 px
    Caption: 16 px
    (a) Footer (b) Title (c) Hint (d) Label
  19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Title: 14 px
    Menu: 24 px
    (a) Caption (b) Menu (c) Title
  20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (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?
    Body text: 17 px
    Footer: 22 px
    Caption: 19 px
    Title: 11 px
    (a) Footer (b) Title (c) Caption (d) Body text
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Title: 25 px
    Hint: 27 px
    Footer: 23 px
    Caption: 10 px
    (a) Title (b) Hint (c) Caption (d) Label
  23. 23.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
  24. 24.♿ A screen has 9 icon buttons. Only 8 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?
    Label: 19 px
    Title: 13 px
    Body text: 22 px
    Menu: 16 px
    Footer: 21 px
    (a) Body text (b) Title (c) Label (d) Menu
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Caption: 10 px
    Hint: 26 px
    (a) Menu (b) Hint (c) Caption
  27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Body text: 21 px
    Footer: 11 px
    (a) Footer (b) Body text (c) Label
  28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Body text: 21 px
    Menu: 14 px
    Label: 13 px
    Footer: 13 px
  29. 29.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
  30. 30.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
  31. 31.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  32. 32.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Body text: 20 px
    Footer: 16 px
    Caption: 19 px
    (a) Caption (b) Footer (c) Hint (d) Body text
  34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) text that can grow
  35. 35.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 9 px
    Footer: 19 px
    (a) Title (b) Menu (c) Footer
  37. 37.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
  38. 38.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) text that can grow (d) captions on videos
  39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Footer: 11 px
    Body text: 11 px
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Label: 28 px
    Hint: 13 px
    Caption: 19 px
    (a) Label (b) Body text (c) Hint (d) Caption

Answer key

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

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