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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 687 · 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.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
  2. 2.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  3. 3.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) sudden loud sounds
  4. 4.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) big touch targets (d) captions on videos
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Menu: 13 px
    Hint: 14 px
    Caption: 20 px
  6. 6.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
  7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Body text: 20 px
    Hint: 14 px
    Label: 25 px
    Menu: 24 px
    (a) Label (b) Body text (c) Hint (d) Title
  8. 8.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) icons with no labels
  9. 9.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  11. 11.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) text that can grow (d) colour as the only clue
  12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 23 px
    Menu: 12 px
    (a) Label (b) Menu (c) Title
  13. 13.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
  14. 14.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  15. 15.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
  16. 16.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  17. 17.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) sudden loud sounds
  18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 24 px
    Footer: 20 px
    Caption: 23 px
    (a) Hint (b) Caption (c) Menu (d) Footer
  19. 19.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
  20. 20.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) colour as the only clue (d) icons with no labels
  21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Menu: 19 px
    Body text: 10 px
    Hint: 21 px
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Body text: 22 px
    Caption: 10 px
    Menu: 16 px
    (a) Label (b) Caption (c) Body text (d) Menu
  23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
  24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
  25. 25.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
  26. 26.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 23 px
    Label: 17 px
    Hint: 13 px
    Body text: 25 px
    (a) Label (b) Title (c) Hint (d) Footer
  28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Title: 25 px
    Caption: 25 px
    (a) Caption (b) Hint (c) Title
  29. 29.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Title: 22 px
    Body text: 12 px
  31. 31.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
  32. 32.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) labels on every icon
  33. 33.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) tiny tap areas
  34. 34.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
  35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
  36. 36.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  37. 37.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Title: 15 px
    Label: 17 px
    Body text: 15 px
  39. 39.♿ A screen has 12 icon buttons. Only 4 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?
    Menu: 18 px
    Title: 9 px
    Footer: 27 px
    Body text: 23 px
    (a) Body text (b) Title (c) Menu (d) Footer

Answer key

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

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