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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 512 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Caption: 24 px
    Label: 10 px
  2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) tiny tap areas
  3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 24 px
    Footer: 23 px
    Label: 20 px
  4. 4.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Label: 18 px
    Hint: 11 px
  6. 6.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
  7. 7.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
  8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) big touch targets
  9. 9.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  10. 10.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Body text: 14 px
    Caption: 10 px
  12. 12.Which of these makes the app harder to use? (a) fast-flashing lights (b) strong colour contrast (c) text that can grow (d) labels on every icon
  13. 13.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) big touch targets
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Label: 11 px
    Caption: 11 px
    Title: 12 px
  15. 15.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Hint: 22 px
    Label: 18 px
    Body text: 18 px
  17. 17.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
  18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Caption: 10 px
    Footer: 19 px
    Menu: 20 px
    Hint: 13 px
  19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Caption: 24 px
    Body text: 24 px
    Title: 14 px
  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?
    Hint: 12 px
    Caption: 18 px
    Title: 17 px
    Menu: 24 px     (a) Menu (b) Hint (c) Caption (d) Title
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Body text: 28 px
    Menu: 19 px
    Title: 11 px
    Label: 28 px     (a) Caption (b) Title (c) Body text (d) Menu
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 21 px
    Caption: 13 px
    Body text: 28 px     (a) Body text (b) Caption (c) Title
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Caption: 24 px
    Body text: 26 px     (a) Caption (b) Body text (c) Hint
  25. 25.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) tiny tap areas
  26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Caption: 22 px
    Hint: 16 px
    Menu: 24 px
    Label: 13 px
  27. 27.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) sudden loud sounds (d) tiny tap areas
  28. 28.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
  29. 29.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
  30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Body text: 18 px
    Title: 23 px
  31. 31.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
  33. 33.♿ 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
  34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Menu: 13 px
    Hint: 18 px
    Caption: 20 px
  35. 35.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
  36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Footer: 15 px
    Caption: 11 px
    Body text: 24 px
  37. 37.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) sudden loud sounds (d) fast-flashing lights
  38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Label: 28 px
    Menu: 21 px
    Footer: 16 px
    Caption: 23 px     (a) Hint (b) Footer (c) Label (d) Menu
  39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Title: 21 px
    Body text: 16 px
    Footer: 22 px
    Menu: 9 px     (a) Title (b) Hint (c) Body text (d) Menu
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Body text: 11 px
    Hint: 19 px
    Footer: 16 px     (a) Body text (b) Menu (c) Footer (d) Hint

Answer key

  1. 1
  2. big touch targets
  3. 0
  4. False
  5. 2
  6. True
  7. so anyone can follow
  8. icons with no labels
  9. 2
  10. 4
  11. 2
  12. fast-flashing lights
  13. colour as the only clue
  14. 3
  15. False
  16. 1
  17. True
  18. 2
  19. 1
  20. helps everyone
  21. Hint
  22. Title
  23. Caption
  24. Hint
  25. tiny tap areas
  26. 1
  27. text that can grow
  28. helps everyone
  29. True
  30. 1
  31. 6
  32. helps everyone
  33. a text label
  34. 1
  35. reads the screen aloud
  36. 3
  37. captions on videos
  38. Hint
  39. Menu
  40. Body text

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