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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 382 · 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. Which text on this screen is too small?
    Footer: 11 px
    Caption: 27 px
    Body text: 22 px     (a) Footer (b) Body text (c) Caption
  2. 2.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
  3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Label: 15 px
    Menu: 20 px
  4. 4.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) sudden loud sounds (d) tiny tap areas
  6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Caption: 23 px
    Body text: 18 px
    Footer: 16 px     (a) Footer (b) Label (c) Body text (d) Caption
  7. 7.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
  8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Hint: 11 px
    Footer: 26 px
    Title: 27 px
    Body text: 16 px     (a) Label (b) Hint (c) Footer (d) Title
  9. 9.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Footer: 21 px
    Body text: 23 px
    Title: 16 px
    Caption: 14 px
  11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Label: 14 px
    Hint: 21 px
    Title: 12 px
  12. 12.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
  13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Menu: 12 px
    Label: 11 px
  14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
  15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Body text: 24 px
    Title: 10 px
    Caption: 26 px     (a) Title (b) Label (c) Body text (d) Caption
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Caption: 13 px
    Menu: 10 px
    Footer: 11 px
    Hint: 16 px
  17. 17.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
  18. 18.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
  19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 21 px
    Label: 25 px     (a) Label (b) Hint (c) Body text
  20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Menu: 15 px
    Body text: 19 px
    Hint: 11 px
  21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) fast-flashing lights
  22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) sudden loud sounds
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Caption: 10 px
    Menu: 27 px     (a) Menu (b) Label (c) Caption
  24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Caption: 18 px
    Footer: 17 px
    Hint: 10 px     (a) Footer (b) Title (c) Hint (d) Caption
  25. 25.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Caption: 19 px
    Body text: 22 px     (a) Title (b) Caption (c) Body text
  27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
  28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Hint: 15 px
    Body text: 17 px
  29. 29.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Title: 19 px
    Caption: 19 px
    Footer: 25 px     (a) Footer (b) Title (c) Caption (d) Hint
  31. 31.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  32. 32.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Menu: 23 px
    Footer: 14 px
    Title: 18 px
    Caption: 20 px     (a) Menu (b) Body text (c) Title (d) Footer
  34. 34.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
  35. 35.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
  36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Menu: 23 px
    Title: 25 px
    Footer: 21 px
    Hint: 20 px     (a) Menu (b) Body text (c) Title (d) Footer
  37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Body text: 14 px
    Hint: 23 px
  38. 38.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) colour as the only clue (d) fast-flashing lights
  39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Title: 28 px
    Menu: 10 px
    Hint: 18 px     (a) Menu (b) Hint (c) Title (d) Footer
  40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue

Answer key

  1. Footer
  2. everyone
  3. 1
  4. False
  5. labels on every icon
  6. Label
  7. False
  8. Hint
  9. helps everyone
  10. 2
  11. 3
  12. helps everyone
  13. 2
  14. helps everyone
  15. Title
  16. 3
  17. True
  18. labels on every icon
  19. Hint
  20. 2
  21. text that can grow
  22. sudden loud sounds
  23. Caption
  24. Hint
  25. 8
  26. Title
  27. colour-blind users
  28. 1
  29. 4
  30. Hint
  31. makes it harder
  32. big touch targets
  33. Footer
  34. a text label
  35. reads the screen aloud
  36. Body text
  37. 1
  38. big touch targets
  39. Menu
  40. strong colour contrast

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