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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 646 · 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.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) colour as the only clue
  3. 3.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
  4. 4.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
  5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
  7. 7.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) text that can grow
  8. 8.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) big touch targets (d) sudden loud sounds
  9. 9.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) labels on every icon
  10. 10.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music
  11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Label: 21 px
    Caption: 20 px
    Menu: 20 px     (a) Hint (b) Caption (c) Label (d) Menu
  12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Title: 28 px
    Hint: 19 px
    Body text: 26 px
    Menu: 12 px     (a) Hint (b) Menu (c) Title (d) Label
  13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
  14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Hint: 18 px
    Title: 26 px
    Menu: 18 px
    Body text: 9 px     (a) Title (b) Caption (c) Hint (d) Body text
  15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 18 px
    Menu: 14 px
    Title: 22 px
  16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Title: 16 px
    Label: 22 px
  17. 17.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Body text: 16 px
    Title: 19 px
    Menu: 28 px
    Label: 24 px     (a) Caption (b) Menu (c) Body text (d) Title
  19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
  20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Footer: 11 px
    Hint: 24 px
    Body text: 16 px
    Caption: 19 px     (a) Hint (b) Label (c) Body text (d) Footer
  21. 21.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
  22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Caption: 13 px
    Hint: 26 px
    Menu: 23 px     (a) Caption (b) Menu (c) Body text (d) Hint
  23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Body text: 11 px
    Footer: 24 px     (a) Body text (b) Footer (c) Hint
  24. 24.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  25. 25.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) big touch targets
  26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 14 px
    Hint: 10 px
    Footer: 24 px
    Title: 21 px
  27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Menu: 20 px
    Title: 26 px     (a) Title (b) Menu (c) Body text
  28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 14 px
    Label: 17 px
    Body text: 10 px
  29. 29.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) strong colour contrast (d) labels on every icon
  30. 30.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) tiny tap areas
  31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Title: 17 px
    Footer: 27 px
    Body text: 19 px
    Hint: 22 px     (a) Footer (b) Title (c) Body text (d) Menu
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Caption: 19 px
    Label: 20 px
    Title: 13 px     (a) Title (b) Caption (c) Body text (d) Label
  33. 33.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 21 px
    Menu: 22 px
    Label: 19 px
    Hint: 25 px     (a) Body text (b) Label (c) Footer (d) Menu
  35. 35.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
  36. 36.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  37. 37.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
  38. 38.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  39. 39.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  40. 40.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) icons with no labels (d) sudden loud sounds

Answer key

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

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