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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 424 · 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) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) big touch targets
  2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Menu: 12 px
    Title: 10 px
    Body text: 21 px
    Hint: 10 px
  3. 3.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
  4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Caption: 12 px
    Menu: 24 px
    Footer: 23 px
  5. 5.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
  6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Footer: 21 px
    Menu: 23 px
    (a) Menu (b) Body text (c) Footer
  7. 7.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) captions on videos (d) labels on every icon
  8. 8.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
  9. 9.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
  10. 10.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
  11. 11.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
  12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Title: 23 px
    Footer: 21 px
    Label: 10 px
    Body text: 19 px
    (a) Label (b) Footer (c) Hint (d) Title
  13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Hint: 15 px
    Body text: 15 px
  14. 14.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
  15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
  16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
  17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Footer: 14 px
    Menu: 27 px
    (a) Title (b) Menu (c) Footer
  18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
  19. 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) strong colour contrast
  20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Caption: 10 px
    Title: 23 px
  21. 21.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
  22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Menu: 18 px
    Title: 21 px
    Label: 18 px
    Hint: 23 px
  23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Body text: 11 px
    Hint: 10 px
    Footer: 19 px
  24. 24.Which of these makes the app harder to use? (a) fast-flashing lights (b) captions on videos (c) text that can grow (d) labels on every icon
  25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
  26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Menu: 17 px
    Caption: 19 px
    Body text: 19 px
    Label: 26 px
    (a) Body text (b) Caption (c) Footer (d) Menu
  27. 27.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
  28. 28.Which of these makes the app harder to use? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
  29. 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 27 px
    Title: 24 px
    Body text: 16 px
    Caption: 12 px
    (a) Title (b) Caption (c) Footer (d) Hint
  31. 31.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) text that can grow (d) fast-flashing lights
  32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) colour as the only clue (d) tiny tap areas
  33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Body text: 16 px
    Footer: 9 px
    Hint: 23 px
    (a) Title (b) Hint (c) Footer (d) Body text
  34. 34.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) strong colour contrast (d) fast-flashing lights
  35. 35.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  36. 36.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  37. 37.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
  38. 38.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) labels on every icon
  39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Menu: 18 px
    Footer: 20 px
    Body text: 18 px
    Label: 18 px
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Footer: 10 px
    Title: 19 px
    Body text: 18 px
    Caption: 17 px
    (a) Hint (b) Title (c) Body text (d) Footer

Answer key

  1. sudden loud sounds
  2. 4
  3. False
  4. 1
  5. everyone
  6. Body text
  7. tiny tap areas
  8. tiny tap areas
  9. False
  10. reads the screen aloud
  11. so anyone can follow
  12. Label
  13. 2
  14. True
  15. helps everyone
  16. captions on videos
  17. Footer
  18. makes it harder
  19. strong colour contrast
  20. 2
  21. 1
  22. 0
  23. 3
  24. fast-flashing lights
  25. labels on every icon
  26. Footer
  27. False
  28. colour as the only clue
  29. helps everyone
  30. Caption
  31. text that can grow
  32. captions on videos
  33. Footer
  34. strong colour contrast
  35. 1
  36. 3
  37. big touch targets
  38. colour as the only clue
  39. 0
  40. Footer

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