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App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 306 · 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) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
  2. 2.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) icons with no labels (d) text that can grow
  3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) icons with no labels (d) fast-flashing lights
  4. 4.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
  5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Menu: 24 px
    Caption: 17 px
    Hint: 15 px
    Label: 16 px
  6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
  7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Body text: 10 px
    Label: 12 px
    Menu: 18 px
  8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) fast-flashing lights (d) strong colour contrast
  9. 9.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  10. 10.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
  11. 11.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
  12. 12.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
  13. 13.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
  14. 14.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
  15. 15.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
  16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Menu: 17 px
    Caption: 13 px
    Hint: 20 px
    Body text: 17 px
    (a) Hint (b) Menu (c) Label (d) Caption
  17. 17.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
  18. 18.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) big touch targets
  19. 19.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
  20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Menu: 18 px
    Label: 21 px
    Body text: 20 px
    Title: 15 px
  21. 21.♿ A screen has 8 icon buttons. Only 1 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. Which text on this screen is too small?
    Body text: 11 px
    Footer: 21 px
    Menu: 25 px
    Label: 17 px
    (a) Label (b) Menu (c) Body text (d) Footer
  23. 23.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  24. 24.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  25. 25.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) colour as the only clue
  26. 26.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  27. 27.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
  28. 28.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
  29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Footer: 24 px
    Menu: 24 px
    Title: 20 px
    Caption: 27 px
    (a) Menu (b) Hint (c) Footer (d) Title
  30. 30.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
  31. 31.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) captions on videos
  32. 32.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) text that can grow (d) icons with no labels
  33. 33.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
  34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 22 px
    Hint: 12 px
    Menu: 23 px
    Label: 27 px
    (a) Body text (b) Title (c) Menu (d) Hint
  35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Body text: 23 px
    Hint: 12 px
    Title: 19 px
    (a) Caption (b) Title (c) Hint (d) Body text
  36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Menu: 23 px
    Body text: 22 px
    Label: 17 px
  37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Title: 18 px
    Menu: 11 px
    Hint: 27 px
    (a) Body text (b) Title (c) Hint (d) Menu
  39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) colour as the only clue
  40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

Answer key

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

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