← Accessibility lesson New set →

App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 608 · 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.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
  2. 2.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  3. 3.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
  4. 4.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) tiny tap areas (d) captions on videos
  5. 5.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
  6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 19 px
    Caption: 23 px
    Hint: 10 px
    (a) Footer (b) Menu (c) Caption (d) Hint
  7. 7.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
  8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 16 px
    Title: 21 px
    Label: 16 px
    Footer: 11 px
  9. 9.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
  10. 10.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) big touch targets
  11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Title: 11 px
    Label: 25 px
    Caption: 23 px
    Body text: 25 px
    (a) Title (b) Footer (c) Label (d) Caption
  12. 12.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) tiny tap areas (d) fast-flashing lights
  13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Menu: 20 px
    Title: 21 px
  14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 12 px
    Footer: 13 px
  15. 15.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
  17. 17.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
  18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) text that can grow
  19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Title: 21 px
    Menu: 15 px
    Hint: 12 px
    Body text: 10 px
  20. 20.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
  21. 21.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
  22. 22.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
  23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Menu: 10 px
    Caption: 23 px
    Body text: 10 px
    Footer: 22 px
  24. 24.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
  25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Body text: 10 px
    Title: 21 px
    (a) Menu (b) Body text (c) Title
  26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
  27. 27.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
  28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
  29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Menu: 13 px
    Caption: 20 px
  30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Menu: 16 px
    Label: 9 px
    (a) Menu (b) Label (c) Body text
  31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
  32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Label: 16 px
    Caption: 21 px
    (a) Label (b) Caption (c) Title
  33. 33.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
  34. 34.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
  35. 35.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
  36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Title: 11 px
    Body text: 13 px
    Hint: 13 px
  37. 37.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
  38. 38.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
  39. 39.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
  40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Hint: 20 px
    Label: 24 px
    (a) Label (b) Title (c) Hint

Answer key

  1. helps everyone
  2. 3
  3. 4
  4. tiny tap areas
  5. False
  6. Hint
  7. True
  8. 2
  9. makes it harder
  10. icons with no labels
  11. Title
  12. text that can grow
  13. 0
  14. 2
  15. False
  16. sudden loud sounds
  17. 4
  18. text that can grow
  19. 4
  20. reads the screen aloud
  21. a text label
  22. everyone
  23. 2
  24. labels on every icon
  25. Body text
  26. makes it harder
  27. True
  28. strong colour contrast
  29. 1
  30. Label
  31. makes it harder
  32. Title
  33. 3
  34. True
  35. makes it harder
  36. 4
  37. 5
  38. 4
  39. False
  40. Title

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students