App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 67 · 40 questions

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.

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

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