App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 672 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 16 px
   Caption: 24 px
   Body text: 10 px
   Label: 27 px
   Title: 26 px (a) Caption (b) Label (c) Footer (d) Body text
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 13 px
   Title: 10 px
   Hint: 10 px
   Caption: 11 px
   Label: 19 px
5. 5.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
6. 6.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 22 px
   Menu: 28 px
   Caption: 27 px
   Hint: 27 px
   Body text: 13 px (a) Body text (b) Caption (c) Menu (d) Footer
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 15 px
   Menu: 12 px
   Caption: 11 px
   Title: 18 px
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) text that can grow (d) tiny tap areas
10. 10.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
11. 11.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
12. 12.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Menu: 24 px
    Label: 10 px
14. 14.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Menu: 23 px
    Title: 9 px
    Body text: 28 px (a) Title (b) Body text (c) Menu (d) Hint
16. 16.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
18. 18.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) colour as the only clue
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Menu: 14 px
    Label: 19 px
20. 20.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) icons with no labels (d) sudden loud sounds
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) colour as the only clue (d) big touch targets
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) fast-flashing lights (d) icons with no labels
23. 23.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
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) big touch targets (b) text that can grow (c) sudden loud sounds (d) captions on videos
26. 26.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Body text: 11 px
    Menu: 23 px
    Caption: 18 px
28. 28.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Caption: 20 px
    Hint: 11 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Hint: 18 px
    Title: 23 px
31. 31.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Body text: 16 px
    Caption: 12 px
34. 34.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 5 icon buttons. Only 3 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Body text: 9 px
    Menu: 27 px (a) Body text (b) Hint (c) Menu
39. 39.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
40. 40.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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