App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 132 · 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.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 19 px
   Footer: 22 px
   Menu: 10 px
   Title: 21 px (a) Body text (b) Menu (c) Title (d) Footer
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Footer: 10 px
   Label: 22 px
4. 4.♿ 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
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 9 px
   Title: 25 px
   Caption: 20 px (a) Caption (b) Title (c) Label
6. 6.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) text that can grow
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) labels on every icon (d) text that can grow
8. 8.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) strong colour contrast (d) sudden loud sounds
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
11. 11.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
12. 12.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) text that can grow (d) labels on every icon
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) icons with no labels (d) text that can grow
15. 15.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Title: 14 px
    Label: 19 px
    Caption: 17 px (a) Title (b) Menu (c) Caption (d) Label
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Menu: 16 px
    Hint: 10 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Label: 20 px
    Title: 26 px
    Hint: 25 px
    Menu: 22 px (a) Hint (b) Label (c) Title (d) Caption
19. 19.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) labels on every icon (d) sudden loud sounds
21. 21.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
22. 22.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) labels on every icon
23. 23.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
24. 24.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Hint: 16 px
    Body text: 23 px (a) Footer (b) Body text (c) Hint
26. 26.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
28. 28.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) tiny tap areas
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 17 px
    Body text: 15 px
    Hint: 22 px
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 20 px
    Hint: 18 px
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
33. 33.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 14 px
    Body text: 12 px
    Hint: 18 px
    Label: 22 px
36. 36.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
37. 37.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
38. 38.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) icons with no labels (d) big touch targets
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) colour as the only clue (d) strong colour contrast

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