App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 402 · 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.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) sudden loud sounds
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 15 px
   Body text: 16 px
   Hint: 14 px
   Menu: 17 px
   Label: 12 px
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) labels on every icon
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) captions on videos
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 10 px
   Footer: 18 px
   Hint: 12 px
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 19 px
   Body text: 19 px
   Footer: 19 px
   Hint: 11 px
9. 9.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) labels on every icon
10. 10.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Footer: 24 px
    Hint: 11 px
    Body text: 23 px
    Caption: 24 px
13. 13.♿ 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
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 19 px
    Title: 24 px
    Footer: 23 px (a) Footer (b) Caption (c) Title (d) Label
15. 15.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) tiny tap areas (d) strong colour contrast
16. 16.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) captions on videos
17. 17.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
18. 18.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
19. 19.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) text that can grow
20. 20.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) big touch targets (d) strong colour contrast
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Footer: 14 px
    Title: 11 px
    Label: 14 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Body text: 18 px
    Label: 24 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Label: 21 px
    Footer: 10 px (a) Footer (b) Label (c) Caption
25. 25.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Hint: 20 px
    Label: 16 px
    Menu: 15 px
    Footer: 16 px
28. 28.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
29. 29.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Body text: 17 px
    Footer: 22 px
    Title: 24 px
    Hint: 24 px
31. 31.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Body text: 24 px
    Caption: 23 px
    Title: 18 px
33. 33.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Title: 19 px
    Hint: 12 px
    Label: 13 px
    Menu: 22 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Label: 10 px
    Body text: 22 px
    Footer: 19 px
    Menu: 22 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 17 px
    Label: 24 px
37. 37.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
38. 38.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Caption: 26 px
    Footer: 23 px
    Title: 26 px (a) Footer (b) Caption (c) Label (d) Title

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