App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 309 · 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.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 11 px
   Body text: 23 px
   Label: 16 px (a) Body text (b) Label (c) Title
5. 5.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
6. 6.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) captions on videos (d) text that can grow
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 17 px
   Footer: 24 px
   Menu: 18 px
   Label: 10 px
   Body text: 13 px
8. 8.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) tiny tap areas
10. 10.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) captions on videos (d) sudden loud sounds
11. 11.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
12. 12.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
13. 13.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
14. 14.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) labels on every icon
16. 16.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) colour as the only clue (d) fast-flashing lights
17. 17.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) labels on every icon
20. 20.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) text that can grow
21. 21.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) tiny tap areas
23. 23.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Footer: 12 px
    Hint: 24 px
    Caption: 12 px
    Menu: 13 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Body text: 22 px
    Title: 12 px
26. 26.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) strong colour contrast (d) big touch targets
27. 27.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) colour as the only clue
31. 31.♿ 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
32. 32.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Menu: 9 px
    Hint: 19 px (a) Hint (b) Menu (c) Label
35. 35.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) strong colour contrast
37. 37.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
38. 38.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
39. 39.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False

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