App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 638 · 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.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
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 helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
4. 4.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) text that can grow
6. 6.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
7. 7.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) captions on videos
8. 8.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 13 px
   Title: 23 px
   Footer: 16 px
   Label: 22 px (a) Menu (b) Label (c) Footer (d) Title
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Hint: 13 px
    Footer: 24 px (a) Hint (b) Footer (c) Caption
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Hint: 16 px
    Label: 21 px
    Footer: 15 px
13. 13.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) colour as the only clue
14. 14.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
15. 15.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) colour as the only clue
17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
18. 18.♿ 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
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
20. 20.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) sudden loud sounds
22. 22.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
24. 24.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 22 px
    Footer: 21 px
    Label: 13 px (a) Footer (b) Body text (c) Menu (d) Label
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Footer: 22 px
    Hint: 14 px (a) Menu (b) Footer (c) Hint
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Caption: 12 px
    Footer: 12 px
    Body text: 24 px
    Hint: 17 px
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) icons with no labels (d) labels on every icon
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Menu: 19 px
    Footer: 21 px
    Caption: 10 px
    Label: 17 px
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) fast-flashing lights (d) labels on every icon
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Footer: 20 px
    Caption: 10 px (a) Footer (b) Caption (c) Title
36. 36.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Footer: 21 px
    Body text: 14 px
    Label: 28 px (a) Label (b) Body text (c) Footer (d) Title
40. 40.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder

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