App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 588 · 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) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) colour as the only clue
2. 2.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 10 px
   Label: 20 px
   Menu: 12 px
   Hint: 12 px
4. 4.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) captions on videos
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 20 px
   Menu: 16 px
   Footer: 28 px
   Title: 25 px
   Body text: 14 px (a) Footer (b) Hint (c) Body text (d) Menu
7. 7.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 19 px
   Footer: 14 px
   Title: 14 px
   Caption: 10 px
9. 9.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) labels on every icon
10. 10.Which of these makes the app harder to use? (a) sudden loud sounds (b) text that can grow (c) big touch targets (d) labels on every icon
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 12 px
    Label: 27 px (a) Caption (b) Label (c) Hint
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Footer: 27 px
    Caption: 9 px
    Body text: 23 px
    Title: 17 px (a) Hint (b) Footer (c) Caption (d) Body text
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.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) the battery (d) fast typists
16. 16.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
18. 18.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) icons with no labels
19. 19.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
20. 20.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) big touch targets
21. 21.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 13 px
    Menu: 24 px
    Hint: 15 px
    Body text: 15 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Label: 10 px
    Menu: 24 px (a) Label (b) Menu (c) Title
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Hint: 19 px
    Body text: 13 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 22 px
    Footer: 24 px (a) Label (b) Caption (c) Footer
26. 26.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Label: 18 px
    Hint: 17 px
    Caption: 16 px
28. 28.♿ A screen has 6 icon buttons. Only 3 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?
    Title: 23 px
    Body text: 24 px
    Hint: 12 px
    Label: 12 px
    Caption: 18 px
30. 30.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
31. 31.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) fast-flashing lights (d) sudden loud sounds
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Hint: 12 px
    Body text: 13 px
    Title: 16 px
34. 34.♿ A screen has 5 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.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) labels on every icon (d) fast-flashing lights
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) labels on every icon (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
39. 39.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) icons with no labels (d) text that can grow

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