App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 343 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Caption: 10 px
   Footer: 20 px
   Label: 16 px
   Title: 10 px
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 23 px
   Label: 23 px
   Caption: 24 px
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) sudden loud sounds (d) tiny tap areas
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 16 px
   Hint: 11 px
   Title: 16 px
   Body text: 25 px (a) Title (b) Body text (c) Footer (d) Hint
6. 6.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 11 px
   Caption: 19 px
   Title: 18 px
   Hint: 26 px
   Label: 27 px (a) Hint (b) Caption (c) Title (d) Menu
8. 8.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
9. 9.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) icons with no labels (d) captions on videos
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Title: 11 px
    Caption: 16 px
    Footer: 16 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Menu: 13 px
    Footer: 19 px
    Body text: 18 px
    Title: 13 px
15. 15.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the battery (d) the server
16. 16.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Caption: 20 px
    Hint: 17 px
    Body text: 10 px
18. 18.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 11 px
    Body text: 17 px
    Label: 19 px (a) Footer (b) Menu (c) Label (d) Body text
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Menu: 22 px
    Footer: 12 px
21. 21.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) tiny tap areas (d) colour as the only clue
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Footer: 11 px
    Caption: 17 px
23. 23.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
24. 24.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) fast-flashing lights
25. 25.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 27 px
    Hint: 19 px
    Body text: 23 px (a) Label (b) Caption (c) Hint (d) Body text
27. 27.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
29. 29.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Title: 19 px
    Footer: 22 px
    Hint: 17 px
    Caption: 18 px
31. 31.Which of these helps everyone use the app? (a) big touch targets (b) icons with no labels (c) tiny tap areas (d) colour as the only clue
32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 25 px
    Hint: 10 px (a) Caption (b) Hint (c) Title
34. 34.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
36. 36.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) big touch targets
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Caption: 17 px
    Hint: 25 px
    Label: 13 px (a) Label (b) Caption (c) Hint (d) Body text
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Title: 24 px
    Footer: 15 px
    Body text: 14 px

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