App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 328 · 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?
   Footer: 20 px
   Body text: 20 px
   Hint: 20 px
   Label: 11 px
   Menu: 10 px
2. 2.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 17 px
   Body text: 14 px
   Footer: 24 px
6. 6.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
7. 7.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) strong colour contrast (d) labels on every icon
8. 8.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
9. 9.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) big touch targets (d) icons with no labels
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) strong colour contrast
13. 13.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) captions on videos
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Title: 19 px
    Menu: 13 px
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Footer: 14 px
    Label: 16 px
16. 16.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
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.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
19. 19.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) labels on every icon
21. 21.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Title: 15 px
    Menu: 21 px
    Footer: 17 px
    Hint: 17 px
23. 23.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Body text: 18 px
    Title: 20 px
    Footer: 16 px
    Hint: 23 px (a) Footer (b) Body text (c) Title (d) Menu
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Menu: 18 px
    Title: 23 px
    Label: 10 px (a) Menu (b) Label (c) Title (d) Caption
26. 26.♿ 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
27. 27.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
29. 29.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) big touch targets
30. 30.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Title: 12 px
    Label: 21 px (a) Menu (b) Title (c) Label
33. 33.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) tiny tap areas (d) strong colour contrast
34. 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
35. 35.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) captions on videos (d) sudden loud sounds
36. 36.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Menu: 27 px
    Title: 20 px (a) Body text (b) Menu (c) Title
38. 38.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
39. 39.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) text that can grow
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Body text: 14 px
    Footer: 22 px
    Hint: 22 px (a) Hint (b) Footer (c) Body text (d) Menu

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