App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 426 · 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 makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) strong colour contrast (d) text that can grow
2. 2.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
3. 3.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) sudden loud sounds (d) text that can grow
4. 4.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) tiny tap areas
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
8. 8.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 15 px
   Hint: 19 px
   Menu: 13 px
10. 10.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) colour as the only clue
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Caption: 13 px
    Menu: 17 px
    Footer: 21 px
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
14. 14.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Body text: 21 px
    Menu: 24 px
    Label: 15 px
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
17. 17.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
18. 18.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
21. 21.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
22. 22.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Title: 19 px
    Caption: 19 px
    Label: 18 px (a) Caption (b) Body text (c) Label (d) Title
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Title: 16 px
    Caption: 15 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Footer: 19 px
    Title: 9 px
    Caption: 25 px (a) Menu (b) Title (c) Caption (d) Footer
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Caption: 11 px
    Label: 19 px
    Hint: 16 px
    Menu: 18 px
27. 27.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
28. 28.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Title: 22 px
    Footer: 14 px
    Body text: 11 px
    Caption: 18 px
30. 30.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) text that can grow (d) strong colour contrast
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Caption: 14 px
    Body text: 23 px
    Footer: 12 px
    Menu: 23 px
33. 33.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
34. 34.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
35. 35.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
38. 38.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) text that can grow
39. 39.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) icons with no labels

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