App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 579 · 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 is the odd one out? (a) fast-flashing lights (b) big touch targets (c) captions on videos (d) labels on every icon
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 18 px
   Menu: 16 px
   Hint: 17 px
   Caption: 12 px
   Title: 12 px
3. 3.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
4. 4.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
5. 5.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
6. 6.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
7. 7.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
9. 9.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Label: 25 px
    Hint: 17 px
    Footer: 26 px (a) Footer (b) Label (c) Body text (d) Hint
13. 13.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Label: 23 px
    Caption: 22 px
    Title: 10 px (a) Title (b) Label (c) Caption (d) Hint
16. 16.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Menu: 22 px
    Footer: 18 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Caption: 24 px
    Label: 11 px (a) Caption (b) Label (c) Body text
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Label: 9 px
    Body text: 24 px
    Caption: 20 px (a) Menu (b) Body text (c) Label (d) Caption
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 24 px
    Body text: 13 px
21. 21.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
25. 25.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) big touch targets
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Label: 13 px
    Menu: 24 px (a) Hint (b) Menu (c) Label
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 14 px
    Hint: 13 px
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Label: 14 px
    Hint: 18 px
    Menu: 16 px
    Body text: 17 px
31. 31.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) labels on every icon (d) tiny tap areas
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Body text: 21 px
    Title: 13 px (a) Body text (b) Label (c) Title
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Menu: 13 px
    Footer: 12 px
    Label: 13 px
34. 34.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) big touch targets
36. 36.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Body text: 21 px
    Footer: 23 px
    Title: 10 px
    Hint: 13 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Label: 11 px
    Body text: 11 px
    Menu: 24 px
    Hint: 10 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Label: 9 px
    Hint: 23 px (a) Label (b) Hint (c) Menu
40. 40.♿ 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

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