App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 631 · 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. Which text on this screen is too small?
   Footer: 26 px
   Label: 25 px
   Hint: 13 px
   Menu: 17 px
   Body text: 17 px (a) Label (b) Footer (c) Hint (d) Menu
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
3. 3.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
4. 4.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
6. 6.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
7. 7.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) text that can grow
8. 8.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
9. 9.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) labels on every icon
10. 10.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
11. 11.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
13. 13.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
14. 14.♿ A screen has 11 icon buttons. Only 8 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. Which text on this screen is too small?
    Label: 12 px
    Hint: 25 px
    Caption: 27 px (a) Caption (b) Hint (c) Label
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
17. 17.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) captions on videos (d) fast-flashing lights
19. 19.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Body text: 13 px
    Title: 21 px
21. 21.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Footer: 23 px
    Caption: 16 px
    Label: 16 px (a) Label (b) Title (c) Caption (d) Footer
23. 23.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
25. 25.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
27. 27.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Menu: 17 px
    Body text: 17 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Caption: 25 px
    Footer: 21 px (a) Caption (b) Footer (c) Label
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Footer: 19 px
    Menu: 25 px (a) Footer (b) Menu (c) Label
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Title: 12 px
    Body text: 11 px
    Caption: 10 px
    Label: 16 px
34. 34.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon
35. 35.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
36. 36.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) text that can grow
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
40. 40.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) colour as the only clue (d) sudden loud sounds

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