App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 425 · 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 helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
2. 2.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
3. 3.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
4. 4.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
5. 5.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
6. 6.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
7. 7.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
8. 8.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
10. 10.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) sudden loud sounds
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) colour as the only clue (d) big touch targets
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Caption: 20 px
    Title: 26 px (a) Title (b) Body text (c) Caption
13. 13.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Body text: 20 px
    Title: 18 px
    Caption: 18 px
    Hint: 19 px (a) Caption (b) Title (c) Body text (d) Label
15. 15.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Caption: 20 px
    Footer: 19 px
    Title: 19 px (a) Footer (b) Caption (c) Title (d) Label
17. 17.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
18. 18.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) labels on every icon
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Caption: 14 px
    Footer: 10 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Caption: 13 px
    Hint: 19 px
    Footer: 26 px
    Title: 26 px (a) Label (b) Footer (c) Hint (d) Caption
23. 23.♿ A screen has 8 icon buttons. Only 2 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: sudden loud sounds? (a) makes it harder (b) helps everyone
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Footer: 16 px
    Hint: 13 px
27. 27.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
30. 30.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) labels on every icon (d) tiny tap areas
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Body text: 18 px
    Label: 20 px
    Footer: 16 px
    Title: 12 px
33. 33.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
34. 34.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) labels on every icon (d) sudden loud sounds
38. 38.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Hint: 16 px
    Label: 17 px (a) Label (b) Hint (c) Menu
40. 40.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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