App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 366 · 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.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 11 px
   Title: 17 px
   Caption: 21 px
   Label: 23 px (a) Label (b) Menu (c) Caption (d) Title
4. 4.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 24 px
   Label: 10 px
   Menu: 16 px (a) Label (b) Menu (c) Body text
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Menu: 18 px
   Body text: 12 px
   Label: 15 px
7. 7.♿ A screen has 6 icon buttons. Only 4 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: fast-flashing lights? (a) makes it harder (b) helps everyone
9. 9.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) big touch targets (d) colour as the only clue
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) tiny tap areas (d) labels on every icon
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) text that can grow (d) labels on every icon
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
14. 14.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Label: 20 px
    Footer: 19 px
16. 16.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) fast-flashing lights (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Title: 19 px
    Hint: 22 px
    Label: 16 px
    Menu: 14 px (a) Menu (b) Title (c) Footer (d) Hint
19. 19.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Hint: 13 px
    Caption: 10 px
    Title: 13 px
21. 21.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) tiny tap areas
26. 26.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) big touch targets
27. 27.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) text that can grow
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 15 px
    Body text: 20 px
29. 29.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (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?
    Title: 23 px
    Body text: 14 px
    Footer: 17 px
    Label: 17 px
33. 33.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) fast-flashing lights
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Title: 18 px
    Label: 18 px
36. 36.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
37. 37.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Hint: 9 px
    Body text: 17 px (a) Hint (b) Caption (c) Body text
39. 39.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
40. 40.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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