App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 787 · 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.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
2. 2.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
3. 3.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 12 px
   Menu: 15 px
   Body text: 15 px
   Caption: 23 px
   Footer: 12 px
5. 5.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 14 px
   Title: 21 px
   Footer: 25 px (a) Footer (b) Body text (c) Title
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 19 px
   Footer: 10 px
   Title: 16 px
   Body text: 23 px
   Menu: 21 px (a) Title (b) Body text (c) Hint (d) Footer
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 14 px
   Footer: 19 px
   Body text: 11 px
   Caption: 17 px
   Hint: 18 px
10. 10.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
11. 11.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) icons with no labels (d) tiny tap areas
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
13. 13.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) strong colour contrast (d) captions on videos
14. 14.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
15. 15.♿ Does this help everyone, or make the app harder to use: big touch targets? (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?
    Menu: 21 px
    Title: 26 px
    Caption: 12 px
    Body text: 25 px
    Hint: 16 px (a) Body text (b) Menu (c) Caption (d) Title
17. 17.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Body text: 13 px
    Hint: 23 px
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Body text: 18 px
    Menu: 23 px
    Caption: 23 px
    Label: 18 px
21. 21.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) tiny tap areas (d) text that can grow
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
25. 25.♿ A screen has 9 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: strong colour contrast? (a) makes it harder (b) helps everyone
27. 27.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Menu: 9 px
    Body text: 25 px (a) Body text (b) Menu (c) Caption
29. 29.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Footer: 10 px
    Hint: 14 px
34. 34.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) big touch targets
35. 35.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) captions on videos (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 24 px
    Hint: 24 px
    Footer: 18 px
    Caption: 21 px (a) Label (b) Body text (c) Hint (d) Footer
37. 37.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) captions on videos
38. 38.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) text that can grow
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Hint: 9 px
    Label: 19 px
    Caption: 19 px (a) Footer (b) Label (c) Caption (d) Hint

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