App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 799 · 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: 9 px
   Title: 17 px
   Label: 18 px
   Caption: 18 px (a) Caption (b) Title (c) Label (d) Footer
2. 2.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) big touch targets (d) tiny tap areas
4. 4.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 20 px
   Body text: 11 px
   Title: 23 px
6. 6.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) strong colour contrast (d) labels on every icon
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 10 px
   Menu: 23 px
   Body text: 15 px
9. 9.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
10. 10.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
11. 11.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
13. 13.Which of these makes the app harder to use? (a) fast-flashing lights (b) text that can grow (c) strong colour contrast (d) labels on every icon
14. 14.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Title: 18 px
    Label: 28 px
    Hint: 18 px
    Menu: 26 px (a) Label (b) Title (c) Footer (d) Hint
16. 16.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) big touch targets
17. 17.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) colour as the only clue (d) text that can grow
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
19. 19.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
21. 21.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
22. 22.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Label: 22 px
    Title: 21 px
    Hint: 22 px
    Caption: 24 px (a) Hint (b) Body text (c) Title (d) Label
25. 25.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Footer: 22 px
    Title: 12 px
    Label: 17 px
    Body text: 24 px
27. 27.♿ A screen has 11 icon buttons. Only 9 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: 10 px
    Footer: 20 px
    Title: 22 px
    Label: 23 px (a) Footer (b) Label (c) Caption (d) Title
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Label: 17 px
    Menu: 15 px
    Hint: 10 px
    Title: 16 px
30. 30.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 21 px
    Title: 23 px
    Hint: 15 px
    Menu: 22 px
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
36. 36.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) captions on videos
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Menu: 10 px
    Footer: 19 px
    Title: 15 px
    Body text: 12 px
39. 39.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
40. 40.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone

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