App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 824 · 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.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 17 px
   Menu: 14 px
   Footer: 18 px
   Label: 12 px
   Title: 20 px
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Hint: 19 px
   Footer: 12 px
   Label: 14 px
4. 4.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 12 px
   Body text: 11 px
   Footer: 19 px
   Label: 13 px
   Menu: 13 px
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) sudden loud sounds (d) icons with no labels
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 13 px
   Body text: 19 px
   Caption: 22 px
   Label: 17 px
   Hint: 15 px
8. 8.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) strong colour contrast
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 24 px
   Menu: 22 px
   Caption: 17 px
   Hint: 12 px
   Footer: 14 px
10. 10.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
11. 11.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
12. 12.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
13. 13.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
14. 14.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 27 px
    Title: 23 px (a) Body text (b) Footer (c) Title
18. 18.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
20. 20.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
21. 21.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Title: 20 px
    Label: 13 px
23. 23.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Title: 17 px
    Body text: 23 px (a) Title (b) Body text (c) Menu
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.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) text that can grow
28. 28.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 20 px
    Label: 14 px
    Body text: 16 px
    Menu: 10 px
31. 31.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) labels on every icon (d) captions on videos
32. 32.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) text that can grow
33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) tiny tap areas
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Body text: 23 px
    Caption: 16 px (a) Caption (b) Title (c) Body text
36. 36.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) labels on every icon
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) text that can grow
38. 38.♿ A screen has 12 icon buttons. Only 3 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) text that can grow (b) fast-flashing lights (c) sudden loud sounds (d) colour as the only clue
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Body text: 17 px
    Label: 18 px (a) Label (b) Hint (c) Body text

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