App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 818 · 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.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 17 px
   Label: 22 px
   Title: 19 px
   Footer: 10 px
   Menu: 11 px
3. 3.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
4. 4.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) sudden loud sounds (d) labels on every icon
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) tiny tap areas
6. 6.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) fast-flashing lights
8. 8.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 16 px
   Menu: 28 px
   Label: 12 px (a) Body text (b) Label (c) Menu
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) icons with no labels (d) fast-flashing lights
11. 11.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
12. 12.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
13. 13.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) captions on videos (d) text that can grow
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) big touch targets
15. 15.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
17. 17.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
19. 19.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
20. 20.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Footer: 15 px
    Hint: 19 px
22. 22.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
23. 23.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
25. 25.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
26. 26.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 11 px
    Caption: 24 px
    Label: 21 px
28. 28.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) big touch targets (d) labels on every icon
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Caption: 23 px
    Menu: 17 px
32. 32.♿ 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
33. 33.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
35. 35.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
36. 36.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) sudden loud sounds
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Hint: 20 px
    Menu: 21 px
38. 38.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) tiny tap areas
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) text that can grow (d) captions on videos
40. 40.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?

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