App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 542 · 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.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Caption: 28 px
   Label: 17 px
   Body text: 14 px
   Hint: 23 px (a) Caption (b) Label (c) Menu (d) Body text
3. 3.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) sudden loud sounds (d) labels on every icon
4. 4.Which of these makes the app harder to use? (a) tiny tap areas (b) big touch targets (c) labels on every icon (d) captions on videos
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) sudden loud sounds (d) colour as the only clue
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
7. 7.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
8. 8.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 16 px
   Menu: 27 px
   Footer: 12 px
   Label: 16 px (a) Footer (b) Menu (c) Label (d) Caption
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Hint: 10 px
    Caption: 12 px
    Title: 23 px
    Footer: 10 px
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
14. 14.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
16. 16.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
18. 18.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
19. 19.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) big touch targets
21. 21.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
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.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 16 px
    Label: 20 px
    Footer: 20 px
    Caption: 22 px (a) Hint (b) Label (c) Footer (d) Menu
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.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
29. 29.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 11 px
    Body text: 17 px
    Title: 24 px
33. 33.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
35. 35.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) tiny tap areas
37. 37.♿ A screen has 11 icon buttons. Only 2 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. How many texts on this screen are too small?
    Menu: 20 px
    Hint: 11 px
    Label: 11 px
    Footer: 10 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Body text: 10 px
    Label: 17 px (a) Body text (b) Footer (c) Label
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False

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