App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 286 · 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.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 24 px
   Body text: 10 px
   Footer: 17 px
   Hint: 23 px
   Title: 16 px (a) Footer (b) Label (c) Hint (d) Body text
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
5. 5.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 20 px
   Hint: 16 px
   Label: 21 px
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
8. 8.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) labels on every icon
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Label: 13 px
    Caption: 10 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 11 px
    Label: 14 px
    Body text: 22 px
    Caption: 24 px
12. 12.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
14. 14.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) big touch targets
15. 15.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
17. 17.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
18. 18.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Footer: 24 px
    Caption: 18 px
    Hint: 24 px (a) Caption (b) Footer (c) Hint (d) Body text
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Caption: 17 px
    Hint: 17 px
21. 21.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) colour as the only clue (d) sudden loud sounds
22. 22.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Footer: 28 px
    Title: 22 px (a) Footer (b) Title (c) Body text
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Title: 26 px
    Menu: 27 px
    Label: 14 px (a) Title (b) Menu (c) Label (d) Body text
25. 25.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Title: 13 px
    Label: 16 px
27. 27.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
29. 29.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) fast-flashing lights (d) captions on videos
30. 30.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
31. 31.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) fast typists (d) the server
32. 32.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
34. 34.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
36. 36.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
37. 37.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Hint: 17 px
    Menu: 24 px
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Title: 14 px
    Footer: 24 px
    Body text: 18 px
    Label: 16 px

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