App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 566 · 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) captions on videos (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
2. 2.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) text that can grow (d) icons with no labels
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Body text: 11 px
   Label: 13 px
   Hint: 24 px
4. 4.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
5. 5.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 19 px
   Hint: 22 px
   Menu: 23 px
   Body text: 22 px
7. 7.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a long animation (d) a bright colour
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) icons with no labels
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
10. 10.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
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.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
15. 15.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Title: 20 px
    Footer: 21 px
    Hint: 18 px
17. 17.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Caption: 23 px
    Label: 16 px
    Body text: 10 px
    Title: 10 px
20. 20.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
22. 22.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
23. 23.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) strong colour contrast (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Body text: 20 px
    Caption: 10 px
    Label: 18 px (a) Caption (b) Body text (c) Hint (d) Label
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Title: 9 px
    Menu: 17 px (a) Title (b) Menu (c) Footer
26. 26.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) colour as the only clue (d) captions on videos
27. 27.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) strong colour contrast
29. 29.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
31. 31.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
32. 32.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) fast-flashing lights (d) icons with no labels
33. 33.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Footer: 18 px
    Caption: 18 px
35. 35.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) sudden loud sounds (d) labels on every icon
36. 36.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Footer: 25 px
    Menu: 11 px
    Body text: 18 px
    Label: 16 px (a) Menu (b) Caption (c) Footer (d) Body text
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Menu: 17 px
    Hint: 13 px
    Caption: 23 px
39. 39.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 18 px
    Title: 21 px
    Label: 11 px (a) Menu (b) Title (c) Label (d) Caption

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