App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 179 · 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 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Hint: 19 px
   Footer: 17 px
   Label: 24 px
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) sudden loud sounds
4. 4.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
6. 6.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
7. 7.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
9. 9.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) fast-flashing lights (d) icons with no labels
10. 10.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) colour as the only clue (d) icons with no labels
12. 12.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
13. 13.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Footer: 12 px
    Hint: 20 px
    Menu: 11 px
15. 15.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) fast-flashing lights
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
17. 17.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Body text: 24 px
    Menu: 20 px
    Label: 23 px
    Hint: 14 px
19. 19.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
21. 21.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) text that can grow (d) colour as the only clue
22. 22.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) fast-flashing lights (d) big touch targets
23. 23.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
24. 24.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Footer: 9 px
    Hint: 26 px (a) Footer (b) Title (c) Hint
26. 26.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) tiny tap areas
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Footer: 15 px
    Menu: 21 px
    Title: 24 px
    Caption: 18 px
29. 29.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
30. 30.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
31. 31.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) text that can grow
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) tiny tap areas
33. 33.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) strong colour contrast
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Label: 25 px
    Footer: 11 px (a) Footer (b) Label (c) Menu
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) big touch targets (d) labels on every icon
37. 37.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) big touch targets (d) labels on every icon
39. 39.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Hint: 24 px
    Title: 15 px
    Body text: 15 px
    Menu: 19 px

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