App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 849 · 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) big touch targets (b) labels on every icon (c) captions on videos (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
3. 3.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
4. 4.♿ 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
5. 5.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the battery (d) the server
7. 7.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
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?
   Menu: 17 px
   Hint: 16 px
   Label: 20 px
   Body text: 21 px
   Footer: 13 px (a) Footer (b) Hint (c) Menu (d) Label
10. 10.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
11. 11.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
12. 12.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Label: 19 px
    Body text: 11 px
    Footer: 24 px
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
15. 15.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
16. 16.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) captions on videos (d) strong colour contrast
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) tiny tap areas
19. 19.♿ A screen has 5 icon buttons. Only 4 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) captions on videos (b) strong colour contrast (c) icons with no labels (d) big touch targets
21. 21.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
22. 22.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) strong colour contrast (d) captions on videos
24. 24.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Title: 25 px
    Body text: 11 px (a) Body text (b) Footer (c) Title
26. 26.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Menu: 20 px
    Footer: 24 px
28. 28.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 21 px
    Body text: 19 px
31. 31.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) tiny tap areas
32. 32.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
33. 33.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Title: 26 px
    Footer: 9 px (a) Menu (b) Footer (c) Title
35. 35.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) icons with no labels (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Body text: 22 px
    Hint: 22 px (a) Body text (b) Hint (c) Menu
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Caption: 13 px
    Footer: 16 px
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Footer: 16 px
    Title: 13 px
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder

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