App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 176 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Body text: 13 px
   Title: 25 px (a) Body text (b) Title (c) Hint
2. 2.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
4. 4.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
6. 6.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 20 px
   Menu: 14 px
   Footer: 15 px
   Label: 14 px
8. 8.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) text that can grow
10. 10.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) icons with no labels (d) text that can grow
11. 11.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) colour as the only clue
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Label: 16 px
    Footer: 20 px
15. 15.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
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.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
18. 18.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
19. 19.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) big touch targets (d) colour as the only clue
20. 20.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
23. 23.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Footer: 19 px
    Caption: 20 px (a) Caption (b) Title (c) Footer
25. 25.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
27. 27.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) icons with no labels (d) captions on videos
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Title: 16 px
    Footer: 10 px
    Hint: 17 px (a) Hint (b) Footer (c) Label (d) Title
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 14 px
    Title: 23 px
    Body text: 12 px
33. 33.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) strong colour contrast (d) captions on videos
35. 35.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Title: 14 px
    Caption: 23 px
    Body text: 20 px
37. 37.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) big touch targets
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Caption: 22 px
    Menu: 18 px
39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
40. 40.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) reads the screen aloud (d) plays music

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