App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 360 · 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. How many texts on this screen are too small?
   Footer: 19 px
   Body text: 23 px
   Title: 10 px
   Hint: 15 px
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) sudden loud sounds
3. 3.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
5. 5.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) colour as the only clue
6. 6.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) labels on every icon
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Title: 14 px
   Hint: 16 px
   Body text: 19 px
   Label: 28 px (a) Caption (b) Hint (c) Body text (d) Title
8. 8.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) text that can grow
9. 9.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) strong colour contrast (d) labels on every icon
10. 10.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) icons with no labels (d) captions on videos
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 12 px
    Label: 23 px
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
14. 14.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
15. 15.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Label: 26 px
    Menu: 16 px (a) Label (b) Footer (c) Menu
17. 17.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Footer: 24 px
    Body text: 14 px (a) Footer (b) Hint (c) Body text
19. 19.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Label: 18 px
    Hint: 22 px
    Title: 9 px (a) Caption (b) Hint (c) Label (d) Title
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
25. 25.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
26. 26.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
27. 27.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
30. 30.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) tiny tap areas (d) text that can grow
31. 31.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
32. 32.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Footer: 19 px
    Title: 21 px
    Hint: 16 px
    Caption: 10 px (a) Caption (b) Footer (c) Label (d) Title
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.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) colour as the only clue (d) text that can grow
37. 37.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) icons with no labels
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 20 px
    Footer: 17 px
    Caption: 17 px
39. 39.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
40. 40.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False

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