App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 200 · 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?
   Hint: 24 px
   Label: 21 px
   Footer: 20 px
   Caption: 17 px
2. 2.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
4. 4.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) sudden loud sounds
7. 7.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
8. 8.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) fast-flashing lights
9. 9.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
12. 12.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
13. 13.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
14. 14.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) tiny tap areas
15. 15.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) captions on videos (d) colour as the only clue
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Menu: 16 px
    Footer: 9 px (a) Footer (b) Body text (c) Menu
18. 18.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 23 px
    Label: 12 px
    Caption: 21 px
    Footer: 16 px
20. 20.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) strong colour contrast (d) labels on every icon
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Footer: 19 px
    Menu: 21 px
22. 22.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
23. 23.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
24. 24.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Caption: 20 px
    Body text: 16 px
27. 27.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
28. 28.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
29. 29.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
30. 30.Which of these helps everyone use the app? (a) sudden loud sounds (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
31. 31.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Body text: 11 px
    Menu: 15 px
    Title: 13 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Hint: 24 px
    Label: 10 px
    Body text: 10 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Hint: 24 px
    Label: 18 px
    Caption: 22 px (a) Hint (b) Caption (c) Body text (d) Label
36. 36.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) icons with no labels
37. 37.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Label: 14 px
    Caption: 20 px
    Hint: 22 px
    Menu: 21 px
39. 39.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True

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