App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 857 · 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) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
2. 2.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 22 px
   Title: 19 px
   Caption: 16 px
5. 5.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) fast-flashing lights
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 25 px
   Body text: 20 px
   Caption: 10 px (a) Body text (b) Caption (c) Menu
7. 7.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
8. 8.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
9. 9.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Title: 12 px
    Menu: 23 px
    Label: 21 px
    Hint: 19 px
11. 11.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) text that can grow (d) captions on videos
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.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Caption: 24 px
    Body text: 17 px
    Footer: 25 px (a) Caption (b) Body text (c) Footer (d) Hint
16. 16.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) colour as the only clue (d) labels on every icon
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 16 px
    Caption: 19 px
    Label: 19 px
    Footer: 18 px (a) Title (b) Hint (c) Caption (d) Label
19. 19.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
20. 20.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Caption: 11 px
    Footer: 19 px
22. 22.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
23. 23.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Menu: 13 px
    Hint: 11 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Label: 19 px
    Title: 21 px
    Menu: 22 px
    Hint: 16 px
26. 26.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Menu: 27 px
    Footer: 11 px (a) Label (b) Footer (c) Menu
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Footer: 17 px
    Label: 10 px (a) Label (b) Footer (c) Hint
29. 29.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Menu: 22 px
    Hint: 11 px
    Title: 23 px
32. 32.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) big touch targets (d) strong colour contrast
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
35. 35.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
36. 36.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) big touch targets (d) text that can grow
40. 40.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) fast-flashing lights (d) strong colour contrast

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