App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 408 · 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.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
2. 2.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) captions on videos (d) text that can grow
4. 4.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) colour as the only clue (d) strong colour contrast
5. 5.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) strong colour contrast
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Label: 24 px
   Caption: 17 px
   Menu: 11 px
   Title: 20 px (a) Caption (b) Menu (c) Label (d) Hint
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Title: 10 px
   Caption: 21 px
9. 9.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Footer: 27 px
    Label: 24 px (a) Footer (b) Title (c) Label
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Hint: 11 px
    Menu: 24 px
    Caption: 28 px (a) Menu (b) Label (c) Hint (d) Caption
13. 13.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
14. 14.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Footer: 15 px
    Hint: 18 px
    Body text: 13 px
    Label: 22 px
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) fast-flashing lights (d) strong colour contrast
17. 17.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
18. 18.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Caption: 21 px
    Footer: 26 px (a) Footer (b) Caption (c) Label
21. 21.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
22. 22.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
24. 24.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Footer: 10 px
    Hint: 24 px (a) Title (b) Footer (c) Hint
26. 26.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.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
29. 29.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
31. 31.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
32. 32.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
34. 34.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
36. 36.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ 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
38. 38.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Body text: 10 px
    Menu: 22 px (a) Label (b) Menu (c) Body text
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 10 px
    Menu: 12 px
    Title: 19 px

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