App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 812 · 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.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 10 px
   Menu: 24 px
   Footer: 16 px (a) Menu (b) Footer (c) Caption
3. 3.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 22 px
   Label: 14 px
   Hint: 19 px
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) sudden loud sounds
6. 6.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) colour as the only clue (d) tiny tap areas
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 20 px
   Menu: 21 px
   Caption: 16 px
   Footer: 22 px
9. 9.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Footer: 15 px
    Label: 18 px
    Caption: 22 px
    Hint: 24 px
11. 11.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) big touch targets (d) labels on every icon
12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) fast typists (d) the battery
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Label: 22 px
    Footer: 18 px
    Hint: 14 px
15. 15.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Hint: 20 px
    Label: 20 px
17. 17.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) labels on every icon (d) captions on videos
18. 18.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
19. 19.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) big touch targets (d) labels on every icon
21. 21.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Hint: 14 px
    Footer: 21 px (a) Label (b) Footer (c) Hint
24. 24.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
25. 25.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) tiny tap areas (d) big touch targets
29. 29.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
30. 30.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Caption: 10 px
    Menu: 20 px
    Body text: 13 px
    Footer: 23 px
35. 35.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
36. 36.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) tiny tap areas
37. 37.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
38. 38.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
39. 39.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Label: 13 px
    Caption: 12 px
    Footer: 11 px
    Title: 15 px

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