App Dev Worksheet: Accessibility

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

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