App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 351 · 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 2 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 17 px
   Caption: 9 px
   Menu: 22 px
   Hint: 27 px
   Body text: 23 px (a) Footer (b) Hint (c) Caption (d) Menu
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Label: 23 px
   Footer: 10 px
5. 5.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) icons with no labels
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) tiny tap areas (d) labels on every icon
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 24 px
   Label: 28 px
   Title: 16 px
   Hint: 22 px
   Menu: 11 px (a) Title (b) Label (c) Menu (d) Footer
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 10 px
   Label: 11 px
   Caption: 23 px
10. 10.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Body text: 16 px
    Footer: 12 px (a) Hint (b) Body text (c) Footer
12. 12.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
13. 13.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Hint: 10 px
    Title: 18 px
    Label: 16 px
    Footer: 26 px (a) Hint (b) Caption (c) Title (d) Label
15. 15.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) labels on every icon (d) captions on videos
16. 16.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
17. 17.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) tiny tap areas (d) text that can grow
19. 19.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
22. 22.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) text that can grow
23. 23.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
25. 25.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Menu: 17 px
    Label: 17 px
27. 27.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
28. 28.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Footer: 11 px
    Hint: 16 px (a) Body text (b) Hint (c) Footer
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 21 px
    Title: 25 px
    Label: 18 px
    Hint: 12 px (a) Menu (b) Title (c) Hint (d) Label
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Title: 23 px
    Caption: 18 px
    Body text: 19 px (a) Body text (b) Title (c) Caption (d) Footer
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Title: 20 px
    Menu: 24 px
    Caption: 9 px
    Body text: 25 px (a) Title (b) Label (c) Caption (d) Menu
38. 38.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
39. 39.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (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?
    Hint: 14 px
    Menu: 10 px
    Footer: 21 px
    Label: 12 px

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