App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 847 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 20 px
   Title: 10 px
   Menu: 17 px (a) Body text (b) Title (c) Menu
2. 2.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Hint: 13 px
   Title: 21 px
   Footer: 19 px
   Menu: 23 px (a) Title (b) Footer (c) Body text (d) Hint
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
5. 5.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Hint: 16 px
   Label: 23 px
   Footer: 19 px
   Caption: 10 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 21 px
   Body text: 14 px
   Footer: 24 px
   Menu: 26 px (a) Menu (b) Label (c) Body text (d) Footer
8. 8.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
9. 9.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 27 px
    Title: 22 px
    Hint: 11 px
    Body text: 26 px
    Footer: 16 px (a) Label (b) Body text (c) Hint (d) Title
11. 11.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) big touch targets (d) colour as the only clue
12. 12.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) text that can grow (d) strong colour contrast
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
14. 14.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) big touch targets
16. 16.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Menu: 19 px
    Title: 9 px
    Body text: 27 px (a) Body text (b) Hint (c) Menu (d) Title
18. 18.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Caption: 13 px
    Title: 12 px
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Footer: 17 px
    Menu: 11 px
    Caption: 23 px
    Body text: 16 px (a) Menu (b) Label (c) Footer (d) Caption
21. 21.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
23. 23.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
25. 25.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
26. 26.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) sudden loud sounds (d) labels on every icon
27. 27.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) tiny tap areas
28. 28.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
29. 29.🔍 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
30. 30.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
34. 34.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) big touch targets
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Menu: 18 px
    Label: 20 px
    Body text: 27 px
    Hint: 12 px (a) Label (b) Title (c) Hint (d) Menu
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) labels on every icon
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Footer: 10 px
    Body text: 18 px
38. 38.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) big touch targets (d) captions on videos
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 17 px
    Menu: 17 px
    Label: 14 px

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