App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 338 · 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: “strong colour contrast” makes the app harder to use. (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 25 px
   Label: 25 px
   Footer: 11 px
   Title: 21 px
   Caption: 22 px (a) Footer (b) Body text (c) Title (d) Label
3. 3.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
4. 4.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
5. 5.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) icons with no labels (d) sudden loud sounds
8. 8.♿ 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
9. 9.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) sudden loud sounds
12. 12.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) big touch targets (d) labels on every icon
13. 13.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) big touch targets (d) captions on videos
14. 14.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) icons with no labels (d) tiny tap areas
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
19. 19.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) sudden loud sounds
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
21. 21.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
22. 22.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
23. 23.♿ A screen has 5 icon buttons. Only 1 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: text that can grow? (a) makes it harder (b) helps everyone
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) text that can grow (d) colour as the only clue
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Body text: 21 px
    Menu: 18 px
    Hint: 13 px (a) Footer (b) Body text (c) Menu (d) Hint
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Hint: 26 px
    Caption: 9 px
    Footer: 17 px (a) Caption (b) Hint (c) Body text (d) Footer
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Hint: 12 px
    Menu: 19 px
    Footer: 16 px
    Label: 17 px
29. 29.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Body text: 10 px
    Caption: 19 px (a) Footer (b) Caption (c) Body text
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Body text: 15 px
    Title: 11 px
    Caption: 11 px
    Footer: 15 px
32. 32.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) captions on videos
33. 33.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Menu: 18 px
    Footer: 12 px (a) Footer (b) Body text (c) Menu
35. 35.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
36. 36.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Footer: 18 px
    Title: 10 px
    Hint: 11 px
    Label: 19 px
38. 38.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Menu: 22 px
    Hint: 13 px
    Caption: 19 px
    Label: 23 px
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Title: 23 px
    Caption: 17 px
    Body text: 18 px

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