App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 777 · 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.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) big touch targets (d) tiny tap areas
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) text that can grow
7. 7.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
8. 8.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) colour as the only clue
10. 10.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
11. 11.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Label: 10 px
    Body text: 23 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Hint: 26 px
    Footer: 12 px
    Title: 20 px
    Menu: 22 px (a) Body text (b) Hint (c) Footer (d) Title
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 17 px
    Caption: 17 px
    Body text: 15 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Footer: 19 px
    Label: 24 px
    Caption: 23 px (a) Menu (b) Label (c) Caption (d) Footer
16. 16.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Title: 24 px
    Menu: 13 px
    Hint: 12 px
19. 19.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) strong colour contrast (d) big touch targets
20. 20.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 23 px
    Caption: 13 px
    Title: 10 px
    Body text: 19 px
22. 22.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
23. 23.🔍 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
24. 24.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) colour as the only clue
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) sudden loud sounds
27. 27.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Title: 12 px
    Hint: 18 px
    Caption: 28 px (a) Hint (b) Title (c) Caption (d) Footer
29. 29.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
30. 30.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) strong colour contrast
32. 32.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
33. 33.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Title: 14 px
    Caption: 10 px
    Label: 11 px
    Footer: 24 px
35. 35.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Body text: 15 px
    Caption: 13 px
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) icons with no labels (d) colour as the only clue
38. 38.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
40. 40.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?

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