App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 290 · 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 makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) icons with no labels
2. 2.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
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 19 px
   Title: 12 px
   Menu: 24 px
   Body text: 14 px
4. 4.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
5. 5.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the battery (d) the server
6. 6.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) fast-flashing lights (d) icons with no labels
7. 7.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) strong colour contrast (d) text that can grow
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 21 px
   Label: 12 px
   Hint: 21 px
   Caption: 21 px
   Body text: 21 px
9. 9.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Footer: 28 px
    Menu: 18 px
    Title: 10 px
    Caption: 26 px (a) Title (b) Hint (c) Footer (d) Menu
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Label: 10 px
    Footer: 16 px
    Body text: 10 px
    Title: 16 px
12. 12.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
13. 13.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
15. 15.Which of these makes the app harder to use? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) strong colour contrast
16. 16.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Menu: 25 px
    Label: 22 px
    Footer: 26 px (a) Footer (b) Label (c) Title (d) Menu
18. 18.♿ A screen has 12 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?
    Title: 19 px
    Hint: 22 px
    Footer: 16 px
    Label: 23 px
    Caption: 12 px
20. 20.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
21. 21.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Label: 18 px
    Title: 21 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 23 px
    Footer: 16 px
    Title: 19 px
    Hint: 15 px
24. 24.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
25. 25.♿ A screen has 8 icon buttons. Only 1 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: 11 px
    Menu: 12 px
    Caption: 14 px
27. 27.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Body text: 14 px
    Menu: 20 px (a) Title (b) Menu (c) Body text
29. 29.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) icons with no labels
31. 31.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) sudden loud sounds (d) labels on every icon
32. 32.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
33. 33.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) text that can grow (d) labels on every icon
35. 35.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) labels on every icon
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Title: 11 px
    Hint: 23 px
    Label: 14 px
    Menu: 23 px
37. 37.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Footer: 19 px
    Menu: 25 px
    Label: 24 px (a) Label (b) Menu (c) Footer (d) Caption
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Hint: 16 px
    Label: 17 px
    Caption: 9 px
    Footer: 23 px (a) Menu (b) Caption (c) Hint (d) Label
40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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