App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 150 · 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.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
2. 2.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 20 px
   Title: 15 px
   Hint: 12 px
   Label: 13 px
4. 4.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
5. 5.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Caption: 28 px
   Title: 24 px
   Footer: 10 px
   Menu: 20 px (a) Hint (b) Title (c) Footer (d) Caption
7. 7.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
9. 9.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
10. 10.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) big touch targets (d) captions on videos
11. 11.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) big touch targets (d) tiny tap areas
13. 13.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 19 px
    Footer: 28 px
    Title: 10 px
    Label: 19 px (a) Hint (b) Footer (c) Caption (d) Title
15. 15.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
20. 20.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
21. 21.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) icons with no labels
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Hint: 17 px
    Label: 23 px
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Body text: 12 px
    Footer: 15 px
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) icons with no labels (d) fast-flashing lights
28. 28.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Hint: 19 px
    Body text: 9 px
    Footer: 18 px (a) Footer (b) Hint (c) Caption (d) Body text
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Body text: 17 px
    Title: 11 px
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
33. 33.True or false: “tiny tap areas” 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?
    Hint: 21 px
    Body text: 12 px
    Menu: 22 px
    Label: 10 px
    Footer: 10 px
35. 35.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Body text: 19 px
    Footer: 14 px
    Hint: 14 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Title: 27 px
    Footer: 25 px
    Body text: 21 px
    Caption: 17 px (a) Footer (b) Body text (c) Title (d) Menu
39. 39.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 27 px
    Hint: 27 px
    Caption: 25 px
    Menu: 10 px (a) Title (b) Body text (c) Hint (d) Menu

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