App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 198 · 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. How many texts on this screen are too small?
   Title: 22 px
   Label: 16 px
   Hint: 22 px
   Menu: 17 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 13 px
   Hint: 20 px
   Caption: 19 px (a) Caption (b) Hint (c) Body text
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 21 px
   Hint: 17 px
   Caption: 17 px
   Footer: 10 px (a) Footer (b) Caption (c) Hint (d) Title
4. 4.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
6. 6.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
7. 7.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Footer: 11 px
    Title: 16 px
    Body text: 16 px
    Hint: 25 px (a) Body text (b) Caption (c) Title (d) Footer
14. 14.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) tiny tap areas
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Label: 20 px
    Title: 23 px
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
18. 18.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
20. 20.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
21. 21.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Caption: 14 px
    Footer: 14 px
    Body text: 19 px
23. 23.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Label: 13 px
    Menu: 17 px
    Caption: 10 px
    Footer: 19 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Caption: 24 px
    Menu: 20 px
    Label: 14 px (a) Footer (b) Menu (c) Caption (d) Label
26. 26.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Menu: 10 px
    Body text: 12 px
28. 28.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) labels on every icon
29. 29.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Hint: 23 px
    Label: 18 px
    Caption: 20 px
31. 31.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
32. 32.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
34. 34.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
35. 35.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Hint: 16 px
    Footer: 25 px
    Menu: 21 px
    Body text: 10 px (a) Footer (b) Hint (c) Body text (d) Title
37. 37.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 19 px
    Title: 18 px
    Hint: 26 px
    Caption: 22 px (a) Menu (b) Body text (c) Hint (d) Title
39. 39.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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