App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 302 · 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.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) colour as the only clue
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
5. 5.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
6. 6.Which of these helps everyone use the app? (a) strong colour contrast (b) fast-flashing lights (c) icons with no labels (d) sudden loud sounds
7. 7.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 13 px
   Footer: 22 px
   Title: 10 px
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Label: 22 px
    Menu: 9 px
    Title: 25 px (a) Title (b) Label (c) Menu (d) Body text
11. 11.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
12. 12.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 18 px
    Footer: 13 px
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Title: 22 px
    Body text: 28 px
    Menu: 12 px (a) Menu (b) Title (c) Hint (d) Body text
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Label: 15 px
    Title: 23 px
    Caption: 21 px
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) labels on every icon
17. 17.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
18. 18.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
19. 19.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
20. 20.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Title: 12 px
    Hint: 22 px
    Menu: 27 px (a) Body text (b) Title (c) Menu (d) Hint
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Title: 22 px
    Caption: 10 px
    Menu: 20 px
    Body text: 10 px
24. 24.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
25. 25.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
26. 26.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
27. 27.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) tiny tap areas (d) labels on every icon
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Footer: 19 px
    Hint: 21 px (a) Title (b) Hint (c) Footer
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Hint: 9 px
    Caption: 23 px (a) Body text (b) Caption (c) Hint
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Body text: 17 px
    Footer: 17 px (a) Caption (b) Body text (c) Footer
31. 31.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Hint: 16 px
    Title: 18 px (a) Body text (b) Title (c) Hint
33. 33.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
34. 34.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Footer: 13 px
    Label: 23 px
37. 37.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
38. 38.♿ A screen has 5 icon buttons. Only 4 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?
    Label: 11 px
    Hint: 15 px
    Title: 10 px
40. 40.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast

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