App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 327 · 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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
2. 2.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
3. 3.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
4. 4.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) big touch targets
5. 5.True or false: “strong colour contrast” 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?
   Title: 23 px
   Menu: 23 px
   Hint: 9 px
   Footer: 16 px (a) Menu (b) Footer (c) Title (d) Hint
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 26 px
   Label: 19 px
   Footer: 17 px
   Title: 9 px (a) Hint (b) Footer (c) Label (d) Title
9. 9.♿ A screen has 7 icon buttons. Only 3 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?
    Title: 24 px
    Label: 25 px
    Hint: 9 px
    Footer: 18 px
    Body text: 23 px (a) Label (b) Title (c) Footer (d) Hint
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Footer: 14 px
    Menu: 12 px
    Hint: 14 px
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
14. 14.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Hint: 10 px
    Menu: 14 px
16. 16.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 8 icon buttons. Only 6 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. Which text on this screen is too small?
    Hint: 27 px
    Menu: 19 px
    Body text: 17 px
    Footer: 11 px (a) Hint (b) Body text (c) Menu (d) Footer
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Hint: 21 px
    Title: 20 px
    Body text: 19 px
    Menu: 16 px (a) Hint (b) Caption (c) Body text (d) Title
20. 20.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Footer: 24 px
    Title: 15 px
    Hint: 24 px
    Body text: 24 px
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) captions on videos
23. 23.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) colour as the only clue
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Body text: 21 px
    Hint: 14 px (a) Caption (b) Hint (c) Body text
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Title: 21 px
    Body text: 18 px
27. 27.Which of these helps everyone use the app? (a) strong colour contrast (b) sudden loud sounds (c) icons with no labels (d) tiny tap areas
28. 28.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
30. 30.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
31. 31.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
32. 32.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
33. 33.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) sudden loud sounds (d) big touch targets
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: “captions on videos” helps everyone use the app. (a) True (b) False
36. 36.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
37. 37.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Title: 24 px
    Hint: 10 px (a) Hint (b) Caption (c) Title
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Title: 14 px
    Hint: 23 px
    Body text: 24 px
    Menu: 17 px
40. 40.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?

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