App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 52 · 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 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 18 px
   Title: 11 px
   Body text: 16 px
3. 3.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 12 px
   Menu: 21 px
   Label: 19 px (a) Label (b) Menu (c) Body text
5. 5.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
6. 6.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
7. 7.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
8. 8.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 16 px
   Menu: 9 px
   Footer: 18 px
   Label: 25 px
   Body text: 27 px (a) Label (b) Menu (c) Hint (d) Footer
10. 10.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
11. 11.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) strong colour contrast (d) big touch targets
12. 12.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) labels on every icon (c) tiny tap areas (d) icons with no labels
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Title: 11 px
    Label: 25 px (a) Body text (b) Title (c) Label
17. 17.Which of these helps everyone use the app? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
18. 18.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
19. 19.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Label: 9 px
    Menu: 28 px
    Footer: 27 px (a) Footer (b) Menu (c) Label (d) Body text
21. 21.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) icons with no labels (d) captions on videos
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
23. 23.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (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?
    Hint: 19 px
    Label: 11 px
    Title: 13 px
    Menu: 13 px
    Caption: 19 px
26. 26.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
29. 29.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
31. 31.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) labels on every icon
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Label: 21 px
    Hint: 10 px
33. 33.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) fast-flashing lights (d) tiny tap areas
34. 34.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) sudden loud sounds (d) labels on every icon
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Footer: 14 px
    Title: 19 px (a) Title (b) Footer (c) Label
36. 36.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
37. 37.♿ A screen has 11 icon buttons. Only 4 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. How many texts on this screen are too small?
    Caption: 24 px
    Hint: 11 px
    Footer: 19 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Menu: 20 px
    Hint: 9 px (a) Body text (b) Menu (c) Hint
40. 40.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) tiny tap areas

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