App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 334 · 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. Which text on this screen is too small?
   Footer: 13 px
   Label: 24 px
   Body text: 18 px
   Hint: 28 px (a) Label (b) Body text (c) Footer (d) Hint
2. 2.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
3. 3.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
4. 4.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
6. 6.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
7. 7.Which of these makes the app harder to use? (a) colour as the only clue (b) big touch targets (c) text that can grow (d) strong colour contrast
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.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) tiny tap areas
11. 11.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
12. 12.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
14. 14.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
15. 15.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) fast-flashing lights (d) tiny tap areas
16. 16.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Caption: 20 px
    Title: 17 px
    Footer: 26 px (a) Title (b) Caption (c) Body text (d) Footer
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) text that can grow (d) labels on every icon
20. 20.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
21. 21.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
22. 22.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
23. 23.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) labels on every icon
25. 25.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) fast-flashing lights (d) captions on videos
26. 26.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) tiny tap areas
27. 27.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Hint: 23 px
    Footer: 11 px
    Title: 27 px (a) Menu (b) Title (c) Hint (d) Footer
29. 29.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) icons with no labels
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) icons with no labels (d) strong colour contrast
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Menu: 13 px
    Body text: 19 px
    Title: 12 px
33. 33.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 22 px
    Label: 13 px
    Footer: 24 px
    Caption: 17 px (a) Body text (b) Hint (c) Label (d) Footer
35. 35.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Menu: 11 px
    Title: 19 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Caption: 12 px
    Body text: 18 px
    Label: 25 px
    Footer: 28 px (a) Body text (b) Hint (c) Caption (d) Label
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 11 px
    Label: 21 px (a) Title (b) Body text (c) Label
40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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