App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 699 · 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.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a bright colour (d) a sound
2. 2.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
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.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Title: 20 px
   Footer: 10 px
6. 6.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
7. 7.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
9. 9.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) sudden loud sounds (d) captions on videos
10. 10.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
12. 12.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
13. 13.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
14. 14.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
15. 15.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) icons with no labels
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Title: 23 px
    Menu: 18 px
    Caption: 15 px
    Body text: 11 px
18. 18.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) colour as the only clue
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Menu: 18 px
    Footer: 12 px
    Caption: 13 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Footer: 14 px
    Body text: 18 px (a) Caption (b) Body text (c) Footer
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) text that can grow (d) tiny tap areas
23. 23.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) text that can grow (d) icons with no labels
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Footer: 25 px
    Menu: 20 px
    Label: 11 px (a) Menu (b) Footer (c) Label (d) Body text
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Caption: 11 px
    Title: 23 px
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) captions on videos
27. 27.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 12 px
    Hint: 16 px
    Body text: 25 px (a) Body text (b) Caption (c) Footer (d) Hint
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Menu: 10 px
    Hint: 19 px
    Caption: 27 px (a) Menu (b) Caption (c) Title (d) Hint
30. 30.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
33. 33.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) big touch targets
34. 34.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) text that can grow (d) sudden loud sounds
35. 35.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Footer: 25 px
    Body text: 10 px (a) Footer (b) Body text (c) Hint
37. 37.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
38. 38.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Footer: 12 px
    Menu: 13 px

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