App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 217 · 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.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to add colour (d) to hide the sound
2. 2.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a sound (d) a long animation
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 27 px
   Label: 16 px
   Footer: 9 px
   Caption: 21 px (a) Footer (b) Label (c) Body text (d) Caption
4. 4.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 26 px
   Body text: 27 px
   Footer: 13 px
   Hint: 17 px
   Menu: 27 px (a) Hint (b) Footer (c) Body text (d) Caption
6. 6.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) fast-flashing lights (d) icons with no labels
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (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?
   Menu: 9 px
   Hint: 17 px
   Label: 24 px
   Caption: 26 px (a) Label (b) Menu (c) Hint (d) Caption
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) text that can grow (d) strong colour contrast
10. 10.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Title: 13 px
    Label: 10 px
    Footer: 13 px
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Hint: 13 px
    Title: 12 px
14. 14.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) sudden loud sounds (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Hint: 21 px
    Menu: 11 px (a) Menu (b) Title (c) Hint
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Menu: 16 px
    Body text: 23 px
    Footer: 16 px
18. 18.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
19. 19.Which of these helps everyone use the app? (a) icons with no labels (b) captions on videos (c) colour as the only clue (d) fast-flashing lights
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) labels on every icon
21. 21.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
26. 26.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Hint: 26 px
    Body text: 11 px (a) Body text (b) Footer (c) Hint
28. 28.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
29. 29.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 13 px
    Hint: 15 px
31. 31.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
33. 33.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
35. 35.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
36. 36.Which of these makes the app harder to use? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) text that can grow
37. 37.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
38. 38.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Menu: 21 px
    Label: 23 px (a) Label (b) Menu (c) Caption

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