App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 587 · 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: icons with no labels? (a) makes it harder (b) helps everyone
2. 2.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
4. 4.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
5. 5.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
6. 6.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) labels on every icon
7. 7.♿ 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
8. 8.♿ 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
9. 9.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) labels on every icon (d) text that can grow
10. 10.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 19 px
    Title: 11 px
    Menu: 23 px
    Caption: 22 px
12. 12.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Body text: 19 px
    Hint: 13 px
    Title: 19 px
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 19 px
    Hint: 20 px
    Footer: 12 px (a) Caption (b) Footer (c) Hint (d) Menu
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 13 px
    Hint: 23 px
16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) labels on every icon (d) captions on videos
17. 17.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
18. 18.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
20. 20.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
21. 21.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
22. 22.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
24. 24.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
25. 25.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
26. 26.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
27. 27.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Menu: 25 px
    Label: 13 px (a) Menu (b) Footer (c) Label
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Title: 23 px
    Hint: 12 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Body text: 11 px
    Hint: 27 px (a) Label (b) Hint (c) Body text
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
33. 33.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) labels on every icon (d) big touch targets
34. 34.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) text that can grow (d) captions on videos
35. 35.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) big touch targets (d) text that can grow
38. 38.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Hint: 20 px
    Title: 16 px
    Menu: 20 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Hint: 26 px
    Label: 18 px
    Menu: 27 px
    Title: 18 px (a) Label (b) Footer (c) Menu (d) Hint

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