App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 70 · 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.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) text that can grow
2. 2.Which of these helps everyone use the app? (a) captions on videos (b) sudden loud sounds (c) colour as the only clue (d) tiny tap areas
3. 3.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) captions on videos
5. 5.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) sudden loud sounds
7. 7.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
8. 8.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 19 px
   Title: 18 px
   Body text: 15 px
   Footer: 12 px
   Label: 13 px
10. 10.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
12. 12.♿ A screen has 10 icon buttons. Only 2 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: sudden loud sounds? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Hint: 19 px
    Caption: 14 px (a) Menu (b) Hint (c) Caption
15. 15.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
16. 16.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
17. 17.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) labels on every icon (d) text that can grow
19. 19.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) big touch targets
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Caption: 22 px
    Hint: 17 px
    Title: 9 px (a) Hint (b) Caption (c) Label (d) Title
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) strong colour contrast
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Caption: 23 px
    Hint: 17 px
    Label: 23 px (a) Title (b) Hint (c) Caption (d) Label
24. 24.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) fast-flashing lights (d) colour as the only clue
25. 25.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
26. 26.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Label: 26 px
    Title: 9 px (a) Menu (b) Title (c) Label
30. 30.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) colour as the only clue (d) captions on videos
31. 31.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) the battery (d) fast typists
32. 32.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) labels on every icon (d) strong colour contrast
33. 33.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
34. 34.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Label: 12 px
    Body text: 22 px
    Footer: 13 px
    Hint: 12 px
36. 36.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
37. 37.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Label: 23 px
    Title: 25 px
    Hint: 14 px
    Body text: 25 px (a) Footer (b) Title (c) Label (d) Hint
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 22 px
    Label: 13 px
    Menu: 11 px
    Footer: 12 px

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