App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 363 · 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 does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
2. 2.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) big touch targets (d) tiny tap areas
3. 3.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
4. 4.♿ A screen has 11 icon buttons. Only 5 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: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Title: 18 px
   Caption: 17 px
   Body text: 12 px
7. 7.♿ 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
8. 8.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
9. 9.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 16 px
    Menu: 10 px
    Hint: 25 px
    Caption: 24 px (a) Label (b) Title (c) Menu (d) Hint
11. 11.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) captions on videos (d) labels on every icon
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Caption: 22 px
    Title: 14 px (a) Title (b) Footer (c) Caption
13. 13.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) fast-flashing lights (d) colour as the only clue
14. 14.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Label: 17 px
    Caption: 19 px
    Title: 21 px
17. 17.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Hint: 12 px
    Menu: 24 px
    Label: 19 px
    Title: 14 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 16 px
    Caption: 12 px (a) Caption (b) Label (c) Menu
20. 20.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) everyone (d) only the coder
21. 21.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) strong colour contrast (d) labels on every icon
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 21 px
    Body text: 17 px
    Hint: 14 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Title: 17 px
    Label: 23 px
    Menu: 18 px
    Caption: 18 px (a) Label (b) Menu (c) Title (d) Body text
25. 25.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Body text: 13 px
    Label: 13 px
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 12 px
    Title: 14 px
    Hint: 24 px
    Caption: 12 px
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Menu: 14 px
    Body text: 27 px
    Label: 26 px (a) Label (b) Menu (c) Footer (d) Body text
29. 29.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
31. 31.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
32. 32.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
33. 33.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) colour as the only clue (d) labels on every icon
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Label: 11 px
    Caption: 17 px
    Title: 23 px
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Menu: 9 px
    Caption: 25 px (a) Menu (b) Hint (c) Caption
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) captions on videos (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) sudden loud sounds (d) big touch targets
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) captions on videos
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Menu: 11 px
    Body text: 20 px
    Hint: 10 px

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