App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 833 · 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) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
2. 2.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
3. 3.♿ 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
4. 4.Which of these helps everyone use the app? (a) fast-flashing lights (b) captions on videos (c) tiny tap areas (d) icons with no labels
5. 5.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) strong colour contrast
7. 7.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) tiny tap areas (d) captions on videos
8. 8.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) icons with no labels (d) big touch targets
9. 9.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Body text: 22 px
    Title: 18 px
    Footer: 10 px (a) Title (b) Body text (c) Footer (d) Label
11. 11.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Footer: 16 px
    Label: 10 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Caption: 24 px
    Label: 21 px
    Body text: 16 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Hint: 17 px
    Body text: 12 px
    Caption: 19 px (a) Caption (b) Hint (c) Footer (d) Body text
16. 16.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 28 px
    Label: 12 px (a) Caption (b) Label (c) Menu
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Footer: 24 px
    Title: 21 px
    Menu: 13 px
    Caption: 15 px
19. 19.♿ 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
20. 20.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
21. 21.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 26 px
    Footer: 19 px
    Title: 28 px
    Caption: 17 px
    Body text: 14 px (a) Title (b) Footer (c) Menu (d) Body text
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Hint: 16 px
    Body text: 13 px
    Title: 23 px (a) Hint (b) Body text (c) Footer (d) Title
26. 26.Which of these helps everyone use the app? (a) tiny tap areas (b) labels on every icon (c) fast-flashing lights (d) sudden loud sounds
27. 27.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) text that can grow (d) fast-flashing lights
28. 28.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
29. 29.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Hint: 25 px
    Body text: 27 px
    Caption: 26 px
    Title: 27 px (a) Hint (b) Body text (c) Caption (d) Footer
31. 31.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 25 px
    Label: 10 px
    Body text: 23 px
    Hint: 22 px
    Menu: 24 px (a) Label (b) Hint (c) Footer (d) Body text
33. 33.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) sudden loud sounds
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Body text: 18 px
    Title: 14 px
    Caption: 16 px
35. 35.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Hint: 16 px
    Title: 20 px (a) Title (b) Hint (c) Label
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Footer: 16 px
    Title: 23 px
    Body text: 13 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 23 px
    Label: 27 px (a) Menu (b) Label (c) Hint
39. 39.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Footer: 13 px
    Body text: 20 px
    Hint: 21 px
    Caption: 17 px

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