App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 744 · 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: tiny tap areas? (a) makes it harder (b) helps everyone
2. 2.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
4. 4.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
5. 5.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
7. 7.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) strong colour contrast (d) captions on videos
8. 8.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) fast-flashing lights (d) sudden loud sounds
10. 10.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
11. 11.♿ A screen has 11 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Caption: 21 px
    Hint: 11 px
    Body text: 16 px
    Menu: 15 px
13. 13.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Hint: 28 px
    Footer: 18 px
    Caption: 13 px (a) Body text (b) Footer (c) Hint (d) Caption
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Label: 18 px
    Title: 16 px
    Footer: 18 px (a) Title (b) Label (c) Caption (d) Footer
16. 16.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) text that can grow (d) fast-flashing lights
18. 18.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Label: 18 px
    Hint: 23 px
    Menu: 10 px (a) Title (b) Label (c) Hint (d) Menu
21. 21.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 15 px
    Footer: 10 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Caption: 9 px
    Label: 19 px
    Title: 26 px (a) Hint (b) Title (c) Caption (d) Label
26. 26.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) fast-flashing lights (c) captions on videos (d) labels on every icon
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Footer: 18 px
    Title: 16 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Menu: 18 px
    Body text: 26 px
    Footer: 22 px (a) Title (b) Body text (c) Menu (d) Footer
31. 31.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
32. 32.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Footer: 12 px
    Body text: 19 px
    Menu: 22 px (a) Menu (b) Caption (c) Body text (d) Footer
34. 34.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
35. 35.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 12 px
    Title: 19 px
    Footer: 27 px (a) Title (b) Footer (c) Hint (d) Label
37. 37.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) tiny tap areas
39. 39.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
40. 40.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) big touch targets (d) sudden loud sounds

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