App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 704 · 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: colour as the only clue? (a) helps everyone (b) makes it harder
2. 2.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
3. 3.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) sudden loud sounds
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) icons with no labels (d) captions on videos
5. 5.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
7. 7.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) labels on every icon
8. 8.♿ 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
9. 9.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
11. 11.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
12. 12.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
16. 16.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Hint: 22 px
    Title: 19 px
    Caption: 17 px (a) Body text (b) Caption (c) Title (d) Hint
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Caption: 24 px
    Menu: 18 px
    Title: 15 px
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) strong colour contrast (c) labels on every icon (d) captions on videos
20. 20.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) captions on videos
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 18 px
    Body text: 12 px
    Hint: 24 px (a) Title (b) Hint (c) Body text
22. 22.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) text that can grow
23. 23.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
24. 24.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
25. 25.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
26. 26.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Menu: 17 px
    Label: 21 px
    Title: 11 px (a) Label (b) Footer (c) Title (d) Menu
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) labels on every icon
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Footer: 21 px
    Body text: 19 px
32. 32.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
35. 35.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Caption: 19 px
    Title: 15 px
    Label: 15 px
    Body text: 23 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Body text: 23 px
    Footer: 15 px
38. 38.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) captions on videos
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Title: 11 px
    Caption: 18 px (a) Caption (b) Body text (c) Title
40. 40.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) labels on every icon (d) strong colour contrast

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