App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 861 · 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: icons with no labels? (a) helps everyone (b) makes it harder
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 17 px
   Caption: 26 px
   Hint: 14 px
   Title: 24 px (a) Hint (b) Caption (c) Menu (d) Title
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
4. 4.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) captions on videos (d) text that can grow
5. 5.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Footer: 12 px
   Label: 13 px
7. 7.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) labels on every icon (d) big touch targets
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
10. 10.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
11. 11.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder
12. 12.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
13. 13.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
14. 14.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
15. 15.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) icons with no labels (d) fast-flashing lights
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 13 px
    Menu: 22 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Footer: 15 px
    Label: 19 px
    Menu: 10 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 26 px
    Label: 27 px
    Footer: 12 px (a) Title (b) Footer (c) Caption (d) Label
20. 20.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 20 px
    Label: 17 px (a) Menu (b) Label (c) Hint
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Menu: 21 px
    Hint: 12 px
    Footer: 14 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Hint: 20 px
    Menu: 13 px
25. 25.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) fast-flashing lights (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Label: 13 px
    Body text: 27 px
    Hint: 18 px (a) Label (b) Body text (c) Title (d) Hint
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
28. 28.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
29. 29.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) fast-flashing lights (d) text that can grow
30. 30.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Label: 10 px
    Caption: 10 px
32. 32.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
33. 33.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) colour as the only clue
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) strong colour contrast
37. 37.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Label: 27 px
    Footer: 19 px (a) Hint (b) Footer (c) Label
39. 39.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True

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