App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 456 · 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.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
2. 2.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) text that can grow (d) icons with no labels
4. 4.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) strong colour contrast
5. 5.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
6. 6.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
8. 8.Which of these helps everyone use the app? (a) strong colour contrast (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
9. 9.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Label: 12 px
    Body text: 23 px
    Title: 24 px
    Hint: 19 px
11. 11.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Menu: 20 px
    Label: 9 px (a) Footer (b) Menu (c) Label
13. 13.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 11 px
    Body text: 22 px
    Title: 18 px
    Menu: 22 px
    Label: 27 px (a) Title (b) Menu (c) Caption (d) Body text
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Title: 17 px
    Footer: 12 px
16. 16.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
17. 17.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
18. 18.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Title: 14 px
    Hint: 16 px (a) Title (b) Hint (c) Label
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Footer: 20 px
    Title: 13 px (a) Body text (b) Footer (c) Title
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Menu: 13 px
    Caption: 11 px
    Title: 23 px
22. 22.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) text that can grow (d) tiny tap areas
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Hint: 21 px
    Footer: 14 px
    Caption: 16 px
24. 24.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
25. 25.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Menu: 10 px
    Body text: 18 px
27. 27.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
28. 28.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
29. 29.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
30. 30.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
31. 31.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) big touch targets (d) labels on every icon
33. 33.Which of these makes the app harder to use? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) strong colour contrast
34. 34.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) fast-flashing lights (d) tiny tap areas
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Body text: 21 px
    Title: 28 px (a) Label (b) Title (c) Body text
37. 37.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) labels on every icon
39. 39.♿ A screen has 5 icon buttons. Only 4 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. Which text on this screen is too small?
    Hint: 17 px
    Footer: 19 px
    Label: 16 px
    Caption: 28 px
    Menu: 9 px (a) Footer (b) Label (c) Hint (d) Menu

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