App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 751 · 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.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) big touch targets
2. 2.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
4. 4.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
5. 5.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
6. 6.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) tiny tap areas
7. 7.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 11 px
   Body text: 28 px
   Footer: 27 px
   Hint: 28 px
   Label: 22 px (a) Body text (b) Footer (c) Hint (d) Title
9. 9.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
10. 10.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Menu: 16 px
    Hint: 19 px (a) Hint (b) Body text (c) Menu
12. 12.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
16. 16.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
17. 17.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
18. 18.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
19. 19.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
20. 20.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Menu: 13 px
    Footer: 14 px
24. 24.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) captions on videos (d) colour as the only clue
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Title: 13 px
    Footer: 12 px
    Hint: 15 px
    Menu: 16 px
26. 26.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Hint: 11 px
    Label: 26 px (a) Hint (b) Body text (c) Label
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) strong colour contrast (d) colour as the only clue
29. 29.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) text that can grow (d) labels on every icon
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. Which text on this screen is too small?
    Title: 16 px
    Label: 16 px
    Menu: 11 px (a) Title (b) Label (c) Menu
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Body text: 15 px
    Hint: 13 px
33. 33.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
34. 34.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) labels on every icon
35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Label: 16 px
    Body text: 11 px
    Hint: 20 px
    Title: 17 px (a) Hint (b) Body text (c) Footer (d) Label
37. 37.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
38. 38.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Title: 22 px
    Label: 12 px
    Body text: 20 px (a) Label (b) Title (c) Body text (d) Caption
40. 40.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) strong colour contrast (d) labels on every icon

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