App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 700 · 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 is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
2. 2.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 14 px
   Title: 13 px
   Label: 16 px
4. 4.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
5. 5.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
6. 6.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) text that can grow (d) fast-flashing lights
8. 8.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 11 px
   Label: 18 px
   Hint: 23 px (a) Body text (b) Hint (c) Label
10. 10.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
11. 11.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
12. 12.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
13. 13.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Title: 11 px
    Label: 18 px (a) Caption (b) Label (c) Title
15. 15.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
16. 16.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Title: 16 px
    Hint: 12 px
    Caption: 15 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Menu: 12 px
    Caption: 16 px
    Hint: 22 px (a) Body text (b) Caption (c) Hint (d) Menu
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) tiny tap areas
23. 23.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Label: 25 px
    Menu: 27 px
    Caption: 22 px
    Title: 25 px (a) Hint (b) Caption (c) Label (d) Menu
26. 26.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
27. 27.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
28. 28.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Label: 11 px
    Footer: 14 px
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) icons with no labels
31. 31.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) captions on videos (d) fast-flashing lights
34. 34.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
35. 35.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
36. 36.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Menu: 24 px
    Body text: 16 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Label: 17 px
    Hint: 14 px (a) Hint (b) Label (c) Body text
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
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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