App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 517 · 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.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
3. 3.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) captions on videos (d) text that can grow
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
5. 5.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
7. 7.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
8. 8.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
9. 9.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) labels on every icon (d) big touch targets
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Menu: 15 px
    Body text: 24 px
    Label: 12 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 18 px
    Body text: 18 px
    Hint: 14 px
    Title: 19 px
    Footer: 23 px
12. 12.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) fast-flashing lights
13. 13.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) icons with no labels
14. 14.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
15. 15.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) captions on videos (d) tiny tap areas
18. 18.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Label: 27 px
    Menu: 12 px (a) Title (b) Label (c) Menu
20. 20.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Hint: 26 px
    Footer: 17 px (a) Hint (b) Footer (c) Body text
22. 22.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
23. 23.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 15 px
    Hint: 10 px
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
26. 26.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
27. 27.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
28. 28.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) icons with no labels
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 26 px
    Title: 14 px (a) Title (b) Label (c) Menu
31. 31.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) labels on every icon (d) captions on videos
32. 32.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) text that can grow
34. 34.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) strong colour contrast (d) fast-flashing lights
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Body text: 12 px
    Menu: 20 px
    Hint: 24 px
37. 37.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Body text: 25 px
    Caption: 11 px (a) Caption (b) Body text (c) Title
39. 39.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) captions on videos
40. 40.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone

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