App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 803 · 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: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) strong colour contrast
3. 3.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) icons with no labels
4. 4.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
5. 5.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only the coder (d) only experts
8. 8.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
9. 9.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
10. 10.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
12. 12.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
13. 13.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 10 px
    Caption: 24 px
    Footer: 17 px
    Label: 20 px
15. 15.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 24 px
    Body text: 17 px
    Caption: 21 px
    Label: 23 px (a) Body text (b) Title (c) Caption (d) Hint
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
18. 18.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Title: 17 px
    Label: 21 px
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Label: 19 px
    Body text: 16 px (a) Label (b) Footer (c) Body text
22. 22.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
25. 25.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) fast-flashing lights (d) strong colour contrast
27. 27.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
28. 28.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Menu: 15 px
    Body text: 13 px
    Hint: 13 px
    Caption: 12 px
30. 30.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) colour as the only clue
31. 31.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) text that can grow
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Label: 20 px
    Caption: 23 px (a) Caption (b) Footer (c) Label
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Hint: 19 px
    Caption: 19 px
    Label: 11 px (a) Hint (b) Body text (c) Caption (d) Label
34. 34.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Label: 20 px
    Hint: 26 px (a) Menu (b) Hint (c) Label
37. 37.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Label: 17 px
    Title: 23 px
    Menu: 14 px
    Hint: 16 px
39. 39.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
40. 40.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) captions on videos

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