App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 706 · 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) text that can grow (b) fast-flashing lights (c) labels on every icon (d) captions on videos
2. 2.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
4. 4.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) big touch targets (d) text that can grow
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
6. 6.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
7. 7.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Body text: 12 px
   Hint: 23 px
   Caption: 10 px
9. 9.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) strong colour contrast (d) colour as the only clue
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 10 px
    Hint: 25 px
    Body text: 21 px (a) Hint (b) Label (c) Body text
11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
13. 13.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Label: 18 px
    Menu: 14 px (a) Title (b) Menu (c) Label
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 22 px
    Title: 21 px
    Caption: 12 px
    Label: 16 px (a) Label (b) Title (c) Footer (d) Caption
18. 18.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) icons with no labels (d) big touch targets
19. 19.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Menu: 9 px
    Hint: 28 px (a) Hint (b) Menu (c) Footer
21. 21.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
23. 23.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
24. 24.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Footer: 24 px
    Label: 18 px
    Caption: 15 px
    Menu: 17 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Title: 22 px
    Menu: 12 px
    Body text: 22 px
    Footer: 16 px (a) Title (b) Body text (c) Menu (d) Caption
27. 27.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
28. 28.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
30. 30.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
31. 31.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
32. 32.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
33. 33.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) captions on videos (d) tiny tap areas
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Title: 17 px
    Body text: 13 px
    Caption: 12 px
36. 36.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) big touch targets
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) sudden loud sounds (d) icons with no labels
38. 38.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
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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