App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 686 · 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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 9 px
   Caption: 20 px
   Label: 16 px (a) Caption (b) Label (c) Menu
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
3. 3.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
4. 4.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
5. 5.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 21 px
   Footer: 12 px
   Menu: 19 px
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Footer: 22 px
   Hint: 26 px
   Title: 9 px (a) Body text (b) Footer (c) Hint (d) Title
9. 9.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 11 px
    Label: 10 px
    Footer: 12 px
12. 12.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
13. 13.🔍 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
14. 14.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Label: 21 px
    Body text: 16 px (a) Label (b) Caption (c) Body text
16. 16.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
17. 17.♿ A screen has 6 icon buttons. Only 2 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) helps everyone (b) makes it harder
19. 19.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
20. 20.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) colour as the only clue (d) sudden loud sounds
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Menu: 16 px
    Title: 28 px
    Label: 26 px
    Footer: 20 px (a) Hint (b) Label (c) Menu (d) Title
23. 23.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) icons with no labels (d) strong colour contrast
24. 24.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
25. 25.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) sudden loud sounds
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) tiny tap areas
27. 27.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Hint: 18 px
    Menu: 10 px
    Caption: 16 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Title: 21 px
    Footer: 24 px
    Body text: 25 px (a) Body text (b) Title (c) Footer (d) Hint
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) captions on videos (d) labels on every icon
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Label: 21 px
    Caption: 15 px
    Footer: 19 px
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Footer: 19 px
    Menu: 9 px (a) Menu (b) Footer (c) Body text
36. 36.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 23 px
    Title: 25 px
    Body text: 23 px
    Caption: 9 px (a) Caption (b) Label (c) Title (d) Hint
39. 39.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) colour as the only clue (d) big touch targets

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