App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 503 · 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) captions on videos (c) labels on every icon (d) fast-flashing lights
2. 2.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 11 px
   Caption: 13 px
   Body text: 12 px
4. 4.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to hide the sound (d) to slow them down
5. 5.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 28 px
   Hint: 9 px
   Title: 28 px (a) Body text (b) Title (c) Hint
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 23 px
   Menu: 18 px
   Title: 19 px
   Label: 19 px
   Hint: 12 px (a) Title (b) Caption (c) Hint (d) Menu
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) fast-flashing lights
12. 12.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
13. 13.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Label: 21 px
    Body text: 20 px
    Caption: 23 px
    Title: 16 px (a) Caption (b) Label (c) Hint (d) Body text
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Label: 16 px
    Title: 14 px
18. 18.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) tiny tap areas (d) icons with no labels
20. 20.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) tiny tap areas (d) text that can grow
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
22. 22.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Menu: 13 px
    Caption: 16 px (a) Menu (b) Title (c) Caption
24. 24.♿ A screen has 5 icon buttons. Only 1 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?
    Menu: 18 px
    Body text: 22 px
    Hint: 12 px
    Title: 15 px
    Footer: 13 px
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
27. 27.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Hint: 19 px
    Caption: 12 px (a) Hint (b) Body text (c) Caption
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Hint: 28 px
    Footer: 19 px
    Body text: 13 px (a) Hint (b) Caption (c) Footer (d) Body text
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 14 px
    Hint: 13 px
    Body text: 14 px
    Menu: 23 px
    Caption: 13 px
31. 31.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) tiny tap areas (d) captions on videos
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
33. 33.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) fast-flashing lights (d) colour as the only clue
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Caption: 14 px
    Hint: 10 px
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Body text: 12 px
    Caption: 15 px
    Menu: 11 px
36. 36.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) strong colour contrast
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Label: 20 px
    Hint: 20 px
    Caption: 16 px
    Body text: 24 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Caption: 11 px
    Hint: 19 px
    Menu: 11 px
    Body text: 11 px
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) captions on videos

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