App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 726 · 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. How many texts on this screen are too small?
   Label: 12 px
   Body text: 21 px
   Caption: 22 px
   Title: 23 px
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 is the odd one out? (a) captions on videos (b) sudden loud sounds (c) tiny tap areas (d) fast-flashing lights
4. 4.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) icons with no labels (d) sudden loud sounds
6. 6.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
7. 7.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 19 px
   Menu: 28 px
   Title: 12 px
   Hint: 23 px (a) Menu (b) Title (c) Hint (d) Footer
9. 9.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
10. 10.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) fast-flashing lights
14. 14.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Footer: 13 px
    Body text: 24 px
    Label: 18 px
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Title: 14 px
    Label: 19 px
    Footer: 13 px
    Body text: 11 px
17. 17.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
18. 18.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 16 px
    Title: 10 px (a) Hint (b) Body text (c) Title
20. 20.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) big touch targets
22. 22.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
23. 23.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Menu: 18 px
    Title: 11 px (a) Hint (b) Menu (c) Title
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Body text: 25 px
    Footer: 24 px (a) Body text (b) Footer (c) Title
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) sudden loud sounds
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 20 px
    Caption: 21 px
    Label: 27 px
    Body text: 9 px (a) Footer (b) Body text (c) Caption (d) Label
28. 28.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (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?
    Menu: 17 px
    Title: 17 px
    Label: 23 px
    Hint: 13 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Hint: 20 px
    Title: 10 px (a) Title (b) Hint (c) Label
31. 31.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) strong colour contrast
33. 33.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) text that can grow
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
35. 35.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
36. 36.Which of these helps everyone use the app? (a) big touch targets (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
37. 37.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
38. 38.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) labels on every icon
39. 39.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) colour as the only clue (d) fast-flashing lights
40. 40.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone

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