App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 626 · 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?
   Label: 12 px
   Title: 22 px
   Menu: 23 px (a) Label (b) Title (c) Menu
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) strong colour contrast
3. 3.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 11 px
   Hint: 18 px
   Footer: 19 px
   Title: 24 px
   Body text: 17 px
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 24 px
   Label: 17 px
   Title: 10 px
   Footer: 19 px
6. 6.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
8. 8.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a text label (d) a bright colour
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 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
12. 12.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) labels on every icon (d) captions on videos
14. 14.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
15. 15.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
16. 16.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) labels on every icon (d) sudden loud sounds
17. 17.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
18. 18.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Footer: 13 px
    Hint: 26 px
    Title: 21 px
    Label: 22 px (a) Caption (b) Hint (c) Footer (d) Title
20. 20.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) strong colour contrast
21. 21.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
22. 22.♿ A screen has 9 icon buttons. Only 6 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: labels on every icon? (a) makes it harder (b) helps everyone
24. 24.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
25. 25.Which of these helps everyone use the app? (a) big touch targets (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) tiny tap areas (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Title: 28 px
    Menu: 20 px
    Hint: 19 px (a) Hint (b) Menu (c) Body text (d) Title
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Title: 19 px
    Caption: 16 px
    Hint: 16 px
    Label: 25 px (a) Hint (b) Footer (c) Caption (d) Title
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
31. 31.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) fast-flashing lights (d) big touch targets
33. 33.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
34. 34.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 12 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) big touch targets
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Menu: 17 px
    Label: 16 px
    Body text: 16 px
    Caption: 13 px (a) Caption (b) Title (c) Menu (d) Label
39. 39.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) strong colour contrast (d) colour as the only clue
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Menu: 14 px
    Hint: 22 px
    Label: 24 px
    Body text: 20 px

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