App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 654 · 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?
   Footer: 18 px
   Body text: 18 px
   Hint: 11 px (a) Hint (b) Footer (c) Body text
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 15 px
   Caption: 16 px
   Title: 12 px
3. 3.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
4. 4.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
5. 5.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
6. 6.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) labels on every icon
8. 8.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
9. 9.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) text that can grow
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Title: 17 px
    Body text: 28 px (a) Menu (b) Title (c) Body text
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Hint: 15 px
    Title: 16 px
12. 12.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) labels on every icon
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Body text: 20 px
    Label: 14 px
    Hint: 19 px
    Title: 21 px (a) Label (b) Menu (c) Body text (d) Hint
14. 14.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
15. 15.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Hint: 24 px
    Menu: 18 px
    Label: 21 px
    Footer: 22 px
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) captions on videos (d) strong colour contrast
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) icons with no labels
20. 20.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
23. 23.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Label: 20 px
    Title: 21 px
    Menu: 13 px
    Body text: 22 px (a) Label (b) Caption (c) Menu (d) Title
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 11 px
    Label: 16 px (a) Hint (b) Label (c) Title
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 21 px
    Menu: 19 px
    Footer: 24 px (a) Menu (b) Label (c) Body text (d) Footer
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Footer: 26 px
    Hint: 23 px
    Title: 27 px
    Caption: 11 px (a) Caption (b) Hint (c) Footer (d) Menu
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
29. 29.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Footer: 22 px
    Label: 20 px
    Hint: 12 px
31. 31.Which of these makes the app harder to use? (a) fast-flashing lights (b) big touch targets (c) captions on videos (d) strong colour contrast
32. 32.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 24 px
    Caption: 13 px
    Body text: 19 px
    Footer: 17 px
    Title: 14 px
34. 34.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
35. 35.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) fast-flashing lights (d) tiny tap areas
37. 37.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
38. 38.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
40. 40.True or false: “text that can grow” makes the app harder to use. (a) True (b) False

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