App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 671 · 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: 14 px
   Footer: 19 px
   Hint: 16 px
   Menu: 20 px
   Caption: 23 px (a) Hint (b) Footer (c) Menu (d) Label
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 18 px
   Hint: 19 px
   Footer: 24 px
   Body text: 12 px
   Label: 20 px
3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) icons with no labels
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
5. 5.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
6. 6.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
8. 8.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
9. 9.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 9 px
    Title: 20 px
    Menu: 24 px
    Body text: 22 px (a) Caption (b) Body text (c) Menu (d) Title
11. 11.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Caption: 28 px
    Hint: 10 px
    Footer: 19 px
    Title: 21 px (a) Menu (b) Caption (c) Footer (d) Hint
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) captions on videos (d) colour as the only clue
14. 14.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Label: 13 px
    Caption: 19 px
    Title: 22 px
    Hint: 21 px
16. 16.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Footer: 16 px
    Title: 21 px
    Hint: 12 px
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) labels on every icon (d) sudden loud sounds
20. 20.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Caption: 12 px
    Label: 14 px
    Menu: 12 px
22. 22.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) big touch targets (d) text that can grow
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Label: 21 px
    Hint: 12 px
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) colour as the only clue (d) labels on every icon
25. 25.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) fast-flashing lights (d) labels on every icon
26. 26.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Caption: 16 px
    Title: 27 px
    Menu: 21 px
    Body text: 9 px (a) Footer (b) Title (c) Body text (d) Caption
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Footer: 9 px
    Title: 26 px (a) Hint (b) Title (c) Footer
29. 29.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) captions on videos
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Footer: 21 px
    Hint: 21 px
    Caption: 27 px
    Title: 9 px (a) Title (b) Hint (c) Label (d) Footer
31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
32. 32.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Body text: 15 px
    Title: 16 px
    Label: 24 px
    Hint: 15 px
34. 34.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) big touch targets
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 9 px
    Title: 19 px
    Label: 27 px
    Body text: 20 px
    Menu: 26 px (a) Label (b) Hint (c) Body text (d) Title
36. 36.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
37. 37.♿ A screen has 10 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Title: 17 px
    Label: 17 px
    Body text: 10 px
    Footer: 17 px (a) Title (b) Body text (c) Label (d) Hint
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Label: 10 px
    Menu: 13 px
    Body text: 15 px

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