App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 852 · 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: 14 px
   Title: 12 px
   Caption: 10 px
   Menu: 14 px
   Body text: 13 px
2. 2.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) captions on videos (d) fast-flashing lights
3. 3.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
4. 4.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) everyone (d) only experts
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 23 px
   Label: 22 px
   Menu: 10 px
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 12 px
   Title: 23 px
   Hint: 17 px (a) Title (b) Footer (c) Hint
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 14 px
   Label: 20 px
   Caption: 16 px
   Hint: 26 px
   Title: 18 px (a) Hint (b) Caption (c) Footer (d) Label
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 10 px
   Body text: 14 px
   Hint: 19 px
10. 10.♿ What does a screen reader do? (a) takes photos (b) plays music (c) makes text tiny (d) reads the screen aloud
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Menu: 21 px
    Footer: 23 px
    Caption: 11 px
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Caption: 27 px
    Label: 9 px
    Body text: 21 px (a) Body text (b) Title (c) Caption (d) Label
13. 13.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Footer: 23 px
    Caption: 19 px
    Body text: 20 px (a) Caption (b) Body text (c) Menu (d) Footer
15. 15.♿ 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
16. 16.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Body text: 19 px
    Footer: 21 px
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) labels on every icon (c) colour as the only clue (d) tiny tap areas
19. 19.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
21. 21.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) colour as the only clue (d) labels on every icon
22. 22.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
23. 23.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Body text: 16 px
    Hint: 13 px
    Label: 18 px
25. 25.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
27. 27.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
28. 28.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
29. 29.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
30. 30.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
33. 33.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) strong colour contrast (d) big touch targets
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Hint: 24 px
    Caption: 10 px
    Footer: 11 px
37. 37.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Body text: 9 px
    Footer: 24 px (a) Footer (b) Hint (c) Body text
39. 39.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) tiny tap areas (d) captions on videos
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Caption: 22 px
    Title: 13 px
    Footer: 12 px

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