App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 498 · 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?
   Title: 12 px
   Hint: 23 px
   Label: 19 px
   Caption: 23 px
2. 2.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 14 px
   Hint: 24 px
   Body text: 24 px (a) Body text (b) Title (c) Hint
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 22 px
   Footer: 12 px
   Menu: 24 px
6. 6.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 11 px
   Label: 14 px
   Menu: 15 px
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
10. 10.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 9 px
    Caption: 27 px
    Title: 24 px (a) Caption (b) Footer (c) Title (d) Body text
12. 12.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
13. 13.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
15. 15.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
17. 17.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
18. 18.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
19. 19.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) colour-blind users (c) fast typists (d) the battery
20. 20.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
27. 27.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Menu: 14 px
    Title: 22 px
29. 29.Which of these makes the app harder to use? (a) captions on videos (b) sudden loud sounds (c) big touch targets (d) labels on every icon
30. 30.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
31. 31.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
32. 32.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
33. 33.Which of these makes the app harder to use? (a) icons with no labels (b) text that can grow (c) captions on videos (d) big touch targets
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Menu: 16 px
    Caption: 18 px
    Footer: 17 px (a) Caption (b) Menu (c) Hint (d) Footer
35. 35.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Footer: 16 px
    Title: 14 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Caption: 14 px
    Label: 16 px
    Title: 21 px (a) Body text (b) Label (c) Caption (d) Title
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Hint: 20 px
    Label: 27 px (a) Label (b) Hint (c) Title
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) labels on every icon (d) text that can grow
40. 40.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) colour as the only clue

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