App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 321 · 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.♿ 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
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
3. 3.♿ 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
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 24 px
   Footer: 15 px
   Menu: 19 px
   Caption: 11 px
5. 5.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
6. 6.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
7. 7.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
8. 8.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) text that can grow (d) labels on every icon
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Body text: 18 px
   Hint: 14 px (a) Hint (b) Body text (c) Menu
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Label: 20 px
    Body text: 18 px
    Footer: 17 px
11. 11.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Hint: 18 px
    Caption: 16 px
    Body text: 21 px
    Menu: 27 px (a) Label (b) Body text (c) Hint (d) Caption
13. 13.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) captions on videos
15. 15.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) fast-flashing lights (d) big touch targets
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Footer: 23 px
    Menu: 23 px
17. 17.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) labels on every icon
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Caption: 11 px
    Title: 22 px
19. 19.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Caption: 11 px
    Body text: 18 px
    Label: 20 px (a) Body text (b) Caption (c) Label (d) Footer
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Hint: 18 px
    Title: 13 px
    Body text: 16 px (a) Hint (b) Footer (c) Title (d) Body text
22. 22.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
23. 23.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) text that can grow (d) icons with no labels
24. 24.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
26. 26.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Hint: 19 px
    Label: 13 px (a) Hint (b) Label (c) Body text
28. 28.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
30. 30.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Footer: 13 px
    Body text: 21 px
    Menu: 19 px
32. 32.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
33. 33.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
34. 34.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) strong colour contrast (d) colour as the only clue
35. 35.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Footer: 25 px
    Menu: 19 px
    Body text: 13 px
    Hint: 20 px (a) Caption (b) Body text (c) Menu (d) Footer
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Body text: 18 px
    Label: 9 px
    Hint: 16 px (a) Hint (b) Body text (c) Label (d) Title
38. 38.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
39. 39.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) icons with no labels (d) labels on every icon

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