App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 361 · 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.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
2. 2.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 28 px
   Body text: 24 px
   Label: 10 px
   Footer: 18 px (a) Label (b) Body text (c) Menu (d) Footer
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 16 px
   Hint: 24 px
   Caption: 13 px
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 24 px
   Label: 12 px
   Body text: 22 px
   Footer: 10 px
   Caption: 16 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Hint: 24 px
   Footer: 18 px
   Label: 22 px
   Title: 11 px (a) Hint (b) Title (c) Footer (d) Body text
8. 8.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) labels on every icon (d) sudden loud sounds
10. 10.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Title: 11 px
    Label: 15 px
    Body text: 10 px
    Hint: 16 px
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 26 px
    Title: 13 px
    Hint: 19 px (a) Hint (b) Title (c) Caption
14. 14.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Title: 19 px
    Caption: 11 px
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
17. 17.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) icons with no labels (d) colour as the only clue
18. 18.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) big touch targets (d) strong colour contrast
19. 19.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) big touch targets
20. 20.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) fast-flashing lights (d) labels on every icon
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Body text: 19 px
    Label: 14 px
    Footer: 17 px
    Title: 16 px
24. 24.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) strong colour contrast
27. 27.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
28. 28.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) big touch targets
30. 30.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
31. 31.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 18 px
    Body text: 20 px
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) tiny tap areas
34. 34.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) text that can grow (d) big touch targets
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
36. 36.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Title: 15 px
    Body text: 14 px
    Caption: 15 px
    Menu: 19 px
38. 38.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) colour as the only clue
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Footer: 22 px
    Title: 28 px (a) Footer (b) Body text (c) Title
40. 40.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone

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