App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 431 · 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.Which of these helps everyone use the app? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
2. 2.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 21 px
   Hint: 28 px
   Label: 14 px
   Body text: 22 px (a) Hint (b) Caption (c) Body text (d) Label
4. 4.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 10 px
   Body text: 12 px
   Menu: 14 px
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 17 px
   Hint: 15 px
   Title: 17 px
8. 8.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
9. 9.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
11. 11.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) the battery (d) fast typists
12. 12.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) everyone (d) nobody
13. 13.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
14. 14.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) colour as the only clue (d) text that can grow
16. 16.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
17. 17.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) labels on every icon (d) text that can grow
20. 20.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
21. 21.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
23. 23.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
24. 24.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) big touch targets (d) labels on every icon
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Caption: 20 px
    Footer: 14 px
    Menu: 17 px (a) Footer (b) Menu (c) Body text (d) Caption
28. 28.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
29. 29.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) text that can grow
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Body text: 12 px
    Menu: 23 px
    Label: 23 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Caption: 22 px
    Label: 14 px (a) Menu (b) Caption (c) Label
33. 33.Which of these helps everyone use the app? (a) strong colour contrast (b) fast-flashing lights (c) colour as the only clue (d) sudden loud sounds
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) strong colour contrast (d) tiny tap areas
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Title: 24 px
    Hint: 20 px
36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
37. 37.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 24 px
    Body text: 17 px
    Title: 12 px
    Label: 26 px (a) Body text (b) Label (c) Footer (d) Title
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Label: 20 px
    Title: 27 px
    Caption: 20 px
    Hint: 24 px (a) Caption (b) Title (c) Footer (d) Label
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Menu: 20 px
    Hint: 17 px
    Footer: 28 px
    Title: 16 px (a) Footer (b) Menu (c) Body text (d) Hint

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