App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 345 · 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. Which text on this screen is too small?
   Label: 11 px
   Title: 23 px
   Hint: 26 px
   Body text: 23 px
   Caption: 24 px (a) Body text (b) Title (c) Label (d) Hint
2. 2.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 17 px
   Menu: 13 px
   Footer: 13 px
   Body text: 19 px
   Caption: 14 px
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Hint: 21 px
   Title: 16 px
   Caption: 14 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 17 px
   Hint: 9 px
   Title: 20 px
   Caption: 16 px (a) Label (b) Caption (c) Hint (d) Title
6. 6.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 16 px
   Title: 13 px
   Menu: 16 px (a) Title (b) Body text (c) Menu
8. 8.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 28 px
   Caption: 9 px
   Footer: 26 px (a) Title (b) Footer (c) Caption
10. 10.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) captions on videos (d) icons with no labels
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 14 px
    Hint: 24 px
    Caption: 11 px
    Footer: 14 px
12. 12.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) makes text tiny (d) plays music
13. 13.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Footer: 9 px
    Caption: 26 px (a) Caption (b) Footer (c) Body text
15. 15.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Title: 10 px
    Menu: 26 px
    Footer: 18 px (a) Title (b) Footer (c) Label (d) Menu
17. 17.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
19. 19.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
20. 20.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) captions on videos (d) text that can grow
21. 21.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
23. 23.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
25. 25.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) captions on videos (c) labels on every icon (d) big touch targets
27. 27.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Menu: 21 px
    Hint: 15 px
30. 30.Which of these makes the app harder to use? (a) sudden loud sounds (b) text that can grow (c) strong colour contrast (d) labels on every icon
31. 31.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
33. 33.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Label: 19 px
    Title: 17 px (a) Footer (b) Label (c) Title
35. 35.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) labels on every icon (d) text that can grow
36. 36.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
37. 37.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
38. 38.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) labels on every icon (d) strong colour contrast
40. 40.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder

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