App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 506 · 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?
   Menu: 26 px
   Title: 24 px
   Label: 24 px
   Hint: 11 px
   Caption: 25 px (a) Label (b) Title (c) Hint (d) Menu
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
3. 3.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
4. 4.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
5. 5.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
6. 6.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
7. 7.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) labels on every icon (d) text that can grow
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 16 px
   Label: 23 px
   Title: 13 px
   Body text: 18 px
   Footer: 27 px (a) Label (b) Title (c) Body text (d) Hint
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 21 px
   Body text: 9 px
   Title: 27 px
   Footer: 18 px (a) Body text (b) Title (c) Hint (d) Footer
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Footer: 17 px
    Hint: 23 px
    Title: 19 px
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Label: 21 px
    Body text: 12 px
    Title: 22 px
    Hint: 11 px
12. 12.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) colour as the only clue
13. 13.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Body text: 12 px
    Caption: 19 px
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Label: 18 px
    Hint: 24 px
    Footer: 9 px
    Menu: 23 px (a) Hint (b) Footer (c) Label (d) Caption
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) colour as the only clue (d) text that can grow
17. 17.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Menu: 23 px
    Body text: 9 px
    Title: 17 px
    Footer: 19 px (a) Menu (b) Body text (c) Title (d) Hint
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Label: 21 px
    Menu: 21 px
    Footer: 19 px
20. 20.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
21. 21.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) icons with no labels
22. 22.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Hint: 17 px
    Label: 16 px
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Label: 23 px
    Body text: 13 px
    Menu: 16 px (a) Label (b) Menu (c) Body text (d) Title
27. 27.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) captions on videos
28. 28.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
29. 29.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Title: 10 px
    Body text: 17 px
    Menu: 27 px (a) Body text (b) Menu (c) Title (d) Hint
31. 31.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
32. 32.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
33. 33.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) fast-flashing lights (d) colour as the only clue
34. 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Menu: 23 px
    Body text: 19 px
    Hint: 28 px (a) Label (b) Menu (c) Hint (d) Body text
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Label: 26 px
    Caption: 16 px
    Hint: 10 px (a) Caption (b) Body text (c) Label (d) Hint
37. 37.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 21 px
    Title: 13 px
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) sudden loud sounds
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 22 px
    Label: 21 px
    Footer: 23 px
    Hint: 22 px
    Body text: 11 px (a) Footer (b) Body text (c) Title (d) Label

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