App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 117 · 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) icons with no labels (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 16 px
   Body text: 10 px
   Caption: 15 px
3. 3.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) big touch targets (c) tiny tap areas (d) icons with no labels
5. 5.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 24 px
   Caption: 15 px
   Body text: 10 px
   Label: 21 px
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 21 px
   Title: 24 px
   Hint: 22 px
   Footer: 28 px
   Menu: 9 px (a) Menu (b) Hint (c) Body text (d) Title
9. 9.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) tiny tap areas
11. 11.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
12. 12.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) text that can grow (d) big touch targets
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Menu: 11 px
    Footer: 23 px
    Hint: 21 px
    Title: 19 px (a) Body text (b) Menu (c) Footer (d) Hint
14. 14.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Caption: 13 px
    Footer: 21 px (a) Caption (b) Footer (c) Title
16. 16.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
17. 17.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) captions on videos
19. 19.Which of these makes the app harder to use? (a) strong colour contrast (b) fast-flashing lights (c) text that can grow (d) big touch targets
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Label: 19 px
    Body text: 28 px
    Menu: 12 px (a) Label (b) Body text (c) Caption (d) Menu
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
23. 23.Which of these makes the app harder to use? (a) big touch targets (b) labels on every icon (c) captions on videos (d) colour as the only clue
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Title: 24 px
    Footer: 24 px
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
26. 26.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
27. 27.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) sudden loud sounds (d) captions on videos
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Caption: 9 px
    Body text: 17 px (a) Label (b) Body text (c) Caption
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Label: 13 px
    Body text: 18 px
    Title: 22 px
    Footer: 11 px
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Menu: 22 px
    Hint: 23 px
    Body text: 25 px
    Footer: 25 px (a) Hint (b) Menu (c) Body text (d) Title
33. 33.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 27 px
    Label: 14 px
    Title: 24 px
    Hint: 25 px (a) Title (b) Hint (c) Label (d) Caption
35. 35.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Body text: 16 px
    Menu: 17 px
    Label: 13 px
    Caption: 15 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Title: 15 px
    Caption: 12 px
    Menu: 14 px
    Label: 16 px
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) icons with no labels
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Label: 15 px
    Body text: 21 px
    Menu: 17 px

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