App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 341 · 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.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
2. 2.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) sudden loud sounds (d) tiny tap areas
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 20 px
   Hint: 22 px
   Caption: 18 px
   Title: 13 px
   Body text: 16 px
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) big touch targets
6. 6.Which of these helps everyone use the app? (a) big touch targets (b) tiny tap areas (c) fast-flashing lights (d) sudden loud sounds
7. 7.♿ 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
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 11 px
   Footer: 26 px
   Body text: 22 px (a) Body text (b) Label (c) Footer
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 17 px
   Menu: 13 px
   Label: 12 px
   Title: 14 px
10. 10.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Caption: 26 px
    Body text: 20 px (a) Body text (b) Menu (c) Caption
12. 12.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) captions on videos
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Caption: 10 px
    Title: 12 px
    Label: 11 px
    Menu: 10 px
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Label: 20 px
    Title: 23 px
    Hint: 18 px (a) Title (b) Hint (c) Body text (d) Label
15. 15.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 24 px
    Label: 24 px
    Body text: 16 px
    Hint: 18 px
    Menu: 9 px (a) Body text (b) Label (c) Title (d) Menu
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 12 px
    Menu: 24 px
    Title: 27 px (a) Title (b) Caption (c) Menu (d) Hint
18. 18.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) icons with no labels
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 20 px
    Label: 26 px
    Hint: 13 px
    Title: 23 px
    Caption: 22 px (a) Body text (b) Hint (c) Label (d) Title
20. 20.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
21. 21.Which of these makes the app harder to use? (a) fast-flashing lights (b) captions on videos (c) strong colour contrast (d) labels on every icon
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Label: 14 px
    Body text: 24 px
    Menu: 18 px
    Footer: 28 px (a) Menu (b) Body text (c) Hint (d) Label
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Hint: 24 px
    Menu: 24 px
    Footer: 23 px
    Body text: 18 px
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 26 px
    Menu: 26 px
    Body text: 10 px
    Footer: 17 px
    Title: 18 px (a) Body text (b) Menu (c) Footer (d) Hint
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Body text: 20 px
    Hint: 18 px
27. 27.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Hint: 11 px
    Menu: 23 px (a) Title (b) Hint (c) Menu
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
30. 30.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
31. 31.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) captions on videos
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) icons with no labels
33. 33.♿ A screen has 6 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?
    Hint: 10 px
    Label: 22 px
    Body text: 18 px
    Footer: 18 px (a) Body text (b) Label (c) Footer (d) Hint
35. 35.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Body text: 22 px
    Title: 14 px (a) Caption (b) Body text (c) Title
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Menu: 13 px
    Hint: 19 px
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
40. 40.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?

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