App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 457 · 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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
2. 2.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 12 px
   Footer: 20 px
   Label: 20 px (a) Label (b) Title (c) Footer
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Caption: 24 px
   Title: 20 px (a) Caption (b) Title (c) Hint
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 25 px
   Label: 11 px
   Body text: 27 px (a) Title (b) Body text (c) Label
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 17 px
   Label: 28 px
   Footer: 11 px (a) Label (b) Footer (c) Caption
7. 7.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) labels on every icon
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
9. 9.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
11. 11.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Body text: 14 px
    Menu: 11 px
    Caption: 20 px
    Footer: 13 px
13. 13.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
14. 14.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
16. 16.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Title: 17 px
    Footer: 20 px
    Body text: 10 px
    Hint: 20 px
18. 18.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
19. 19.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 19 px
    Title: 17 px
    Body text: 10 px (a) Footer (b) Body text (c) Title
21. 21.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
22. 22.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Body text: 22 px
    Caption: 16 px
    Menu: 17 px
    Label: 14 px (a) Caption (b) Hint (c) Label (d) Body text
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Hint: 24 px
    Footer: 11 px
    Title: 13 px
    Label: 16 px
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Menu: 18 px
    Footer: 17 px
    Title: 9 px (a) Title (b) Menu (c) Footer (d) Caption
28. 28.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 21 px
    Footer: 10 px
    Label: 13 px
30. 30.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Footer: 15 px
    Body text: 23 px
    Title: 18 px
32. 32.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Footer: 18 px
    Label: 23 px (a) Footer (b) Menu (c) Label
34. 34.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) strong colour contrast
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) text that can grow
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 12 px
    Caption: 10 px
    Body text: 12 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Hint: 20 px
    Body text: 16 px
38. 38.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
39. 39.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True

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