App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 816 · 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?
   Hint: 18 px
   Body text: 28 px
   Footer: 13 px
   Menu: 16 px
   Title: 19 px (a) Hint (b) Menu (c) Footer (d) Body text
2. 2.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
4. 4.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
5. 5.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 19 px
   Body text: 21 px
   Label: 19 px
   Hint: 12 px
   Title: 17 px (a) Hint (b) Body text (c) Footer (d) Label
7. 7.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
8. 8.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
9. 9.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
10. 10.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) text that can grow
12. 12.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
13. 13.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) colour as the only clue (d) icons with no labels
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) text that can grow (d) labels on every icon
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
17. 17.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
18. 18.♿ 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
19. 19.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
21. 21.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) big touch targets (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Title: 11 px
    Footer: 20 px
23. 23.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) labels on every icon (d) tiny tap areas
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 23 px
    Title: 20 px
    Menu: 17 px
    Caption: 11 px (a) Hint (b) Label (c) Title (d) Caption
25. 25.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
26. 26.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Title: 17 px
    Body text: 16 px (a) Title (b) Body text (c) Hint
28. 28.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
29. 29.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 23 px
    Title: 25 px
    Label: 10 px
    Caption: 18 px (a) Title (b) Menu (c) Caption (d) Label
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Label: 24 px
    Caption: 20 px
    Body text: 27 px
    Hint: 24 px (a) Body text (b) Caption (c) Label (d) Title
32. 32.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 14 px
    Body text: 24 px
    Label: 16 px
    Hint: 22 px
    Caption: 25 px (a) Body text (b) Hint (c) Label (d) Footer
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 10 px
    Label: 10 px
    Hint: 10 px
35. 35.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Menu: 11 px
    Title: 16 px
    Body text: 17 px
    Hint: 10 px
37. 37.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Title: 16 px
    Caption: 10 px (a) Title (b) Footer (c) Caption
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Label: 14 px
    Caption: 25 px
    Body text: 17 px (a) Title (b) Caption (c) Body text (d) Label
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Label: 14 px
    Hint: 12 px

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