App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 636 · 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.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 14 px
   Label: 20 px
   Body text: 17 px
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) fast-flashing lights (d) captions on videos
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
7. 7.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
8. 8.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) captions on videos (d) big touch targets
10. 10.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) tiny tap areas (d) strong colour contrast
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Menu: 11 px
    Caption: 23 px
    Hint: 25 px (a) Menu (b) Caption (c) Hint (d) Title
13. 13.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Body text: 11 px
    Caption: 24 px
    Label: 22 px
15. 15.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) tiny tap areas
16. 16.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) text that can grow (d) strong colour contrast
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 11 px
    Hint: 19 px
    Menu: 28 px (a) Footer (b) Hint (c) Menu
18. 18.♿ Why add captions to videos? (a) to add colour (b) to slow them down (c) to hide the sound (d) so anyone can follow
19. 19.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
20. 20.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a bright colour (d) a long animation
21. 21.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Label: 19 px
    Menu: 26 px
    Caption: 22 px (a) Footer (b) Label (c) Menu (d) Caption
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 12 px
    Footer: 12 px
    Caption: 21 px
    Title: 17 px
    Label: 12 px
24. 24.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 17 px
    Footer: 14 px
    Menu: 19 px (a) Body text (b) Footer (c) Hint (d) Menu
26. 26.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) captions on videos (d) colour as the only clue
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) sudden loud sounds (d) labels on every icon
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Body text: 28 px
    Footer: 24 px
    Caption: 27 px (a) Body text (b) Caption (c) Footer (d) Hint
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 18 px
    Menu: 24 px
    Body text: 13 px
    Footer: 12 px
30. 30.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Hint: 25 px
    Menu: 18 px
    Body text: 23 px (a) Title (b) Menu (c) Body text (d) Hint
33. 33.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) strong colour contrast (d) colour as the only clue
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
36. 36.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Caption: 19 px
    Menu: 23 px (a) Label (b) Menu (c) Caption
38. 38.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Label: 21 px
    Title: 14 px
    Footer: 24 px
    Body text: 24 px
40. 40.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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