App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 694 · 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?
   Body text: 24 px
   Hint: 23 px
   Menu: 16 px
   Title: 14 px (a) Body text (b) Menu (c) Title (d) Hint
2. 2.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
3. 3.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Menu: 23 px
   Footer: 26 px (a) Menu (b) Footer (c) Hint
5. 5.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
6. 6.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) big touch targets (d) tiny tap areas
8. 8.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 15 px
   Hint: 10 px
   Label: 11 px
10. 10.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) strong colour contrast (d) captions on videos
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Label: 21 px
    Footer: 28 px
    Body text: 11 px
    Caption: 25 px (a) Footer (b) Body text (c) Label (d) Title
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Hint: 16 px
    Caption: 22 px
    Footer: 21 px
    Title: 27 px (a) Footer (b) Label (c) Caption (d) Hint
14. 14.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
15. 15.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) strong colour contrast
16. 16.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
17. 17.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
18. 18.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
19. 19.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
21. 21.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) strong colour contrast (b) colour as the only clue (c) big touch targets (d) labels on every icon
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 15 px
    Title: 10 px
    Body text: 11 px
24. 24.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) text that can grow (d) strong colour contrast
25. 25.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a text label (d) a long animation
26. 26.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
27. 27.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Caption: 15 px
    Body text: 13 px
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.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
31. 31.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Footer: 23 px
    Label: 11 px (a) Label (b) Body text (c) Footer
33. 33.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) icons with no labels
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Title: 22 px
    Body text: 28 px
    Footer: 13 px (a) Footer (b) Body text (c) Title (d) Label
35. 35.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) big touch targets (d) icons with no labels
36. 36.True or false: “tiny tap areas” 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: 19 px
    Caption: 16 px
    Label: 18 px
    Menu: 11 px
    Title: 19 px
38. 38.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) strong colour contrast (d) tiny tap areas
39. 39.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True

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