App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 356 · 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: 9 px
   Title: 20 px
   Footer: 17 px
   Caption: 19 px (a) Body text (b) Caption (c) Title (d) Footer
2. 2.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 27 px
   Hint: 10 px
   Caption: 28 px (a) Caption (b) Hint (c) Title
5. 5.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) captions on videos
6. 6.Which of these makes the app harder to use? (a) text that can grow (b) sudden loud sounds (c) captions on videos (d) labels on every icon
7. 7.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 23 px
   Hint: 10 px
   Menu: 14 px
9. 9.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) text that can grow (d) big touch targets
11. 11.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
12. 12.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 19 px
    Label: 11 px
    Hint: 18 px
    Footer: 27 px (a) Hint (b) Label (c) Caption (d) Footer
14. 14.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a 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. How many texts on this screen are too small?
    Menu: 19 px
    Body text: 18 px
    Hint: 17 px
17. 17.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
18. 18.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
19. 19.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Menu: 17 px
    Footer: 21 px
    Hint: 24 px
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Footer: 18 px
    Menu: 16 px
    Label: 26 px
    Title: 28 px (a) Label (b) Menu (c) Body text (d) Footer
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Menu: 19 px
    Body text: 16 px
23. 23.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
24. 24.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Hint: 18 px
    Body text: 16 px (a) Hint (b) Body text (c) Menu
26. 26.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) tiny tap areas (d) sudden loud sounds
29. 29.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
30. 30.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Caption: 18 px
    Label: 15 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Body text: 23 px
    Hint: 11 px
33. 33.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
34. 34.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) colour as the only clue
35. 35.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
36. 36.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) strong colour contrast
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 16 px
    Title: 13 px
    Hint: 11 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 12 px
    Label: 11 px
    Menu: 16 px
39. 39.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Footer: 16 px
    Label: 20 px
    Menu: 27 px
    Body text: 19 px (a) Label (b) Footer (c) Caption (d) Menu

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