App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 590 · 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: colour as the only clue? (a) makes it harder (b) helps everyone
2. 2.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) labels on every icon
3. 3.🔍 Which is the odd one out? (a) big touch targets (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 13 px
   Menu: 23 px
   Body text: 12 px
   Caption: 21 px
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 10 px
   Caption: 25 px
   Hint: 23 px
   Footer: 20 px (a) Caption (b) Title (c) Footer (d) Hint
6. 6.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) labels on every icon
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 22 px
   Hint: 22 px
   Label: 13 px (a) Label (b) Hint (c) Menu
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 25 px
   Menu: 11 px
   Title: 23 px
   Caption: 22 px (a) Caption (b) Label (c) Title (d) Menu
9. 9.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) icons with no labels
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Body text: 21 px
    Caption: 17 px (a) Caption (b) Body text (c) Title
11. 11.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) colour as the only clue (d) text that can grow
12. 12.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) big touch targets (d) strong colour contrast
13. 13.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
14. 14.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) icons with no labels
16. 16.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Title: 26 px
    Body text: 27 px
    Footer: 28 px
    Menu: 21 px (a) Body text (b) Footer (c) Hint (d) Title
20. 20.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
21. 21.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Menu: 18 px
    Title: 14 px
    Footer: 26 px (a) Footer (b) Hint (c) Menu (d) Title
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Menu: 17 px
    Footer: 11 px (a) Menu (b) Hint (c) Footer
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Menu: 27 px
    Hint: 21 px
    Caption: 16 px
    Label: 10 px (a) Menu (b) Hint (c) Label (d) Footer
25. 25.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) the battery (d) colour-blind users
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 16 px
    Body text: 10 px
    Title: 13 px
    Hint: 15 px
27. 27.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
28. 28.Which of these makes the app harder to use? (a) fast-flashing lights (b) strong colour contrast (c) big touch targets (d) captions on videos
29. 29.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
30. 30.♿ 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
31. 31.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Footer: 21 px
    Body text: 12 px
    Caption: 21 px
    Label: 13 px
33. 33.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
34. 34.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
35. 35.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Footer: 20 px
    Label: 11 px
    Caption: 12 px
37. 37.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Menu: 19 px
    Caption: 10 px
    Title: 14 px
    Body text: 17 px
40. 40.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone

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