App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 548 · 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.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) sudden loud sounds
3. 3.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
4. 4.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
5. 5.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a text label (c) a sound (d) a bright colour
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) icons with no labels (d) text that can grow
7. 7.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
8. 8.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) strong colour contrast
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Label: 19 px
    Caption: 25 px
    Title: 16 px
    Footer: 13 px (a) Footer (b) Label (c) Menu (d) Caption
11. 11.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 22 px
    Hint: 28 px
    Menu: 9 px
    Body text: 28 px (a) Caption (b) Body text (c) Hint (d) Menu
13. 13.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
14. 14.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) labels on every icon (d) strong colour contrast
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Menu: 13 px
    Footer: 23 px
    Label: 21 px
    Hint: 19 px (a) Label (b) Footer (c) Menu (d) Body text
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) fast-flashing lights (c) text that can grow (d) labels on every icon
18. 18.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) sudden loud sounds (d) icons with no labels
19. 19.Which of these makes the app harder to use? (a) strong colour contrast (b) sudden loud sounds (c) captions on videos (d) labels on every icon
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) strong colour contrast
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) colour as the only clue (c) captions on videos (d) strong colour contrast
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Hint: 21 px
    Label: 15 px
    Title: 21 px
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 23 px
    Caption: 19 px
    Body text: 9 px
    Footer: 16 px (a) Label (b) Caption (c) Footer (d) Body text
24. 24.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) fast-flashing lights (d) icons with no labels
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) text that can grow (d) strong colour contrast
27. 27.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) sudden loud sounds (d) colour as the only clue
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Caption: 12 px
    Body text: 20 px
    Menu: 24 px
    Label: 17 px
29. 29.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Footer: 18 px
    Hint: 12 px
    Caption: 10 px
    Menu: 14 px
32. 32.Which of these helps everyone use the app? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) text that can grow
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 13 px
    Menu: 18 px
    Footer: 16 px
    Caption: 20 px
    Label: 21 px (a) Footer (b) Menu (c) Title (d) Caption
34. 34.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) colour-blind users (d) the server
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 10 px
    Menu: 16 px (a) Caption (b) Title (c) Menu
36. 36.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
37. 37.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Title: 25 px
    Menu: 14 px
    Body text: 26 px (a) Body text (b) Title (c) Footer (d) Menu
39. 39.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) strong colour contrast (d) captions on videos

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