App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 621 · 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: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 18 px
   Title: 9 px
   Footer: 20 px (a) Title (b) Hint (c) Footer
3. 3.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
4. 4.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the battery (c) fast typists (d) the server
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
7. 7.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
8. 8.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) strong colour contrast (d) sudden loud sounds
9. 9.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 22 px
    Label: 18 px
    Footer: 24 px
    Body text: 10 px
    Title: 16 px (a) Body text (b) Footer (c) Label (d) Hint
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 27 px
    Title: 10 px
    Body text: 21 px (a) Body text (b) Hint (c) Title
13. 13.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
15. 15.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
16. 16.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
17. 17.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) sudden loud sounds
18. 18.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
20. 20.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Menu: 18 px
    Footer: 18 px (a) Menu (b) Footer (c) Label
22. 22.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) icons with no labels (d) big touch targets
24. 24.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) tiny tap areas (d) icons with no labels
27. 27.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Footer: 27 px
    Body text: 23 px (a) Title (b) Footer (c) Body text
29. 29.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Menu: 16 px
    Label: 27 px
    Hint: 23 px (a) Hint (b) Body text (c) Label (d) Menu
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Title: 26 px
    Footer: 17 px
    Menu: 24 px
    Body text: 16 px (a) Menu (b) Footer (c) Title (d) Hint
33. 33.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) icons with no labels (d) text that can grow
34. 34.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
35. 35.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) text that can grow (d) fast-flashing lights
37. 37.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) text that can grow (d) sudden loud sounds
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 22 px
    Body text: 21 px
    Footer: 15 px
    Label: 13 px
    Caption: 12 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Title: 20 px
    Footer: 26 px
    Menu: 21 px
    Hint: 18 px (a) Body text (b) Title (c) Menu (d) Footer
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Hint: 18 px
    Title: 23 px

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