App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 121 · 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. How many texts on this screen are too small?
   Label: 11 px
   Title: 24 px
   Body text: 17 px
2. 2.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 24 px
   Footer: 11 px
   Caption: 16 px
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 16 px
   Body text: 26 px
   Title: 9 px (a) Title (b) Body text (c) Menu
5. 5.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
6. 6.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) tiny tap areas (d) colour as the only clue
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 26 px
   Title: 20 px
   Footer: 17 px
   Body text: 9 px
   Menu: 19 px (a) Footer (b) Title (c) Body text (d) Label
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 23 px
   Caption: 22 px
   Footer: 25 px
   Body text: 10 px (a) Caption (b) Body text (c) Footer (d) Menu
9. 9.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Caption: 19 px
    Title: 18 px (a) Label (b) Caption (c) Title
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) labels on every icon (d) sudden loud sounds
12. 12.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Body text: 19 px
    Footer: 25 px
    Label: 17 px
    Menu: 16 px (a) Hint (b) Label (c) Body text (d) Footer
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 23 px
    Label: 16 px
    Body text: 26 px
    Caption: 20 px (a) Body text (b) Title (c) Hint (d) Label
15. 15.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) fast-flashing lights (d) sudden loud sounds
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Title: 17 px
    Label: 10 px (a) Hint (b) Title (c) Label
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) tiny tap areas
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Hint: 18 px
    Body text: 15 px
    Menu: 13 px
21. 21.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) big touch targets (d) text that can grow
22. 22.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 28 px
    Body text: 13 px
    Hint: 28 px
    Menu: 24 px
    Label: 18 px (a) Title (b) Hint (c) Body text (d) Menu
24. 24.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 16 px
    Body text: 23 px
    Label: 13 px (a) Footer (b) Body text (c) Label
26. 26.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) the server (d) colour-blind users
28. 28.🔍 Which is the odd one out? (a) big touch targets (b) captions on videos (c) labels on every icon (d) sudden loud sounds
29. 29.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) icons with no labels (d) tiny tap areas
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Label: 16 px
    Footer: 11 px
31. 31.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) icons with no labels (d) strong colour contrast
33. 33.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Title: 20 px
    Footer: 18 px
    Menu: 11 px (a) Body text (b) Menu (c) Footer (d) Title
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Body text: 28 px
    Title: 9 px
    Menu: 16 px
    Label: 17 px (a) Caption (b) Menu (c) Title (d) Body text
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Menu: 13 px
    Title: 26 px
    Caption: 17 px (a) Body text (b) Title (c) Caption (d) Menu
38. 38.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
39. 39.♿ A screen has 12 icon buttons. Only 1 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: 28 px
    Label: 16 px
    Hint: 10 px
    Title: 21 px (a) Label (b) Caption (c) Title (d) Hint

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