App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 355 · 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?
   Footer: 14 px
   Title: 21 px
   Hint: 15 px
   Body text: 24 px
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 22 px
   Menu: 13 px
   Footer: 19 px
   Label: 21 px
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 18 px
   Title: 21 px
   Hint: 10 px
   Menu: 19 px (a) Footer (b) Title (c) Hint (d) Menu
4. 4.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
5. 5.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 24 px
   Footer: 20 px
   Body text: 10 px
   Menu: 28 px (a) Menu (b) Body text (c) Footer (d) Hint
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 20 px
   Label: 16 px
   Hint: 18 px
   Footer: 10 px
   Menu: 23 px (a) Footer (b) Label (c) Body text (d) Hint
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 12 px
   Menu: 10 px
   Label: 12 px
9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) big touch targets (c) colour as the only clue (d) sudden loud sounds
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Label: 18 px
    Caption: 22 px
    Footer: 17 px (a) Label (b) Caption (c) Title (d) Footer
12. 12.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
13. 13.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 10 px
    Body text: 18 px
    Title: 28 px
    Menu: 26 px (a) Title (b) Body text (c) Menu (d) Caption
15. 15.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
16. 16.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) icons with no labels (d) big touch targets
17. 17.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
18. 18.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) strong colour contrast (d) sudden loud sounds
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Footer: 15 px
    Title: 15 px
21. 21.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
22. 22.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
23. 23.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
24. 24.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 19 px
    Label: 11 px
    Menu: 24 px (a) Hint (b) Title (c) Menu (d) Label
26. 26.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Hint: 19 px
    Label: 12 px (a) Hint (b) Label (c) Caption
28. 28.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
29. 29.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) text that can grow (d) icons with no labels
30. 30.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) strong colour contrast (d) captions on videos
31. 31.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) labels on every icon
32. 32.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) the server (c) fast typists (d) the battery
34. 34.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Title: 20 px
    Footer: 18 px
36. 36.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
37. 37.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
38. 38.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) text that can grow (d) captions on videos
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 10 px
    Caption: 19 px (a) Body text (b) Caption (c) Hint
40. 40.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone

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