App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 379 · 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?
   Title: 16 px
   Label: 11 px
   Body text: 23 px
   Hint: 13 px
2. 2.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) big touch targets
3. 3.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
4. 4.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
6. 6.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) captions on videos (d) strong colour contrast
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 24 px
   Hint: 13 px
   Footer: 23 px
   Body text: 18 px (a) Label (b) Body text (c) Footer (d) Hint
8. 8.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
9. 9.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
10. 10.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) reads the screen aloud (d) plays music
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) strong colour contrast (d) sudden loud sounds
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 20 px
    Footer: 10 px
    Hint: 21 px
14. 14.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Menu: 19 px
    Caption: 17 px
    Label: 9 px (a) Menu (b) Title (c) Caption (d) Label
16. 16.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) big touch targets
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 11 px
    Caption: 10 px
    Menu: 16 px
19. 19.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
20. 20.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Footer: 24 px
    Body text: 22 px (a) Body text (b) Label (c) Footer
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Footer: 22 px
    Caption: 9 px (a) Caption (b) Body text (c) Footer
26. 26.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Hint: 20 px
    Menu: 13 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Title: 14 px
    Hint: 12 px
    Label: 19 px
29. 29.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Hint: 24 px
    Label: 16 px
31. 31.Which of these helps everyone use the app? (a) icons with no labels (b) tiny tap areas (c) labels on every icon (d) sudden loud sounds
32. 32.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) captions on videos (d) tiny tap areas
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) big touch targets (d) icons with no labels
35. 35.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
36. 36.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
37. 37.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 18 px
    Label: 17 px
    Caption: 13 px
    Footer: 16 px
    Title: 23 px (a) Menu (b) Caption (c) Footer (d) Label
39. 39.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
40. 40.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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