App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 571 · 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: “sudden loud sounds” makes the app harder to use. (a) True (b) False
2. 2.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
3. 3.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
4. 4.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
5. 5.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) labels on every icon
6. 6.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
7. 7.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
8. 8.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 22 px
   Hint: 17 px
   Menu: 24 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Hint: 10 px
    Menu: 13 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 27 px
    Label: 14 px
    Footer: 21 px (a) Menu (b) Label (c) Footer
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Footer: 26 px
    Body text: 12 px
    Hint: 19 px (a) Body text (b) Footer (c) Title (d) Hint
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 17 px
    Caption: 11 px
    Footer: 26 px (a) Caption (b) Body text (c) Footer
14. 14.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Menu: 18 px
    Body text: 23 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 11 px
    Label: 20 px
    Hint: 17 px (a) Hint (b) Body text (c) Label
17. 17.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
18. 18.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
19. 19.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) captions on videos
20. 20.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
21. 21.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
22. 22.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 13 px
    Caption: 26 px
    Footer: 19 px (a) Hint (b) Caption (c) Body text (d) Footer
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) sudden loud sounds (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 20 px
    Menu: 16 px
    Body text: 21 px
    Caption: 9 px (a) Caption (b) Title (c) Body text (d) Menu
26. 26.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
27. 27.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “strong colour contrast” 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?
    Title: 24 px
    Label: 9 px
    Hint: 21 px
    Caption: 24 px
    Body text: 20 px (a) Caption (b) Hint (c) Label (d) Title
32. 32.Which of these helps everyone use the app? (a) text that can grow (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
33. 33.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the server (d) the battery
34. 34.Which of these helps everyone use the app? (a) icons with no labels (b) labels on every icon (c) tiny tap areas (d) colour as the only clue
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Body text: 17 px
    Menu: 17 px (a) Body text (b) Label (c) Menu
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 13 px
    Title: 19 px
    Caption: 18 px
    Body text: 17 px
    Footer: 27 px (a) Caption (b) Label (c) Body text (d) Title
37. 37.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) captions on videos (d) strong colour contrast
39. 39.♿ A screen has 11 icon buttons. Only 5 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. How many texts on this screen are too small?
    Caption: 20 px
    Footer: 11 px
    Hint: 24 px

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