App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 204 · 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.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) strong colour contrast
2. 2.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 19 px
   Title: 24 px
   Menu: 16 px
   Label: 14 px
   Hint: 22 px
4. 4.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 23 px
   Hint: 17 px
   Caption: 14 px
   Menu: 23 px
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 16 px
   Footer: 17 px
   Title: 14 px
   Label: 17 px
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) labels on every icon (c) fast-flashing lights (d) big touch targets
8. 8.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) tiny tap areas
9. 9.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Body text: 10 px
    Footer: 10 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Label: 14 px
    Footer: 19 px
    Menu: 20 px (a) Menu (b) Footer (c) Label (d) Body text
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Body text: 21 px
    Label: 16 px (a) Body text (b) Label (c) Hint
13. 13.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
15. 15.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) colour-blind users (d) fast typists
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Caption: 10 px
    Footer: 23 px
17. 17.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
18. 18.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
20. 20.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
22. 22.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
23. 23.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Title: 27 px
    Caption: 20 px
    Footer: 11 px (a) Caption (b) Title (c) Footer (d) Hint
26. 26.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
28. 28.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) tiny tap areas
29. 29.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Footer: 19 px
    Menu: 20 px
31. 31.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 13 px
    Hint: 21 px
    Footer: 19 px (a) Caption (b) Title (c) Hint (d) Footer
33. 33.♿ A screen has 8 icon buttons. Only 6 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. How many texts on this screen are too small?
    Body text: 23 px
    Footer: 16 px
    Caption: 10 px
    Menu: 21 px
    Label: 15 px
36. 36.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) sudden loud sounds (d) text that can grow
38. 38.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
39. 39.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) captions on videos
40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False

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