App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 536 · 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.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
2. 2.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) icons with no labels
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 11 px
   Menu: 12 px
   Label: 15 px
5. 5.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
6. 6.♿ 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
7. 7.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
8. 8.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
9. 9.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) tiny tap areas (d) big touch targets
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 16 px
    Body text: 22 px
    Title: 11 px
    Hint: 17 px (a) Hint (b) Body text (c) Title (d) Caption
11. 11.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Body text: 19 px
    Label: 16 px (a) Body text (b) Hint (c) Label
13. 13.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
14. 14.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
15. 15.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Why add captions to videos? (a) so anyone can follow (b) to hide the sound (c) to slow them down (d) to add colour
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Menu: 18 px
    Footer: 22 px
    Hint: 21 px
18. 18.Which of these makes the app harder to use? (a) fast-flashing lights (b) labels on every icon (c) captions on videos (d) big touch targets
19. 19.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
20. 20.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
21. 21.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) strong colour contrast (d) icons with no labels
22. 22.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
24. 24.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
25. 25.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Title: 13 px
    Body text: 26 px
    Hint: 18 px
    Label: 20 px (a) Body text (b) Title (c) Hint (d) Menu
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Footer: 20 px
    Body text: 20 px
28. 28.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 26 px
    Menu: 26 px
    Footer: 20 px
    Body text: 14 px
    Title: 24 px (a) Footer (b) Body text (c) Menu (d) Label
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Caption: 19 px
    Menu: 20 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Title: 25 px
    Body text: 28 px (a) Title (b) Body text (c) Hint
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Menu: 11 px
    Label: 24 px
    Hint: 22 px
    Title: 18 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Label: 11 px
    Caption: 18 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Label: 23 px
    Title: 23 px
    Footer: 22 px
    Hint: 19 px (a) Footer (b) Body text (c) Label (d) Title
35. 35.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) icons with no labels
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Menu: 17 px
    Hint: 22 px
    Footer: 13 px
37. 37.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
38. 38.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) makes text tiny (d) takes photos
39. 39.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
40. 40.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False

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