App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 91 · 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 of these helps everyone use the app? (a) strong colour contrast (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
2. 2.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) icons with no labels (d) fast-flashing lights
3. 3.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
4. 4.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
5. 5.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
6. 6.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
7. 7.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
9. 9.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
10. 10.🔍 Which is the odd one out? (a) sudden loud sounds (b) text that can grow (c) fast-flashing lights (d) colour as the only clue
11. 11.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 10 px
    Label: 11 px
    Body text: 24 px
    Footer: 10 px
13. 13.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) labels on every icon (d) text that can grow
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) icons with no labels (d) captions on videos
16. 16.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
17. 17.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) big touch targets
19. 19.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Title: 16 px
    Hint: 19 px (a) Footer (b) Title (c) Hint
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Hint: 24 px
    Menu: 10 px (a) Title (b) Hint (c) Menu
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Title: 19 px
    Caption: 19 px
    Footer: 22 px (a) Footer (b) Title (c) Body text (d) Caption
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Label: 22 px
    Caption: 15 px
24. 24.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
25. 25.♿ Accessibility means an app works for ___. (a) nobody (b) everyone (c) only experts (d) only the coder
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.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) icons with no labels
28. 28.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
29. 29.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Hint: 20 px
    Label: 24 px (a) Label (b) Hint (c) Caption
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 24 px
    Menu: 14 px
    Label: 15 px
32. 32.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Footer: 18 px
    Menu: 13 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Hint: 18 px
    Menu: 16 px
    Label: 18 px
35. 35.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) tiny tap areas (d) icons with no labels
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Caption: 12 px
    Menu: 18 px (a) Caption (b) Title (c) Menu
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Label: 16 px
    Hint: 10 px
    Body text: 19 px
    Title: 19 px (a) Body text (b) Hint (c) Label (d) Caption
38. 38.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) fast-flashing lights (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Hint: 23 px
    Label: 16 px
    Body text: 10 px
    Caption: 15 px

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