App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 791 · 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?
   Menu: 23 px
   Body text: 24 px
   Hint: 11 px
   Label: 13 px
2. 2.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
3. 3.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
4. 4.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) fast-flashing lights (d) captions on videos
6. 6.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
8. 8.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) text that can grow (d) tiny tap areas
9. 9.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) captions on videos (d) text that can grow
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 21 px
    Menu: 11 px
11. 11.♿ 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
12. 12.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
13. 13.♿ A screen has 8 icon buttons. Only 6 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: icons with no labels? (a) makes it harder (b) helps everyone
15. 15.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) strong colour contrast (d) text that can grow
16. 16.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) big touch targets
17. 17.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
18. 18.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
20. 20.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these makes the app harder to use? (a) icons with no labels (b) captions on videos (c) text that can grow (d) labels on every icon
22. 22.♿ A screen has 6 icon buttons. Only 5 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?
    Caption: 18 px
    Body text: 24 px
    Title: 10 px (a) Body text (b) Title (c) Caption
24. 24.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) big touch targets (d) strong colour contrast
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
26. 26.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Footer: 11 px
    Body text: 23 px
    Title: 26 px (a) Body text (b) Footer (c) Title (d) Hint
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Hint: 23 px
    Label: 19 px (a) Body text (b) Label (c) Hint
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 17 px
    Hint: 12 px
    Label: 23 px
    Body text: 17 px
    Caption: 20 px
30. 30.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) fast-flashing lights (d) colour as the only clue
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) to add colour (d) so anyone can follow
32. 32.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) sudden loud sounds (d) icons with no labels
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) sudden loud sounds (d) fast-flashing lights
34. 34.Which of these helps everyone use the app? (a) captions on videos (b) colour as the only clue (c) icons with no labels (d) sudden loud sounds
35. 35.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
37. 37.♿ What should every icon-only button have for screen readers? (a) a sound (b) a text label (c) a long animation (d) a bright colour
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 19 px
    Title: 11 px
    Label: 20 px
    Hint: 19 px (a) Hint (b) Menu (c) Title (d) Label
39. 39.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True

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