App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 127 · 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) colour as the only clue (b) icons with no labels (c) big touch targets (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
3. 3.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
4. 4.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 25 px
   Footer: 14 px
   Label: 20 px
   Body text: 25 px
   Title: 26 px (a) Body text (b) Footer (c) Label (d) Hint
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) captions on videos (d) big touch targets
7. 7.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 19 px
   Footer: 21 px
   Label: 15 px
8. 8.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “captions on videos” 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?
    Label: 24 px
    Menu: 13 px
    Body text: 21 px
    Caption: 12 px
    Title: 10 px
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.Which of these makes the app harder to use? (a) colour as the only clue (b) labels on every icon (c) text that can grow (d) captions on videos
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 21 px
    Body text: 17 px
    Label: 19 px
    Title: 12 px (a) Title (b) Hint (c) Body text (d) Label
14. 14.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
15. 15.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) big touch targets (d) icons with no labels
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Hint: 22 px
    Title: 27 px
    Label: 21 px (a) Label (b) Hint (c) Title (d) Caption
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) fast-flashing lights
19. 19.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
20. 20.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
21. 21.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
23. 23.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) sudden loud sounds (d) colour as the only clue
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) labels on every icon
27. 27.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
28. 28.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) sudden loud sounds (d) captions on videos
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Caption: 19 px
    Footer: 22 px
    Body text: 28 px (a) Body text (b) Footer (c) Title (d) Caption
30. 30.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
31. 31.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) captions on videos (d) colour as the only clue
32. 32.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) tiny tap areas (d) strong colour contrast
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) sudden loud sounds (d) strong colour contrast
34. 34.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) labels on every icon
35. 35.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
36. 36.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
37. 37.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 17 px
    Menu: 19 px
    Hint: 15 px
    Title: 19 px
    Label: 15 px
39. 39.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) fast-flashing lights (d) big touch targets

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