App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 130 · 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) tiny tap areas (b) big touch targets (c) sudden loud sounds (d) colour as the only clue
2. 2.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
3. 3.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) strong colour contrast (d) text that can grow
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.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 10 px
   Body text: 23 px
   Menu: 16 px
   Caption: 20 px
7. 7.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
8. 8.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
9. 9.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
10. 10.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) sudden loud sounds
11. 11.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.🔍 Which is the odd one out? (a) big touch targets (b) tiny tap areas (c) captions on videos (d) labels on every icon
13. 13.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) fast-flashing lights (d) captions on videos
14. 14.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
15. 15.Which of these makes the app harder to use? (a) strong colour contrast (b) tiny tap areas (c) text that can grow (d) labels on every icon
16. 16.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
18. 18.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.♿ A screen has 11 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. How many texts on this screen are too small?
    Body text: 12 px
    Caption: 19 px
    Menu: 24 px
24. 24.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 10 px
    Hint: 16 px
    Label: 19 px (a) Title (b) Body text (c) Label (d) Hint
26. 26.♿ A screen has 11 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
27. 27.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Title: 24 px
    Menu: 24 px
29. 29.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Menu: 22 px
    Footer: 19 px
    Body text: 11 px
    Caption: 17 px (a) Footer (b) Body text (c) Menu (d) Hint
31. 31.♿ What should every icon-only button have for screen readers? (a) a sound (b) a long animation (c) a bright colour (d) a text label
32. 32.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
33. 33.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) big touch targets (d) captions on videos
34. 34.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
36. 36.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
37. 37.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 10 px
    Caption: 15 px
    Title: 24 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 19 px
    Hint: 13 px
    Menu: 27 px
    Caption: 20 px
    Title: 19 px (a) Caption (b) Label (c) Hint (d) Menu
40. 40.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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