App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 51 · 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.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) text that can grow (d) icons with no labels
3. 3.♿ What should every icon-only button have for screen readers? (a) a sound (b) a bright colour (c) a long animation (d) a text label
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
5. 5.Which of these makes the app harder to use? (a) labels on every icon (b) captions on videos (c) strong colour contrast (d) icons with no labels
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 28 px
   Label: 9 px
   Menu: 27 px (a) Label (b) Menu (c) Footer
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) strong colour contrast (d) tiny tap areas
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 12 px
   Hint: 22 px
   Title: 12 px
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 24 px
   Label: 16 px
   Footer: 20 px
   Title: 9 px
   Hint: 26 px (a) Footer (b) Caption (c) Label (d) Title
10. 10.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) sudden loud sounds (d) icons with no labels
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) text that can grow (d) captions on videos
12. 12.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
13. 13.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 19 px
    Footer: 14 px
    Hint: 13 px
    Title: 14 px
    Caption: 18 px
15. 15.♿ A screen has 9 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) captions on videos (b) big touch targets (c) colour as the only clue (d) labels on every icon
17. 17.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
18. 18.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) labels on every icon
19. 19.♿ What does a screen reader do? (a) makes text tiny (b) takes photos (c) plays music (d) reads the screen aloud
20. 20.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Footer: 19 px
    Body text: 10 px (a) Title (b) Body text (c) Footer
22. 22.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) text that can grow (d) sudden loud sounds
23. 23.Which of these helps everyone use the app? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) tiny tap areas
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Title: 16 px
    Body text: 14 px
25. 25.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
26. 26.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) big touch targets (d) sudden loud sounds
27. 27.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
28. 28.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
29. 29.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Footer: 26 px
    Label: 21 px (a) Label (b) Hint (c) Footer
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Hint: 20 px
    Footer: 11 px
    Caption: 13 px
34. 34.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Body text: 12 px
    Hint: 14 px
    Menu: 15 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 14 px
    Footer: 23 px
    Title: 19 px
    Label: 11 px
    Body text: 24 px
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Caption: 16 px
    Title: 14 px (a) Hint (b) Title (c) Caption
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
40. 40.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False

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