App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 748 · 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) sudden loud sounds (b) big touch targets (c) tiny tap areas (d) fast-flashing lights
2. 2.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) sudden loud sounds (d) captions on videos
3. 3.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
4. 4.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 24 px
   Body text: 19 px
   Title: 25 px
   Label: 21 px
   Menu: 11 px (a) Body text (b) Title (c) Menu (d) Footer
6. 6.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
7. 7.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) fast-flashing lights (d) labels on every icon
8. 8.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
9. 9.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
10. 10.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) takes photos (d) makes text tiny
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Label: 18 px
    Caption: 15 px
    Body text: 17 px
12. 12.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
13. 13.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
14. 14.Which of these makes the app harder to use? (a) tiny tap areas (b) strong colour contrast (c) big touch targets (d) text that can grow
15. 15.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) icons with no labels (d) big touch targets
16. 16.🔍 Which is the odd one out? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) tiny tap areas
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Title: 25 px
    Caption: 9 px
    Body text: 26 px
    Hint: 28 px (a) Menu (b) Body text (c) Title (d) Caption
18. 18.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
19. 19.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
20. 20.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) tiny tap areas (d) colour as the only clue
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Hint: 22 px
    Menu: 19 px
23. 23.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
24. 24.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
26. 26.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Body text: 14 px
    Title: 22 px (a) Body text (b) Footer (c) Title
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
29. 29.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) icons with no labels (d) colour as the only clue
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) colour as the only clue (c) captions on videos (d) big touch targets
31. 31.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
32. 32.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
33. 33.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
34. 34.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Title: 18 px
    Menu: 22 px
36. 36.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
37. 37.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Body text: 20 px
    Title: 24 px (a) Body text (b) Label (c) Title
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Caption: 23 px
    Label: 13 px (a) Label (b) Caption (c) Body text
40. 40.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?

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