App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 554 · 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?
   Caption: 13 px
   Label: 10 px
   Title: 20 px
2. 2.🔍 Which is the odd one out? (a) strong colour contrast (b) labels on every icon (c) colour as the only clue (d) captions on videos
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) captions on videos (d) tiny tap areas
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 18 px
   Label: 9 px
   Footer: 16 px (a) Footer (b) Label (c) Body text
6. 6.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 13 px
   Menu: 16 px
   Caption: 19 px
   Footer: 26 px
   Label: 28 px (a) Title (b) Footer (c) Caption (d) Menu
8. 8.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) text that can grow
9. 9.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Title: 13 px
    Menu: 12 px
11. 11.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 19 px
    Body text: 19 px
    Footer: 10 px
    Title: 10 px
14. 14.Which of these helps everyone use the app? (a) text that can grow (b) icons with no labels (c) sudden loud sounds (d) fast-flashing lights
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Caption: 13 px
    Body text: 13 px
    Hint: 22 px
    Footer: 11 px
16. 16.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Body text: 19 px
    Caption: 11 px (a) Label (b) Body text (c) Caption
18. 18.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) big touch targets (d) labels on every icon
19. 19.♿ What does a screen reader do? (a) takes photos (b) makes text tiny (c) plays music (d) reads the screen aloud
20. 20.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) colour as the only clue (d) labels on every icon
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Hint: 19 px
    Label: 20 px
    Footer: 18 px (a) Footer (b) Label (c) Hint (d) Body text
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Body text: 21 px
    Hint: 12 px
    Title: 18 px
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Caption: 15 px
    Label: 13 px
    Body text: 16 px
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Caption: 15 px
    Menu: 24 px
    Title: 12 px
    Label: 10 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Menu: 24 px
    Title: 18 px
26. 26.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Menu: 21 px
    Caption: 16 px
    Hint: 23 px
    Footer: 15 px
28. 28.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
30. 30.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
31. 31.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
32. 32.Which of these makes the app harder to use? (a) icons with no labels (b) strong colour contrast (c) captions on videos (d) labels on every icon
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Label: 17 px
    Footer: 25 px
    Caption: 10 px
    Menu: 23 px (a) Caption (b) Label (c) Hint (d) Footer
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Footer: 23 px
    Hint: 20 px
    Caption: 25 px
    Title: 18 px (a) Caption (b) Hint (c) Footer (d) Body text
35. 35.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) icons with no labels (d) tiny tap areas
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 17 px
    Title: 15 px
    Label: 23 px
    Hint: 11 px
37. 37.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
38. 38.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Hint: 23 px
    Body text: 14 px
    Label: 20 px
    Title: 11 px
40. 40.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) nobody (d) only the coder

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