App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 811 · 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. Which text on this screen is too small?
   Caption: 14 px
   Label: 23 px
   Footer: 18 px (a) Footer (b) Label (c) Caption
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.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a bright colour (c) a sound (d) a text label
4. 4.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) colour as the only clue
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 20 px
   Caption: 23 px
   Body text: 10 px (a) Menu (b) Body text (c) Caption
6. 6.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) labels on every icon (d) strong colour contrast
9. 9.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) strong colour contrast (d) colour as the only clue
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Label: 20 px
    Menu: 22 px
    Title: 21 px (a) Label (b) Hint (c) Menu (d) Title
11. 11.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
12. 12.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
13. 13.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) tiny tap areas
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 21 px
    Menu: 18 px
    Hint: 18 px
15. 15.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) icons with no labels
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Menu: 19 px
    Label: 21 px
    Caption: 25 px
    Footer: 9 px (a) Title (b) Menu (c) Label (d) Footer
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Caption: 20 px
    Label: 18 px
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 25 px
    Title: 16 px
    Body text: 13 px (a) Title (b) Body text (c) Caption
19. 19.True or false: “colour as the only clue” makes the app harder to use. (a) True (b) False
20. 20.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) captions on videos
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 17 px
    Hint: 16 px
    Footer: 10 px
    Caption: 13 px
22. 22.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
23. 23.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
26. 26.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
27. 27.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Title: 11 px
    Menu: 20 px
    Footer: 23 px (a) Menu (b) Footer (c) Title (d) Label
29. 29.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
30. 30.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
31. 31.♿ Why add captions to videos? (a) to hide the sound (b) to slow them down (c) so anyone can follow (d) to add colour
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
33. 33.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Title: 16 px
    Label: 16 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Footer: 22 px
    Hint: 16 px
    Menu: 25 px (a) Menu (b) Footer (c) Title (d) Hint
36. 36.Which of these makes the app harder to use? (a) tiny tap areas (b) text that can grow (c) big touch targets (d) labels on every icon
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 17 px
    Title: 16 px
    Label: 26 px
    Menu: 10 px
    Caption: 27 px (a) Menu (b) Title (c) Hint (d) Label
38. 38.♿ What does a screen reader do? (a) reads the screen aloud (b) plays music (c) takes photos (d) makes text tiny
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) big touch targets
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Title: 15 px
    Caption: 19 px
    Hint: 12 px

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