App Dev Worksheet: Accessibility

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

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