App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 661 · 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.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 11 px
   Label: 11 px
   Menu: 17 px
   Footer: 17 px
   Title: 21 px
3. 3.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 21 px
   Footer: 20 px
   Caption: 24 px
5. 5.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) labels on every icon
6. 6.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) sudden loud sounds
7. 7.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) colour as the only clue (d) captions on videos
8. 8.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
9. 9.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) fast-flashing lights
10. 10.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) fast-flashing lights (d) tiny tap areas
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
12. 12.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Caption: 13 px
    Menu: 11 px
    Label: 14 px
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Hint: 18 px
    Caption: 23 px
    Label: 14 px
    Title: 16 px (a) Menu (b) Hint (c) Label (d) Caption
15. 15.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Body text: 14 px
    Title: 16 px
    Label: 12 px
    Hint: 12 px
17. 17.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) text that can grow (d) sudden loud sounds
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 10 px
    Menu: 10 px
    Title: 18 px
    Hint: 15 px
20. 20.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
21. 21.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) fast-flashing lights
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 11 px
    Title: 13 px
    Body text: 16 px
24. 24.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
25. 25.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) captions on videos (d) text that can grow
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Caption: 17 px
    Hint: 13 px (a) Caption (b) Title (c) Hint
27. 27.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
28. 28.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Body text: 18 px
    Footer: 25 px
    Caption: 17 px (a) Body text (b) Menu (c) Caption (d) Footer
30. 30.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) labels on every icon (d) text that can grow
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Menu: 27 px
    Title: 12 px
    Hint: 20 px
    Label: 24 px (a) Title (b) Menu (c) Hint (d) Caption
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 14 px
    Body text: 27 px
    Hint: 27 px
    Caption: 28 px (a) Hint (b) Menu (c) Body text (d) Caption
33. 33.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Caption: 16 px
    Title: 14 px
    Hint: 24 px
    Footer: 19 px (a) Hint (b) Body text (c) Caption (d) Title
36. 36.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
37. 37.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
38. 38.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 12 px
    Label: 18 px
    Menu: 20 px
    Hint: 19 px

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