App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 614 · 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 slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 10 px
   Caption: 24 px
   Hint: 24 px
   Title: 20 px (a) Caption (b) Hint (c) Title (d) Body text
3. 3.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
4. 4.♿ A screen has 10 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) fast-flashing lights (d) icons with no labels
6. 6.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
7. 7.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) nobody (d) only experts
8. 8.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) captions on videos (d) labels on every icon
10. 10.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) sudden loud sounds (d) icons with no labels
12. 12.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) colour as the only clue (d) strong colour contrast
13. 13.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Menu: 22 px
    Hint: 20 px
    Caption: 24 px (a) Title (b) Hint (c) Caption (d) Menu
16. 16.Which of these helps everyone use the app? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) icons with no labels
17. 17.Which of these makes the app harder to use? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) big touch targets
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) text that can grow (d) tiny tap areas
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) captions on videos (d) sudden loud sounds
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Label: 23 px
    Title: 11 px
21. 21.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 13 px
    Caption: 17 px
    Hint: 17 px
    Footer: 26 px (a) Footer (b) Menu (c) Caption (d) Hint
23. 23.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
24. 24.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) strong colour contrast (d) labels on every icon
25. 25.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
26. 26.♿ What should every icon-only button have for screen readers? (a) a text label (b) a sound (c) a bright colour (d) a long animation
27. 27.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Label: 13 px
    Hint: 19 px
    Caption: 17 px
    Body text: 13 px
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Body text: 13 px
    Menu: 19 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Caption: 19 px
    Body text: 17 px
    Hint: 25 px
    Footer: 13 px (a) Footer (b) Body text (c) Label (d) Caption
31. 31.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) labels on every icon
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Caption: 27 px
    Body text: 23 px
    Footer: 20 px
    Title: 23 px (a) Footer (b) Label (c) Body text (d) Caption
34. 34.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) text that can grow (d) sudden loud sounds
35. 35.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
36. 36.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
37. 37.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
38. 38.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
39. 39.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) labels on every icon

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