App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 696 · 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: 28 px
   Hint: 9 px
   Body text: 21 px
   Label: 19 px (a) Body text (b) Hint (c) Label (d) Caption
2. 2.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) fast-flashing lights (d) sudden loud sounds
4. 4.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) labels on every icon (d) tiny tap areas
5. 5.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
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.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) icons with no labels
8. 8.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to slow them down (d) to add colour
9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a long animation (d) a sound
11. 11.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
13. 13.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
14. 14.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Body text: 19 px
    Title: 22 px
    Label: 20 px
    Footer: 16 px
16. 16.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) takes photos (d) plays music
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Menu: 23 px
    Body text: 18 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 16 px
    Label: 13 px
    Title: 23 px
19. 19.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) big touch targets
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Hint: 10 px
    Caption: 18 px (a) Hint (b) Caption (c) Title
21. 21.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 8 icon buttons. Only 2 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) sudden loud sounds (b) text that can grow (c) strong colour contrast (d) big touch targets
25. 25.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
26. 26.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Footer: 23 px
    Body text: 24 px
    Label: 11 px (a) Body text (b) Caption (c) Footer (d) Label
28. 28.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
29. 29.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
30. 30.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
31. 31.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
32. 32.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
33. 33.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 17 px
    Menu: 18 px
    Body text: 12 px (a) Body text (b) Menu (c) Caption
36. 36.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) big touch targets
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) big touch targets (d) icons with no labels
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 16 px
    Footer: 14 px
    Hint: 28 px
    Label: 24 px (a) Caption (b) Footer (c) Title (d) Hint
40. 40.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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