App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 412 · 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: 18 px
   Title: 17 px
   Label: 22 px
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 19 px
   Menu: 24 px
   Body text: 17 px
   Footer: 14 px
   Title: 16 px (a) Caption (b) Menu (c) Footer (d) Body text
3. 3.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
5. 5.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) colour as the only clue (d) fast-flashing lights
7. 7.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 16 px
   Hint: 11 px
   Footer: 14 px
   Menu: 10 px
   Label: 16 px
9. 9.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) sudden loud sounds (d) text that can grow
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Caption: 16 px
    Title: 13 px
    Label: 18 px
11. 11.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) fast typists (c) colour-blind users (d) the server
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Hint: 19 px
    Title: 20 px
14. 14.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Footer: 12 px
    Label: 12 px
    Caption: 11 px
    Hint: 24 px
15. 15.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Title: 24 px
    Caption: 23 px
    Body text: 10 px
17. 17.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
18. 18.Which of these makes the app harder to use? (a) big touch targets (b) fast-flashing lights (c) labels on every icon (d) captions on videos
19. 19.🔍 Which is the odd one out? (a) fast-flashing lights (b) tiny tap areas (c) text that can grow (d) icons with no labels
20. 20.🔍 Which is the odd one out? (a) tiny tap areas (b) sudden loud sounds (c) big touch targets (d) icons with no labels
21. 21.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) colour as the only clue (d) big touch targets
22. 22.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Body text: 11 px
    Menu: 22 px
    Title: 16 px
    Footer: 13 px
24. 24.Which of these helps everyone use the app? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) text that can grow
25. 25.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
26. 26.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
27. 27.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) colour as the only clue
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) icons with no labels (d) big touch targets
29. 29.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 17 px
    Caption: 11 px
    Title: 20 px
    Footer: 28 px (a) Caption (b) Footer (c) Label (d) Title
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 19 px
    Footer: 24 px
    Caption: 23 px
    Label: 14 px
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Footer: 11 px
    Hint: 22 px
    Menu: 17 px
33. 33.Which of these makes the app harder to use? (a) labels on every icon (b) colour as the only clue (c) big touch targets (d) text that can grow
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Hint: 19 px
    Body text: 13 px
    Label: 22 px
    Title: 14 px
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Body text: 17 px
    Hint: 9 px
    Label: 21 px (a) Body text (b) Caption (c) Hint (d) Label
36. 36.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) captions on videos
38. 38.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
39. 39.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
40. 40.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?

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