App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 553 · 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?
   Caption: 14 px
   Body text: 10 px
   Footer: 18 px
2. 2.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
3. 3.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 15 px
   Caption: 24 px
   Body text: 18 px
5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
7. 7.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 10 px
   Caption: 21 px
   Title: 14 px
   Hint: 15 px
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 18 px
   Footer: 23 px
   Hint: 23 px
   Menu: 17 px
10. 10.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) captions on videos (d) icons with no labels
11. 11.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Caption: 20 px
    Body text: 25 px (a) Caption (b) Body text (c) Title
13. 13.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to hide the sound (d) to slow them down
14. 14.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) sudden loud sounds (d) captions on videos
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Label: 12 px
    Menu: 13 px
    Hint: 14 px
16. 16.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
17. 17.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
18. 18.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
19. 19.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 24 px
    Hint: 11 px
    Body text: 28 px
    Footer: 19 px (a) Footer (b) Hint (c) Label (d) Body text
21. 21.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Hint: 16 px
    Footer: 10 px
24. 24.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Title: 17 px
    Menu: 14 px
26. 26.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
27. 27.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) icons with no labels (d) captions on videos
29. 29.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
30. 30.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) colour as the only clue
31. 31.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Menu: 21 px
    Hint: 21 px
    Label: 19 px
    Caption: 19 px
33. 33.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
34. 34.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) everyone (d) nobody
35. 35.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
36. 36.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Label: 20 px
    Caption: 25 px
    Footer: 26 px (a) Caption (b) Label (c) Body text (d) Footer
38. 38.♿ A screen has 11 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
39. 39.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
40. 40.True or false: “captions on videos” makes the app harder to use. (a) True (b) False

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