App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 438 · 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.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) strong colour contrast (d) icons with no labels
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
3. 3.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
4. 4.Which of these makes the app harder to use? (a) icons with no labels (b) big touch targets (c) labels on every icon (d) captions on videos
5. 5.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
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: “big touch targets” makes the app harder to use. (a) False (b) True
8. 8.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
9. 9.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) labels on every icon (d) colour as the only clue
10. 10.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Title: 23 px
    Caption: 24 px
    Label: 20 px
    Menu: 9 px (a) Body text (b) Caption (c) Title (d) Menu
12. 12.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) icons with no labels (d) text that can grow
13. 13.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) labels on every icon
15. 15.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
16. 16.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
17. 17.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Label: 23 px
    Body text: 20 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 26 px
    Title: 21 px
    Hint: 12 px
    Footer: 27 px (a) Hint (b) Title (c) Body text (d) Footer
20. 20.True or false: “sudden loud sounds” makes the app harder to use. (a) True (b) False
21. 21.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Caption: 19 px
    Body text: 24 px
    Menu: 19 px
    Hint: 21 px
23. 23.True or false: “tiny tap areas” makes the app harder to use. (a) False (b) True
24. 24.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 25 px
    Body text: 10 px
    Menu: 24 px (a) Title (b) Body text (c) Menu
26. 26.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Title: 12 px
    Menu: 18 px (a) Menu (b) Caption (c) Title
28. 28.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Caption: 23 px
    Menu: 16 px
    Hint: 18 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Title: 9 px
    Footer: 24 px (a) Body text (b) Title (c) Footer
31. 31.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
33. 33.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
34. 34.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
35. 35.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
36. 36.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
37. 37.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
38. 38.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) so anyone can follow (d) to slow them down
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 20 px
    Footer: 17 px
    Title: 18 px
    Caption: 15 px
40. 40.♿ A screen has 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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