App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 378 · 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 is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
3. 3.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) to slow them down (d) so anyone can follow
4. 4.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) reads the screen aloud (d) takes photos
5. 5.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) big touch targets (d) captions on videos
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 24 px
   Title: 18 px
   Hint: 18 px
   Body text: 11 px
9. 9.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Caption: 18 px
    Body text: 24 px
    Title: 22 px
    Label: 14 px
11. 11.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
13. 13.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Footer: 13 px
    Label: 19 px
    Hint: 20 px
    Caption: 14 px
14. 14.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Menu: 14 px
    Caption: 11 px
    Hint: 23 px
16. 16.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
17. 17.♿ Accessibility means an app works for ___. (a) everyone (b) only experts (c) only the coder (d) nobody
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Hint: 12 px
    Footer: 24 px
    Menu: 27 px
    Caption: 24 px (a) Hint (b) Footer (c) Menu (d) Title
19. 19.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) labels on every icon (d) strong colour contrast
20. 20.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) labels on every icon (d) icons with no labels
21. 21.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Title: 21 px
    Caption: 12 px
    Footer: 21 px
    Hint: 12 px
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) icons with no labels
24. 24.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
25. 25.♿ A screen has 12 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Footer: 23 px
    Body text: 21 px
    Hint: 14 px (a) Title (b) Footer (c) Hint (d) Body text
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Footer: 18 px
    Label: 19 px
    Caption: 9 px (a) Body text (b) Label (c) Caption (d) Footer
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Footer: 23 px
    Body text: 17 px (a) Hint (b) Footer (c) Body text
29. 29.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) colour as the only clue (d) icons with no labels
30. 30.♿ 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
31. 31.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
32. 32.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
33. 33.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Title: 23 px
    Caption: 17 px
    Body text: 9 px
    Menu: 26 px (a) Body text (b) Label (c) Caption (d) Title
35. 35.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Hint: 14 px
    Footer: 18 px
    Menu: 24 px (a) Menu (b) Footer (c) Hint (d) Body text
37. 37.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
38. 38.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
39. 39.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
40. 40.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False

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