App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 222 · 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?
   Title: 25 px
   Hint: 17 px
   Body text: 19 px
   Footer: 25 px
   Menu: 9 px (a) Title (b) Hint (c) Body text (d) Menu
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 20 px
   Body text: 16 px
   Label: 12 px
   Caption: 16 px
   Hint: 21 px
3. 3.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 14 px
   Menu: 11 px
   Body text: 21 px
   Title: 14 px
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) strong colour contrast
6. 6.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) colour-blind users (c) the server (d) the battery
7. 7.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 11 px
   Title: 19 px
   Hint: 20 px
   Menu: 26 px
   Label: 22 px (a) Menu (b) Hint (c) Body text (d) Title
9. 9.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
10. 10.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) tiny tap areas
12. 12.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
13. 13.Which of these makes the app harder to use? (a) labels on every icon (b) strong colour contrast (c) colour as the only clue (d) text that can grow
14. 14.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
15. 15.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Body text: 11 px
    Menu: 15 px
    Label: 11 px
    Caption: 13 px
17. 17.🔍 Which is the odd one out? (a) strong colour contrast (b) sudden loud sounds (c) labels on every icon (d) captions on videos
18. 18.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) big touch targets (d) tiny tap areas
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 11 px
    Label: 24 px
    Footer: 22 px
    Menu: 22 px (a) Caption (b) Title (c) Label (d) Footer
20. 20.♿ Why add captions to videos? (a) to add colour (b) to hide the sound (c) to slow them down (d) so anyone can follow
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 22 px
    Caption: 17 px
    Title: 12 px
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
23. 23.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) text that can grow
24. 24.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
25. 25.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) colour as the only clue (d) labels on every icon
26. 26.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Label: 21 px
    Title: 13 px
    Caption: 12 px
    Footer: 24 px
27. 27.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
28. 28.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
30. 30.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) icons with no labels
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Hint: 10 px
    Footer: 17 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Label: 13 px
    Body text: 12 px
    Title: 11 px
    Caption: 11 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Body text: 19 px
    Footer: 21 px
    Menu: 19 px (a) Body text (b) Menu (c) Hint (d) Footer
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 10 px
    Label: 13 px
    Body text: 22 px
    Footer: 10 px
36. 36.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
37. 37.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
38. 38.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Footer: 22 px
    Title: 16 px
    Menu: 13 px (a) Menu (b) Body text (c) Title (d) Footer
40. 40.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?

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