App Dev Worksheet: Accessibility

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

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