App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 632 · 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?
   Label: 20 px
   Footer: 22 px
   Body text: 19 px
   Title: 14 px
   Caption: 28 px (a) Body text (b) Footer (c) Label (d) Title
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 26 px
   Body text: 9 px
   Title: 26 px
   Label: 24 px (a) Title (b) Menu (c) Body text (d) Label
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 10 px
   Body text: 20 px
   Menu: 14 px
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 11 px
   Body text: 21 px
   Caption: 16 px (a) Body text (b) Caption (c) Label
5. 5.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
6. 6.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 28 px
   Caption: 27 px
   Body text: 10 px (a) Body text (b) Footer (c) Caption
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 17 px
   Body text: 12 px
   Footer: 10 px
9. 9.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) icons with no labels (d) labels on every icon
10. 10.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
13. 13.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 14 px
    Footer: 24 px
    Menu: 23 px
    Label: 18 px (a) Caption (b) Footer (c) Title (d) Menu
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Caption: 17 px
    Menu: 27 px (a) Caption (b) Menu (c) Footer
16. 16.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
17. 17.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
18. 18.♿ Why add captions to videos? (a) to add colour (b) so anyone can follow (c) to slow them down (d) to hide the sound
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 24 px
    Footer: 22 px
    Menu: 12 px
20. 20.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) tiny tap areas (d) captions on videos
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Menu: 23 px
    Body text: 20 px
    Footer: 20 px
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.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
26. 26.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
27. 27.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 17 px
    Caption: 18 px
    Menu: 25 px
    Label: 9 px (a) Label (b) Caption (c) Menu (d) Title
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Menu: 21 px
    Body text: 10 px
    Label: 11 px
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
33. 33.Which of these makes the app harder to use? (a) big touch targets (b) strong colour contrast (c) fast-flashing lights (d) text that can grow
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 13 px
    Footer: 27 px
    Title: 16 px (a) Hint (b) Title (c) Footer
35. 35.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) text that can grow
36. 36.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
37. 37.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) text that can grow (d) labels on every icon
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 21 px
    Body text: 19 px
    Caption: 10 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Body text: 28 px
    Hint: 28 px
    Footer: 19 px
    Menu: 22 px (a) Body text (b) Footer (c) Hint (d) Label
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Footer: 28 px
    Caption: 16 px
    Title: 20 px (a) Body text (b) Caption (c) Footer (d) Title

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