App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 168 · 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.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
2. 2.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
3. 3.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 13 px
   Hint: 18 px
   Label: 18 px
   Body text: 18 px (a) Menu (b) Body text (c) Hint (d) Label
5. 5.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) icons with no labels
6. 6.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) labels on every icon (d) big touch targets
7. 7.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
8. 8.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) the server (c) fast typists (d) colour-blind users
9. 9.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Hint: 13 px
    Footer: 19 px (a) Hint (b) Title (c) Footer
11. 11.True or false: “captions on videos” makes the app harder to use. (a) True (b) False
12. 12.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) captions on videos (c) colour as the only clue (d) tiny tap areas
14. 14.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
15. 15.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Menu: 23 px
    Body text: 10 px
    Footer: 19 px
    Title: 19 px (a) Body text (b) Menu (c) Footer (d) Hint
17. 17.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) tiny tap areas
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 21 px
    Label: 26 px
    Title: 14 px (a) Title (b) Body text (c) Label
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Caption: 17 px
    Menu: 18 px (a) Menu (b) Caption (c) Footer
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Caption: 17 px
    Footer: 12 px (a) Caption (b) Footer (c) Hint
21. 21.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
22. 22.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) text that can grow (d) tiny tap areas
23. 23.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
24. 24.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Hint: 20 px
    Footer: 23 px (a) Title (b) Hint (c) Footer
26. 26.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Footer: 24 px
    Title: 20 px (a) Footer (b) Caption (c) Title
28. 28.♿ What should every icon-only button have for screen readers? (a) a text label (b) a long animation (c) a sound (d) a bright colour
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) text that can grow (c) labels on every icon (d) colour as the only clue
31. 31.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 11 px
    Body text: 20 px
    Hint: 10 px
    Footer: 12 px
    Menu: 15 px
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Title: 17 px
    Body text: 13 px
    Caption: 12 px
    Label: 14 px
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 12 px
    Caption: 28 px
    Label: 16 px
    Menu: 20 px (a) Menu (b) Label (c) Footer (d) Caption
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Label: 16 px
    Body text: 19 px
36. 36.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Caption: 23 px
    Footer: 16 px
    Hint: 22 px
    Menu: 16 px (a) Caption (b) Hint (c) Footer (d) Body text
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Body text: 24 px
    Menu: 13 px
    Label: 13 px
    Footer: 15 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 24 px
    Caption: 14 px
    Menu: 20 px
    Hint: 22 px
    Body text: 22 px
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 19 px
    Body text: 11 px
    Menu: 26 px (a) Body text (b) Menu (c) Title

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