App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 502 · 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. How many texts on this screen are too small?
   Menu: 11 px
   Caption: 20 px
   Body text: 19 px
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 18 px
   Body text: 23 px
   Hint: 10 px
   Footer: 14 px
3. 3.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 12 px
   Menu: 10 px
   Title: 20 px
4. 4.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) strong colour contrast (d) colour as the only clue
5. 5.🔍 Which is the odd one out? (a) labels on every icon (b) big touch targets (c) text that can grow (d) fast-flashing lights
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 14 px
   Body text: 11 px
   Footer: 10 px
7. 7.♿ 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
8. 8.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 22 px
   Footer: 12 px
   Caption: 19 px
   Title: 11 px
   Menu: 20 px
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 14 px
    Body text: 11 px
    Footer: 24 px
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Body text: 22 px
    Title: 25 px
    Hint: 23 px
    Caption: 21 px (a) Hint (b) Menu (c) Body text (d) Title
12. 12.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
13. 13.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.Which of these helps everyone use the app? (a) sudden loud sounds (b) big touch targets (c) colour as the only clue (d) tiny tap areas
15. 15.Which of these helps everyone use the app? (a) labels on every icon (b) sudden loud sounds (c) icons with no labels (d) fast-flashing lights
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 24 px
    Title: 12 px
    Hint: 16 px
    Body text: 18 px
    Label: 13 px
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Title: 17 px
    Hint: 23 px
    Caption: 13 px
    Menu: 19 px (a) Body text (b) Title (c) Hint (d) Caption
18. 18.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
19. 19.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) icons with no labels (d) tiny tap areas
20. 20.Which of these makes the app harder to use? (a) strong colour contrast (b) sudden loud sounds (c) big touch targets (d) captions on videos
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
22. 22.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
24. 24.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
25. 25.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
26. 26.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Hint: 26 px
    Caption: 18 px
    Footer: 12 px
    Title: 19 px (a) Label (b) Hint (c) Caption (d) Footer
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Body text: 10 px
    Footer: 12 px
29. 29.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) sudden loud sounds (d) labels on every icon
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Hint: 21 px
    Title: 28 px
    Menu: 28 px
    Footer: 9 px (a) Body text (b) Title (c) Footer (d) Hint
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Label: 22 px
    Footer: 14 px
    Title: 17 px
32. 32.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Menu: 24 px
    Caption: 10 px
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Menu: 11 px
    Hint: 16 px
    Title: 16 px
    Body text: 23 px
35. 35.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) colour as the only clue
36. 36.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) tiny tap areas (d) sudden loud sounds
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 16 px
    Footer: 13 px
    Title: 23 px
    Menu: 25 px (a) Body text (b) Title (c) Footer (d) Menu
38. 38.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False

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