App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 225 · 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: strong colour contrast? (a) helps everyone (b) makes it harder
2. 2.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 21 px
   Caption: 24 px
   Hint: 14 px
   Title: 13 px
   Body text: 15 px
3. 3.🔍 Which is the odd one out? (a) tiny tap areas (b) fast-flashing lights (c) colour as the only clue (d) big touch targets
4. 4.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Body text: 17 px
   Title: 17 px
   Label: 27 px (a) Label (b) Body text (c) Title (d) Menu
7. 7.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 16 px
   Body text: 23 px
   Label: 24 px
9. 9.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 17 px
    Footer: 27 px
    Title: 12 px
    Caption: 26 px (a) Caption (b) Footer (c) Title (d) Menu
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Caption: 25 px
    Footer: 25 px (a) Label (b) Caption (c) Footer
12. 12.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) colour as the only clue (d) captions on videos
13. 13.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
14. 14.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
15. 15.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
16. 16.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) colour-blind users (d) the battery
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 13 px
    Label: 11 px
    Hint: 11 px
    Caption: 12 px
    Menu: 21 px
19. 19.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
20. 20.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
21. 21.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
22. 22.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) big touch targets (d) fast-flashing lights
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 23 px
    Body text: 26 px
    Caption: 17 px
    Footer: 27 px (a) Hint (b) Title (c) Body text (d) Caption
24. 24.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) captions on videos (d) big touch targets
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Menu: 14 px
    Caption: 19 px
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 23 px
    Menu: 23 px
    Caption: 13 px (a) Body text (b) Menu (c) Caption
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) fast-flashing lights (d) labels on every icon
28. 28.Which of these makes the app harder to use? (a) strong colour contrast (b) icons with no labels (c) text that can grow (d) big touch targets
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 11 px
    Body text: 19 px
    Title: 22 px
30. 30.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) labels on every icon (d) colour as the only clue
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Body text: 10 px
    Hint: 18 px
    Footer: 21 px
    Label: 21 px (a) Footer (b) Title (c) Hint (d) Body text
32. 32.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
34. 34.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
36. 36.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) fast-flashing lights (d) labels on every icon
37. 37.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Caption: 21 px
    Title: 23 px
    Hint: 14 px
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 11 px
    Body text: 26 px
    Caption: 23 px (a) Body text (b) Caption (c) Title
40. 40.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) fast-flashing lights

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