App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 365 · 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.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.Which of these makes the app harder to use? (a) captions on videos (b) labels on every icon (c) tiny tap areas (d) text that can grow
3. 3.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
4. 4.🔍 Which is the odd one out? (a) icons with no labels (b) captions on videos (c) sudden loud sounds (d) fast-flashing lights
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 21 px
   Menu: 13 px
   Caption: 19 px
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) sudden loud sounds (c) text that can grow (d) captions on videos
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 13 px
   Body text: 28 px
   Title: 27 px
   Hint: 25 px
   Caption: 26 px (a) Menu (b) Title (c) Body text (d) Hint
8. 8.♿ Why add captions to videos? (a) to hide the sound (b) so anyone can follow (c) to add colour (d) to slow them down
9. 9.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
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.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Body text: 24 px
    Label: 24 px (a) Caption (b) Body text (c) Label
12. 12.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) only the coder (d) nobody
13. 13.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) tiny tap areas (d) text that can grow
14. 14.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) fast-flashing lights (d) labels on every icon
16. 16.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 17 px
    Body text: 21 px
    Hint: 14 px
18. 18.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
20. 20.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 12 px
    Hint: 24 px
    Menu: 16 px
    Body text: 16 px
    Label: 11 px
22. 22.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Label: 21 px
    Caption: 12 px (a) Caption (b) Label (c) Hint
24. 24.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 12 px
    Menu: 20 px
    Caption: 11 px
26. 26.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
27. 27.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
28. 28.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) labels on every icon (d) fast-flashing lights
29. 29.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
30. 30.Which of these helps everyone use the app? (a) fast-flashing lights (b) icons with no labels (c) colour as the only clue (d) big touch targets
31. 31.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) tiny tap areas
32. 32.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
33. 33.♿ 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
34. 34.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 27 px
    Hint: 12 px
    Menu: 19 px (a) Body text (b) Menu (c) Hint
36. 36.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (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?
    Caption: 17 px
    Title: 27 px
    Hint: 10 px
    Footer: 18 px (a) Caption (b) Hint (c) Footer (d) Title
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 20 px
    Menu: 12 px
    Caption: 11 px
    Label: 23 px
39. 39.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 23 px
    Hint: 23 px
    Caption: 10 px
    Label: 21 px
    Footer: 10 px

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