App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 685 · 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.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) fast-flashing lights (d) sudden loud sounds
2. 2.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) labels on every icon (d) tiny tap areas
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Footer: 23 px
   Title: 23 px
   Body text: 17 px
   Caption: 22 px
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) tiny tap areas (d) strong colour contrast
6. 6.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
7. 7.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 26 px
   Menu: 22 px
   Body text: 16 px
   Hint: 11 px (a) Body text (b) Menu (c) Caption (d) Hint
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 28 px
   Menu: 9 px
   Body text: 19 px (a) Label (b) Menu (c) Body text
10. 10.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) colour as the only clue (d) icons with no labels
12. 12.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) colour as the only clue
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) text that can grow (c) icons with no labels (d) colour as the only clue
14. 14.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 19 px
    Label: 15 px
    Menu: 11 px
    Caption: 19 px
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 21 px
    Label: 22 px
    Body text: 14 px
    Footer: 17 px
    Title: 12 px
17. 17.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) captions on videos (d) strong colour contrast
19. 19.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
20. 20.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) labels on every icon (d) colour as the only clue
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 18 px
    Menu: 16 px
    Body text: 19 px
22. 22.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
23. 23.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
24. 24.♿ Why add captions to videos? (a) to hide the sound (b) to add colour (c) so anyone can follow (d) to slow them down
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
27. 27.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Footer: 18 px
    Title: 28 px
    Body text: 10 px
    Caption: 24 px (a) Hint (b) Body text (c) Footer (d) Title
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Body text: 21 px
    Label: 22 px
    Title: 26 px
    Caption: 17 px (a) Label (b) Body text (c) Title (d) Menu
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 27 px
    Body text: 27 px
    Hint: 24 px
    Menu: 13 px (a) Hint (b) Menu (c) Body text (d) Title
31. 31.♿ A screen has 11 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
32. 32.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 9 px
    Label: 27 px
    Title: 19 px
    Caption: 23 px (a) Caption (b) Label (c) Body text (d) Title
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Body text: 16 px
    Label: 16 px (a) Title (b) Label (c) Body text
35. 35.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
36. 36.🔍 Which is the odd one out? (a) captions on videos (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
37. 37.Which of these helps everyone use the app? (a) big touch targets (b) sudden loud sounds (c) colour as the only clue (d) fast-flashing lights
38. 38.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) labels on every icon (d) tiny tap areas
39. 39.🔍 Which is the odd one out? (a) fast-flashing lights (b) labels on every icon (c) big touch targets (d) captions on videos
40. 40.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder

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