App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 281 · 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 of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) strong colour contrast (d) tiny tap areas
2. 2.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
4. 4.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) to hide the sound (d) so anyone can follow
5. 5.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
6. 6.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) labels on every icon
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 17 px
   Hint: 12 px
   Body text: 24 px
   Title: 13 px
   Menu: 11 px
9. 9.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
10. 10.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
11. 11.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
12. 12.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) tiny tap areas (d) strong colour contrast
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Caption: 18 px
    Footer: 21 px (a) Title (b) Caption (c) Footer
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 28 px
    Body text: 13 px
    Footer: 20 px (a) Hint (b) Body text (c) Footer
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 18 px
    Caption: 24 px
    Title: 21 px
    Hint: 13 px
    Menu: 16 px (a) Title (b) Footer (c) Hint (d) Caption
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 9 px
    Hint: 24 px
    Footer: 19 px
    Title: 24 px (a) Hint (b) Title (c) Footer (d) Menu
17. 17.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
18. 18.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) strong colour contrast
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Menu: 24 px
    Body text: 21 px
    Footer: 23 px
    Title: 22 px (a) Body text (b) Menu (c) Footer (d) Hint
20. 20.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
21. 21.Which of these helps everyone use the app? (a) strong colour contrast (b) tiny tap areas (c) sudden loud sounds (d) colour as the only clue
22. 22.♿ A screen has 9 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
23. 23.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
24. 24.♿ 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
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
26. 26.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) colour as the only clue (b) big touch targets (c) captions on videos (d) labels on every icon
28. 28.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Menu: 14 px
    Footer: 17 px
30. 30.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
31. 31.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 19 px
    Body text: 12 px
    Menu: 21 px
33. 33.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 16 px
    Label: 22 px
    Title: 14 px
35. 35.Which of these makes the app harder to use? (a) labels on every icon (b) big touch targets (c) text that can grow (d) fast-flashing lights
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Menu: 23 px
    Footer: 22 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 10 px
    Menu: 27 px
    Body text: 21 px (a) Menu (b) Hint (c) Body text
38. 38.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
39. 39.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder

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