App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 186 · 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?
   Label: 11 px
   Hint: 24 px
   Title: 12 px
   Caption: 19 px
2. 2.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
4. 4.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
5. 5.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
6. 6.🔍 Which is the odd one out? (a) icons with no labels (b) tiny tap areas (c) fast-flashing lights (d) labels on every icon
7. 7.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
8. 8.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
9. 9.🔍 Which is the odd one out? (a) sudden loud sounds (b) captions on videos (c) strong colour contrast (d) text that can grow
10. 10.♿ A screen has 9 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Menu: 11 px
    Caption: 18 px
    Hint: 24 px
    Footer: 17 px (a) Hint (b) Label (c) Menu (d) Caption
12. 12.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) captions on videos (d) colour as the only clue
14. 14.True or false: “colour as the only clue” makes the app harder to use. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) big touch targets (d) captions on videos
16. 16.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 15 px
    Menu: 22 px
    Label: 10 px
    Hint: 20 px
17. 17.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 20 px
    Label: 28 px (a) Label (b) Body text (c) Title
19. 19.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
20. 20.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
21. 21.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
22. 22.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
23. 23.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) sudden loud sounds
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 12 px
    Footer: 13 px
    Label: 16 px
25. 25.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
26. 26.Which of these helps everyone use the app? (a) tiny tap areas (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Footer: 19 px
    Caption: 10 px
28. 28.Which of these makes the app harder to use? (a) big touch targets (b) sudden loud sounds (c) labels on every icon (d) text that can grow
29. 29.🔍 Which is the odd one out? (a) labels on every icon (b) fast-flashing lights (c) text that can grow (d) strong colour contrast
30. 30.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
31. 31.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) helps everyone (b) makes it harder
32. 32.Which of these helps everyone use the app? (a) text that can grow (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
33. 33.Which of these makes the app harder to use? (a) strong colour contrast (b) labels on every icon (c) fast-flashing lights (d) big touch targets
34. 34.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 16 px
    Footer: 22 px
    Title: 22 px
    Menu: 16 px
    Label: 11 px
36. 36.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
37. 37.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
38. 38.♿ A screen has 11 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
39. 39.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) strong colour contrast (d) big touch targets
40. 40.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?

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