App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 153 · 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: captions on videos? (a) makes it harder (b) helps everyone
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
3. 3.🔍 Which is the odd one out? (a) big touch targets (b) labels on every icon (c) text that can grow (d) fast-flashing lights
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 15 px
   Body text: 16 px
   Hint: 13 px
5. 5.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a sound (c) a long animation (d) a text label
6. 6.♿ A screen has 9 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Accessibility means an app works for ___. (a) nobody (b) only experts (c) only the coder (d) everyone
8. 8.True or false: “strong colour contrast” helps everyone use the app. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
10. 10.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) icons with no labels (d) colour as the only clue
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 16 px
    Footer: 17 px
    Caption: 21 px
    Body text: 10 px
    Hint: 25 px (a) Body text (b) Footer (c) Caption (d) Title
12. 12.♿ A screen has 9 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
13. 13.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Caption: 23 px
    Title: 27 px
    Body text: 9 px (a) Caption (b) Title (c) Menu (d) Body text
15. 15.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Title: 15 px
    Menu: 15 px
    Hint: 16 px
16. 16.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 20 px
    Menu: 9 px
    Body text: 20 px (a) Menu (b) Hint (c) Body text
17. 17.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
18. 18.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) sudden loud sounds (d) big touch targets
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 28 px
    Hint: 9 px
    Title: 19 px (a) Title (b) Hint (c) Menu
20. 20.🔍 Which is the odd one out? (a) labels on every icon (b) tiny tap areas (c) icons with no labels (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?
    Body text: 11 px
    Caption: 13 px
    Title: 21 px
22. 22.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Title: 22 px
    Hint: 14 px
    Footer: 17 px
24. 24.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) text that can grow (d) fast-flashing lights
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Hint: 18 px
    Footer: 26 px
    Menu: 25 px (a) Footer (b) Caption (c) Hint (d) Menu
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) colour as the only clue (d) sudden loud sounds
27. 27.🔍 Which is the odd one out? (a) strong colour contrast (b) icons with no labels (c) tiny tap areas (d) fast-flashing lights
28. 28.Which of these makes the app harder to use? (a) labels on every icon (b) text that can grow (c) captions on videos (d) tiny tap areas
29. 29.♿ What does a screen reader do? (a) makes text tiny (b) plays music (c) takes photos (d) reads the screen aloud
30. 30.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Label: 19 px
    Title: 21 px
    Caption: 10 px (a) Title (b) Label (c) Caption (d) Body text
32. 32.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
33. 33.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
34. 34.♿ A screen has 11 icon buttons. Only 10 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) big touch targets
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 20 px
    Caption: 20 px
    Body text: 16 px
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 13 px
    Menu: 10 px
    Title: 19 px
38. 38.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
39. 39.♿ A screen has 7 icon buttons. Only 2 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?
    Label: 11 px
    Menu: 17 px
    Hint: 23 px
    Caption: 10 px

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