App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 442 · 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: strong colour contrast? (a) makes it harder (b) helps everyone
2. 2.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
3. 3.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
4. 4.Which of these helps everyone use the app? (a) colour as the only clue (b) text that can grow (c) sudden loud sounds (d) icons with no labels
5. 5.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Title: 18 px
   Body text: 24 px
   Hint: 10 px
   Label: 10 px
6. 6.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a sound (d) a text label
7. 7.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) sudden loud sounds (d) strong colour contrast
8. 8.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
9. 9.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
10. 10.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
11. 11.♿ A screen has 10 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 24 px
    Hint: 13 px
    Caption: 16 px
    Label: 18 px
    Footer: 20 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 11 px
    Hint: 28 px
    Title: 28 px
    Footer: 19 px (a) Menu (b) Footer (c) Title (d) Hint
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Title: 19 px
    Menu: 25 px
    Footer: 21 px
    Label: 20 px (a) Menu (b) Body text (c) Footer (d) Title
15. 15.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) big touch targets (d) colour as the only clue
16. 16.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Menu: 22 px
    Label: 18 px
    Footer: 11 px
    Title: 11 px
18. 18.True or false: “icons with no labels” makes the app harder to use. (a) True (b) False
19. 19.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
20. 20.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
21. 21.🔍 Which is the odd one out? (a) text that can grow (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds
22. 22.True or false: “strong colour contrast” makes the app harder to use. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
24. 24.🔍 Which is the odd one out? (a) captions on videos (b) icons with no labels (c) labels on every icon (d) strong colour contrast
25. 25.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Hint: 9 px
    Caption: 24 px
    Label: 25 px (a) Menu (b) Caption (c) Hint (d) Label
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Hint: 23 px
    Caption: 19 px
    Footer: 25 px (a) Footer (b) Caption (c) Hint (d) Title
28. 28.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
29. 29.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Title: 24 px
    Menu: 11 px
    Label: 13 px
    Body text: 13 px
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Title: 13 px
    Label: 17 px
32. 32.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 28 px
    Title: 10 px
    Hint: 18 px (a) Title (b) Hint (c) Label
34. 34.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) captions on videos (d) colour as the only clue
36. 36.Which of these makes the app harder to use? (a) captions on videos (b) colour as the only clue (c) text that can grow (d) labels on every icon
37. 37.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Body text: 18 px
    Title: 10 px
    Footer: 24 px (a) Footer (b) Body text (c) Caption (d) Title
39. 39.♿ A screen has 8 icon buttons. Only 4 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. Which text on this screen is too small?
    Title: 11 px
    Label: 17 px
    Footer: 26 px
    Body text: 20 px
    Menu: 26 px (a) Body text (b) Label (c) Title (d) Footer

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