App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 589 · 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: colour as the only clue? (a) makes it harder (b) helps everyone
2. 2.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 28 px
   Title: 14 px
   Label: 18 px (a) Footer (b) Title (c) Label
4. 4.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.♿ A screen has 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 26 px
   Body text: 22 px
   Menu: 11 px
   Footer: 28 px (a) Menu (b) Footer (c) Label (d) Body text
8. 8.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) icons with no labels (d) big touch targets
9. 9.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) labels on every icon (d) big touch targets
10. 10.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 10 px
    Title: 22 px
    Caption: 28 px
    Body text: 28 px (a) Body text (b) Menu (c) Caption (d) Title
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Title: 27 px
    Hint: 28 px (a) Title (b) Hint (c) Footer
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Caption: 20 px
    Footer: 21 px
    Menu: 23 px
13. 13.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
14. 14.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) big touch targets
15. 15.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
16. 16.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
17. 17.True or false: “icons with no labels” 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?
    Label: 9 px
    Footer: 19 px
    Body text: 24 px (a) Label (b) Footer (c) Body text
19. 19.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
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.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Caption: 23 px
    Hint: 11 px
    Title: 18 px (a) Footer (b) Hint (c) Caption (d) Title
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 12 px
    Caption: 10 px
    Title: 18 px
    Hint: 20 px
    Body text: 12 px
24. 24.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) strong colour contrast (d) big touch targets
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Title: 17 px
    Hint: 19 px
    Caption: 21 px (a) Title (b) Hint (c) Caption (d) Footer
26. 26.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 19 px
    Hint: 16 px
    Body text: 12 px
    Menu: 18 px
28. 28.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
29. 29.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
30. 30.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
31. 31.♿ A screen has 7 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) text that can grow
33. 33.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
34. 34.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Body text: 15 px
    Title: 19 px
    Menu: 20 px
    Label: 18 px
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) strong colour contrast (d) icons with no labels
36. 36.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Label: 9 px
    Footer: 26 px (a) Label (b) Footer (c) Hint
38. 38.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
39. 39.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
40. 40.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?

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