App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 717 · 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.True or false: “icons with no labels” makes the app harder to use. (a) False (b) True
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 18 px
   Label: 25 px
   Hint: 9 px (a) Hint (b) Menu (c) Label
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Title: 16 px
   Menu: 9 px
   Body text: 17 px (a) Title (b) Body text (c) Menu
4. 4.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) colour as the only clue (d) tiny tap areas
5. 5.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
6. 6.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.Which of these makes the app harder to use? (a) big touch targets (b) colour as the only clue (c) captions on videos (d) strong colour contrast
8. 8.Which of these helps everyone use the app? (a) labels on every icon (b) colour as the only clue (c) sudden loud sounds (d) icons with no labels
9. 9.🔍 Which is the odd one out? (a) big touch targets (b) sudden loud sounds (c) icons with no labels (d) colour as the only clue
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Label: 11 px
    Caption: 21 px
    Hint: 21 px
11. 11.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
13. 13.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 17 px
    Label: 12 px
    Hint: 18 px
    Menu: 20 px
    Title: 24 px (a) Hint (b) Label (c) Menu (d) Footer
16. 16.♿ What does a screen reader do? (a) takes photos (b) reads the screen aloud (c) plays music (d) makes text tiny
17. 17.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) nobody (d) only experts
18. 18.Which of these makes the app harder to use? (a) strong colour contrast (b) captions on videos (c) labels on every icon (d) tiny tap areas
19. 19.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
20. 20.♿ A screen has 12 icon buttons. Only 11 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 15 px
    Label: 11 px
    Title: 11 px
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Caption: 28 px
    Menu: 19 px (a) Caption (b) Body text (c) Menu
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
25. 25.🔍 Which is the odd one out? (a) fast-flashing lights (b) text that can grow (c) labels on every icon (d) strong colour contrast
26. 26.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
27. 27.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Footer: 23 px
    Title: 16 px
    Label: 10 px
    Body text: 23 px
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Body text: 14 px
    Label: 21 px (a) Body text (b) Menu (c) Label
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Label: 11 px
    Caption: 10 px
    Footer: 19 px
32. 32.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
33. 33.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 21 px
    Label: 19 px
    Caption: 15 px
    Menu: 20 px
34. 34.🔍 Which is the odd one out? (a) captions on videos (b) tiny tap areas (c) text that can grow (d) labels on every icon
35. 35.Which of these makes the app harder to use? (a) big touch targets (b) icons with no labels (c) labels on every icon (d) text that can grow
36. 36.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) icons with no labels (d) text that can grow
37. 37.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
38. 38.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Footer: 10 px
    Title: 25 px (a) Title (b) Footer (c) Body text
40. 40.🔍 Which is the odd one out? (a) labels on every icon (b) icons with no labels (c) fast-flashing lights (d) sudden loud sounds

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