App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 480 · 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.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) tiny tap areas (d) colour as the only clue
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 18 px
   Body text: 27 px
   Hint: 27 px
   Title: 12 px (a) Caption (b) Hint (c) Body text (d) Title
3. 3.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
4. 4.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 18 px
   Title: 24 px
   Menu: 14 px
   Caption: 18 px (a) Title (b) Caption (c) Footer (d) Menu
6. 6.Which of these helps everyone use the app? (a) tiny tap areas (b) big touch targets (c) colour as the only clue (d) icons with no labels
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
8. 8.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
9. 9.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Hint: 13 px
    Footer: 13 px
11. 11.Which of these helps everyone use the app? (a) tiny tap areas (b) colour as the only clue (c) captions on videos (d) fast-flashing lights
12. 12.♿ Accessibility means an app works for ___. (a) only the coder (b) only experts (c) nobody (d) everyone
13. 13.♿ A screen has 12 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
14. 14.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
15. 15.🔍 Which is the odd one out? (a) icons with no labels (b) strong colour contrast (c) text that can grow (d) labels on every icon
16. 16.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
17. 17.True or false: “big touch targets” 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?
    Body text: 14 px
    Menu: 21 px
    Label: 16 px
    Footer: 28 px
    Caption: 27 px (a) Menu (b) Label (c) Body text (d) Footer
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 17 px
    Label: 11 px
    Hint: 17 px
20. 20.🔍 Which is the odd one out? (a) colour as the only clue (b) text that can grow (c) big touch targets (d) labels on every icon
21. 21.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 20 px
    Caption: 24 px
    Title: 14 px (a) Menu (b) Title (c) Caption
23. 23.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Footer: 10 px
    Title: 17 px (a) Footer (b) Menu (c) Title
24. 24.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
25. 25.Which of these helps everyone use the app? (a) icons with no labels (b) strong colour contrast (c) sudden loud sounds (d) tiny tap areas
26. 26.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
27. 27.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
28. 28.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) fast-flashing lights (d) captions on videos
29. 29.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
30. 30.🔍 Which is the odd one out? (a) captions on videos (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 22 px
    Hint: 26 px
    Body text: 14 px
    Footer: 21 px (a) Menu (b) Footer (c) Hint (d) Body text
32. 32.Which of these helps everyone use the app? (a) fast-flashing lights (b) colour as the only clue (c) labels on every icon (d) tiny tap areas
33. 33.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
34. 34.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) tiny tap areas (d) text that can grow
35. 35.♿ 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
36. 36.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) sudden loud sounds (d) icons with no labels
37. 37.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 22 px
    Title: 24 px
    Body text: 15 px
    Hint: 13 px
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Title: 19 px
    Hint: 21 px
    Caption: 19 px
    Footer: 24 px
39. 39.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) captions on videos (d) tiny tap areas
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 18 px
    Caption: 23 px
    Title: 11 px (a) Body text (b) Title (c) Caption

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