App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 72 · 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) fast-flashing lights (b) tiny tap areas (c) text that can grow (d) colour as the only clue
2. 2.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 13 px
   Footer: 21 px
   Label: 27 px (a) Label (b) Footer (c) Menu
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 24 px
   Menu: 27 px
   Title: 20 px
   Label: 13 px
   Caption: 27 px (a) Menu (b) Body text (c) Title (d) Label
4. 4.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
5. 5.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
6. 6.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
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.🔍 Which is the odd one out? (a) big touch targets (b) icons with no labels (c) colour as the only clue (d) tiny tap areas
10. 10.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 18 px
    Title: 16 px
    Menu: 12 px
    Hint: 23 px
    Footer: 16 px
11. 11.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.Which of these helps everyone use the app? (a) fast-flashing lights (b) tiny tap areas (c) strong colour contrast (d) icons with no labels
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the server (c) the battery (d) colour-blind users
14. 14.🔍 Which is the odd one out? (a) fast-flashing lights (b) big touch targets (c) labels on every icon (d) captions on videos
15. 15.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
16. 16.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) tiny tap areas (d) labels on every icon
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 10 px
    Menu: 11 px
    Caption: 21 px
    Footer: 22 px
    Label: 15 px
20. 20.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
21. 21.♿ Does this help everyone, or make the app harder to use: big touch targets? (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?
    Footer: 14 px
    Caption: 24 px
    Title: 19 px (a) Title (b) Footer (c) Caption
23. 23.Which of these helps everyone use the app? (a) captions on videos (b) tiny tap areas (c) icons with no labels (d) sudden loud sounds
24. 24.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Title: 22 px
    Caption: 17 px
    Footer: 9 px (a) Caption (b) Footer (c) Title (d) Label
26. 26.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
27. 27.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
28. 28.🔍 Which is the odd one out? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) strong colour contrast
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 24 px
    Title: 17 px
    Menu: 20 px
    Caption: 13 px (a) Hint (b) Title (c) Caption (d) Menu
30. 30.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
31. 31.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) text that can grow (d) big touch targets
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 22 px
    Label: 24 px
    Caption: 16 px
    Footer: 20 px
33. 33.Which of these makes the app harder to use? (a) big touch targets (b) tiny tap areas (c) captions on videos (d) labels on every icon
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 23 px
    Label: 9 px
    Menu: 20 px (a) Label (b) Title (c) Menu
35. 35.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) text that can grow (b) big touch targets (c) labels on every icon (d) icons with no labels
37. 37.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
38. 38.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) strong colour contrast (b) text that can grow (c) captions on videos (d) sudden loud sounds
40. 40.🔍 Which is the odd one out? (a) captions on videos (b) text that can grow (c) labels on every icon (d) colour as the only clue

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