App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 769 · 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: “fast-flashing lights” helps everyone use the app. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) labels on every icon (c) strong colour contrast (d) big touch targets
3. 3.Which of these makes the app harder to use? (a) text that can grow (b) big touch targets (c) tiny tap areas (d) strong colour contrast
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 14 px
   Caption: 22 px
   Hint: 25 px (a) Caption (b) Body text (c) Hint
5. 5.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
6. 6.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
7. 7.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) captions on videos (d) tiny tap areas
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 28 px
   Footer: 26 px
   Title: 27 px
   Caption: 9 px
   Body text: 27 px (a) Footer (b) Title (c) Caption (d) Label
9. 9.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) sudden loud sounds (d) text that can grow
11. 11.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 22 px
    Label: 17 px
    Hint: 24 px
12. 12.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) plays music (d) makes text tiny
13. 13.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) fast typists (c) colour-blind users (d) the battery
14. 14.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) tiny tap areas
15. 15.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) only experts (d) everyone
16. 16.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 25 px
    Footer: 21 px
    Title: 10 px (a) Footer (b) Title (c) Body text
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Hint: 23 px
    Footer: 15 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 13 px
    Body text: 23 px
    Menu: 28 px
    Title: 25 px (a) Title (b) Footer (c) Menu (d) Body text
20. 20.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
21. 21.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.🔍 Which is the odd one out? (a) tiny tap areas (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
23. 23.Which of these helps everyone use the app? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Caption: 14 px
    Menu: 12 px
25. 25.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Caption: 19 px
    Title: 12 px
    Label: 22 px
26. 26.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) icons with no labels (d) captions on videos
27. 27.True or false: “sudden loud sounds” helps everyone use the app. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
29. 29.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) strong colour contrast
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 13 px
    Menu: 12 px
    Title: 24 px
    Body text: 16 px
    Footer: 10 px
31. 31.Which of these makes the app harder to use? (a) big touch targets (b) text that can grow (c) icons with no labels (d) captions on videos
32. 32.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
34. 34.Which of these makes the app harder to use? (a) captions on videos (b) big touch targets (c) fast-flashing lights (d) strong colour contrast
35. 35.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
36. 36.True or false: “big touch targets” makes the app harder to use. (a) False (b) True
37. 37.Which of these helps everyone use the app? (a) fast-flashing lights (b) text that can grow (c) tiny tap areas (d) sudden loud sounds
38. 38.🔍 Which is the odd one out? (a) labels on every icon (b) captions on videos (c) text that can grow (d) fast-flashing lights
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Label: 23 px
    Body text: 20 px
    Menu: 25 px
    Title: 23 px (a) Body text (b) Label (c) Footer (d) Menu
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 18 px
    Hint: 14 px
    Footer: 19 px
    Title: 20 px (a) Caption (b) Title (c) Hint (d) Footer

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