App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 523 · 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.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 6 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ What does a screen reader do? (a) plays music (b) takes photos (c) reads the screen aloud (d) makes text tiny
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 13 px
   Title: 26 px
   Hint: 21 px (a) Title (b) Label (c) Hint
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 16 px
   Body text: 9 px
   Caption: 21 px
   Hint: 19 px
   Title: 16 px (a) Caption (b) Body text (c) Hint (d) Menu
6. 6.Which of these makes the app harder to use? (a) labels on every icon (b) icons with no labels (c) captions on videos (d) text that can grow
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 11 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
9. 9.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
10. 10.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) colour as the only clue
11. 11.Which of these helps everyone use the app? (a) icons with no labels (b) text that can grow (c) sudden loud sounds (d) colour as the only clue
12. 12.True or false: “fast-flashing lights” makes the app harder to use. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) labels on every icon
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 26 px
    Caption: 24 px
    Body text: 22 px
    Title: 10 px
    Hint: 16 px (a) Title (b) Caption (c) Body text (d) Footer
15. 15.Which of these makes the app harder to use? (a) captions on videos (b) text that can grow (c) fast-flashing lights (d) labels on every icon
16. 16.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
17. 17.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
18. 18.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) labels on every icon (d) colour as the only clue
19. 19.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a long animation (c) a text label (d) a sound
20. 20.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 18 px
    Menu: 24 px
    Body text: 13 px
    Title: 25 px
    Caption: 23 px (a) Label (b) Title (c) Body text (d) Menu
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Label: 19 px
    Body text: 10 px
    Hint: 15 px
24. 24.🔍 Which is the odd one out? (a) text that can grow (b) labels on every icon (c) tiny tap areas (d) strong colour contrast
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) colour as the only clue (d) strong colour contrast
26. 26.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) captions on videos (d) text that can grow
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 13 px
    Body text: 18 px
    Caption: 15 px
    Label: 24 px
    Hint: 13 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 22 px
    Menu: 10 px
    Title: 18 px
    Hint: 10 px
    Body text: 12 px
29. 29.♿ Showing right or wrong only in red and green is a problem for ___. (a) colour-blind users (b) fast typists (c) the battery (d) the server
30. 30.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 17 px
    Body text: 15 px
    Title: 13 px
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 11 px
    Menu: 18 px
    Caption: 17 px (a) Label (b) Caption (c) Menu
32. 32.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 24 px
    Hint: 9 px
    Body text: 25 px
    Menu: 20 px (a) Body text (b) Caption (c) Hint (d) Menu
34. 34.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
35. 35.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 20 px
    Hint: 24 px
    Menu: 22 px
37. 37.True or false: “captions on videos” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 23 px
    Label: 17 px
    Title: 12 px (a) Caption (b) Label (c) Title
39. 39.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
40. 40.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) captions on videos (d) tiny tap areas

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