App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 249 · 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.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the battery (b) colour-blind users (c) the server (d) fast typists
3. 3.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) takes photos (d) plays music
4. 4.🔍 Which is the odd one out? (a) strong colour contrast (b) tiny tap areas (c) labels on every icon (d) text that can grow
5. 5.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Caption: 28 px
   Label: 17 px
   Menu: 27 px
   Footer: 18 px
   Hint: 10 px (a) Caption (b) Hint (c) Label (d) Menu
6. 6.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
7. 7.True or false: “text that can grow” helps everyone use the app. (a) False (b) True
8. 8.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Label: 13 px
   Menu: 24 px
   Body text: 28 px (a) Menu (b) Label (c) Body text
9. 9.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) strong colour contrast (d) big touch targets
10. 10.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
11. 11.Which of these makes the app harder to use? (a) text that can grow (b) strong colour contrast (c) sudden loud sounds (d) captions on videos
12. 12.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) colour as the only clue
13. 13.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False
14. 14.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
15. 15.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) labels on every icon (d) sudden loud sounds
16. 16.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
17. 17.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) fast-flashing lights (d) captions on videos
18. 18.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 21 px
    Title: 17 px
    Footer: 12 px (a) Title (b) Footer (c) Caption
19. 19.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
20. 20.♿ A screen has 7 icon buttons. Only 1 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?
    Caption: 20 px
    Hint: 20 px
    Title: 18 px
    Footer: 15 px
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 10 px
    Menu: 28 px
    Label: 17 px
    Footer: 25 px
    Caption: 22 px (a) Menu (b) Footer (c) Label (d) Body text
23. 23.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
24. 24.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
25. 25.♿ A screen has 9 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Body text: 21 px
    Footer: 22 px
    Hint: 18 px (a) Hint (b) Body text (c) Title (d) Footer
27. 27.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 11 px
    Menu: 17 px
    Caption: 18 px (a) Caption (b) Menu (c) Hint
28. 28.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
29. 29.🔍 Which is the odd one out? (a) colour as the only clue (b) tiny tap areas (c) sudden loud sounds (d) strong colour contrast
30. 30.♿ A screen has 8 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
31. 31.♿ A screen has 8 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
33. 33.True or false: “text that can grow” makes the app harder to use. (a) False (b) True
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Label: 17 px
    Caption: 9 px (a) Caption (b) Label (c) Body text
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 10 px
    Footer: 18 px
    Menu: 27 px
    Hint: 17 px (a) Footer (b) Hint (c) Menu (d) Title
36. 36.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) icons with no labels (d) text that can grow
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 9 px
    Caption: 24 px
    Body text: 18 px
    Footer: 27 px (a) Label (b) Footer (c) Caption (d) Body text
38. 38.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
39. 39.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 13 px
    Hint: 20 px
    Title: 19 px
    Footer: 24 px (a) Title (b) Body text (c) Footer (d) Hint

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