App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 557 · 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) sudden loud sounds (c) colour as the only clue (d) text that can grow
2. 2.🔍 Which is the odd one out? (a) icons with no labels (b) colour as the only clue (c) sudden loud sounds (d) strong colour contrast
3. 3.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 24 px
   Title: 18 px
   Label: 13 px (a) Label (b) Hint (c) Title
5. 5.Which of these helps everyone use the app? (a) sudden loud sounds (b) colour as the only clue (c) captions on videos (d) tiny tap areas
6. 6.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Menu: 13 px
   Body text: 19 px
   Label: 23 px
   Footer: 24 px
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 19 px
   Footer: 9 px
   Title: 25 px
   Caption: 26 px (a) Caption (b) Title (c) Footer (d) Menu
8. 8.Which of these makes the app harder to use? (a) sudden loud sounds (b) captions on videos (c) labels on every icon (d) text that can grow
9. 9.♿ A screen has 9 icon buttons. Only 2 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. Which text on this screen is too small?
    Menu: 11 px
    Title: 23 px
    Hint: 25 px
    Body text: 19 px
    Label: 22 px (a) Hint (b) Title (c) Body text (d) Menu
11. 11.Which of these makes the app harder to use? (a) icons with no labels (b) labels on every icon (c) captions on videos (d) text that can grow
12. 12.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
13. 13.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
14. 14.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
15. 15.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
16. 16.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
17. 17.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) colour-blind users (d) fast typists
18. 18.♿ A screen has 7 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
19. 19.True or false: “labels on every icon” makes the app harder to use. (a) False (b) True
20. 20.Which of these makes the app harder to use? (a) text that can grow (b) tiny tap areas (c) strong colour contrast (d) labels on every icon
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Menu: 17 px
    Title: 11 px (a) Body text (b) Menu (c) Title
22. 22.♿ Does this help everyone, or make the app harder to use: text that can grow? (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?
    Body text: 24 px
    Menu: 11 px
    Label: 23 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 19 px
    Caption: 28 px
    Menu: 14 px
    Title: 23 px (a) Body text (b) Menu (c) Caption (d) Title
25. 25.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) text that can grow (b) captions on videos (c) sudden loud sounds (d) big touch targets
27. 27.♿ Accessibility means an app works for ___. (a) only the coder (b) nobody (c) only experts (d) everyone
28. 28.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Label: 17 px
    Body text: 25 px
    Footer: 27 px (a) Label (b) Body text (c) Caption (d) Footer
30. 30.Which of these helps everyone use the app? (a) sudden loud sounds (b) fast-flashing lights (c) labels on every icon (d) tiny tap areas
31. 31.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
32. 32.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
33. 33.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
34. 34.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) tiny tap areas (d) colour as the only clue
35. 35.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 12 px
    Footer: 28 px
    Caption: 27 px (a) Caption (b) Footer (c) Label
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 22 px
    Label: 10 px
    Menu: 23 px (a) Menu (b) Body text (c) Label
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 16 px
    Menu: 18 px
    Body text: 14 px
    Title: 25 px (a) Menu (b) Body text (c) Hint (d) Title
38. 38.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
39. 39.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) reads the screen aloud (d) takes photos
40. 40.True or false: “labels on every icon” helps everyone use the app. (a) True (b) False

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