App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 840 · 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 10 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
2. 2.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
3. 3.Which of these helps everyone use the app? (a) colour as the only clue (b) icons with no labels (c) fast-flashing lights (d) captions on videos
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Hint: 14 px
   Title: 11 px
5. 5.🔍 Which is the odd one out? (a) sudden loud sounds (b) big touch targets (c) captions on videos (d) text that can grow
6. 6.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
7. 7.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
8. 8.🔍 Which is the odd one out? (a) icons with no labels (b) fast-flashing lights (c) sudden loud sounds (d) captions on videos
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 23 px
   Footer: 22 px
   Menu: 16 px
   Hint: 10 px (a) Footer (b) Body text (c) Hint (d) Menu
10. 10.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
11. 11.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 23 px
    Body text: 13 px
    Hint: 10 px
    Title: 13 px
    Caption: 11 px
13. 13.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) everyone (d) only the coder
14. 14.🔍 Which is the odd one out? (a) labels on every icon (b) text that can grow (c) colour as the only clue (d) strong colour contrast
15. 15.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
16. 16.True or false: “tiny tap areas” helps everyone use the app. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 14 px
    Menu: 11 px
    Caption: 14 px
    Footer: 13 px
    Body text: 17 px
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 15 px
    Caption: 10 px
    Hint: 24 px
    Title: 15 px
    Footer: 15 px
19. 19.♿ What should every icon-only button have for screen readers? (a) a bright colour (b) a text label (c) a long animation (d) a sound
20. 20.🔍 Which is the odd one out? (a) fast-flashing lights (b) sudden loud sounds (c) text that can grow (d) colour as the only clue
21. 21.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 12 px
    Label: 19 px
    Title: 28 px
    Body text: 25 px
    Caption: 17 px (a) Label (b) Body text (c) Menu (d) Title
22. 22.True or false: “sudden loud sounds” makes the app harder to use. (a) False (b) True
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 14 px
    Hint: 13 px
    Menu: 11 px
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 23 px
    Title: 11 px
    Body text: 16 px (a) Hint (b) Title (c) Body text
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 20 px
    Footer: 10 px
    Title: 28 px
    Hint: 16 px (a) Hint (b) Label (c) Title (d) Footer
26. 26.True or false: “captions on videos” helps everyone use the app. (a) True (b) False
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 23 px
    Body text: 20 px
    Hint: 11 px
    Label: 11 px
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 23 px
    Label: 13 px
    Title: 15 px
    Footer: 14 px
    Menu: 16 px
29. 29.True or false: “fast-flashing lights” makes the app harder to use. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) labels on every icon (b) colour as the only clue (c) fast-flashing lights (d) sudden loud sounds
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Hint: 13 px
    Footer: 28 px
    Body text: 22 px (a) Body text (b) Caption (c) Footer (d) Hint
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 12 px
    Menu: 20 px
    Footer: 27 px
    Title: 17 px
    Hint: 20 px (a) Body text (b) Menu (c) Title (d) Footer
33. 33.♿ A screen has 7 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
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.♿ What does a screen reader do? (a) reads the screen aloud (b) makes text tiny (c) plays music (d) takes photos
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) strong colour contrast
37. 37.♿ A screen has 12 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
38. 38.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
39. 39.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
40. 40.True or false: “big touch targets” helps everyone use the app. (a) True (b) False

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