App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 673 · 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.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
2. 2.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) colour as the only clue (b) fast-flashing lights (c) icons with no labels (d) strong colour contrast
4. 4.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) captions on videos (d) colour as the only clue
5. 5.♿ A screen has 11 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
6. 6.🔍 Which is the odd one out? (a) tiny tap areas (b) big touch targets (c) labels on every icon (d) text that can grow
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 14 px
   Body text: 25 px
   Footer: 26 px
   Title: 26 px (a) Hint (b) Title (c) Body text (d) Footer
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 16 px
   Caption: 10 px
   Hint: 17 px
   Label: 19 px
9. 9.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
10. 10.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 20 px
    Body text: 26 px
    Menu: 18 px
    Label: 9 px
    Title: 17 px (a) Menu (b) Label (c) Caption (d) Body text
12. 12.♿ Accessibility means an app works for ___. (a) only experts (b) nobody (c) only the coder (d) everyone
13. 13.Which of these makes the app harder to use? (a) captions on videos (b) strong colour contrast (c) labels on every icon (d) tiny tap areas
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 13 px
    Hint: 20 px
    Menu: 22 px
    Label: 28 px (a) Menu (b) Label (c) Hint (d) Caption
15. 15.♿ Why add captions to videos? (a) so anyone can follow (b) to add colour (c) to slow them down (d) to hide the sound
16. 16.🔍 Which is the odd one out? (a) colour as the only clue (b) sudden loud sounds (c) tiny tap areas (d) labels on every icon
17. 17.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
18. 18.True or false: “labels on every icon” makes the app harder to use. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) text that can grow (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
20. 20.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) colour as the only clue (d) text that can grow
21. 21.🔍 Which is the odd one out? (a) icons with no labels (b) text that can grow (c) big touch targets (d) labels on every icon
22. 22.True or false: “icons with no labels” helps everyone use the app. (a) False (b) True
23. 23.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) helps everyone (b) makes it harder
24. 24.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 23 px
    Title: 15 px
    Hint: 23 px
    Label: 15 px
    Body text: 18 px
25. 25.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) makes it harder (b) helps everyone
26. 26.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
27. 27.Which of these helps everyone use the app? (a) icons with no labels (b) sudden loud sounds (c) strong colour contrast (d) tiny tap areas
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Footer: 18 px
    Title: 11 px
    Menu: 17 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 14 px
    Menu: 23 px
    Hint: 20 px
    Footer: 25 px
    Caption: 16 px (a) Menu (b) Footer (c) Body text (d) Hint
30. 30.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 16 px
    Footer: 25 px
    Title: 10 px (a) Label (b) Title (c) Footer
31. 31.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) colour as the only clue (d) captions on videos
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 21 px
    Menu: 16 px
    Body text: 13 px
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 9 px
    Body text: 20 px
    Label: 24 px (a) Label (b) Footer (c) Body text
34. 34.♿ A screen has 11 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.♿ A screen has 11 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
36. 36.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) tiny tap areas
37. 37.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
38. 38.Which of these helps everyone use the app? (a) fast-flashing lights (b) big touch targets (c) sudden loud sounds (d) icons with no labels
39. 39.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
40. 40.🔍 Which is the odd one out? (a) colour as the only clue (b) strong colour contrast (c) text that can grow (d) big touch targets

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