App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 794 · 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) captions on videos (b) fast-flashing lights (c) labels on every icon (d) text that can grow
2. 2.♿ A screen has 5 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
3. 3.♿ Accessibility means an app works for ___. (a) everyone (b) only the coder (c) only experts (d) nobody
4. 4.♿ A screen has 9 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
5. 5.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) icons with no labels (d) colour as the only clue
6. 6.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
7. 7.Which of these makes the app harder to use? (a) captions on videos (b) tiny tap areas (c) big touch targets (d) strong colour contrast
8. 8.♿ What does a screen reader do? (a) plays music (b) makes text tiny (c) takes photos (d) reads the screen aloud
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 21 px
   Title: 12 px
   Caption: 23 px
   Footer: 14 px
10. 10.♿ A screen has 6 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
11. 11.♿ Why add captions to videos? (a) so anyone can follow (b) to slow them down (c) to hide the sound (d) to add colour
12. 12.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Title: 22 px
    Body text: 26 px
    Label: 17 px
    Footer: 16 px (a) Title (b) Label (c) Body text (d) Hint
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 12 px
    Body text: 25 px
    Caption: 25 px (a) Caption (b) Body text (c) Hint
14. 14.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) helps everyone (b) makes it harder
15. 15.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
16. 16.♿ Showing right or wrong only in red and green is a problem for ___. (a) fast typists (b) the battery (c) the server (d) colour-blind users
17. 17.♿ A screen has 10 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.True or false: “big touch targets” helps everyone use the app. (a) True (b) False
19. 19.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 16 px
    Body text: 21 px
    Footer: 10 px
20. 20.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
21. 21.True or false: “text that can grow” makes the app harder to use. (a) True (b) False
22. 22.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
23. 23.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 12 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
25. 25.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) strong colour contrast (d) captions on videos
26. 26.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 21 px
    Caption: 12 px
    Footer: 20 px (a) Label (b) Caption (c) Footer
27. 27.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
28. 28.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 28 px
    Title: 24 px
    Menu: 23 px
    Body text: 22 px
    Label: 13 px (a) Menu (b) Footer (c) Label (d) Title
29. 29.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
30. 30.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 5 icon buttons. Only 4 of them have a text label for screen readers. How many still need a label?
32. 32.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 14 px
    Body text: 16 px
    Caption: 27 px
    Footer: 23 px (a) Title (b) Caption (c) Body text (d) Footer
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 12 px
    Hint: 28 px
    Title: 17 px (a) Hint (b) Title (c) Caption
34. 34.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
35. 35.Which of these helps everyone use the app? (a) text that can grow (b) colour as the only clue (c) tiny tap areas (d) sudden loud sounds
36. 36.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 28 px
    Menu: 19 px
    Footer: 25 px
    Caption: 14 px
    Title: 19 px (a) Menu (b) Caption (c) Footer (d) Body text
37. 37.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
38. 38.🔍 Which is the odd one out? (a) sudden loud sounds (b) fast-flashing lights (c) colour as the only clue (d) text that can grow
39. 39.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
40. 40.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 25 px
    Body text: 20 px
    Title: 10 px
    Hint: 22 px
    Menu: 18 px (a) Hint (b) Title (c) Body text (d) Label

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