App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 41 · 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 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
2. 2.🔍 Which is the odd one out? (a) tiny tap areas (b) strong colour contrast (c) sudden loud sounds (d) fast-flashing lights
3. 3.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
4. 4.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 21 px
   Title: 23 px
   Caption: 10 px (a) Caption (b) Footer (c) Title
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) makes it harder (b) helps everyone
6. 6.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) so anyone can follow (d) to add colour
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Body text: 12 px
   Hint: 28 px
   Menu: 16 px (a) Menu (b) Body text (c) Hint
8. 8.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Hint: 21 px
   Label: 20 px
   Footer: 19 px
   Body text: 20 px
   Caption: 10 px
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Footer: 14 px
   Body text: 11 px
   Label: 14 px
   Title: 12 px
10. 10.True or false: “big touch targets” helps everyone use the app. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) labels on every icon (b) sudden loud sounds (c) strong colour contrast (d) captions on videos
12. 12.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
13. 13.♿ A screen has 7 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
14. 14.♿ A screen has 10 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
15. 15.🔍 Which is the odd one out? (a) big touch targets (b) colour as the only clue (c) strong colour contrast (d) text that can grow
16. 16.🔍 Which is the odd one out? (a) text that can grow (b) tiny tap areas (c) captions on videos (d) big touch targets
17. 17.♿ A screen has 8 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
18. 18.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) captions on videos
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 9 px
    Footer: 23 px
    Caption: 21 px (a) Caption (b) Footer (c) Title
20. 20.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 19 px
    Menu: 22 px
    Label: 20 px
    Body text: 10 px
    Caption: 15 px
21. 21.♿ A screen has 10 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 22 px
    Body text: 19 px
    Menu: 21 px
    Label: 12 px
23. 23.♿ A screen has 9 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
24. 24.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
25. 25.True or false: “text that can grow” helps everyone use the app. (a) True (b) False
26. 26.♿ What does a screen reader do? (a) plays music (b) takes photos (c) makes text tiny (d) reads the screen aloud
27. 27.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 16 px
    Footer: 15 px
    Hint: 24 px
    Menu: 17 px
    Body text: 23 px
28. 28.Which of these helps everyone use the app? (a) colour as the only clue (b) fast-flashing lights (c) tiny tap areas (d) captions on videos
29. 29.♿ Accessibility means an app works for ___. (a) only the coder (b) everyone (c) only experts (d) nobody
30. 30.Which of these makes the app harder to use? (a) big touch targets (b) captions on videos (c) sudden loud sounds (d) strong colour contrast
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 11 px
    Body text: 13 px
    Title: 13 px
    Footer: 17 px
32. 32.Which of these helps everyone use the app? (a) sudden loud sounds (b) icons with no labels (c) text that can grow (d) tiny tap areas
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 28 px
    Label: 21 px
    Hint: 9 px
    Footer: 17 px (a) Hint (b) Label (c) Caption (d) Footer
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.True or false: “tiny tap areas” helps everyone use the app. (a) True (b) False
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 20 px
    Menu: 12 px
    Footer: 14 px
37. 37.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 10 px
    Title: 24 px
    Caption: 12 px
39. 39.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) labels on every icon (c) tiny tap areas (d) fast-flashing lights

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