App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 464 · 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.True or false: “labels on every icon” helps everyone use the app. (a) False (b) True
2. 2.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to add colour (d) to hide the sound
3. 3.♿ What does a screen reader do? (a) reads the screen aloud (b) takes photos (c) makes text tiny (d) plays music
4. 4.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Caption: 23 px
   Hint: 21 px
   Body text: 11 px
   Label: 19 px
   Footer: 17 px
5. 5.Which of these makes the app harder to use? (a) sudden loud sounds (b) strong colour contrast (c) text that can grow (d) captions on videos
6. 6.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Footer: 22 px
   Caption: 18 px
   Label: 21 px
   Menu: 11 px (a) Footer (b) Caption (c) Menu (d) Label
7. 7.♿ Does this help everyone, or make the app harder to use: colour as the only clue? (a) makes it harder (b) helps everyone
8. 8.Which of these makes the app harder to use? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) text that can grow
9. 9.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
10. 10.♿ A screen has 6 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
11. 11.True or false: “icons with no labels” helps everyone use the app. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) tiny tap areas (b) icons with no labels (c) labels on every icon (d) colour as the only clue
13. 13.Which of these helps everyone use the app? (a) sudden loud sounds (b) tiny tap areas (c) colour as the only clue (d) labels on every icon
14. 14.♿ A screen has 12 icon buttons. Only 9 of them have a text label for screen readers. How many still need a label?
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) makes it harder (b) helps everyone
16. 16.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
17. 17.♿ A screen has 8 icon buttons. Only 7 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
19. 19.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) makes it harder (b) helps everyone
20. 20.♿ A screen has 8 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
21. 21.♿ Does this help everyone, or make the app harder to use: icons with no labels? (a) makes it harder (b) helps everyone
22. 22.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
23. 23.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
24. 24.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 16 px
    Hint: 10 px
    Label: 19 px
    Body text: 28 px
    Footer: 22 px (a) Body text (b) Label (c) Hint (d) Menu
26. 26.🔍 Which is the odd one out? (a) captions on videos (b) big touch targets (c) strong colour contrast (d) colour as the only clue
27. 27.♿ Accessibility means an app works for ___. (a) only experts (b) only the coder (c) nobody (d) everyone
28. 28.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Menu: 23 px
    Hint: 18 px
    Caption: 16 px
29. 29.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Title: 9 px
    Body text: 16 px (a) Body text (b) Title (c) Menu
30. 30.True or false: “tiny tap areas” makes the app harder to use. (a) True (b) False
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 10 px
    Title: 18 px
    Caption: 24 px
32. 32.♿ A screen has 8 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
33. 33.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 10 px
    Body text: 17 px
    Menu: 25 px
    Title: 18 px (a) Body text (b) Footer (c) Title (d) Menu
35. 35.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Menu: 12 px
    Title: 19 px
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 15 px
    Body text: 16 px
    Title: 15 px
37. 37.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Footer: 23 px
    Hint: 11 px
    Title: 17 px (a) Footer (b) Title (c) Hint
38. 38.🔍 Which is the odd one out? (a) text that can grow (b) fast-flashing lights (c) captions on videos (d) strong colour contrast
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 21 px
    Hint: 10 px
    Label: 18 px
    Footer: 11 px
40. 40.♿ A screen has 5 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?

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