App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 210 · 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.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Body text: 13 px
   Hint: 10 px
   Label: 18 px
   Caption: 13 px
   Footer: 13 px
2. 2.Which of these helps everyone use the app? (a) labels on every icon (b) fast-flashing lights (c) colour as the only clue (d) tiny tap areas
3. 3.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
4. 4.Which of these helps everyone use the app? (a) tiny tap areas (b) fast-flashing lights (c) icons with no labels (d) captions on videos
5. 5.♿ A screen has 8 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
6. 6.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
7. 7.♿ Why add captions to videos? (a) to slow them down (b) to hide the sound (c) to add colour (d) so anyone can follow
8. 8.Which of these makes the app harder to use? (a) strong colour contrast (b) big touch targets (c) icons with no labels (d) labels on every icon
9. 9.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
   Label: 11 px
   Hint: 19 px
   Body text: 13 px
   Menu: 17 px
   Footer: 10 px
10. 10.♿ A screen has 9 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
11. 11.🔍 Which is the odd one out? (a) sudden loud sounds (b) colour as the only clue (c) strong colour contrast (d) fast-flashing lights
12. 12.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) makes it harder (b) helps everyone
13. 13.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) makes it harder (b) helps everyone
14. 14.🔍 Which is the odd one out? (a) tiny tap areas (b) colour as the only clue (c) big touch targets (d) fast-flashing lights
15. 15.♿ Does this help everyone, or make the app harder to use: captions on videos? (a) helps everyone (b) makes it harder
16. 16.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
17. 17.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 10 px
    Label: 14 px
    Menu: 14 px
    Hint: 14 px
18. 18.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
19. 19.🔍 Which is the odd one out? (a) strong colour contrast (b) captions on videos (c) sudden loud sounds (d) labels on every icon
20. 20.♿ A screen has 10 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.True or false: “strong colour contrast” helps everyone use the app. (a) True (b) False
23. 23.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 12 px
    Hint: 21 px
    Body text: 21 px
    Caption: 19 px
24. 24.♿ A screen has 6 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Body text: 24 px
    Menu: 11 px
    Caption: 21 px
    Hint: 17 px
    Footer: 26 px (a) Body text (b) Hint (c) Caption (d) Menu
26. 26.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) icons with no labels (d) labels on every icon
27. 27.True or false: “colour as the only clue” helps everyone use the app. (a) True (b) False
28. 28.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
29. 29.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Body text: 15 px
    Title: 18 px
    Footer: 11 px
    Caption: 22 px
30. 30.Which of these helps everyone use the app? (a) colour as the only clue (b) text that can grow (c) sudden loud sounds (d) icons with no labels
31. 31.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 24 px
    Menu: 22 px
    Footer: 13 px
32. 32.♿ What does a screen reader do? (a) makes text tiny (b) reads the screen aloud (c) plays music (d) takes photos
33. 33.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 24 px
    Title: 22 px
    Body text: 11 px (a) Title (b) Body text (c) Menu
34. 34.♿ Accessibility means an app works for ___. (a) only experts (b) everyone (c) nobody (d) only the coder
35. 35.🔍 Which is the odd one out? (a) fast-flashing lights (b) icons with no labels (c) sudden loud sounds (d) captions on videos
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Label: 14 px
    Hint: 13 px
    Footer: 23 px
37. 37.♿ What should every icon-only button have for screen readers? (a) a text label (b) a bright colour (c) a sound (d) a long animation
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 13 px
    Footer: 14 px
    Body text: 14 px
39. 39.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Hint: 18 px
    Body text: 15 px
    Title: 13 px
40. 40.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder

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