App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 185 · 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?
   Menu: 13 px
   Label: 10 px
   Body text: 23 px
2. 2.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
3. 3.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 12 px
   Footer: 25 px
   Hint: 24 px
   Title: 27 px (a) Footer (b) Title (c) Hint (d) Menu
4. 4.Which of these helps everyone use the app? (a) fast-flashing lights (b) sudden loud sounds (c) text that can grow (d) colour as the only clue
5. 5.♿ What does a screen reader do? (a) plays music (b) reads the screen aloud (c) makes text tiny (d) takes photos
6. 6.♿ A screen has 6 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
7. 7.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Hint: 17 px
   Title: 14 px
   Body text: 24 px (a) Body text (b) Hint (c) Title
8. 8.Which of these helps everyone use the app? (a) captions on videos (b) fast-flashing lights (c) tiny tap areas (d) icons with no labels
9. 9.♿ A screen has 10 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
10. 10.True or false: “sudden loud sounds” helps everyone use the app. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) fast-flashing lights (b) colour as the only clue (c) text that can grow (d) sudden loud sounds
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 13 px
    Label: 16 px
    Title: 20 px
13. 13.🔍 Which is the odd one out? (a) labels on every icon (b) strong colour contrast (c) captions on videos (d) fast-flashing lights
14. 14.♿ A screen has 9 icon buttons. Only 5 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) helps everyone (b) makes it harder
16. 16.🔍 Which is the odd one out? (a) sudden loud sounds (b) icons with no labels (c) strong colour contrast (d) fast-flashing lights
17. 17.♿ A screen has 10 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
18. 18.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 16 px
    Caption: 15 px
    Footer: 15 px
    Body text: 12 px
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Menu: 25 px
    Body text: 21 px
    Hint: 13 px (a) Hint (b) Body text (c) Menu
20. 20.♿ Accessibility means an app works for ___. (a) nobody (b) only the coder (c) everyone (d) only experts
21. 21.♿ Why add captions to videos? (a) to slow them down (b) to add colour (c) so anyone can follow (d) to hide the sound
22. 22.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 25 px
    Caption: 11 px
    Title: 24 px (a) Title (b) Hint (c) Caption
23. 23.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
24. 24.♿ A screen has 10 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. How many texts on this screen are too small?
    Caption: 11 px
    Body text: 16 px
    Hint: 24 px
    Footer: 20 px
    Title: 20 px
26. 26.♿ A screen has 12 icon buttons. Only 1 of them have a text label for screen readers. How many still need a label?
27. 27.Which of these makes the app harder to use? (a) sudden loud sounds (b) labels on every icon (c) text that can grow (d) captions on videos
28. 28.Which of these helps everyone use the app? (a) icons with no labels (b) big touch targets (c) tiny tap areas (d) colour as the only clue
29. 29.🔍 Which is the odd one out? (a) icons with no labels (b) sudden loud sounds (c) colour as the only clue (d) labels on every icon
30. 30.♿ Does this help everyone, or make the app harder to use: fast-flashing lights? (a) helps everyone (b) makes it harder
31. 31.♿ A screen has 12 icon buttons. Only 8 of them have a text label for screen readers. How many still need a label?
32. 32.🔍 Which is the odd one out? (a) colour as the only clue (b) captions on videos (c) sudden loud sounds (d) icons with no labels
33. 33.Which of these helps everyone use the app? (a) colour as the only clue (b) strong colour contrast (c) fast-flashing lights (d) tiny tap areas
34. 34.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Caption: 14 px
    Label: 19 px
    Title: 25 px (a) Label (b) Caption (c) Title
35. 35.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) helps everyone (b) makes it harder
36. 36.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 18 px
    Label: 17 px
    Title: 16 px
    Hint: 13 px
37. 37.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a text label (d) a bright colour
38. 38.🔍 Which is the odd one out? (a) tiny tap areas (b) captions on videos (c) strong colour contrast (d) big touch targets
39. 39.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 14 px
    Title: 22 px
    Body text: 25 px
    Menu: 22 px (a) Body text (b) Title (c) Label (d) Menu
40. 40.🔍 Which is the odd one out? (a) sudden loud sounds (b) tiny tap areas (c) big touch targets (d) fast-flashing lights

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